MadButterfly: src/shape_path.c annotate

annotate src/shape_path.c @ 1280:434f588fcde4

Handle the change of attribute 'start' and 'end'. We do reset here. However, we should be able to optimize it latter to update the scenes directly.

author	wycc
date	Fri, 14 Jan 2011 00:00:11 +0800
parents	9f2b5a1a0d84
children	bae104d8d247

rev	line source
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	1 // -- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; --
586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	2 // vim: sw=4:ts=8:sts=4
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3 #include <stdio.h>
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	4 #include <stdlib.h>
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	5 #include <ctype.h>
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	6 #include <string.h>
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	7 #include <math.h>
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	8 #include "mb_graph_engine.h"
186 530bb7728546 Move header files to $(top_srcdir)/include/ and prefixed with 'mb_'. Thinker K.F. Li <thinker@branda.to> parents: 185 diff changeset	9 #include "mb_types.h"
530bb7728546 Move header files to $(top_srcdir)/include/ and prefixed with 'mb_'. Thinker K.F. Li <thinker@branda.to> parents: 185 diff changeset	10 #include "mb_redraw_man.h"
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	11
8 94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	12 /*! \brief Implement respective objects for SVG path tag.
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	13 *
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	14 * In user_data or dev_data, 0x00 bytes are padding after commands.
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	15 * No commands other than 0x00 can resident after 0x00 itself.
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	16 * It means command processing code can skip commands after a 0x00.
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	17 *
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	18 * Shapes should check if shape_t::geo is assigned. Once transformation
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	19 * matrics are changed, shape objects should update shape_t::geo if
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	20 * it is assigned.
8 94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	21 */
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	22 typedef struct _sh_path {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	23 shape_t shape;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	24 int cmd_len;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	25 int pnt_len;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	26 int float_arg_len;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	27 char *user_data;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	28 char dev_data; / device space data */
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	29
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	30 redraw_man_t rdman; /!< \brief This is used by sh_path_free() */
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	31 } sh_path_t;
10 7cfecdce94cc Remove warning messages Thinker K.F. Li <thinker@branda.to> parents: 9 diff changeset	32 #define RESERVED_AIXS sizeof(co_aix[2])
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	33
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	34 int _sh_path_size = sizeof(sh_path_t);
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	35
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36 #define ASSERT(x)
11 128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	37 #define SKIP_SPACE(x) while((x) && (isspace((x)) \|\| *(x) == ',')) { (x)++; }
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	38 #define SKIP_NUM(x) \
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 while(*(x) && \
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	40 (isdigit(*(x)) \|\| \
112 abb5511c23f7 Accept exponent of float point Thinker K.F. Li <thinker@branda.to> parents: 101 diff changeset	41 *(x) == 'e' \|\| \
abb5511c23f7 Accept exponent of float point Thinker K.F. Li <thinker@branda.to> parents: 101 diff changeset	42 *(x) == 'E' \|\| \
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	43 *(x) == '-' \|\| \
11 128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	44 *(x) == '+' \|\| \
709 920c9e6e4214 Make code clear Thinker K.F. Li <thinker@branda.to> parents: 707 diff changeset	45 *(x) == '.')) { \
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	46 (x)++; \
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	47 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	48 #define OK 0
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	49 #define ERR -1
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	50 #define PI 3.1415926535897931
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	51 #define FRAC_PI ((int)(PI * FRACTION_ONE))
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	52
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	53 #define SWAP(x, y) do { x ^= y; y ^= x; x ^= y; } while(0)
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	54 #define MAX(x, y) (((x) > (y))? (x): (y))
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	55 #define MIN(x, y) (((x) > (y))? (y): (x))
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	56 #define IS_NEGATIVE(x) ((x) < 0)
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	57
235 65cabbdd5284 termporary revision Thinker K.F. Li <thinker@branda.to> parents: 224 diff changeset	58 #ifdef UNITTEST
1062 a8d20bc8ce40 Rename rdman_shape_man() to rdman_man_shape() to mean managing a shape Thinker K.F. Li <thinker@codemud.net> parents: 865 diff changeset	59 #undef rdman_man_shape
a8d20bc8ce40 Rename rdman_shape_man() to rdman_man_shape() to mean managing a shape Thinker K.F. Li <thinker@codemud.net> parents: 865 diff changeset	60 #define rdman_man_shape(x, y)
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	61
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	62 #undef elmpool_elm_alloc
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	63 #define elmpool_elm_alloc(pool) _elmpool_elm_alloc(pool)
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	64 static void *
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	65 _elmpool_elm_alloc(void *dummy) {
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	66 return malloc(sizeof(sh_path_t));
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	67 }
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	68
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	69 #undef elmpool_elm_free
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	70 #define elmpool_elm_free(pool, elm) _elmpool_elm_free(pool, elm)
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	71 static void
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	72 _elmpool_elm_free(void pool, void elm) {
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	73 free(elm);
48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	74 }
235 65cabbdd5284 termporary revision Thinker K.F. Li <thinker@branda.to> parents: 224 diff changeset	75 #endif
65cabbdd5284 termporary revision Thinker K.F. Li <thinker@branda.to> parents: 224 diff changeset	76
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	77 /* ============================================================
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	78 * Implement arc in path.
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	79 */
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	80 #if 1
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	81
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	82 #include <stdint.h>
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	83 #include "precomputed.h"
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	84
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	85 #define ABS(x) (((x) > 0)? (x): -(x))
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	86 #define FRACTION_ONE (1 << FRACTION_SHIFT)
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	87
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	88 /*! \brief Compute the small slope of a vector.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	89 *
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	90 * A small slope is based on absolute value of x-axis and y-axis.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	91 * And use smaller one of absolute values as divisor.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	92 */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	93 static int
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	94 _small_slope(int x, int y) {
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	95 int _x, _y;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	96 int r;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	97
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	98 _x = ABS(x);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	99 _y = ABS(y);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	100 if(_x > _y)
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	101 r = (_y << FRACTION_SHIFT) / _x;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	102 else
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	103 r = (_x << FRACTION_SHIFT) / _y;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	104
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	105 return r;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	106 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	107
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	108 /*! \brief Index a given angle in slope table.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	109 *
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	110 * Binary search.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	111 */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	112 static int
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	113 _find_slope_index(int slope) {
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	114 int left, right, v;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	115
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	116 left = 0;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	117 right = SLOPE_TAB_SZ - 1;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	118 while(left <= right) {
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	119 v = (left + right) / 2;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	120 if(slope < slope_tab[v])
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	121 right = v - 1;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	122 else
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	123 left = v + 1;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	124 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	125
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	126 return v;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	127 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	128
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	129 static int
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	130 _vector_len(int x, int y) {
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	131 int64_t _x, _y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	132 int64_t slope;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	133 int64_t slope_index;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	134 int64_t radius;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	135
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	136 _x = ABS(x);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	137 _y = ABS(y);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	138
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	139 if(_x > _y) {
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	140 slope = (_y << FRACTION_SHIFT) / _x;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	141 slope_index = _find_slope_index(slope);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	142 radius = _x * vector_len_factor_tab[slope_index];
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	143 } else {
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	144 slope = (_x << FRACTION_SHIFT) / _y;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	145 slope_index = _find_slope_index(slope);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	146 radius = _y * vector_len_factor_tab[slope_index];
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	147 }
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	148 radius = radius / FRACTION_ONE;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	149
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	150 return radius;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	151 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	152
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	153 /*! \brief Find index of an arc-to-radius ratio in arc_radius_ratio_tab.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	154 *
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	155 * Binary search.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	156 */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	157 static int
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	158 _find_arc_radius(int arc_radius_ratio) {
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	159 int left, right, v;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	160
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	161 left = 0;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	162 right = ARC_RADIUS_RATIO_TAB_SZ - 1;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	163 while(left <= right) {
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	164 v = (left + right) / 2;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	165 if(arc_radius_ratio < arc_radius_ratio_tab[v])
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	166 right = v - 1;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	167 else
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	168 left = v + 1;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	169 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	170
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	171 return v;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	172 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	173
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	174 /* Compute shift factor for the ratio of arc to radius */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	175 static int
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	176 _get_arc_radius_shift_factor(int arc_x, int arc_y, int radius) {
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	177 int arc_len;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	178 int radius_len;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	179 int arc_radius_ratio;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	180 int arc_radius_index;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	181 int arc_radius_factor;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	182
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	183 arc_len = _vector_len(ABS(arc_x), ABS(arc_y));
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	184 arc_radius_ratio = (arc_len << FRACTION_SHIFT) / radius;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	185 arc_radius_index = _find_arc_radius(arc_radius_ratio);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	186
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	187 arc_radius_factor = arc_radius_factor_tab[arc_radius_index];
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	188
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	189 return arc_radius_factor;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	190 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	191
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	192 /* Return a unit vector in the extend direction.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	193 *
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	194 * This function make a decision on the direction of extend to make
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	195 * radius of rx direction equivlant to ry direction. It extends the
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	196 * direction of short one.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	197 */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	198 static void
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	199 _compute_extend_unit_vector(int rx, int ry, int x_rotate,
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	200 int64_t ext_unit_x, int64_t ext_unit_y) {
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	201 int extend_dir;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	202 int extend_phase;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	203 int extend_index;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	204 int extend_sin, extend_cos;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	205 /* Change sign of x, y values accroding phase of the vector. */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	206 static int sin_cos_signs_tab[4][2] = {
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	207 /* 0 for positive, 1 for negative */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	208 {0, 0}, {1, 0}, {1, 1}, {0, 1}};
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	209 int *signs;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	210
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	211 if(rx > ry)
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	212 extend_dir = x_rotate + (FRAC_PI >> 1);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	213 else
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	214 extend_dir = x_rotate;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	215 extend_dir %= FRAC_PI * 2;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	216 extend_phase = extend_dir / (FRAC_PI >> 1);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	217
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	218 extend_index = (extend_dir % (FRAC_PI >> 1)) * SIN_TAB_SZ /
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	219 (FRAC_PI >> 1);
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	220 if(extend_phase & 0x1) /* half-phases 1,3 */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	221 extend_index = SIN_TAB_SZ - extend_index - 1;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	222
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	223 extend_sin = sin_tab[extend_index];
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	224 extend_cos = sin_tab[SIN_TAB_SZ - extend_index - 1];
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	225
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	226 signs = sin_cos_signs_tab[extend_phase];
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	227 *ext_unit_x = signs[0]? -extend_cos: extend_cos;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	228 *ext_unit_y = signs[1]? -extend_sin: extend_sin;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	229 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	230
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	231 static void
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	232 _get_center_ref_shift(int arc_x, int arc_y, int large, int sweep,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	233 int slope_index,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	234 int64_t shift_cx, int64_t shift_cy) {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	235 int _shift_cx, _shift_cy;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	236 int stat = 0;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	237 /* Change sign of shift-x/y accroding sign of arc_x, arc_y,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	238 * large and sweep.
