Mercurial > MadButterfly
annotate src/shape_path.c @ 98:688f76b8e71c
Implement arc for path, but it is still under testing
author | Thinker K.F. Li <thinker@branda.to> |
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date | Tue, 09 Sep 2008 18:11:37 +0800 |
parents | 9453e68092b5 |
children | 4aa1c9673363 |
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 <cairo.h> |
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6 #include "mb_types.h" |
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7 |
8 | 8 /*! \brief Implement respective objects for SVG path tag. |
9 * | |
10 * In user_data or dev_data, 0x00 bytes are padding after commands. | |
11 * No commands other than 0x00 can resident after 0x00 itself. | |
12 * It means command processing code can skip commands after a 0x00. | |
12 | 13 * |
14 * Shapes should check if shape_t::geo is assigned. Once transformation | |
15 * matrics are changed, shape objects should update shape_t::geo if | |
16 * it is assigned. | |
8 | 17 */ |
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18 typedef struct _sh_path { |
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19 shape_t shape; |
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20 int cmd_len; |
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21 int arg_len; |
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22 int fix_arg_len; |
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23 char *user_data; |
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24 char *dev_data; /* device space data */ |
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25 } sh_path_t; |
10 | 26 #define RESERVED_AIXS sizeof(co_aix[2]) |
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27 |
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28 #define ASSERT(x) |
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29 #define SKIP_SPACE(x) while(*(x) && (isspace(*(x)) || *(x) == ',')) { (x)++; } |
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30 #define SKIP_NUM(x) \ |
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31 while(*(x) && \ |
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32 (isdigit(*(x)) || \ |
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33 *(x) == '-' || \ |
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34 *(x) == '+' || \ |
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35 *(x) == '.')) { \ |
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36 (x)++; \ |
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37 } |
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38 #define OK 0 |
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39 #define ERR -1 |
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40 #define PI 3.1415926 |
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41 |
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42 /* ============================================================ |
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43 * Implement arc in path. |
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44 */ |
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45 #include <math.h> |
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46 /*! \brief Calculate center of the ellipse of an arc. |
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47 * |
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48 * - ux0 = x0 / rx |
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49 * - uy0 = y0 / ry |
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50 * - ux = x / rx |
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51 * - uy = y / rx |
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52 * ux0, uy0, ux, yu are got by transforming (x0, y0) and (x, y) into points |
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53 * on the unit circle. The center of unit circle are (ucx, ucy): |
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54 * - umx = (ux0 + ux) / 2 |
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55 * - umy = (uy0 + uy) / 2 |
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56 * - udcx = ucx - umx |
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57 * - udcy = ucy - umy |
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58 * - udx = ux - umx |
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59 * - udy = uy - umy |
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60 * |
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61 * - udcx * udx + udcy * udy = 0 |
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62 * |
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63 * - udl2 = udx ** 2 + udy ** 2; |
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64 * - udcx * udy - udcy * udx = sqrt((1 - udl2) * udl2) |
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65 * |
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66 * - udcy = -udcx * udx / udy |
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67 * - udcx * udy + udcx * (udx ** 2) / udy = sqrt((1 - udl2) * udl2) |
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68 * - udcx * (udy + (udx ** 2) / udy) = sqrt((1 - udl2) * udl2) |
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69 * - udcx = sqrt((1 - udl2) * udl2) / (udy + (udx ** 2) / udy) |
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70 * or |
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71 * - udcx = -udcy * udy / udx |
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72 * - -udcy * (udy ** 2) / udx - udcy * udx = sqrt((1 - udl2) * udl2) |
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73 * - -udcy * ((udy ** 2) / udx + udx) = sqrt((1 - udl2) * udl2) |
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74 * - udcy = -sqrt((1 - udl2) * udl2) / ((udy ** 2) / udx + udx) |
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75 * |
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76 * - cx = rx * ucx |
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77 * - cx = rx * (udcx + umx) |
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78 * - cy = ry * ucy |
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79 * - cy = ry * (udcy + umy) |
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80 */ |
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81 static int calc_center_and_x_aix(co_aix x0, co_aix y0, |
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82 co_aix x, co_aix y, |
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83 co_aix rx, co_aix ry, |
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84 co_aix x_rotate, |
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85 int large, int sweep, |
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86 co_aix *cx, co_aix *cy, |
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87 co_aix *xx, co_aix *xy) { |
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88 co_aix nrx, nry, nrx0, nry0; |
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89 co_aix udx, udy, udx2, udy2; |
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90 co_aix umx, umy; |
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91 co_aix udcx, udcy; |
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92 co_aix nrcx, nrcy; |
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93 co_aix udl2; |
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94 float _sin = sinf(x_rotate); |
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95 float _cos = cosf(x_rotate); |
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96 int reflect; |
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97 |
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98 nrx = x * _cos + y * _sin; |
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99 nry = x * -_sin + y * _cos; |
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100 nrx0 = x0 * _cos + y0 * _sin; |
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101 nry0 = x0 * -_sin + y0 * _cos; |
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102 |
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103 udx = (nrx - nrx0) / 2 / rx; /* ux - umx */ |
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104 udy = (nry - nry0) / 2 / ry; /* uy - umy */ |
