annotate src/shape_path.c @ 538:a1d49b6355c3 Android_Skia

Clear flags for clearing procedure and draw dirty cached ones
author Thinker K.F. Li <thinker@branda.to>
date Mon, 24 May 2010 11:59:27 +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
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
9 /*! \brief Implement respective objects for SVG path tag.
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
10 *
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
11 * In user_data or dev_data, 0x00 bytes are padding after commands.
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
12 * No commands other than 0x00 can resident after 0x00 itself.
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
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
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
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
524 case 'A':
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
525 case 'a':
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
526 while(*p) {
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
527 SKIP_SPACE(p);
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
528 old = p;
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
529 SKIP_NUM(p);
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
530 if(p == old)
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
531 break;
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
532
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
533 for(i = 0; i < 6; i++) {
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
534 SKIP_SPACE(p);
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
535 old = p;
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
536 SKIP_NUM(p);
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
537 if(p == old)
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
538 return ERR;
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
539 }
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
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
545 }
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
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
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
562 }
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
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
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
716
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
717 case 'A':
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
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
724 break;
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
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
752 /* Align at 4's boundary and keep 2 unused co_aix space
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
753 * to make logic of transformation from relative to absolute
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
754 * simple.
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
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
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 */