MadButterfly: src/shape_path.c annotate

annotate src/shape_path.c @ 702:78a01b0d3fc9

Rename README to README.svg

author	Thinker K.F. Li <thinker@branda.to>
date	Wed, 11 Aug 2010 20:27:08 +0800
parents	e95598916dfb
children	594827d0f3e5

rev	line source
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1 #include <stdio.h>
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	2 #include <stdlib.h>
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3 #include <ctype.h>
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	4 #include <string.h>
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	5 #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	6 #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	7 #include "mb_redraw_man.h"
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	8
8 94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	9 /*! \brief Implement respective objects for SVG path tag.
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	10 *
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	11 * In user_data or dev_data, 0x00 bytes are padding after commands.
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	12 * No commands other than 0x00 can resident after 0x00 itself.
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	13 * 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	14 *
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	15 * 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	16 * 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	17 * it is assigned.
8 94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	18 */
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	19 typedef struct _sh_path {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	20 shape_t shape;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	21 int cmd_len;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	22 int pnt_len;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	23 int float_arg_len;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	24 char *user_data;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	25 char dev_data; / device space data */
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	26 } sh_path_t;
10 7cfecdce94cc Remove warning messages Thinker K.F. Li <thinker@branda.to> parents: 9 diff changeset	27 #define RESERVED_AIXS sizeof(co_aix[2])
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	28
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	29 #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	30 #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	31 #define SKIP_NUM(x) \
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	32 while(*(x) && \
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	33 (isdigit(*(x)) \|\| \
112 abb5511c23f7 Accept exponent of float point Thinker K.F. Li <thinker@branda.to> parents: 101 diff changeset	34 *(x) == 'e' \|\| \
abb5511c23f7 Accept exponent of float point Thinker K.F. Li <thinker@branda.to> parents: 101 diff changeset	35 *(x) == 'E' \|\| \
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36 *(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 *(x) == '+' \|\| \
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	38 *(x) == '.')) { \
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 (x)++; \
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	40 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	41 #define OK 0
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	42 #define ERR -1
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	43 #define PI 3.1415926535897931
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	44
235 65cabbdd5284 termporary revision Thinker K.F. Li <thinker@branda.to> parents: 224 diff changeset	45 #ifdef UNITTEST
65cabbdd5284 termporary revision Thinker K.F. Li <thinker@branda.to> parents: 224 diff changeset	46 #undef rdman_shape_man
65cabbdd5284 termporary revision Thinker K.F. Li <thinker@branda.to> parents: 224 diff changeset	47 #define rdman_shape_man(x, y)
65cabbdd5284 termporary revision Thinker K.F. Li <thinker@branda.to> parents: 224 diff changeset	48 #endif
65cabbdd5284 termporary revision Thinker K.F. Li <thinker@branda.to> parents: 224 diff changeset	49
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	50 /* ============================================================
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	51 * 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	52 */
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	53 #include <math.h>
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	54 /*! \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	55 *
269 c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	56 * 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	57 * to down-side.