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105 umx = (nrx + nrx0) / 2 / rx; |
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106 umy = (nry + nry0) / 2 / ry; |
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107 |
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108 udx2 = udx * udx; |
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109 udy2 = udy * udy; |
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110 udl2 = udx2 + udy2; |
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111 |
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112 if(udy != 0) { |
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113 udcx = sqrtf((1 - udl2) * udl2) / (udy + udx2 / udy); |
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114 udcy = - udcx * udx / udy; |
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115 } else { |
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116 udcx = 0; |
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117 udcy = -sqrtf((1 - udl2) * udl2) / udx; |
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118 } |
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119 |
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120 reflect = 0; |
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121 if(large) |
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122 reflect ^= 1; |
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123 if(sweep != 1) |
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124 reflect ^= 1; |
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125 if(reflect) { |
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126 udcx = -udcx; |
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127 udcy = -udcy; |
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128 } |
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129 |
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130 nrcx = rx * (udcx + umx); |
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131 nrcy = ry * (udcy + umy); |
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132 |
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133 *cx = nrcx * _cos - nrcy * _sin; |
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134 *cy = nrcx * _sin + nrcy * _cos; |
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135 |
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136 *xx = rx * _cos + *cx; |
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137 *xy = rx * _sin + *cy; |
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138 |
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139 return OK; |
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140 } |
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141 |
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142 |
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143 #define TAKE_NUM(r) do { \ |
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144 SKIP_SPACE(p); \ |
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145 old = p; \ |
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146 SKIP_NUM(p); \ |
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147 if(p == old) \ |
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148 return ERR; \ |
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149 r = atof(old); \ |
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150 } while(0); |
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151 |
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152 static int sh_path_arc_cmd_arg_fill(char cmd, char **cmds_p, |
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153 const char **data_p, |
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154 co_aix **args_p, |
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155 int **fix_args_p) { |
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156 co_aix rx, ry; |
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157 co_aix x_rotate; |
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158 int large, sweep; |
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159 co_aix x, y, x0, y0, cx, cy, xx, xy; |
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160 co_aix *args = *args_p; |
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161 const char *old; |
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162 const char *p; |
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163 char *cmds; |
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164 int *fix_args; |
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165 |
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166 p = *data_p; |
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167 cmds = *cmds_p; |
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168 fix_args = *fix_args_p; |
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169 while(*p) { |
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170 SKIP_SPACE(p); |
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171 old = p; |
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172 SKIP_NUM(p); |
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173 if(p == old) |
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174 break; |
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175 TAKE_NUM(rx); |
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176 |
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177 TAKE_NUM(ry); |
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178 TAKE_NUM(x_rotate); |
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179 TAKE_NUM(large); |
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180 TAKE_NUM(sweep); |
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181 TAKE_NUM(x); |
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182 TAKE_NUM(y) |
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183 |
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184 x0 = *(args - 2); |
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185 y0 = *(args - 1); |
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186 |
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187 if(islower(cmd)) { |
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188 x += x0; |
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189 y += y0; |
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190 } |
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191 |
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192 calc_center_and_x_aix(x0, y0, x, y, |
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193 rx, ry, |
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194 x_rotate, large, sweep, |
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195 &cx, &cy, &xx, &xy); |
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196 |
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197 *(args++) = cx; |
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198 *(args++) = cy; |
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199 *(args++) = xx; |
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200 *(args++) = xy; |
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201 *(args++) = x; |
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202 *(args++) = y; |
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203 |
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204 *cmds++ = toupper(cmd); |
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205 *fix_args++ = sweep; |
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206 } |
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207 |
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208 *data_p = p; |
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209 *args_p = args; |
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210 *cmds_p = cmds; |
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211 *fix_args_p = fix_args; |
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212 |
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213 return OK; |
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214 } |
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215 |
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216 #define INNER(x1, y1, x2, y2) ((x1) * (x2) + (y1) * (y2)) |