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	239 */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	240 static int shift_signs_tab[16][2] = {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	241 /* +x,+y -x,+y +x,-y -x,-y */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	242 {1, 1}, {0, 1}, {1, 0}, {0, 0}, /* small, negative-angle */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	243 {0, 0}, {1, 0}, {0, 1}, {1, 1}, /* large, negative-angle */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	244 {0, 0}, {1, 0}, {0, 1}, {1, 1}, /* small, positive-angle */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	245 {1, 1}, {0, 1}, {1, 0}, {0, 0} /* large, positive-angle */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	246 };
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	247
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	248 _shift_cx = center_shift_tab[slope_index][0];
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	249 _shift_cy = center_shift_tab[slope_index][1];
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	250 if(ABS(arc_x) <= ABS(arc_y)) {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	251 SWAP(_shift_cx, _shift_cy);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	252 _shift_cx = -_shift_cx;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	253 _shift_cy = -_shift_cy;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	254 }
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	255
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	256 if(IS_NEGATIVE(arc_x))
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	257 stat \|= 0x1;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	258 if(IS_NEGATIVE(arc_y))
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	259 stat \|= 0x2;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	260 if(large)
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	261 stat \|= 0x4;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	262 if(sweep)
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	263 stat \|= 0x8;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	264 if(shift_signs_tab[stat][0])
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	265 _shift_cx = -_shift_cx;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	266 if(shift_signs_tab[stat][1])
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	267 _shift_cy = -_shift_cy;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	268
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	269 *shift_cx = _shift_cx;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	270 *shift_cy = _shift_cy;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	271 }
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	272
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	273 static int
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	274 _calc_center_i(int x0, int y0,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	275 int x, int y,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	276 int rx, int ry,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	277 int x_rotate,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	278 int large, int sweep,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	279 int cx, int cy) {
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	280 int64_t radius;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	281 int64_t ext_unit_y, ext_unit_x; /* x and y value of unit vector on
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	282 * extend direction */
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	283 int64_t arc_x, arc_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	284 int64_t radius_ref_ratio;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	285 int64_t arc_radius_factor;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	286 int64_t slope, slope_index;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	287 int64_t shift_cx, shift_cy;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	288 int64_t center_shift_factor;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	289 static int negatives[4] = {0, 1, 1, 0};
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	290 int64_t extend_len;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	291 int64_t extend_x, extend_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	292
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	293 ASSERT(rx >= 0 && ry >= 0);
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	294
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	295 arc_x = x - x0;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	296 arc_y = y - y0;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	297
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	298 if(arc_x == 0 && arc_y == 0) {
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	299 *cx = x0;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	300 *cy = y0;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	301 return OK;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	302 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	303
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	304 /* Translate arc to the coordinate that extend rx or ry to the
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	305 * equivlant size as another. It translate the ellipse to a
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	306 * circle.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	307 */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	308 radius = MAX(rx, ry);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	309 _compute_extend_unit_vector(rx, ry, x_rotate, &ext_unit_x, &ext_unit_y);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	310
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	311 extend_len = (arc_x * ext_unit_x + arc_y * ext_unit_y) / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	312 extend_len = extend_len * (MAX(rx, ry) - MIN(rx, ry)) / MIN(rx, ry);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	313 extend_x = ext_unit_x * extend_len / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	314 extend_y = ext_unit_y * extend_len / FRACTION_ONE;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	315
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	316 arc_x += extend_x;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	317 arc_y += extend_y;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	318
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	319 /* Find range index of slope. */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	320 slope = _small_slope(arc_x, arc_y);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	321 slope_index = _find_slope_index(slope);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	322
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	323 /* Compute shift factor for the ratio of arc to radius */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	324 arc_radius_factor = _get_arc_radius_shift_factor(arc_x, arc_y, radius);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	325
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	326 /* Compute ratio of radius to reference radius */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	327 radius_ref_ratio = radius >> REF_RADIUS_SHIFT;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	328
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	329 /* Compute x/y-shift of center range index according
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	330 * slope_index, radius_ref_ratio and arc_radius_factor.
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	331 */
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	332 _get_center_ref_shift(arc_x, arc_y, large, sweep, slope_index,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	333 &shift_cx, &shift_cy);
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	334 center_shift_factor = radius_ref_ratio * arc_radius_factor;
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	335 center_shift_factor = center_shift_factor / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	336 shift_cx = shift_cx * center_shift_factor / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	337 shift_cy = shift_cy * center_shift_factor / FRACTION_ONE;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	338
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	339 shift_cx += arc_x / 2;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	340 shift_cy += arc_y / 2;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	341
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	342 /* translate shift_cx/cy back to original coordinate */
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	343 extend_len = (shift_cx * ext_unit_x + shift_cy * ext_unit_y) /
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	344 FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	345 extend_len = extend_len * (MAX(rx, ry) - MIN(rx, ry)) / MAX(rx, ry);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	346 extend_x = ext_unit_x * extend_len / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	347 extend_y = ext_unit_y * extend_len / FRACTION_ONE;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	348 shift_cx = shift_cx - extend_x;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	349 shift_cy = shift_cy - extend_y;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	350
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	351 /* get center */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	352 *cx = x0 + shift_cx;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	353 *cy = y0 + shift_cy;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	354
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	355 return OK;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	356 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	357
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	358 static int _calc_center(co_aix x0, co_aix y0,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	359 co_aix x, co_aix y,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	360 co_aix rx, co_aix ry,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	361 co_aix x_rotate,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	362 int large, int sweep,
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	363 co_aix cx, co_aix cy) {
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	364 int cx_i, cy_i;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	365 int r;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	366
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	367 r = _calc_center_i(x0 * FRACTION_ONE, y0 * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	368 x * FRACTION_ONE, y * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	369 rx * FRACTION_ONE, ry * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	370 x_rotate * FRACTION_ONE,
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	371 large, sweep, &cx_i, &cy_i);
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	372 *cx = (co_aix)cx_i / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	373 *cy = (co_aix)cy_i / FRACTION_ONE;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	374 return r;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	375 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	376
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	377 #else
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	378 /*! \brief Calculate center of the ellipse of an arc.
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	379 *
269 c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	380 * Origin of our coordination is left-top corner, and y-axis are grown
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	381 * to down-side.
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	382 *
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	383 * Space of the arc is transformed to space that correspondent
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	384 * ellipse containing the arc is mapped into an unit circle.