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	58 *
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	59 * 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	60 * 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	61 * - 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	62 * - 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	63 * - 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	64 * - uy = y / ry
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	65 * 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	66 * 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	67 * - 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	68 * - 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	69 * - 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	70 * - 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	71 * - 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	72 * - 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	73 *
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	74 * - 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	75 *
269 c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	76 * - 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	77 *
c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	78 * 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	79 * - 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	80 *
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	81 * - 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	82 * - -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	83 * - -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	84 * - 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	85 * or
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	86 * - 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	87 * - 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	88 * - 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	89 * - 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	90 *
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	91 * - 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	92 * - 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	93 * - 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	94 * - 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	95 */
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	96 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	97 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	98 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	99 co_aix x_rotate,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	100 int large, int sweep,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	101 co_aix cx, co_aix cy) {
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	102 co_aix nrx, nry, nrx0, nry0;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	103 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	104 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	105 co_aix udcx, udcy;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	106 co_aix nrcx, nrcy;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	107 co_aix udl2;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	108 float _sin = sinf(x_rotate);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	109 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	110 int reflect;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	111
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	112 /* Compute center of the ellipse */
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	113 nrx = x * _cos + y * _sin;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	114 nry = x * -_sin + y * _cos;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	115 nrx0 = x0 * _cos + y0 * _sin;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	116 nry0 = x0 * -_sin + y0 * _cos;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	117
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	118 udx = (nrx - nrx0) / 2 / rx; /* ux - umx */
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	119 udy = (nry - nry0) / 2 / ry; /* uy - umy */
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	120 umx = (nrx + nrx0) / 2 / rx;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	121 umy = (nry + nry0) / 2 / ry;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	122
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	123 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	124 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	125 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	126
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	127 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	128 /* 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	129 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	130 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	131 } else {
269 c96f38ad4bb6 Fix mis-behavior of translate_path_data() on arc. Thinker K.F. Li <thinker@branda.to> parents: 235 diff changeset	132 /* 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	133 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	134 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	135 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	136
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	137 reflect = 0;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	138 if(large)
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	139 reflect ^= 1;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	140 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	141 reflect ^= 1;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	142 if(reflect) {
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	143 udcx = -udcx;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	144 udcy = -udcy;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	145 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	146
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	147 nrcx = 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	148 nrcy = 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	149
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	150 cx = nrcx _cos - nrcy * _sin;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	151 cy = nrcx _sin + nrcy * _cos;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	152
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	153 return OK;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	154 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	155
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	156
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	157 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	158 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	159 co_aix x_rotate) {
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	160 co_aix nrx, nry;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	161 co_aix _sin, _cos;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	162 co_aix xy_tan;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	163 co_aix angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	164
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	165 _sin = sinf(x_rotate);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	166 _cos = cosf(x_rotate);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	167
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	168 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	169 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	170 xy_tan = nry / nrx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	171
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	172 angle = atan(xy_tan);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	173
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	174 if(nrx < 0)
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	175 angle = PI + angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	176
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	177 return angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	178 }
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	179
459 8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	180 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	181 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	182
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	183 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	184 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	185
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	186 *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	187 *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	188 }
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	189
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	190 #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	191 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	192 old = p; \
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	193 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	194 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	195 return ERR; \
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	196 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	197 } while(0);
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	198
459 8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	199 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	200 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	201 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	202 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	203 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	204 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	205 int large, sweep;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	206 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	207 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	208 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	209 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	210 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	211 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	212 char *cmds;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	213 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	214 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	215 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	216
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	217 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	218 cmds = *cmds_p;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	219 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	220 while(*p) {
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	221 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	222 old = p;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	223 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	224 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	225 break;
99 4aa1c9673363 Arc in path pass the test in example svg2code_ex. Thinker K.F. Li <thinker@branda.to> parents: 98 diff changeset	226 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	227
