Mercurial > MadButterfly

annotate src/shape_path.c @ 458:bb4f651090bf

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Use cairo to transform and draw arc. - We move some values into float_args. - fix_args is removed. - args is rename to pnts. - We still need to add corner points to pnts at sh_path_arc_cmd_arg_fill().
author Thinker K.F. Li <thinker@branda.to>
date Thu, 10 Sep 2009 17:36:45 +0800
parents 16116d84bc5e
children 8b155b77fa14
rev   line source
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <ctype.h>
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4 #include <string.h>
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5 #include "mb_graph_engine.h"
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6 #include "mb_types.h"
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7 #include "mb_redraw_man.h"
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8
8
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9 /*! \brief Implement respective objects for SVG path tag.
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10 *
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11 * In user_data or dev_data, 0x00 bytes are padding after commands.
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12 * No commands other than 0x00 can resident after 0x00 itself.
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13 * It means command processing code can skip commands after a 0x00.
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14 *
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15 * Shapes should check if shape_t::geo is assigned. Once transformation
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16 * matrics are changed, shape objects should update shape_t::geo if
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17 * it is assigned.
8
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18 */
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19 typedef struct _sh_path {
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20 shape_t shape;
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21 int cmd_len;
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22 int pnt_len;
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23 int float_arg_len;
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24 char *user_data;
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25 char *dev_data; /* device space data */
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26 } sh_path_t;
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27 #define RESERVED_AIXS sizeof(co_aix[2])
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28
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29 #define ASSERT(x)
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30 #define SKIP_SPACE(x) while(*(x) && (isspace(*(x)) || *(x) == ',')) { (x)++; }
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31 #define SKIP_NUM(x) \
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32 while(*(x) && \
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33 (isdigit(*(x)) || \
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34 *(x) == 'e' || \
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35 *(x) == 'E' || \
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36 *(x) == '-' || \
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37 *(x) == '+' || \
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38 *(x) == '.')) { \
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39 (x)++; \
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40 }
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41 #define OK 0
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42 #define ERR -1
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43 #define PI 3.1415926535897931
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44
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45 #ifdef UNITTEST
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46 #undef rdman_shape_man
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47 #define rdman_shape_man(x, y)
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48 #endif
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49
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50 /* ============================================================
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51 * Implement arc in path.
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52 */
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53 #include <math.h>
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54 /*! \brief Calculate center of the ellipse of an arc.
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55 *
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56 * Origin of our coordination is left-top corner, and y-axis are grown
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57 * to down-side.
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58 *
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59 * Space of the arc is transformed to space that correspondent
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60 * ellipse containing the arc is mapped into an unit circle.
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61 * - ux0 = x0 / rx
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62 * - uy0 = y0 / ry
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63 * - ux = x / rx
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64 * - uy = y / ry
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65 * ux0, uy0, ux, uy are got by transforming (x0, y0) and (x, y) into points
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66 * on the unit circle. The center of unit circle are (ucx, ucy):
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67 * - umx = (ux0 + ux) / 2
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68 * - umy = (uy0 + uy) / 2
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69 * - udcx = ucx - umx
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70 * - udcy = ucy - umy
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71 * - udx = ux - umx
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72 * - udy = uy - umy
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73 *
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74 * - udx * udcx + udy * udcy = 0
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75 *
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76 * - udl2 = udx ** 2 + udy ** 2
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77 *
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78 * For drawing small arc in clockwise
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79 * - udx * udcy - udy * udcx = sqrt((1 - udl2) * udl2)
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80 *
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81 * - udcy = -udcx * udx / udy
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82 * - -udcx * (udx ** 2) / udy - udy * udcx = sqrt((1 - udl2) * udl2)
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83 * - -udcx * ((udx ** 2) / udy + udy) = sqrt((1 - udl2) * udl2)
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84 * - udcx = -sqrt((1 - udl2) * udl2) / ((udx ** 2) / udy + udy)
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85 * or
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86 * - udcx = -udcy * udy / udx
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87 * - udx * udcy + udcy * (udy ** 2) / udx = sqrt((1 - udl2) * udl2)
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88 * - udcy * (udx + (udy ** 2) / udx) = sqrt((1 - udl2) * udl2)
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89 * - udcy = sqrt((1 - udl2) * udl2) / (udx + (udy ** 2) / udx)
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90 *
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91 * - cx = rx * ucx
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92 * - cx = rx * (udcx + umx)
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93 * - cy = ry * ucy
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94 * - cy = ry * (udcy + umy)
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95 */
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96 static int _calc_center(co_aix x0, co_aix y0,
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97 co_aix x, co_aix y,
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98 co_aix rx, co_aix ry,
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99 co_aix x_rotate,
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100 int large, int sweep,
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101 co_aix *cx, co_aix *cy) {
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102 co_aix nrx, nry, nrx0, nry0;
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103 co_aix udx, udy, udx2, udy2;
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104 co_aix umx, umy;
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105 co_aix udcx, udcy;
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106 co_aix nrcx, nrcy;
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107 co_aix udl2;
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108 float _sin = sinf(x_rotate);
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109 float _cos = cosf(x_rotate);
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110 int reflect;
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111
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112 /* Compute center of the ellipse */
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113 nrx = x * _cos + y * _sin;
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114 nry = x * -_sin + y * _cos;
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115 nrx0 = x0 * _cos + y0 * _sin;
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116 nry0 = x0 * -_sin + y0 * _cos;
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117
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118 udx = (nrx - nrx0) / 2 / rx; /* ux - umx */
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119 udy = (nry - nry0) / 2 / ry; /* uy - umy */