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	385 * - ux0 = x0 / rx
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	386 * - uy0 = y0 / ry
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	387 * - ux = x / rx
269 c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	388 * - uy = y / ry
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	389 * ux0, uy0, ux, uy are got by transforming (x0, y0) and (x, y) into points
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	390 * on the unit circle. The center of unit circle are (ucx, ucy):
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	391 * - umx = (ux0 + ux) / 2
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	392 * - umy = (uy0 + uy) / 2
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	393 * - udcx = ucx - umx
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	394 * - udcy = ucy - umy
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	395 * - udx = ux - umx
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	396 * - udy = uy - umy
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	397 *
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	398 * - udx * udcx + udy * udcy = 0
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	399 *
269 c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	400 * - udl2 = udx 2 + udy 2
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	401 *
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	402 * For drawing small arc in clockwise
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	403 * - udx * udcy - udy * udcx = sqrt((1 - udl2) * udl2)
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	404 *
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	405 * - udcy = -udcx * udx / udy
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	406 * - -udcx * (udx ** 2) / udy - udy * udcx = sqrt((1 - udl2) * udl2)
1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	407 * - -udcx * ((udx ** 2) / udy + udy) = sqrt((1 - udl2) * udl2)
1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	408 * - udcx = -sqrt((1 - udl2) * udl2) / ((udx ** 2) / udy + udy)
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	409 * or
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	410 * - udcx = -udcy * udy / udx
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	411 * - udx * udcy + udcy * (udy ** 2) / udx = sqrt((1 - udl2) * udl2)
1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	412 * - udcy * (udx + (udy ** 2) / udx) = sqrt((1 - udl2) * udl2)
1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	413 * - udcy = sqrt((1 - udl2) * udl2) / (udx + (udy ** 2) / udx)
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	414 *
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	415 * - cx = rx * ucx
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	416 * - cx = rx * (udcx + umx)
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	417 * - cy = ry * ucy
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	418 * - cy = ry * (udcy + umy)
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	419 */
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	420 static int _calc_center(co_aix x0, co_aix y0,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	421 co_aix x, co_aix y,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	422 co_aix rx, co_aix ry,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	423 co_aix x_rotate,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	424 int large, int sweep,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	425 co_aix cx, co_aix cy) {
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	426 co_aix br_x, br_y, br_x0, br_y0; /* before-rotated x, y, x0, y0 */
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	427 co_aix udx, udy, udx2, udy2;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	428 co_aix umx, umy;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	429 co_aix udcx, udcy;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	430 co_aix br_cx, br_cy;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	431 co_aix udl2;
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	432 co_aix rev_rx2, rev_ry2;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	433 float _sin = -sinf(x_rotate); /* rotate to oposite direction */
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	434 float _cos = cosf(x_rotate);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	435 int reflect;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	436
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	437 #define X_AFTER_ROTATE(x, y, sin, cos) (x * cos - y * sin)
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	438 #define Y_AFTER_ROTATE(x, y, sin, cos) (x * sin + y * cos)
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	439
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	440 /* Restore positions to the value before rotation */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	441 br_x = X_AFTER_ROTATE(x, y, _sin, _cos);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	442 br_y = Y_AFTER_ROTATE(x, y, _sin, _cos);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	443 br_x0 = X_AFTER_ROTATE(x0, y0, _sin, _cos);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	444 br_y0 = Y_AFTER_ROTATE(x0, y0, _sin, _cos);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	445
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	446 /* Resize to be an unit circle */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	447 rev_rx2 = 1.0 / (2 * rx);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	448 rev_ry2 = 1.0 / (2 * ry);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	449 udx = (br_x - br_x0) * rev_rx2; /* ux - umx */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	450 udy = (br_y - br_y0) * rev_ry2; /* uy - umy */
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	451 umx = (br_x + br_x0) * rev_rx2;
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	452 umy = (br_y + br_y0) * rev_ry2;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	453
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	454 udx2 = udx * udx;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	455 udy2 = udy * udy;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	456 udl2 = udx2 + udy2;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	457
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	458 if(udy != 0) {
269 c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	459 /* center is at left-side of arc */
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	460 udcx = -sqrtf((1 - udl2) * udl2) / (udy + udx2 / udy);
1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	461 udcy = -udcx * udx / udy;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	462 } else {
269 c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	463 /* center is at down-side of arc */
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	464 udcx = 0;
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	465 udcy = sqrtf((1 - udl2) * udl2) / udx;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	466 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	467
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	468 reflect = 0;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	469 if(large)
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	470 reflect ^= 1;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	471 if(sweep != 1)
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	472 reflect ^= 1;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	473 if(reflect) {
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	474 udcx = -udcx;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	475 udcy = -udcy;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	476 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	477
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	478 br_cx = rx * (udcx + umx);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	479 br_cy = ry * (udcy + umy);
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	480
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	481 *cx = X_AFTER_ROTATE(br_cx, br_cy, -_sin, _cos);
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	482 *cy = Y_AFTER_ROTATE(br_cx, br_cy, -_sin, _cos);
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	483
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	484 return OK;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	485 }
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	486 #endif
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	487
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	488 static co_aix _angle_rotated_ellipse(co_aix x, co_aix y,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	489 co_aix rx, co_aix ry,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	490 co_aix x_rotate) {
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	491 co_aix nrx, nry;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	492 co_aix _sin, _cos;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	493 co_aix xy_tan;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	494 co_aix angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	495
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	496 _sin = sinf(x_rotate);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	497 _cos = cosf(x_rotate);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	498
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	499 nrx = (x * _cos + y * _sin) / rx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	500 nry = (-x * _sin + y * _cos) / ry;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	501 xy_tan = nry / nrx;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	502
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	503 angle = atan(xy_tan);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	504
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	505 if(nrx < 0)
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	506 angle = PI + angle;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	507
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	508 return angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	509 }
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	510
459 8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	511 static void _rotate(co_aix x, co_aix y, co_aix _sin, co_aix _cos) {
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	512 co_aix nx, ny;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	513
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	514 nx = x _cos - y _sin;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	515 ny = x _sin + y _cos;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	516
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	517 *x = nx;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	518 *y = ny;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	519 }
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	520
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	521 #define TAKE_NUM(r) do { \
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	522 SKIP_SPACE(p); \
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	523 old = p; \
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	524 SKIP_NUM(p); \
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	525 if(p == old) \
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	526 return ERR; \
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	527 r = atof(old); \
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	528 } while(0);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	529
459 8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	530 static int _sh_path_arc_cmd_arg_fill(char cmd, char **cmds_p,
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	531 const char **data_p,
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	532 co_aix **pnts_p,
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	533 co_aix **float_args_p) {
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	534 co_aix rx, ry;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	535 co_aix x_rotate;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	536 int large, sweep;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	537 co_aix x, y, x0, y0, cx, cy;
459 8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	538 co_aix corners[4][2];
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	539 co_aix angle_start, angle_stop;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	540 co_aix pnts = pnts_p;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	541 const char *old;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	542 const char *p;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	543 char *cmds;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	544 co_aix *float_args;
459 8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	545 co_aix _sin, _cos;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	546 int i;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	547
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	548 p = *data_p;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	549 cmds = *cmds_p;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	550 float_args = *float_args_p;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	551 while(*p) {
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	552 SKIP_SPACE(p);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	553 old = p;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	554 SKIP_NUM(p);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	555 if(p == old)
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	556 break;
99 4aa1c9673363 Arc in path pass the test in example svg2code_ex. Thinker K.F. Li <thinker@branda.to> parents: 98 diff changeset	557 rx = atof(old);
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	558
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	559 TAKE_NUM(ry);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	560 TAKE_NUM(x_rotate);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	561 TAKE_NUM(large);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	562 TAKE_NUM(sweep);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	563 TAKE_NUM(x);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	564 TAKE_NUM(y)
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	565
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	566 x0 = *(pnts - 2);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	567 y0 = *(pnts - 1);
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	568
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	569 if(islower(cmd)) {
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	570 x += x0;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	571 y += y0;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	572 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	573
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	574 _calc_center(x0, y0, x, y, rx, ry, x_rotate, large,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	575 sweep, &cx, &cy);
459 8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	576
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	577 /* Compute positions for four corners.
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	578 * These four corners form a bounding box for the arc.