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	228 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	229 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	230 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	231 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	232 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	233 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	234
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	235 x0 = *(pnts - 2);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	236 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	237
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	238 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	239 x += x0;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	240 y += y0;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	241 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	242
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	243 _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	244 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	245
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	246 /* 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	247 * 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	248 */
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	249 _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	250 _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	251 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	252 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	253 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	254 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	255 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	256 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	257 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	258 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	259 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	260 _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	261 *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	262 *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	263 }
8b155b77fa14 Count positions an arc being for bounding box of the path. Thinker K.F. Li <thinker@branda.to> parents: 458 diff changeset	264
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	265 *(pnts++) = x;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	266 *(pnts++) = y;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	267
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	268 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	269 rx, ry, x_rotate);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	270 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	271 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	272
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	273 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	274 angle_stop += 2 * PI;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	275 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	276 angle_start += 2 * PI;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	277
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	278 *float_args++ = cx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	279 *float_args++ = cy;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	280 *float_args++ = rx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	281 *float_args++ = ry;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	282 *float_args++ = angle_start;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	283 *float_args++ = angle_stop;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	284 *float_args++ = x_rotate;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	285
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	286 *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	287 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	288
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	289 *data_p = p;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	290 *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	291 *cmds_p = cmds;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	292 *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	293
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	294 return OK;
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	295 }
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	296
688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	297 #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	298 #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	299
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	300 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	301 return x * x + y * y;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	302 }
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	303
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	304 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	305 co_aix inner, cross;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	306 co_aix angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	307 co_aix rd2, rd;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	308
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	309 rd2 = distance_pow2(dx, dy);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	310 rd = sqrtf(rd2);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	311
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	312 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	313 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	314 angle = acos(inner / rd);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	315 if(cross < 0)
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	316 angle = 2 * PI - angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	317
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	318 return angle;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	319 }
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	320
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	321 /*! \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	322 */
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	323 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	324 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	325 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	326 co_aix rx, ry;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	327 co_aix xyratio;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	328 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	329 co_aix x_rotate;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	330 const co_aix *pnts;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	331 const co_aix *float_args;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	332 co_aix matrix[6];
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	333 co_aix dev_matrix[6];
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	334 co_aix *aggr;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	335 co_aix _sin, _cos;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	336
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	337 pnts = *pnts_p;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	338 float_args = *float_args_p;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	339 x0 = *(pnts - 2);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	340 y0 = *(pnts - 1);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	341 pnts += 8;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	342 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	343 y = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	344
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	345 cx = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	346 cy = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	347 rx = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	348 ry = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	349 angle_start = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	350 angle_stop = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	351 x_rotate = *float_args++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	352
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	353 _sin = sinf(x_rotate);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	354 _cos = cosf(x_rotate);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	355
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	356 xyratio = ry / rx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	357 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	358 matrix[0] = _cos;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	359 matrix[1] = -_sin * xyratio;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	360 matrix[2] = cx;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	361 matrix[3] = _sin;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	362 matrix[4] = _cos * xyratio;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	363 matrix[5] = cy;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	364
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	365 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	366 mbe_save(cr);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	367 mbe_transform(cr, dev_matrix);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	368 mbe_arc(cr, 0, 0, rx, angle_start, angle_stop);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	369 mbe_restore(cr);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	370
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	371 *pnts_p = pnts;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	372 *float_args_p = float_args;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	373 }
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	374
98 688f76b8e71c Implement arc for path, but it is still under testing Thinker K.F. Li <thinker@branda.to> parents: 97 diff changeset	375 /* ============================================================ */
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	376
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	377 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	378 sh_path_t path = (sh_path_t )shape;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	379 if(path->user_data)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	380 free(path->user_data);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	381 free(path);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	382 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	383
86 7d0580f89468 Fix bug of dealing matrix(). Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	384 /*! \brief Count number of arguments.
7d0580f89468 Fix bug of dealing matrix(). Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	385 *
7d0580f89468 Fix bug of dealing matrix(). Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	386 * \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	387 */
492 e95598916dfb Make path data constant. Thinker K.F. Li <thinker@branda.to> parents: 460 diff changeset	388 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	389 int *float_arg_cntp) {