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120 umx = (nrx + nrx0) / 2 / rx;
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121 umy = (nry + nry0) / 2 / ry;
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122
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123 udx2 = udx * udx;
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124 udy2 = udy * udy;
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125 udl2 = udx2 + udy2;
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126
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127 if(udy != 0) {
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128 /* center is at left-side of arc */
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129 udcx = -sqrtf((1 - udl2) * udl2) / (udy + udx2 / udy);
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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,
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
159 co_aix x_rotate) {
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
160 co_aix nrx, nry;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
161 co_aix _sin, _cos;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
162 co_aix xy_tan;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
163 co_aix angle;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
164
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
165 _sin = sinf(x_rotate);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
166 _cos = cosf(x_rotate);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
167
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
168 nrx = (x * _cos + y * _sin) / rx;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
169 nry = (-x * _sin + y * _cos) / ry;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
170 xy_tan = nry / nrx;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
171
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
172 angle = atan(xy_tan);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
173
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
174 if(nrx < 0)
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
175 angle = PI + angle;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
176
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
177 return angle;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
178 }
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
179
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
180 #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
181 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
182 old = p; \
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
183 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
184 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
185 return ERR; \
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
186 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
187 } while(0);
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
188
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
189 static int sh_path_arc_cmd_arg_fill(char cmd, char **cmds_p,
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
190 const char **data_p,
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
191 co_aix **pnts_p,
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
192 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
193 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
194 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
195 int large, sweep;
458
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
196 co_aix x, y, x0, y0, cx, cy;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
197 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
198 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
199 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
200 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
201 char *cmds;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
202 co_aix *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
203
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
204 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
205 cmds = *cmds_p;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
206 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
207 while(*p) {
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
208 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
209 old = p;
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
210 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
211 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
212 break;
99
4aa1c9673363 Arc in path pass the test in example svg2code_ex.
Thinker K.F. Li <thinker@branda.to>
parents: 98
diff changeset
213 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
214
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
215 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
216 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
217 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
218 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
219 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
220 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
221
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
222 x0 = *(pnts - 2);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
223 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
224
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
225 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
226 x += x0;
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
227 y += y0;
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
228 }
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
229
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
230 _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
231 sweep, &cx, &cy);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
232 pnts += 8; /*!< \note Add corners here. */
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
233 *(pnts++) = x;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
234 *(pnts++) = y;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
235
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
236 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
237 rx, ry, x_rotate);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
238 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
239 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
240
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
241 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
242 angle_stop += 2 * PI;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
243 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
244 angle_start += 2 * PI;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
245
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
246 *float_args++ = cx;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
247 *float_args++ = cy;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
248 *float_args++ = rx;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
249 *float_args++ = ry;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
250 *float_args++ = angle_start;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
251 *float_args++ = angle_stop;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
252 *float_args++ = x_rotate;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
253
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
254 *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
255 }
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
256
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
257 *data_p = p;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
258 *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
259 *cmds_p = cmds;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
260 *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
261
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
262 return OK;
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
263 }
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
264
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
265 #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
266 #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
267
458
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diff changeset
268 static co_aix distance_pow2(co_aix x, co_aix y) {
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diff changeset
269 return x * x + y * y;
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270 }
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271
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diff changeset
272 static co_aix angle_diff(co_aix sx, co_aix sy, co_aix dx, co_aix dy) {
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diff changeset
273 co_aix inner, cross;
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274 co_aix angle;
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275 co_aix rd2, rd;
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276
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277 rd2 = distance_pow2(dx, dy);
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diff changeset
278 rd = sqrtf(rd2);
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279
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280 inner = INNER(sx, sy, dx, dy);
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281 cross = CROSS(sx, sy, dx, dy);
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282 angle = acos(inner / rd);
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283 if(cross < 0)
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284 angle = 2 * PI - angle;
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285
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286 return angle;
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287 }
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288
100
1a1dda98730c Fix the bug of order of cross & inner product of vectors
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parents: 99
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289 /*! \brief Make path for arcs in a path.