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	579 */
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	580 _sin = sinf(x_rotate);
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	581 _cos = cosf(x_rotate);
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	582 corners[0][0] = -rx;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	583 corners[0][1] = -ry;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	584 corners[1][0] = rx;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	585 corners[1][1] = -ry;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	586 corners[2][0] = rx;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	587 corners[2][1] = ry;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	588 corners[3][0] = -rx;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	589 corners[3][1] = ry;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	590 for(i = 0; i < 4; i++) {
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	591 _rotate(&corners[i][0], &corners[i][1], _sin, _cos);
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	592 *pnts++ = corners[i][0] + cx;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	593 *pnts++ = corners[i][1] + cy;
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	594 }
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	595
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	596 *(pnts++) = x;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	597 *(pnts++) = y;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	598
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	599 angle_start = _angle_rotated_ellipse(x0 - cx, y0 - cy,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	600 rx, ry, x_rotate);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	601 angle_stop = _angle_rotated_ellipse(x - cx, y - cy,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	602 rx, ry, x_rotate);
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	603
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	604 if(sweep && angle_start > angle_stop)
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	605 angle_stop += 2 * PI;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	606 else if((!sweep) && angle_start < angle_stop)
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	607 angle_start += 2 * PI;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	608
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	609 *float_args++ = cx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	610 *float_args++ = cy;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	611 *float_args++ = rx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	612 *float_args++ = ry;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	613 *float_args++ = angle_start;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	614 *float_args++ = angle_stop;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	615 *float_args++ = x_rotate;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	616
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	617 *cmds++ = toupper(cmd);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	618 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	619
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	620 *data_p = p;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	621 *pnts_p = pnts;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	622 *cmds_p = cmds;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	623 *float_args_p = float_args;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	624
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	625 return OK;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	626 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	627
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	628 #define INNER(x1, y1, x2, y2) ((x1) * (x2) + (y1) * (y2))
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	629 #define CROSS(x1, y1, x2, y2) ((x1) * (y2) - (y1) * (x2))
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	630
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	631 static co_aix distance_pow2(co_aix x, co_aix y) {
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	632 return x * x + y * y;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	633 }
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	634
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	635 static co_aix angle_diff(co_aix sx, co_aix sy, co_aix dx, co_aix dy) {
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	636 co_aix inner, cross;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	637 co_aix angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	638 co_aix rd2, rd;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	639
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	640 rd2 = distance_pow2(dx, dy);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	641 rd = sqrtf(rd2);
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	642
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	643 inner = INNER(sx, sy, dx, dy);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	644 cross = CROSS(sx, sy, dx, dy);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	645 angle = acos(inner / rd);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	646 if(cross < 0)
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	647 angle = 2 * PI - angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	648
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	649 return angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	650 }
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	651
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	652 /*! \brief Make path for arcs in a path.
1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	653 */
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	654 void _sh_path_arc_path(mbe_t cr, sh_path_t path, const co_aix **pnts_p,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	655 const co_aix **float_args_p) {
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	656 co_aix cx, cy, x0, y0, x, y;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	657 co_aix rx, ry;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	658 co_aix xyratio;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	659 co_aix angle_start, angle_stop;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	660 co_aix x_rotate;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	661 const co_aix *pnts;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	662 const co_aix *float_args;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	663 co_aix matrix[6];
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	664 co_aix dev_matrix[6];
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	665 co_aix *aggr;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	666 co_aix _sin, _cos;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	667
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	668 pnts = *pnts_p;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	669 float_args = *float_args_p;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	670 x0 = *(pnts - 2);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	671 y0 = *(pnts - 1);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	672 pnts += 8;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	673 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	674 y = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	675
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	676 cx = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	677 cy = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	678 rx = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	679 ry = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	680 angle_start = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	681 angle_stop = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	682 x_rotate = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	683
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	684 _sin = sinf(x_rotate);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	685 _cos = cosf(x_rotate);
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	686
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	687 xyratio = ry / rx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	688 aggr = sh_get_aggr_matrix((shape_t *)path);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	689 matrix[0] = _cos;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	690 matrix[1] = -_sin * xyratio;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	691 matrix[2] = cx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	692 matrix[3] = _sin;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	693 matrix[4] = _cos * xyratio;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	694 matrix[5] = cy;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	695
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	696 matrix_mul(aggr, matrix, dev_matrix);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	697 mbe_save(cr);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	698 mbe_transform(cr, dev_matrix);
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	699 mbe_arc(cr, 0, 0, rx, angle_start, angle_stop);
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	700 mbe_restore(cr);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	701
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	702 *pnts_p = pnts;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	703 *float_args_p = float_args;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	704 }
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	705
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	706 /* ============================================================ */
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	707
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	708 static void sh_path_free(shape_t *shape) {
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	709 sh_path_t path = (sh_path_t )shape;
770 abd9bbf24545 mb_obj_destroy for sh_path_t Thinker K.F. Li <thinker@codemud.net> parents: 711 diff changeset	710
abd9bbf24545 mb_obj_destroy for sh_path_t Thinker K.F. Li <thinker@codemud.net> parents: 711 diff changeset	711 mb_obj_destroy(path);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	712 if(path->user_data)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	713 free(path->user_data);
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	714 elmpool_elm_free(path->rdman->sh_path_pool, path);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	715 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	716
86 7d0580f89468 Fix bug of dealing matrix(). Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	717 /*! \brief Count number of arguments.
7d0580f89468 Fix bug of dealing matrix(). Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	718 *
7d0580f89468 Fix bug of dealing matrix(). Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	719 * \todo Notify programmers that syntax or value error of path data.
7d0580f89468 Fix bug of dealing matrix(). Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	720 */
492 e95598916dfb Make path data constant. Thinker K.F. Li <thinker@branda.to> parents: 460 diff changeset	721 static int sh_path_cmd_arg_cnt(const char data, int cmd_cntp, int *pnt_cntp,
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	722 int *float_arg_cntp) {
492 e95598916dfb Make path data constant. Thinker K.F. Li <thinker@branda.to> parents: 460 diff changeset	723 const char p, old;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	724 int cmd_cnt, pnt_cnt, float_arg_cnt;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	725 int i;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	726
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	727 cmd_cnt = pnt_cnt = float_arg_cnt = 0;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	728 p = data;
11 128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	729 SKIP_SPACE(p);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	730 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	731 switch(*p++) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	732 case 'c':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	733 case 'C':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	734 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	735 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	736 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	737 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	738 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	739 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	740 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	741 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	742
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	743 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	744 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	745 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	746 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	747 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	748 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	749
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	750 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	751 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	752 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	753 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	754 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	755 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	756
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	757 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	758 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	759 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	760 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	761 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	762 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	763 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	764 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	765 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	766 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	767 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	768 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	769
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	770 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	771 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	772 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	773 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	774 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	775 pnt_cnt++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	776
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	777 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	778 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	779 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	780 case 's':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	781 case 'S':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	782 case 'q':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	783 case 'Q':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	784 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	785 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	786 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	787 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	788 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	789 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	790 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	791 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	792
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	793 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	794 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	795 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	796 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	797 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	798 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	799
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	800 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	801 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	802 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	803 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	804 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	805 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	806
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	807 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	808 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	809 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	810 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	811 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	812 pnt_cnt++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	813
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	814 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	815 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	816 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	817 case 'm':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	818 case 'M':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	819 case 'l':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	820 case 'L':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	821 case 't':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	822 case 'T':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	823 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	824 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	825 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	826 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	827 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	828 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	829 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	830 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	831
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	832 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	833 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	834 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	835 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	836 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	837 pnt_cnt++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	838
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	839 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	840 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	841 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	842 case 'h':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	843 case 'H':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	844 case 'v':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	845 case 'V':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	846 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	847 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	848 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	849 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	850 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	851 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	852 pnt_cnt += 2;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	853