492 e95598916dfb Make path data constant. Thinker K.F. Li <thinker@branda.to> parents: 460 diff changeset	390 const char p, old;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	391 int cmd_cnt, pnt_cnt, float_arg_cnt;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	392 int i;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	393
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	394 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	395 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	396 SKIP_SPACE(p);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	397 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	398 switch(*p++) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	399 case 'c':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	400 case 'C':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	401 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	402 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	403 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	404 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	405 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	406 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	407 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	408 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	409
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	410 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	411 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	412 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	413 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	414 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	415 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	416
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	417 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	418 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	419 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	420 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	421 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	422 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	423
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	424 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	425 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	426 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	427 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	428 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	429 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	430 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	431 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	432 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	433 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	434 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	435 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	436
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	437 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	438 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	439 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	440 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	441 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	442 pnt_cnt++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	443
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	444 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	445 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	446 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	447 case 's':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	448 case 'S':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	449 case 'q':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	450 case 'Q':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	451 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	452 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	453 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	454 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	455 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	456 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	457 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	458 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	459
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	460 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	461 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	462 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	463 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	464 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	465 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	466
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	467 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	468 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	469 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	470 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	471 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	472 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	473
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	474 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	475 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	476 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	477 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	478 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	479 pnt_cnt++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	480
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	481 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	482 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	483 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	484 case 'm':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	485 case 'M':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	486 case 'l':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	487 case 'L':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	488 case 't':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	489 case 'T':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	490 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	491 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	492 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	493 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	494 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	495 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	496 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	497 pnt_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	498
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	499 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	500 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	501 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	502 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	503 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	504 pnt_cnt++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	505
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	506 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	507 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	508 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	509 case 'h':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	510 case 'H':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	511 case 'v':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	512 case 'V':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	513 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	514 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	515 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	516 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	517 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	518 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	519 pnt_cnt += 2;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	520
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	521 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	522 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	523 break;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	524 case 'A':
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	525 case 'a':
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	526 while(*p) {
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	527 SKIP_SPACE(p);
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	528 old = p;
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	529 SKIP_NUM(p);
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	530 if(p == old)
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	531 break;
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	532
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	533 for(i = 0; i < 6; i++) {
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	534 SKIP_SPACE(p);
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	535 old = p;
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	536 SKIP_NUM(p);
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	537 if(p == old)
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	538 return ERR;
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	539 }
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	540
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	541 pnt_cnt += 10;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	542 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	543
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	544 cmd_cnt++;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	545 }
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	546 break;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	547 case 'z':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	548 case 'Z':
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	549 cmd_cnt++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	550 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	551 default:
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	552 return ERR;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	553 }
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	554 /! \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	555 SKIP_SPACE(p);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	556 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	557
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	558 *cmd_cntp = cmd_cnt;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	559 *pnt_cntp = pnt_cnt;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	560 *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	561 return OK;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	562 }
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	563
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	564 #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	565 #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	566
492 e95598916dfb Make path data constant. Thinker K.F. Li <thinker@branda.to> parents: 460 diff changeset	567 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	568 const char p, old;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	569 char *cmds;