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parents: 99
diff changeset
290 */
458
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diff changeset
291 void _sh_path_arc_path(mbe_t *cr, sh_path_t *path, const co_aix **pnts_p,
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diff changeset
292 const co_aix **float_args_p) {
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293 co_aix cx, cy, x0, y0, x, y;
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294 co_aix rx, ry;
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295 co_aix xyratio;
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296 co_aix angle_start, angle_stop;
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297 co_aix x_rotate;
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298 const co_aix *pnts;
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299 const co_aix *float_args;
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300 co_aix matrix[6];
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301 co_aix dev_matrix[6];
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302 co_aix *aggr;
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Thinker K.F. Li <thinker@branda.to>
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303 co_aix _sin, _cos;
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304
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305 pnts = *pnts_p;
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diff changeset
306 float_args = *float_args_p;
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307 x0 = *(pnts - 2);
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308 y0 = *(pnts - 1);
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diff changeset
309 pnts += 8;
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310 x = *pnts++;
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311 y = *pnts++;
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312
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313 cx = *float_args++;
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diff changeset
314 cy = *float_args++;
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diff changeset
315 rx = *float_args++;
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diff changeset
316 ry = *float_args++;
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diff changeset
317 angle_start = *float_args++;
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diff changeset
318 angle_stop = *float_args++;
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319 x_rotate = *float_args++;
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diff changeset
320
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diff changeset
321 _sin = sinf(x_rotate);
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diff changeset
322 _cos = cosf(x_rotate);
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diff changeset
323
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diff changeset
324 xyratio = ry / rx;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
325 aggr = sh_get_aggr_matrix((shape_t *)path);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
326 matrix[0] = _cos;
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parents: 448
diff changeset
327 matrix[1] = -_sin * xyratio;
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diff changeset
328 matrix[2] = cx;
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diff changeset
329 matrix[3] = _sin;
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diff changeset
330 matrix[4] = _cos * xyratio;
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diff changeset
331 matrix[5] = cy;
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diff changeset
332
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diff changeset
333 matrix_mul(aggr, matrix, dev_matrix);
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parents: 448
diff changeset
334 mbe_save(cr);
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parents: 448
diff changeset
335 mbe_transform(cr, dev_matrix);
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parents: 448
diff changeset
336 mbe_arc(cr, 0, 0, rx, angle_start, angle_stop);
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diff changeset
337 mbe_restore(cr);
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diff changeset
338
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339 *pnts_p = pnts;
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diff changeset
340 *float_args_p = float_args;
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diff changeset
341 }
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342
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diff changeset
343 #if 0
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diff changeset
344 void __sh_path_arc_path(mbe_t *cr, const co_aix **args_p,
98
688f76b8e71c Implement arc for path, but it is still under testing
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parents: 97
diff changeset
345 const int **fix_args_p) {
458
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diff changeset
346 co_aix cx, cy, x0, y0, x, y;
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diff changeset
347 co_aix dx, dy, dx0, dy0;
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348 co_aix udxx, udxy;
98
688f76b8e71c Implement arc for path, but it is still under testing
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diff changeset
349 co_aix xyratio;
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diff changeset
350 co_aix rx;
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351 co_aix rx2;
458
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diff changeset
352 co_aix dra45x, dra45y, udra45x, udra45y;
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parents: 448
diff changeset
353 co_aix rra45, rra45_2;
98
688f76b8e71c Implement arc for path, but it is still under testing
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parents: 97
diff changeset
354 co_aix inner0, cross0;
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diff changeset
355 co_aix inner, cross;
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diff changeset
356 co_aix angle, angle0;
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diff changeset
357 co_aix rotate;
458
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358 co_aix _sqrt2;
98
688f76b8e71c Implement arc for path, but it is still under testing
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diff changeset
359 const co_aix *args = *args_p;
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parents: 97
diff changeset
360 const int *fix_args = *fix_args_p;
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diff changeset
361 int sweep;
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diff changeset
362
458
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diff changeset
363 _sqrt2 = sqrtf(2);
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parents: 448
diff changeset
364
98
688f76b8e71c Implement arc for path, but it is still under testing
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parents: 97
diff changeset
365 x0 = *(args - 2);
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parents: 97
diff changeset
366 y0 = *(args - 1);
688f76b8e71c Implement arc for path, but it is still under testing
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parents: 97
diff changeset
367 cx = *args++;
688f76b8e71c Implement arc for path, but it is still under testing
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parents: 97
diff changeset
368 cy = *args++;
458
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parents: 448
diff changeset
369 ra45x = *args++;
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diff changeset
370 ra45y = *args++;
98
688f76b8e71c Implement arc for path, but it is still under testing
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parents: 97
diff changeset
371 x = *args++;
688f76b8e71c Implement arc for path, but it is still under testing
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parents: 97
diff changeset
372 y = *args++;
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
373 sweep = *fix_args++;
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Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
374
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
375 dx = x - cx;
99
4aa1c9673363 Arc in path pass the test in example svg2code_ex.