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	854 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	855 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	856 break;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	857 case 'A':
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	858 case 'a':
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	859 while(*p) {
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	860 SKIP_SPACE(p);
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	861 old = p;
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	862 SKIP_NUM(p);
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	863 if(p == old)
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	864 break;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	865
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	866 for(i = 0; i < 6; i++) {
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	867 SKIP_SPACE(p);
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	868 old = p;
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	869 SKIP_NUM(p);
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	870 if(p == old)
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	871 return ERR;
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	872 }
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	873
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	874 pnt_cnt += 10;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	875 float_arg_cnt += 7;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	876
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	877 cmd_cnt++;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	878 }
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	879 break;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	880 case 'z':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	881 case 'Z':
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	882 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	883 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	884 default:
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	885 return ERR;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	886 }
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	887 /! \todo cmd_cnt should be increased for each implicit repeating. /
11 128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	888 SKIP_SPACE(p);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	889 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	890
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	891 *cmd_cntp = cmd_cnt;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	892 *pnt_cntp = pnt_cnt;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	893 *float_arg_cntp = float_arg_cnt;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	894 return OK;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	895 }
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	896
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	897 #define TO_ABSX islower(cmd)? x + atof(old): atof(old)
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	898 #define TO_ABSY islower(cmd)? y + atof(old): atof(old)
10 7cfecdce94cc Remove warning messages Thinker K.F. Li <thinker@branda.to> parents: 9 diff changeset	899
492 e95598916dfb Make path data constant. Thinker K.F. Li <thinker@branda.to> parents: 460 diff changeset	900 static int sh_path_cmd_arg_fill(const char data, sh_path_t path) {
e95598916dfb Make path data constant. Thinker K.F. Li <thinker@branda.to> parents: 460 diff changeset	901 const char p, old;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	902 char *cmds;
7 569f3168ba53 Clear background & tranform relative pos into absolute ones Thinker K.F. Li <thinker@branda.to> parents: 6 diff changeset	903 char cmd;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	904 co_aix *pnts;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	905 co_aix *float_args;
711 da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	906 co_aix sx = 0, sy = 0;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	907 co_aix x, y;
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	908 int r;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	909
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	910 cmds = path->user_data;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	911 pnts = (co_aix *)(cmds + path->cmd_len);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	912 float_args = (co_aix *)(cmds + path->cmd_len +
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	913 path->pnt_len * sizeof(co_aix));
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	914 p = data;
11 128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	915 SKIP_SPACE(p);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	916 while(*p) {
7 569f3168ba53 Clear background & tranform relative pos into absolute ones Thinker K.F. Li <thinker@branda.to> parents: 6 diff changeset	917 /* Transform all relative to absolute, */
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	918 x = *(pnts - 2);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	919 y = *(pnts - 1);
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	920
7 569f3168ba53 Clear background & tranform relative pos into absolute ones Thinker K.F. Li <thinker@branda.to> parents: 6 diff changeset	921 switch((cmd = *p++)) {
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	922 case 'c':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	923 case 'C':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	924 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	925 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	926 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	927 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	928 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	929 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	930 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	931 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	932 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	933
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	934 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	935 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	936 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	937 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	938 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	939 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	940 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	941
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	942 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	943 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	944 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	945 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	946 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	947 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	948 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	949
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	950 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	951 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	952 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	953 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	954 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	955 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	956 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	957 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	958 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	959 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	960 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	961 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	962 *pnts = TO_ABSX;
707 594827d0f3e5 Fix issue of relative path data. Thinker K.F. Li <thinker@branda.to> parents: 492 diff changeset	963 x = *pnts;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	964 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	965
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	966 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	967 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	968 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	969 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	970 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	971 *pnts = TO_ABSY;
707 594827d0f3e5 Fix issue of relative path data. Thinker K.F. Li <thinker@branda.to> parents: 492 diff changeset	972 y = *pnts;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	973 pnts++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	974
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	975 *cmds++ = toupper(cmd);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	976 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	977 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	978 case 's':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	979 case 'S':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	980 case 'q':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	981 case 'Q':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	982 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	983 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	984 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	985 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	986 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	987 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	988 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	989 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	990 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	991
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	992 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	993 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	994 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	995 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	996 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	997 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	998 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	999
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1000 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1001 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1002 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1003 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1004 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1005 *pnts = TO_ABSX;
707 594827d0f3e5 Fix issue of relative path data. Thinker K.F. Li <thinker@branda.to> parents: 492 diff changeset	1006 x = *pnts;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1007 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1008
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1009 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1010 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1011 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1012 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1013 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1014 *pnts = TO_ABSY;
707 594827d0f3e5 Fix issue of relative path data. Thinker K.F. Li <thinker@branda.to> parents: 492 diff changeset	1015 y = *pnts;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1016 pnts++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1017
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1018 *cmds++ = toupper(cmd);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1019 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1020 break;
711 da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1021
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1022 case 'm':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1023 case 'M':
711 da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1024 while(*p) {
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1025 old = p;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1026 SKIP_SPACE(p);
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1027 old = p;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1028 SKIP_NUM(p);
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1029 if(p == old)
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1030 break;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1031 *pnts = TO_ABSX;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1032 x = *pnts;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1033 pnts++;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1034
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1035 SKIP_SPACE(p);
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1036 old = p;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1037 SKIP_NUM(p);
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1038 if(p == old)
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1039 return ERR;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1040 *pnts = TO_ABSY;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1041 y = *pnts;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1042 pnts++;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1043
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1044 *cmds++ = toupper(cmd);
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1045
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1046 /* save initial point of a subpath */
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1047 sx = x;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1048 sy = y;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1049 }
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1050 break;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	1051
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1052 case 'l':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1053 case 'L':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1054 case 't':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1055 case 'T':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1056 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1057 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1058 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1059 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1060 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1061 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1062 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1063 *pnts = TO_ABSX;
707 594827d0f3e5 Fix issue of relative path data. Thinker K.F. Li <thinker@branda.to> parents: 492 diff changeset	1064 x = *pnts;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1065 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1066
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1067 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1068 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1069 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1070 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1071 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1072 *pnts = TO_ABSY;
707 594827d0f3e5 Fix issue of relative path data. Thinker K.F. Li <thinker@branda.to> parents: 492 diff changeset	1073 y = *pnts;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1074 pnts++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1075
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1076 *cmds++ = toupper(cmd);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1077 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1078 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1079 case 'h':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1080 case 'H':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1081 case 'v':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1082 case 'V':
58 1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 34 diff changeset	1083 /! \todo implement h, H, v, V comamnds for path. /
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1084 return ERR;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	1085
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	1086 case 'A':
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	1087 case 'a':
459 8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	1088 r = _sh_path_arc_cmd_arg_fill(cmd, &cmds,
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	1089 (const char **)&p, &pnts,
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	1090 &float_args);
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1091 if(r != OK)
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1092 return ERR;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	1093 break;
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	1094
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1095 case 'z':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1096 case 'Z':
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1097 *cmds++ = toupper(cmd);
711 da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1098 /* Go back to initial point of a subpath */
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1099 x = sx;
da794f4fe96c save and restore initial point at m and z commands of path Thinker K.F. Li <thinker@branda.to> parents: 709 diff changeset	1100 y = sy;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1101 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1102 default:
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1103 return ERR;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1104 }
11 128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	1105 SKIP_SPACE(p);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1106 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1107
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1108 return OK;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1109 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1110
9 6eecdd331fe7 Fix bug in testcase Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	1111 /*! \brief Create a path from value of 'data' of SVG path.
6eecdd331fe7 Fix bug in testcase Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	1112 */
492 e95598916dfb Make path data constant. Thinker K.F. Li <thinker@branda.to> parents: 460 diff changeset	1113 shape_t rdman_shape_path_new(redraw_man_t rdman, const char *data) {
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1114 sh_path_t *path;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1115 int cmd_cnt, pnt_cnt, float_arg_cnt;
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	1116 int msz;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1117 int r;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1118
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1119 r = sh_path_cmd_arg_cnt(data, &cmd_cnt, &pnt_cnt,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1120 &float_arg_cnt);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1121 if(r == ERR)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1122 return NULL;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1123
8 94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	1124 /* Align at 4's boundary and keep 2 unused co_aix space
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	1125 * to make logic of transformation from relative to absolute
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	1126 * simple.