7 569f3168ba53 Clear background & tranform relative pos into absolute ones Thinker K.F. Li <thinker@branda.to> parents: 6 diff changeset	570 char cmd;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	571 co_aix *pnts;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	572 co_aix *float_args;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	573 co_aix x, y;
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	574 int r;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	575
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	576 cmds = path->user_data;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	577 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	578 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	579 path->pnt_len * sizeof(co_aix));
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	580 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	581 SKIP_SPACE(p);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	582 while(*p) {
7 569f3168ba53 Clear background & tranform relative pos into absolute ones Thinker K.F. Li <thinker@branda.to> parents: 6 diff changeset	583 /* 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	584 x = *(pnts - 2);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	585 y = *(pnts - 1);
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	586
7 569f3168ba53 Clear background & tranform relative pos into absolute ones Thinker K.F. Li <thinker@branda.to> parents: 6 diff changeset	587 switch((cmd = *p++)) {
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	588 case 'c':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	589 case 'C':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	590 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	591 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	592 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	593 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	594 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	595 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	596 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	597 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	598 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	599
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	600 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	601 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	602 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	603 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	604 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	605 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	606 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	607
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	608 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	609 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	610 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	611 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	612 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	613 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	614 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	615
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	616 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	617 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	618 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	619 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	620 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	621 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	622 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	623 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	624 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	625 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	626 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	627 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	628 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	629 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	630
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	631 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	632 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	633 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	634 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	635 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	636 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	637 pnts++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	638
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	639 *cmds++ = toupper(cmd);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	640 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	641 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	642 case 's':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	643 case 'S':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	644 case 'q':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	645 case 'Q':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	646 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	647 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	648 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	649 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	650 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	651 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	652 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	653 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	654 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	655
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	656 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	657 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	658 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	659 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	660 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	661 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	662 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	663
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	664 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	665 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	666 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	667 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	668 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	669 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	670 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	671
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	672 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	673 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	674 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	675 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	676 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	677 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	678 pnts++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	679
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	680 *cmds++ = toupper(cmd);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	681 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	682 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	683 case 'm':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	684 case 'M':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	685 case 'l':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	686 case 'L':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	687 case 't':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	688 case 'T':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	689 while(*p) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	690 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	691 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	692 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	693 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	694 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	695 break;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	696 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	697 pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	698
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	699 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	700 old = p;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	701 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	702 if(p == old)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	703 return ERR;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	704 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	705 pnts++;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	706
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	707 *cmds++ = toupper(cmd);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	708 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	709 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	710 case 'h':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	711 case 'H':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	712 case 'v':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	713 case 'V':
58 1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 34 diff changeset	714 /! \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	715 return ERR;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	716
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	717 case 'A':
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	718 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	719 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	720 (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	721 &float_args);
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	722 if(r != OK)
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	723 return ERR;
96 ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	724 break;
ca94493b75bb - Thinker K.F. Li <thinker@branda.to> parents: 86 diff changeset	725
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	726 case 'z':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	727 case 'Z':
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	728 *cmds++ = toupper(cmd);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	729 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	730 default:
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	731 return ERR;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	732 }
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	733 SKIP_SPACE(p);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	734 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	735
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	736 return OK;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	737 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	738
9 6eecdd331fe7 Fix bug in testcase Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	739 /*! \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	740 */
492 e95598916dfb Make path data constant. Thinker K.F. Li <thinker@branda.to> parents: 460 diff changeset	741 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	742 sh_path_t *path;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	743 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	744 int msz;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	745 int r;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	746