Thinker K.F. Li <thinker@branda.to>
parents: 98
diff changeset
376 dy = y - cy;
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
377 dx0 = x0 - cx;
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Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
378 dy0 = y0 - cy;
458
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
379 dra45x = ra45x - cx;
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parents: 448
diff changeset
380 dra45y = ra45y - cy;
98
688f76b8e71c Implement arc for path, but it is still under testing
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parents: 97
diff changeset
381
458
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parents: 448
diff changeset
382 rra45_2 = dra45x * dra45x + dra45y * dra45y;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
383 rra45 = sqrtf(rra45_2);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
384 udra45x = dra45x / rra45;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
385 udra45y = dra45y / rra45;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
386
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parents: 448
diff changeset
387 udxx = (udra45x + udra45y) * _sqrt2;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
388 udxy = (-udra45x + udra45y) * _sqrt2;
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
389
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
390 /*! \note Why we calculate these numbers there?
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
391 * If we compute it when filling arguments, sh_path_arc_cmd_arg_fill(),
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
392 * we can avoid to recompute it for every drawing. But, transforming of
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
393 * coordinate can effect value of the numbers.
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
394 */
458
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
395 rotate = acos(udxx);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
396 if(udxy < 0)
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
397 rotate = 2 * PI - rotate;
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
398
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
399 angle0 = angle_diff(udxx, udxy, dx0, dy0);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
400 angle = angle_diff(udxx, udxy, dx, dy);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
401
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
402 ASSERT(rx != 0);
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Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
403 xyratio = udra45y / udra45x;
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
404 if(xyratio < 0)
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
405 xyratio = -xyratio;
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
406
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
407 /* Make a path for arc */
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
408 mbe_save(cr);
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
409 mbe_translate(cr, cx, cy);
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
410 mbe_rotate(cr, rotate);
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
411 mbe_scale(cr, 1.0, xyratio);
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
412 if(sweep)
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
413 mbe_arc(cr, 0, 0, rx, angle0, angle);
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
414 else
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
415 mbe_arc_negative(cr, 0, 0, rx, angle0, angle);
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
416 mbe_restore(cr);
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
417
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
418 *args_p = args;
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
419 *fix_args_p = fix_args;
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
420 }
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
421 #endif
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
422
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
423 /* ============================================================ */
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
424
73
9ab15ebc9061 Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents: 58
diff changeset
425 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
426 sh_path_t *path = (sh_path_t *)shape;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
427 if(path->user_data)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
428 free(path->user_data);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
429 free(path);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
430 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
431
86
7d0580f89468 Fix bug of dealing matrix().
Thinker K.F. Li <thinker@branda.to>
parents: 73
diff changeset
432 /*! \brief Count number of arguments.
7d0580f89468 Fix bug of dealing matrix().
Thinker K.F. Li <thinker@branda.to>
parents: 73
diff changeset
433 *
7d0580f89468 Fix bug of dealing matrix().