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	1127 */
10 7cfecdce94cc Remove warning messages Thinker K.F. Li <thinker@branda.to> parents: 9 diff changeset	1128 cmd_cnt += RESERVED_AIXS;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1129 cmd_cnt = (cmd_cnt + 3) & ~0x3;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1130
149 52f7566777f9 - Thinker K.F. Li <thinker@branda.to> parents: 146 diff changeset	1131 /! \todo Use elmpool to manage sh_path_t objects. /
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1132 path = (sh_path_t *)elmpool_elm_alloc(rdman->sh_path_pool);
146 e96a584487af Use elmpool to manage paint_color_t objects. Thinker K.F. Li <thinker@branda.to> parents: 145 diff changeset	1133 /! \todo Remove this memset()? /
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1134 memset(&path->shape, 0, sizeof(shape_t));
224 29e1b2bffe4c X backend only sent EVT_MOUSE_MOVE_RAW to MadButterfly. Thinker K.F. Li <thinker@branda.to> parents: 202 diff changeset	1135 mb_obj_init(path, MBO_PATH);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1136 path->cmd_len = cmd_cnt;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1137 path->pnt_len = pnt_cnt;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1138 path->float_arg_len = float_arg_cnt;
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	1139
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1140 msz = cmd_cnt + sizeof(co_aix) * pnt_cnt +
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1141 sizeof(co_aix) * float_arg_cnt;
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	1142 path->user_data = (char )malloc(msz 2);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1143 if(path->user_data == NULL) {
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1144 elmpool_elm_free(rdman->sh_path_pool, path);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1145 return NULL;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1146 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1147
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	1148 path->dev_data = path->user_data + msz;
609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	1149
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1150 r = sh_path_cmd_arg_fill(data, path);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1151 if(r == ERR) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1152 free(path->user_data);
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1153 elmpool_elm_free(rdman->sh_path_pool, path);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1154 return NULL;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1155 }
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	1156 memcpy(path->dev_data, path->user_data, msz);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1157
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	1158 path->shape.free = sh_path_free;
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1159 path->rdman = rdman;
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	1160
1062 a8d20bc8ce40 Rename rdman_shape_man() to rdman_man_shape() to mean managing a shape Thinker K.F. Li <thinker@codemud.net> parents: 865 diff changeset	1161 rdman_man_shape(rdman, (shape_t *)path);
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 149 diff changeset	1162
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1163 return (shape_t *)path;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1164 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1165
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1166 shape_t rdman_shape_path_new_from_binary(redraw_man_t rdman,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1167 char *commands,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1168 co_aix *pnts, int pnt_cnt,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1169 co_aix *float_args,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1170 int float_arg_cnt) {
197 bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1171 sh_path_t *path;
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1172 int msz;
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1173 int cmd_cnt = strlen(commands);
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1174
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1175 /! \todo Use elmpool to manage sh_path_t objects. /
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1176 path = (sh_path_t *)elmpool_elm_alloc(rdman->sh_path_pool);
197 bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1177 /! \todo Remove this memset()? /
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1178 memset(&path->shape, 0, sizeof(shape_t));
224 29e1b2bffe4c X backend only sent EVT_MOUSE_MOVE_RAW to MadButterfly. Thinker K.F. Li <thinker@branda.to> parents: 202 diff changeset	1179 mb_obj_init(path, MBO_PATH);
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1180 cmd_cnt = (cmd_cnt + 3) & ~0x3;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1181 path->cmd_len = cmd_cnt;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1182 path->pnt_len = pnt_cnt;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1183 path->float_arg_len = float_arg_cnt;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1184 msz = cmd_cnt + sizeof(co_aix) * pnt_cnt +
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1185 sizeof(co_aix) * float_arg_cnt;
197 bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1186 path->user_data = (char )malloc(msz 2);
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1187 if(path->user_data == NULL) {
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1188 elmpool_elm_free(rdman->sh_path_pool, path);
197 bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1189 return NULL;
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1190 }
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1191
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1192 path->dev_data = path->user_data + msz;
1165 9f2b5a1a0d84 Fix bug of unpredicatible output of tank. Thinker K.F. Li <thinker@codemud.net> parents: 1134 diff changeset	1193 memcpy(path->user_data, commands, strlen(commands) + 1);
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1194 memcpy(path->user_data + cmd_cnt, pnts, sizeof(co_aix) * pnt_cnt);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1195 memcpy(path->user_data + cmd_cnt + pnt_cnt * sizeof(co_aix),
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1196 float_args, sizeof(co_aix) * float_arg_cnt);
197 bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1197 memcpy(path->dev_data, path->user_data, msz);
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	1198
197 bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1199 path->shape.free = sh_path_free;
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1200 path->rdman = rdman;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 770 diff changeset	1201
1062 a8d20bc8ce40 Rename rdman_shape_man() to rdman_man_shape() to mean managing a shape Thinker K.F. Li <thinker@codemud.net> parents: 865 diff changeset	1202 rdman_man_shape(rdman, (shape_t *)path);
197 bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1203
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1204 return (shape_t *)path;
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1205 }
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1206
bcad1ccdf45c Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well. wycc@wycc-desktop parents: 186 diff changeset	1207
9 6eecdd331fe7 Fix bug in testcase Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	1208 /*! \brief Transform a path from user space to device space.
6eecdd331fe7 Fix bug in testcase Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	1209 *
6eecdd331fe7 Fix bug in testcase Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	1210 */
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1211 void sh_path_transform(shape_t *shape) {
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1212 sh_path_t *path;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1213 co_aix pnts, dev_pnts;
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1214 co_aix (*poses)[2];
26 d50f33040de6 Set line width for path. Thinker K.F. Li <thinker@branda.to> parents: 22 diff changeset	1215 area_t *area;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1216 int pnt_len;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1217 int i;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1218
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1219 ASSERT(shape->type == SHT_PATH);
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1220 ASSERT((shape->pnt_len & 0x1) == 0);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1221
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1222 path = (sh_path_t *)shape;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1223 pnts = (co_aix *)(path->user_data + path->cmd_len);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1224 dev_pnts = (co_aix *)(path->dev_data + path->cmd_len);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1225 pnt_len = path->pnt_len;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1226 for(i = 0; i < pnt_len; i += 2) {
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1227 dev_pnts[0] = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1228 dev_pnts[1] = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1229 coord_trans_pos(shape->coord, dev_pnts, dev_pnts + 1);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1230 dev_pnts += 2;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1231 }
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1232
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1233 if(path->shape.geo) {
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1234 poses = (co_aix (*)[2])(path->dev_data + path->cmd_len);
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1235 geo_from_positions(path->shape.geo, pnt_len / 2, poses);
26 d50f33040de6 Set line width for path. Thinker K.F. Li <thinker@branda.to> parents: 22 diff changeset	1236 area = shape->geo->cur_area;
270 cd6af7da32c9 Fix the problem that clean_canvas() can not clean canvas cleanly. Thinker K.F. Li <thinker@branda.to> parents: 269 diff changeset	1237 area->x -= shape->stroke_width / 2 + 0.5;
cd6af7da32c9 Fix the problem that clean_canvas() can not clean canvas cleanly. Thinker K.F. Li <thinker@branda.to> parents: 269 diff changeset	1238 area->y -= shape->stroke_width / 2 + 0.5;
cd6af7da32c9 Fix the problem that clean_canvas() can not clean canvas cleanly. Thinker K.F. Li <thinker@branda.to> parents: 269 diff changeset	1239 area->w += shape->stroke_width + 1;
cd6af7da32c9 Fix the problem that clean_canvas() can not clean canvas cleanly. Thinker K.F. Li <thinker@branda.to> parents: 269 diff changeset	1240 area->h += shape->stroke_width + 1;
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1241 }
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1242 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1243
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	1244 static void sh_path_path(shape_t shape, mbe_t cr) {
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1245 sh_path_t *path;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1246 int cmd_len;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1247 char *cmds, cmd;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1248 const co_aix *pnts;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1249 const co_aix *float_args;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1250 co_aix x, y, x1, y1, x2, y2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1251 int i;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1252
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1253 ASSERT(shape->type == SHT_PATH);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1254
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1255 path = (sh_path_t *)shape;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1256 cmd_len = path->cmd_len;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1257 cmds = path->dev_data;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1258 pnts = (co_aix *)(cmds + cmd_len);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1259 float_args = (co_aix )(cmds + cmd_len + path->pnt_len sizeof(co_aix));
15 c2ce186a5c37 X_main uses rdman_redraw_all() Thinker K.F. Li <thinker@branda.to> parents: 12 diff changeset	1260 x = y = x1 = y1 = x2 = y2 = 0;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1261 for(i = 0; i < cmd_len; i++) {
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1262 /* All path commands and arguments are transformed
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1263 * to absoluted form.