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	747 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	748 &float_arg_cnt);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	749 if(r == ERR)
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	750 return NULL;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	751
8 94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	752 /* Align at 4's boundary and keep 2 unused co_aix space
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	753 * to make logic of transformation from relative to absolute
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	754 * simple.
94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	755 */
10 7cfecdce94cc Remove warning messages Thinker K.F. Li <thinker@branda.to> parents: 9 diff changeset	756 cmd_cnt += RESERVED_AIXS;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	757 cmd_cnt = (cmd_cnt + 3) & ~0x3;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	758
149 52f7566777f9 - Thinker K.F. Li <thinker@branda.to> parents: 146 diff changeset	759 /! \todo Use elmpool to manage sh_path_t objects. /
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	760 path = (sh_path_t *)malloc(sizeof(sh_path_t));
146 e96a584487af Use elmpool to manage paint_color_t objects. Thinker K.F. Li <thinker@branda.to> parents: 145 diff changeset	761 /! \todo Remove this memset()? /
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	762 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	763 mb_obj_init(path, MBO_PATH);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	764 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	765 path->pnt_len = pnt_cnt;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	766 path->float_arg_len = float_arg_cnt;
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	767
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	768 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	769 sizeof(co_aix) * float_arg_cnt;
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	770 path->user_data = (char )malloc(msz 2);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	771 if(path->user_data == NULL) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	772 free(path);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	773 return NULL;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	774 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	775
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	776 path->dev_data = path->user_data + msz;
609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	777
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	778 r = sh_path_cmd_arg_fill(data, path);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	779 if(r == ERR) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	780 free(path->user_data);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	781 free(path);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	782 return NULL;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	783 }
100 1a1dda98730c Fix the bug of order of cross & inner product of vectors Thinker K.F. Li <thinker@branda.to> parents: 99 diff changeset	784 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	785
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	786 path->shape.free = sh_path_free;
9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	787
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	788 rdman_shape_man(rdman, (shape_t *)path);
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 149 diff changeset	789
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	790 return (shape_t *)path;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	791 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	792
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	793 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	794 char *commands,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	795 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	796 co_aix *float_args,
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	797 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	798 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	799 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	800 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	801
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	802 /! \todo Use elmpool to manage sh_path_t objects. /
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	803 path = (sh_path_t *)malloc(sizeof(sh_path_t));
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	804 /! \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	805 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	806 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	807 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	808 path->cmd_len = cmd_cnt;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	809 path->pnt_len = pnt_cnt;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	810 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	811 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	812 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	813 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	814 if(path->user_data == 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	815 free(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	816 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	817 }
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	818
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	819 path->dev_data = path->user_data + msz;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	820 memcpy(path->user_data, commands, strlen(commands));
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	821 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	822 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	823 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	824 memcpy(path->dev_data, path->user_data, msz);
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	825
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	826 path->shape.free = sh_path_free;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	827
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	828 rdman_shape_man(rdman, (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	829
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	830 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	831 }
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	832
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	833
9 6eecdd331fe7 Fix bug in testcase Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	834 /*! \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	835 *
6eecdd331fe7 Fix bug in testcase Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	836 */
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	837 void sh_path_transform(shape_t *shape) {
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	838 sh_path_t *path;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	839 co_aix pnts, dev_pnts;
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	840 co_aix (*poses)[2];
26 d50f33040de6 Set line width for path. Thinker K.F. Li <thinker@branda.to> parents: 22 diff changeset	841 area_t *area;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	842 int pnt_len;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	843 int i;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	844
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	845 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	846 ASSERT((shape->pnt_len & 0x1) == 0);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	847
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	848 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	849 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	850 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	851 pnt_len = path->pnt_len;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	852 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	853 dev_pnts[0] = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	854 dev_pnts[1] = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	855 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	856 dev_pnts += 2;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	857 }
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	858
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	859 if(path->shape.geo) {
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	860 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	861 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	862 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	863 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	864 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	865 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	866 area->h += shape->stroke_width + 1;
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	867 }
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	868 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	869
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	870 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	871 sh_path_t *path;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	872 int cmd_len;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	873 char *cmds, cmd;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	874 const co_aix *pnts;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	875 const co_aix *float_args;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	876 co_aix x, y, x1, y1, x2, y2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	877 int i;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	878
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	879 ASSERT(shape->type == SHT_PATH);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	880
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	881 path = (sh_path_t *)shape;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	882 cmd_len = path->cmd_len;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	883 cmds = path->dev_data;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	884 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	885 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	886 x = y = x1 = y1 = x2 = y2 = 0;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	887 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	888 /* 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	889 * to absoluted form.
9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	890 */