Thinker K.F. Li <thinker@branda.to>
parents: 73
diff changeset
434 * \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
435 */
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
436 static int sh_path_cmd_arg_cnt(char *data, int *cmd_cntp, int *pnt_cntp,
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
437 int *float_arg_cntp) {
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
438 char *p, *old;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
439 int cmd_cnt, pnt_cnt, float_arg_cnt;
96
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
440 int i;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
441
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
442 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
443 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
444 SKIP_SPACE(p);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
445 while(*p) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
446 switch(*p++) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
447 case 'c':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
448 case 'C':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
449 while(*p) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
450 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
451 SKIP_SPACE(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_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
454 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
455 break;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
456 pnt_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
457
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
458 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
459 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
460 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
461 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
462 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
463 pnt_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
464
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
465 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
466 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
467 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
468 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
469 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
470 pnt_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
471
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
472 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
473 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
474 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
475 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
476 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
477 pnt_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
478 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
479 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
480 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
481 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
482 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
483 pnt_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
484
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
485 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
486 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
487 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
488 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
489 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
490 pnt_cnt++;
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
491
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
492 cmd_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
493 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
494 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
495 case 's':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
496 case 'S':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
497 case 'q':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
498 case 'Q':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
499 while(*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_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
502 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
503 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
504 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
505 break;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
506 pnt_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 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
509 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
510 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
511 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
512 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
513 pnt_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
514
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
515 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
516 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
517 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
518 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
519 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
520 pnt_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
521
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
522 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
523 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
524 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
525 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
526 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
527 pnt_cnt++;
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
528
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
529 cmd_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
530 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
531 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
532 case 'm':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
533 case 'M':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
534 case 'l':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
535 case 'L':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
536 case 't':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
537 case 'T':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
538 while(*p) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
539 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
540 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
541 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
542 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
543 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
544 break;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
545 pnt_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
546
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
547 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
548 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
549 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
550 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
551 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
552 pnt_cnt++;
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
553
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
554 cmd_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
555 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
556 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
557 case 'h':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
558 case 'H':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
559 case 'v':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
560 case 'V':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
561 while(*p) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
562 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
563 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
564 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
565 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
566 break;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
567 pnt_cnt += 2;
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
568
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
569 cmd_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
570 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
571 break;
96
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
572 case 'A':
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
573 case 'a':
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
574 while(*p) {
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
575 SKIP_SPACE(p);
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
576 old = p;
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
577 SKIP_NUM(p);
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
578 if(p == old)
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
579 break;
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
580
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
581 for(i = 0; i < 6; i++) {
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
582 SKIP_SPACE(p);
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
583 old = p;
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
584 SKIP_NUM(p);
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
585 if(p == old)
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
586 return ERR;
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
587 }
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
588
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
589 pnt_cnt += 10;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
590 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
591
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
592 cmd_cnt++;
96
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
593 }
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
594 break;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
595 case 'z':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
596 case 'Z':
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
597 cmd_cnt++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
598 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
599 default:
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
600 return ERR;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
601 }
96
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
602 /*! \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
603 SKIP_SPACE(p);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
604 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
605
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
606 *cmd_cntp = cmd_cnt;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
607 *pnt_cntp = pnt_cnt;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
608 *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
609 return OK;
96
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
610 }
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
611
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
612 #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
613 #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
614
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
615 static int sh_path_cmd_arg_fill(char *data, sh_path_t *path) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
616 char *p, *old;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
617 char *cmds;
7
569f3168ba53 Clear background & tranform relative pos into absolute ones
Thinker K.F. Li <thinker@branda.to>
parents: 6
diff changeset
618 char cmd;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
619 co_aix *pnts;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
620 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
621 co_aix x, y;
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
622 int r;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
623
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
624 cmds = path->user_data;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
625 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
626 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