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1264 */
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1265 cmd = *cmds++;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1266 switch(cmd) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1267 case 'M':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1268 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1269 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	1270 mbe_move_to(cr, x, y);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1271 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1272 case 'L':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1273 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1274 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	1275 mbe_line_to(cr, x, y);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1276 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1277 case 'C':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1278 x1 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1279 y1 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1280 x2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1281 y2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1282 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1283 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	1284 mbe_curve_to(cr, x1, y1, x2, y2, x, y);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1285 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1286 case 'S':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1287 x1 = x + x - x2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1288 y1 = y + y - y2;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1289 x2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1290 y2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1291 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1292 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	1293 mbe_curve_to(cr, x1, y1, x2, y2, x, y);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1294 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1295 case 'Q':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1296 x1 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1297 y1 = *pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1298 x2 = x1;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1299 y2 = y1;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1300 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1301 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	1302 mbe_curve_to(cr, x1, y1, x2, y2, x, y);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1303 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1304 case 'T':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1305 x1 = x + x - x2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1306 y1 = y + y - y2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1307 x2 = x1;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1308 y2 = y1;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1309 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1310 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	1311 mbe_curve_to(cr, x1, y1, x2, y2, x, y);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1312 break;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1313 case 'A':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1314 _sh_path_arc_path(cr, path, &pnts, &float_args);
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	1315 break;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1316 case 'Z':
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	1317 mbe_close_path(cr);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1318 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1319 case '\x0':
8 94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	1320 i = cmd_len; /* padding! Skip remain ones. */
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1321 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1322 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1323 }
22 8fcf2d878ecd shapes with stroke Thinker K.F. Li <thinker@branda.to> parents: 20 diff changeset	1324 }
6 772511b8b9be Cairo specify RGB values in range 0.0 ~ 1.0. Thinker K.F. Li <thinker@branda.to> parents: 5 diff changeset	1325
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	1326 void sh_path_draw(shape_t shape, mbe_t cr) {
30 e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over. Thinker K.F. Li <thinker@branda.to> parents: 26 diff changeset	1327 sh_path_path(shape, cr);
e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over. Thinker K.F. Li <thinker@branda.to> parents: 26 diff changeset	1328 }
e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over. Thinker K.F. Li <thinker@branda.to> parents: 26 diff changeset	1329
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1330 #ifdef UNITTEST
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1331
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1332 #include <CUnit/Basic.h>
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1333
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 149 diff changeset	1334 void test_rdman_shape_path_new(void) {
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1335 sh_path_t *path;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1336 co_aix *pnts;
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1337 redraw_man_t rdman;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1338
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1339 path = (sh_path_t *)rdman_shape_path_new(&rdman, "M 33 25l33 55c 33 87 44 22 55 99L33 77z");
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1340 CU_ASSERT(path != NULL);
10 7cfecdce94cc Remove warning messages Thinker K.F. Li <thinker@branda.to> parents: 9 diff changeset	1341 CU_ASSERT(path->cmd_len == ((5 + RESERVED_AIXS + 3) & ~0x3));
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1342 CU_ASSERT(path->pnt_len == 12);
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	1343 CU_ASSERT(strncmp(path->user_data, "MLCLZ", 5) == 0);
609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	1344 CU_ASSERT(strncmp(path->dev_data, "MLCLZ", 5) == 0);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1345
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1346 pnts = (co_aix *)(path->user_data + path->cmd_len);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1347 CU_ASSERT(pnts[0] == 33);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1348 CU_ASSERT(pnts[1] == 25);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1349 CU_ASSERT(pnts[2] == 66);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1350 CU_ASSERT(pnts[3] == 80);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1351 CU_ASSERT(pnts[4] == 99);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1352 CU_ASSERT(pnts[5] == 167);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1353 CU_ASSERT(pnts[6] == 110);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1354 CU_ASSERT(pnts[7] == 102);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1355 CU_ASSERT(pnts[8] == 121);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1356 CU_ASSERT(pnts[9] == 179);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1357 CU_ASSERT(pnts[10] == 33);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1358 CU_ASSERT(pnts[11] == 77);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1359 sh_path_free((shape_t *)path);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1360 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1361
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1362 void test_path_transform(void) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1363 sh_path_t *path;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1364 co_aix *pnts;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1365 coord_t coord;
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1366 geo_t geo;
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1367 redraw_man_t rdman;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1368
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1369 path = (sh_path_t *)rdman_shape_path_new(&rdman, "M 33 25l33 55C 33 87 44 22 55 99L33 77z");
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1370 CU_ASSERT(path != NULL);
10 7cfecdce94cc Remove warning messages Thinker K.F. Li <thinker@branda.to> parents: 9 diff changeset	1371 CU_ASSERT(path->cmd_len == ((5 + RESERVED_AIXS + 3) & ~0x3));
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1372 CU_ASSERT(path->pnt_len == 12);
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	1373 CU_ASSERT(strncmp(path->user_data, "MLCLZ", 5) == 0);
609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	1374 CU_ASSERT(strncmp(path->dev_data, "MLCLZ", 5) == 0);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1375
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	1376 geo_init(&geo);
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1377 path->shape.geo = &geo;
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1378 geo.shape = (shape_t *)path;
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1379
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1380 coord.aggr_matrix[0] = 1;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1381 coord.aggr_matrix[1] = 0;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1382 coord.aggr_matrix[2] = 1;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1383 coord.aggr_matrix[3] = 0;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1384 coord.aggr_matrix[4] = 2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1385 coord.aggr_matrix[5] = 0;
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1386 path->shape.coord = &coord;
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1387 sh_path_transform((shape_t *)path);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1388
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1389 pnts = (co_aix *)(path->dev_data + path->cmd_len);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1390 CU_ASSERT(pnts[0] == 34);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1391 CU_ASSERT(pnts[1] == 50);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1392 CU_ASSERT(pnts[2] == 67);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1393 CU_ASSERT(pnts[3] == 160);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1394 CU_ASSERT(pnts[4] == 34);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1395 CU_ASSERT(pnts[5] == 174);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1396 CU_ASSERT(pnts[6] == 45);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1397 CU_ASSERT(pnts[7] == 44);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1398 CU_ASSERT(pnts[8] == 56);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1399 CU_ASSERT(pnts[9] == 198);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1400 CU_ASSERT(pnts[10] == 34);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1401 CU_ASSERT(pnts[11] == 154);
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1402
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1403 sh_path_free((shape_t *)path);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1404 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1405
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1406 void test_small_slope(void) {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1407 co_aix x, y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1408 co_aix slope;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1409 co_aix r;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1410
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1411 x = 135.3;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1412 y = 149.6;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1413 r = (co_aix)_small_slope(x * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1414 y * FRACTION_ONE) /
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1415 FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1416
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1417 slope = MIN(x, y) / MAX(x, y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1418 CU_ASSERT(((r - slope) / slope) < 0.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1419 ((r - slope) / slope) > -0.01);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1420 }
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1421
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1422 void test_find_slope_index(void) {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1423 co_aix slope;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1424 int idx;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1425 co_aix r;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1426
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1427 slope = 0.754;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1428 idx = _find_slope_index(slope * FRACTION_ONE);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1429 r = (co_aix)slope_tab[idx] / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1430 CU_ASSERT((r / slope) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1431 (r / slope) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1432 }
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1433
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1434 void test_vector_len(void) {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1435 co_aix x, y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1436 co_aix len;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1437 co_aix r;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1438 int rlen;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1439
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1440 x = 397;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1441 y = 449;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1442 len = sqrt(x * x + y * y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1443 rlen = _vector_len(x * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1444 y * FRACTION_ONE);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1445 r = (co_aix)rlen / (1 <<FRACTION_SHIFT);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1446 CU_ASSERT((r / len) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1447 (r / len) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1448
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1449 x = 357;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1450 y = 224;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1451 len = sqrt(x * x + y * y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1452 rlen = _vector_len(x * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1453 y * FRACTION_ONE);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1454 r = (co_aix)rlen / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1455 CU_ASSERT((r / len) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1456 (r / len) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1457 }
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1458
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1459 void test_find_arc_radius(void) {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1460 co_aix ratio;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1461 int idx;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1462 co_aix r;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1463
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1464 ratio = 0.732;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1465 idx = _find_arc_radius(ratio * FRACTION_ONE);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1466 r = (co_aix)arc_radius_ratio_tab[idx] / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1467 CU_ASSERT((r / ratio) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1468 (r / ratio) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1469 }
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1470
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1471 void test_get_arc_radius_shift_factor(void) {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1472 co_aix arc_x, arc_y, radius;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1473 co_aix factor;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1474 int rfactor;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1475 co_aix r;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1476
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1477 arc_x = 30.5;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1478 arc_y = 10.3;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1479 radius = 90.3;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1480 factor = sqrt(radius * radius - (arc_x * arc_x + arc_y * arc_y) / 4) /
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1481 radius;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1482 rfactor = _get_arc_radius_shift_factor(arc_x * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1483 arc_y * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1484 radius * FRACTION_ONE);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1485 r = (co_aix)rfactor / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1486 CU_ASSERT((r / factor) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1487 (r / factor) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1488