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	891 cmd = *cmds++;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	892 switch(cmd) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	893 case 'M':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	894 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	895 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	896 mbe_move_to(cr, x, y);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	897 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	898 case 'L':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	899 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	900 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	901 mbe_line_to(cr, x, y);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	902 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	903 case 'C':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	904 x1 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	905 y1 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	906 x2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	907 y2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	908 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	909 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	910 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	911 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	912 case 'S':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	913 x1 = x + x - x2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	914 y1 = y + y - y2;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	915 x2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	916 y2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	917 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	918 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	919 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	920 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	921 case 'Q':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	922 x1 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	923 y1 = *pnts++;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	924 x2 = x1;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	925 y2 = y1;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	926 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	927 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	928 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	929 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	930 case 'T':
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	931 x1 = x + x - x2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	932 y1 = y + y - y2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	933 x2 = x1;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	934 y2 = y1;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	935 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	936 y = *pnts++;
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	937 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	938 break;
97 9453e68092b5 Fix bug of translation relative to absolute points Thinker K.F. Li <thinker@branda.to> parents: 96 diff changeset	939 case 'A':
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	940 _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	941 break;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	942 case 'Z':
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	943 mbe_close_path(cr);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	944 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	945 case '\x0':
8 94b4b5bd8810 - Thinker K.F. Li <thinker@branda.to> parents: 7 diff changeset	946 i = cmd_len; /* padding! Skip remain ones. */
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	947 break;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	948 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	949 }
22 8fcf2d878ecd shapes with stroke Thinker K.F. Li <thinker@branda.to> parents: 20 diff changeset	950 }
6 772511b8b9be Cairo specify RGB values in range 0.0 ~ 1.0. Thinker K.F. Li <thinker@branda.to> parents: 5 diff changeset	951
448 16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine. Thinker K.F. Li <thinker@branda.to> parents: 270 diff changeset	952 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	953 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	954 }
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	955
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	956 #ifdef UNITTEST
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	957
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	958 #include <CUnit/Basic.h>
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	959
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	960 void test_rdman_shape_path_new(void) {
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	961 sh_path_t *path;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	962 co_aix *pnts;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	963
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	964 path = (sh_path_t *)rdman_shape_path_new(NULL, "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	965 CU_ASSERT(path != NULL);
10 7cfecdce94cc Remove warning messages Thinker K.F. Li <thinker@branda.to> parents: 9 diff changeset	966 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	967 CU_ASSERT(path->pnt_len == 12);
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	968 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	969 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	970
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	971 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	972 CU_ASSERT(pnts[0] == 33);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	973 CU_ASSERT(pnts[1] == 25);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	974 CU_ASSERT(pnts[2] == 66);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	975 CU_ASSERT(pnts[3] == 80);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	976 CU_ASSERT(pnts[4] == 99);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	977 CU_ASSERT(pnts[5] == 167);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	978 CU_ASSERT(pnts[6] == 110);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	979 CU_ASSERT(pnts[7] == 102);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	980 CU_ASSERT(pnts[8] == 121);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	981 CU_ASSERT(pnts[9] == 179);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	982 CU_ASSERT(pnts[10] == 33);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	983 CU_ASSERT(pnts[11] == 77);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	984 sh_path_free((shape_t *)path);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	985 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	986
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	987 void test_path_transform(void) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	988 sh_path_t *path;
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	989 co_aix *pnts;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	990 coord_t coord;
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	991 geo_t geo;
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	992
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	993 path = (sh_path_t *)rdman_shape_path_new(NULL, "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	994 CU_ASSERT(path != NULL);
10 7cfecdce94cc Remove warning messages Thinker K.F. Li <thinker@branda.to> parents: 9 diff changeset	995 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	996 CU_ASSERT(path->pnt_len == 12);
145 609ed47a58f2 Decrease number of malloc(). Thinker K.F. Li <thinker@branda.to> parents: 112 diff changeset	997 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	998 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	999
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	1000 geo_init(&geo);
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1001 path->shape.geo = &geo;
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1002 geo.shape = (shape_t *)path;
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1003
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1004 coord.aggr_matrix[0] = 1;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1005 coord.aggr_matrix[1] = 0;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1006 coord.aggr_matrix[2] = 1;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1007 coord.aggr_matrix[3] = 0;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1008 coord.aggr_matrix[4] = 2;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1009 coord.aggr_matrix[5] = 0;
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1010 path->shape.coord = &coord;
79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1011 sh_path_transform((shape_t *)path);
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1012
458 bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1013 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	1014 CU_ASSERT(pnts[0] == 34);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1015 CU_ASSERT(pnts[1] == 50);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1016 CU_ASSERT(pnts[2] == 67);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1017 CU_ASSERT(pnts[3] == 160);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1018 CU_ASSERT(pnts[4] == 34);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1019 CU_ASSERT(pnts[5] == 174);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1020 CU_ASSERT(pnts[6] == 45);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1021 CU_ASSERT(pnts[7] == 44);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1022 CU_ASSERT(pnts[8] == 56);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1023 CU_ASSERT(pnts[9] == 198);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1024 CU_ASSERT(pnts[10] == 34);
bb4f651090bf Use cairo to transform and draw arc. Thinker K.F. Li <thinker@branda.to> parents: 448 diff changeset	1025 CU_ASSERT(pnts[11] == 154);
12 79e9edf4c00a Add redraw manager Thinker K.F. Li <thinker@branda.to> parents: 11 diff changeset	1026
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1027 sh_path_free((shape_t *)path);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1028 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1029
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	1030 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	1031 sh_path_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	1032
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	1033 path = (sh_path_t *)
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	1034 rdman_shape_path_new(NULL,
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 149 diff changeset	1035 " 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	1036 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	1037 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	1038 }
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	1039
5 9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1040 CU_pSuite get_shape_path_suite(void) {
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1041 CU_pSuite suite;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1042
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1043 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	1044 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	1045 CU_ADD_TEST(suite, test_path_transform);
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1046
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1047 return suite;
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1048 }
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1049
9c331ec9e210 SVG path is partially supported Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1050 #endif /* UNITTEST */

Mercurial > MadButterfly

annotate src/shape_path.c @ 702:78a01b0d3fc9