627 path->pnt_len * sizeof(co_aix));
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
628 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
629 SKIP_SPACE(p);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
630 while(*p) {
7
569f3168ba53 Clear background & tranform relative pos into absolute ones
Thinker K.F. Li <thinker@branda.to>
parents: 6
diff changeset
631 /* 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
632 x = *(pnts - 2);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
633 y = *(pnts - 1);
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
634
7
569f3168ba53 Clear background & tranform relative pos into absolute ones
Thinker K.F. Li <thinker@branda.to>
parents: 6
diff changeset
635 switch((cmd = *p++)) {
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
636 case 'c':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
637 case 'C':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
638 while(*p) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
639 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
640 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
641 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
642 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
643 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
644 break;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
645 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
646 pnts++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
647
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 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
653 *pnts = TO_ABSY;
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_ABSX;
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_ABSY;
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 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
672 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
673 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
674 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
675 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
676 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
677 pnts++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
678
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
679 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
680 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
681 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
682 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
683 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
684 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
685 pnts++;
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
686
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
687 *cmds++ = toupper(cmd);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
688 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
689 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
690 case 's':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
691 case 'S':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
692 case 'q':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
693 case 'Q':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
694 while(*p) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
695 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
696 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
697 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
698 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
699 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
700 break;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
701 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
702 pnts++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
703
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
704 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
705 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
706 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
707 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
708 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
709 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
710 pnts++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
711
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
712 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
713 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
714 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
715 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
716 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
717 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
718 pnts++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
719
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
720 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
721 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
722 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
723 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
724 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
725 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
726 pnts++;
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
727
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 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
730 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
731 case 'm':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
732 case 'M':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
733 case 'l':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
734 case 'L':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
735 case 't':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
736 case 'T':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
737 while(*p) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
738 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
739 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
740 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
741 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
742 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
743 break;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
744 *pnts = TO_ABSX;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
745 pnts++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
746
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
747 SKIP_SPACE(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
748 old = p;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
749 SKIP_NUM(p);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
750 if(p == old)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
751 return ERR;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
752 *pnts = TO_ABSY;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
753 pnts++;
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
754
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
755 *cmds++ = toupper(cmd);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
756 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
757 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
758 case 'h':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
759 case 'H':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
760 case 'v':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
761 case 'V':
58
Thinker K.F. Li <thinker@branda.to>
parents: 34
diff changeset
762 /*! \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
763 return ERR;
96
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
764
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
765 case 'A':
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
766 case 'a':
98
688f76b8e71c Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents: 97
diff changeset
767 r = sh_path_arc_cmd_arg_fill(cmd, &cmds,
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
768 (const char **)&p, &pnts,
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
769 &float_args);
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
770 if(r != OK)
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
771 return ERR;
96
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
772 break;
Thinker K.F. Li <thinker@branda.to>
parents: 86
diff changeset
773
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
774 case 'z':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
775 case 'Z':
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
776 *cmds++ = toupper(cmd);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
777 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
778 default:
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
779 return ERR;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
780 }
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
781 SKIP_SPACE(p);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
782 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
783
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
784 return OK;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
785 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
786
9
6eecdd331fe7 Fix bug in testcase
Thinker K.F. Li <thinker@branda.to>
parents: 8
diff changeset
787 /*! \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
788 */
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
789 shape_t *rdman_shape_path_new(redraw_man_t *rdman, char *data) {
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
790 sh_path_t *path;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
791 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
792 int msz;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
793 int r;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
794
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
795 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
796 &float_arg_cnt);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
797 if(r == ERR)
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
798 return NULL;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
799
8
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
800 /* Align at 4's boundary and keep 2 unused co_aix space
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
801 * to make logic of transformation from relative to absolute
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
802 * simple.
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
803 */
10
7cfecdce94cc Remove warning messages
Thinker K.F. Li <thinker@branda.to>
parents: 9
diff changeset
804 cmd_cnt += RESERVED_AIXS;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
805 cmd_cnt = (cmd_cnt + 3) & ~0x3;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
806
149
Thinker K.F. Li <thinker@branda.to>
parents: 146
diff changeset
807 /*! \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
808 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
809 /*! \todo Remove this memset()? */
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
810 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
811 mb_obj_init(path, MBO_PATH);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
812 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
813 path->pnt_len = pnt_cnt;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
814 path->float_arg_len = float_arg_cnt;
145
609ed47a58f2 Decrease number of malloc().
Thinker K.F. Li <thinker@branda.to>
parents: 112
diff changeset
815
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
816 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
817 sizeof(co_aix) * float_arg_cnt;
145
609ed47a58f2 Decrease number of malloc().
Thinker K.F. Li <thinker@branda.to>
parents: 112
diff changeset
818 path->user_data = (char *)malloc(msz * 2);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
819 if(path->user_data == NULL) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
820 free(path);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
821 return NULL;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
822 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
823
145
609ed47a58f2 Decrease number of malloc().
Thinker K.F. Li <thinker@branda.to>
parents: 112
diff changeset
824 path->dev_data = path->user_data + msz;
609ed47a58f2 Decrease number of malloc().
