MadButterfly: src/shape_path.c annotate

annotate src/shape_path.c @ 1232:6d4de488389e

Change setCurrentScene

author	Thinker K.F. Li <thinker@codemud.net>
date	Mon, 10 Jan 2011 11:45:12 +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 @ 1232:6d4de488389e