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1489 arc_x = 30.5;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1490 arc_y = 70.3;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1491 radius = 190.3;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1492 factor = sqrt(radius * radius - (arc_x * arc_x + arc_y * arc_y) / 4) /
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1493 radius;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1494 rfactor = _get_arc_radius_shift_factor(arc_x * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1495 arc_y * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1496 radius * FRACTION_ONE);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1497 r = (co_aix)rfactor / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1498 CU_ASSERT((r / factor) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1499 (r / factor) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1500 }
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1501
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1502 void test_compute_extend_unit_vector(void) {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1503 co_aix rx, ry;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1504 co_aix x_rotate;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1505 co_aix unit_x, unit_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1506 co_aix runit_x, runit_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1507 int64_t ext_unit_x, ext_unit_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1508
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1509 rx = 200;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1510 ry = 153;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1511 x_rotate = PI * 30 / 180;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1512 unit_x = cos(PI * 90 / 180 + x_rotate);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1513 unit_y = sin(PI * 90 / 180 + x_rotate);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1514 _compute_extend_unit_vector(rx * FRACTION_ONE, ry * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1515 x_rotate * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1516 &ext_unit_x, &ext_unit_y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1517 runit_x = (co_aix)ext_unit_x / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1518 runit_y = (co_aix)ext_unit_y / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1519 CU_ASSERT((runit_x / unit_x) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1520 (runit_x / unit_x) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1521 CU_ASSERT((runit_y / unit_y) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1522 (runit_y / unit_y) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1523
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1524 rx = 200;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1525 ry = 153;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1526 x_rotate = PI * 158 / 180;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1527 unit_x = cos(PI * 90 / 180 + x_rotate);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1528 unit_y = sin(PI * 90 / 180 + x_rotate);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1529 _compute_extend_unit_vector(rx * FRACTION_ONE, ry * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1530 x_rotate * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1531 &ext_unit_x, &ext_unit_y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1532 runit_x = (co_aix)ext_unit_x / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1533 runit_y = (co_aix)ext_unit_y / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1534 CU_ASSERT((runit_x / unit_x) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1535 (runit_x / unit_x) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1536 CU_ASSERT((runit_y / unit_y) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1537 (runit_y / unit_y) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1538
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1539 rx = 100;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1540 ry = 153;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1541 x_rotate = PI * 158 / 180;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1542 unit_x = cos(x_rotate);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1543 unit_y = sin(x_rotate);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1544 _compute_extend_unit_vector(rx * FRACTION_ONE, ry * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1545 x_rotate * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1546 &ext_unit_x, &ext_unit_y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1547 runit_x = (co_aix)ext_unit_x / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1548 runit_y = (co_aix)ext_unit_y / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1549 CU_ASSERT((runit_x / unit_x) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1550 (runit_x / unit_x) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1551 CU_ASSERT((runit_y / unit_y) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1552 (runit_y / unit_y) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1553 }
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1554
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1555 void test_get_center_ref_shift(void) {
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1556 co_aix slope;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1557 int slope_index;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1558 co_aix arc_len;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1559 co_aix arc_x, arc_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1560 int large, sweep;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1561 co_aix shift_x, shift_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1562 co_aix r_x, r_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1563 int64_t rshift_x, rshift_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1564
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1565 arc_x = 311;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1566 arc_y = 210;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1567 large = 0; /* small arc */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1568 sweep = 1; /* positive sweep */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1569 arc_len = sqrt(arc_x * arc_x + arc_y * arc_y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1570 shift_x = arc_y / arc_len * (1 << REF_RADIUS_SHIFT);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1571 shift_y = arc_x / arc_len * (1 << REF_RADIUS_SHIFT);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1572 if((arc_x < 0) ^ (arc_y < 0))
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1573 /* exactly one of arc_x and arc_y is negative */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1574 shift_y = -shift_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1575 else
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1576 shift_x = -shift_x;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1577 slope = MIN(ABS(arc_x), ABS(arc_y)) / MAX(ABS(arc_x), ABS(arc_y));
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1578 slope_index = _find_slope_index(slope * FRACTION_ONE);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1579 _get_center_ref_shift(arc_x * FRACTION_ONE, arc_y * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1580 large, sweep,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1581 slope_index,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1582 &rshift_x, &rshift_y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1583 r_x = (co_aix)rshift_x / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1584 r_y = (co_aix)rshift_y / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1585 CU_ASSERT((r_x / shift_x) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1586 (r_x / shift_x) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1587 CU_ASSERT((r_y / shift_y) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1588 (r_y / shift_y) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1589
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1590 arc_x = 311;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1591 arc_y = 210;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1592 large = 1; /* small arc */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1593 sweep = 1; /* positive sweep */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1594 arc_len = sqrt(arc_x * arc_x + arc_y * arc_y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1595 shift_x = -arc_y / arc_len * (1 << REF_RADIUS_SHIFT);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1596 shift_y = -arc_x / arc_len * (1 << REF_RADIUS_SHIFT);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1597 if((arc_x < 0) ^ (arc_y < 0))
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1598 /* exactly one of arc_x and arc_y is negative */
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1599 shift_y = -shift_y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1600 else
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1601 shift_x = -shift_x;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1602 slope = MIN(ABS(arc_x), ABS(arc_y)) / MAX(ABS(arc_x), ABS(arc_y));
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1603 slope_index = _find_slope_index(slope * FRACTION_ONE);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1604 _get_center_ref_shift(arc_x * FRACTION_ONE, arc_y * FRACTION_ONE,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1605 large, sweep,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1606 slope_index,
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1607 &rshift_x, &rshift_y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1608 r_x = (co_aix)rshift_x / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1609 r_y = (co_aix)rshift_y / FRACTION_ONE;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1610 CU_ASSERT((r_x / shift_x) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1611 (r_x / shift_x) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1612 CU_ASSERT((r_y / shift_y) < 1.01 &&
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1613 (r_y / shift_y) > 0.99);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1614 }
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1615
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	1616 void test_calc_center(void) {
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1617 co_aix x0, y0, x, y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1618 co_aix rx, ry, x_rotate;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1619 int large, sweep;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1620 co_aix cx, cy;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1621 co_aix angle_start, angle_stop;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1622 co_aix rcx, rcy;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1623 co_aix _x, _y;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1624
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1625 #define ELLIPSE_POINT(angle, point_x, point_y) \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1626 do { \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1627 _x = rx * cos(angle); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1628 _y = ry * sin(angle); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1629 point_x = _x * cos(x_rotate) - _y * sin(x_rotate) + cx; \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1630 point_y = _x * sin(x_rotate) + _y * cos(x_rotate) + cy; \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1631 } while(0)
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1632 #define CENTER_TEST() \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1633 do { \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1634 _calc_center(x0, y0, x, y, rx, ry, x_rotate, \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1635 0, 1, &rcx, &rcy); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1636 CU_ASSERT((cx - rcx) <= 2 && (cx - rcx) >= -2); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1637 CU_ASSERT((cy - rcy) <= 2 && (cy - rcy) >= -2); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1638 _calc_center(x0, y0, x, y, rx, ry, x_rotate, \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1639 1, 0, &rcx, &rcy); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1640 CU_ASSERT((cx - rcx) <= 2 && (cx - rcx) >= -2); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1641 CU_ASSERT((cy - rcy) <= 2 && (cy - rcy) >= -2); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1642 _calc_center(x, y, x0, y0, rx, ry, x_rotate, \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1643 0, 0, &rcx, &rcy); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1644 CU_ASSERT((cx - rcx) <= 2 && (cx - rcx) >= -2); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1645 CU_ASSERT((cy - rcy) <= 2 && (cy - rcy) >= -2); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1646 _calc_center(x, y, x0, y0, rx, ry, x_rotate, \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1647 1, 1, &rcx, &rcy); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1648 CU_ASSERT((cx - rcx) <= 2 && (cx - rcx) >= -2); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1649 CU_ASSERT((cy - rcy) <= 2 && (cy - rcy) >= -2); \
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1650 } while(0)
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1651
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1652 cx = 135;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1653 cy = 254;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1654 rx = 200;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1655 ry = 170;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1656 x_rotate = PI * 20 / 180;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1657 angle_start = PI * 55 / 180;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1658 angle_stop = PI * 97 / 180;
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1659
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1660 ELLIPSE_POINT(angle_start, x0, y0);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1661 ELLIPSE_POINT(angle_stop, x, y);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1662 CENTER_TEST();
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	1663 }
eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	1664
11 128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	1665 void test_spaces_head_tail(void) {
128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	1666 sh_path_t *path;
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1667 redraw_man_t rdman;
11 128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	1668
128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	1669 path = (sh_path_t *)
865 48df0f97f09e Allocate sh_path_t objects from an elmpool Thinker K.F. Li <thinker@codemud.net> parents: 822 diff changeset	1670 rdman_shape_path_new(&rdman,
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 149 diff changeset	1671 " M 33 25l33 55C 33 87 44 22 55 99L33 77z ");
11 128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	1672 CU_ASSERT(path != NULL);
128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	1673 sh_path_free((shape_t *)path);
128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	1674 }
128af06c876c Fix the bug that data of a path end with white spaces would make system down Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	1675
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1676 CU_pSuite get_shape_path_suite(void) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1677 CU_pSuite suite;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1678
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1679 suite = CU_add_suite("Suite_shape_path", NULL, NULL);
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 149 diff changeset	1680 CU_ADD_TEST(suite, test_rdman_shape_path_new);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1681 CU_ADD_TEST(suite, test_path_transform);
1134 bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1682 CU_ADD_TEST(suite, test_small_slope);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1683 CU_ADD_TEST(suite, test_find_slope_index);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1684 CU_ADD_TEST(suite, test_vector_len);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1685 CU_ADD_TEST(suite, test_find_arc_radius);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1686 CU_ADD_TEST(suite, test_get_arc_radius_shift_factor);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1687 CU_ADD_TEST(suite, test_compute_extend_unit_vector);
bd0cfb8666b8 Pass testcases for _calc_center() of shape_path.c. Thinker K.F. Li <thinker@codemud.net> parents: 1129 diff changeset	1688 CU_ADD_TEST(suite, test_get_center_ref_shift);
1129 eca737d33a18 Improve performance of function to compute center of an arc. Thinker K.F. Li <thinker@codemud.net> parents: 1062 diff changeset	1689 CU_ADD_TEST(suite, test_calc_center);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1690
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1691 return suite;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1692 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1693
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1694 #endif /* UNITTEST */

Mercurial > MadButterfly

annotate src/shape_path.c @ 1280:434f588fcde4