Thinker K.F. Li <thinker@branda.to>
parents: 112
diff changeset
825
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
826 r = sh_path_cmd_arg_fill(data, path);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
827 if(r == ERR) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
828 free(path->user_data);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
829 free(path);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
830 return NULL;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
831 }
100
1a1dda98730c Fix the bug of order of cross & inner product of vectors
Thinker K.F. Li <thinker@branda.to>
parents: 99
diff changeset
832 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
833
73
9ab15ebc9061 Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents: 58
diff changeset
834 path->shape.free = sh_path_free;
9ab15ebc9061 Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents: 58
diff changeset
835
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
836 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
837
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
838 return (shape_t *)path;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
839 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
840
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
841 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
842 char *commands,
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
843 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
844 co_aix *float_args,
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
845 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
846 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
847 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
848 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
849
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
850 /*! \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
851 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
852 /*! \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
853 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
854 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
855 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
856 path->cmd_len = cmd_cnt;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
857 path->pnt_len = pnt_cnt;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
858 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
859 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
860 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
861 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
862 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
863 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
864 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
865 }
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
866
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
867 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
868 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
869 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
870 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
871 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
872 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
873
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
874 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
875
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
876 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
877
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
878 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
879 }
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
880
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
881
9
6eecdd331fe7 Fix bug in testcase
Thinker K.F. Li <thinker@branda.to>
parents: 8
diff changeset
882 /*! \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
883 *
6eecdd331fe7 Fix bug in testcase
Thinker K.F. Li <thinker@branda.to>
parents: 8
diff changeset
884 */
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
885 void sh_path_transform(shape_t *shape) {
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
886 sh_path_t *path;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
887 co_aix *pnts, *dev_pnts;
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
888 co_aix (*poses)[2];
26
d50f33040de6 Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents: 22
diff changeset
889 area_t *area;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
890 int pnt_len;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
891 int i;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
892
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
893 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
894 ASSERT((shape->pnt_len & 0x1) == 0);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
895
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
896 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
897 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
898 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
899 pnt_len = path->pnt_len;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
900 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
901 dev_pnts[0] = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
902 dev_pnts[1] = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
903 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
904 dev_pnts += 2;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
905 }
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
906
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
907 if(path->shape.geo) {
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
908 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
909 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
910 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
911 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
912 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
913 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
914 area->h += shape->stroke_width + 1;
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
915 }
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
916 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
917
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
918 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
919 sh_path_t *path;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
920 int cmd_len;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
921 char *cmds, cmd;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
922 const co_aix *pnts;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
923 const co_aix *float_args;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
924 co_aix x, y, x1, y1, x2, y2;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
925 int i;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
926
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
927 ASSERT(shape->type == SHT_PATH);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
928
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
929 path = (sh_path_t *)shape;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
930 cmd_len = path->cmd_len;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
931 cmds = path->dev_data;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
932 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
933 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
934 x = y = x1 = y1 = x2 = y2 = 0;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
935 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
936 /* 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
937 * to absoluted form.
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
938 */
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
939 cmd = *cmds++;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
940 switch(cmd) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
941 case 'M':
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
942 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
943 y = *pnts++;
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
944 mbe_move_to(cr, x, y);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
945 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
946 case 'L':
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
947 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
948 y = *pnts++;
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
949 mbe_line_to(cr, x, y);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
950 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
951 case 'C':
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
952 x1 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
953 y1 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
954 x2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
955 y2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
956 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
957 y = *pnts++;
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
958 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
959 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
960 case 'S':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
961 x1 = x + x - x2;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
962 y1 = y + y - y2;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
963 x2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
964 y2 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
965 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
966 y = *pnts++;
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
967 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
968 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
969 case 'Q':
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
970 x1 = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
971 y1 = *pnts++;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
972 x2 = x1;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
973 y2 = y1;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
974 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
975 y = *pnts++;
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
976 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
977 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
978 case 'T':
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
979 x1 = x + x - x2;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
980 y1 = y + y - y2;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
981 x2 = x1;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
982 y2 = y1;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
983 x = *pnts++;
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
984 y = *pnts++;
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
985 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
986 break;
97
9453e68092b5 Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents: 96
diff changeset
987 case 'A':
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
988 _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
989 break;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
990 case 'Z':
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
991 mbe_close_path(cr);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
992 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
993 case '\x0':
8
Thinker K.F. Li <thinker@branda.to>
parents: 7
diff changeset
994 i = cmd_len; /* padding! Skip remain ones. */
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
995 break;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
996 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
997 }
22
8fcf2d878ecd shapes with stroke
Thinker K.F. Li <thinker@branda.to>
parents: 20
diff changeset
998 }
6
772511b8b9be Cairo specify RGB values in range 0.0 ~ 1.0.
Thinker K.F. Li <thinker@branda.to>
parents: 5
diff changeset
999
448
16116d84bc5e Replace Cairo with a abstract layer mb_graph_engine.
Thinker K.F. Li <thinker@branda.to>
parents: 270
diff changeset
1000 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
1001 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
1002 }
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
1003
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1004 #ifdef UNITTEST
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1005
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1006 #include <CUnit/Basic.h>
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1007
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
1008 void test_rdman_shape_path_new(void) {
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1009 sh_path_t *path;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1010 co_aix *pnts;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1011
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
1012 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
1013 CU_ASSERT(path != NULL);
10
7cfecdce94cc Remove warning messages
Thinker K.F. Li <thinker@branda.to>
parents: 9
diff changeset
1014 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
1015 CU_ASSERT(path->pnt_len == 12);
145
609ed47a58f2 Decrease number of malloc().
Thinker K.F. Li <thinker@branda.to>
parents: 112
diff changeset
1016 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
1017 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
1018
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1019 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
1020 CU_ASSERT(pnts[0] == 33);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1021 CU_ASSERT(pnts[1] == 25);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1022 CU_ASSERT(pnts[2] == 66);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1023 CU_ASSERT(pnts[3] == 80);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1024 CU_ASSERT(pnts[4] == 99);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1025 CU_ASSERT(pnts[5] == 167);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1026 CU_ASSERT(pnts[6] == 110);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1027 CU_ASSERT(pnts[7] == 102);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1028 CU_ASSERT(pnts[8] == 121);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1029 CU_ASSERT(pnts[9] == 179);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1030 CU_ASSERT(pnts[10] == 33);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1031 CU_ASSERT(pnts[11] == 77);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1032 sh_path_free((shape_t *)path);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1033 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1034
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1035 void test_path_transform(void) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1036 sh_path_t *path;
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1037 co_aix *pnts;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1038 coord_t coord;
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
1039 geo_t geo;
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1040
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
1041 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
1042 CU_ASSERT(path != NULL);
10
7cfecdce94cc Remove warning messages
Thinker K.F. Li <thinker@branda.to>
parents: 9
diff changeset
1043 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
1044 CU_ASSERT(path->pnt_len == 12);
145
609ed47a58f2 Decrease number of malloc().
Thinker K.F. Li <thinker@branda.to>
parents: 112
diff changeset
1045 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
1046 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
1047
73
9ab15ebc9061 Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents: 58
diff changeset
1048 geo_init(&geo);
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
1049 path->shape.geo = &geo;
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
1050 geo.shape = (shape_t *)path;
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
1051
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1052 coord.aggr_matrix[0] = 1;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1053 coord.aggr_matrix[1] = 0;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1054 coord.aggr_matrix[2] = 1;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1055 coord.aggr_matrix[3] = 0;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1056 coord.aggr_matrix[4] = 2;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1057 coord.aggr_matrix[5] = 0;
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
1058 path->shape.coord = &coord;
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
1059 sh_path_transform((shape_t *)path);
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1060
458
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1061 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
1062 CU_ASSERT(pnts[0] == 34);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1063 CU_ASSERT(pnts[1] == 50);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1064 CU_ASSERT(pnts[2] == 67);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1065 CU_ASSERT(pnts[3] == 160);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1066 CU_ASSERT(pnts[4] == 34);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1067 CU_ASSERT(pnts[5] == 174);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1068 CU_ASSERT(pnts[6] == 45);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1069 CU_ASSERT(pnts[7] == 44);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1070 CU_ASSERT(pnts[8] == 56);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1071 CU_ASSERT(pnts[9] == 198);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1072 CU_ASSERT(pnts[10] == 34);
bb4f651090bf Use cairo to transform and draw arc.
Thinker K.F. Li <thinker@branda.to>
parents: 448
diff changeset
1073 CU_ASSERT(pnts[11] == 154);
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents: 11
diff changeset
1074
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1075 sh_path_free((shape_t *)path);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1076 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1077
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
1078 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
1079 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
1080
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
1081 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
1082 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
1083 " 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
1084 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
1085 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
1086 }
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
1087
5
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1088 CU_pSuite get_shape_path_suite(void) {
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1089 CU_pSuite suite;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1090
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1091 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
1092 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
1093 CU_ADD_TEST(suite, test_path_transform);
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1094
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1095 return suite;
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1096 }
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1097
9c331ec9e210 SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1098 #endif /* UNITTEST */