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217 #define CROSS(x1, y1, x2, y2) ((x1) * (y2) - (y1) * (x2)) |
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218 |
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219 void sh_path_arc_path(cairo_t *cr, const co_aix **args_p, |
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220 const int **fix_args_p) { |
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221 co_aix cx, cy, x0, y0, x, y, xx, xy; |
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222 co_aix dx, dy, dx0, dy0, dxx, dxy; |
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223 co_aix xyratio; |
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224 co_aix rx; |
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225 co_aix rx2; |
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226 co_aix inner0, cross0; |
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227 co_aix circle_h0; |
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228 co_aix inner, cross; |
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229 co_aix angle, angle0; |
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230 co_aix rotate; |
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231 const co_aix *args = *args_p; |
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232 const int *fix_args = *fix_args_p; |
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233 int sweep; |
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234 |
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235 x0 = *(args - 2); |
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236 y0 = *(args - 1); |
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237 cx = *args++; |
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238 cy = *args++; |
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239 xx = *args++; |
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240 xy = *args++; |
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241 x = *args++; |
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242 y = *args++; |
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243 sweep = *fix_args++; |
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244 |
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245 dx = x - cx; |
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246 dy = y = cy; |
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247 dx0 = x0 - cx; |
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248 dy0 = y0 - cy; |
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249 dxx = xx - cx; |
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250 dxy = xy = cy; |
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251 |
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252 rx2 = dxx * dxx + dxy * dxy; |
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253 rx = sqrtf(rx2); |
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254 |
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255 /*! \note Why we calculate these numbers there? |
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256 * If we compute it when filling arguments, sh_path_arc_cmd_arg_fill(), |
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257 * we can avoid to recompute it for every drawing. But, transforming of |
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258 * coordinate can effect value of the numbers. |
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259 */ |
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260 inner0 = INNER(dx0, dy0, dxx, dxy); |
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261 cross0 = CROSS(dx0, dy0, dxx, dxy); |
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262 circle_h0 = sqrtf(rx2 - inner0 * inner0 / rx2); |
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263 xyratio = cross0 / rx / circle_h0; |
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264 if(xyratio < 0) |
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265 xyratio = -xyratio; |
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266 |
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267 angle0 = acos(inner / rx2); |
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268 if(cross0 < 0) |
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269 angle0 += PI; /* 3rd, 4th Quadrant */ |
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270 |
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271 inner = INNER(dx, dy, dxx, dxy); |
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272 cross = CROSS(dx, dy, dxx, dxy); |
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273 angle = acos(inner / rx2); |
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274 if(cross < 0) |
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275 angle += PI; /* 3rd, 4th Quadrant */ |
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276 |
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277 /* Make a path for arc */ |
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278 rotate = acos(dxx / rx); |
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279 cairo_save(cr); |
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280 cairo_translate(cr, cx, cy); |
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281 cairo_rotate(cr, rotate); |
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282 cairo_scale(cr, 1.0, xyratio); |
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283 if(sweep) |
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284 cairo_arc(cr, 0, 0, rx, angle0, angle); |
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|
285 else |
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286 cairo_arc_negative(cr, 0, 0, rx, angle0, angle); |
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287 cairo_restore(cr); |
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288 |
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289 *args_p = args; |
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290 *fix_args_p = fix_args; |
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291 } |
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292 |
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293 /* ============================================================ */ |
5
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294 |
73
9ab15ebc9061
Observer for mouse events
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diff
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295 static void sh_path_free(shape_t *shape) { |
5
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296 sh_path_t *path = (sh_path_t *)shape; |
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297 if(path->user_data) |
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298 free(path->user_data); |
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299 if(path->dev_data) |
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300 free(path->dev_data); |
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parents:
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changeset
|
301 free(path); |
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|
302 } |
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|
303 |
86
7d0580f89468
Fix bug of dealing matrix().
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parents:
73
diff
changeset
|
304 /*! \brief Count number of arguments. |
7d0580f89468
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parents:
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diff
changeset
|
305 * |
7d0580f89468
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|
306 * \todo Notify programmers that syntax or value error of path data. |
7d0580f89468
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307 */ |
98
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308 static int sh_path_cmd_arg_cnt(char *data, int *cmd_cntp, int *arg_cntp, |
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309 int *fix_arg_cntp) { |
5
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310 char *p, *old; |
98
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311 int cmd_cnt, arg_cnt, fix_arg_cnt; |
96 | 312 int i; |
5
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313 |
98
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314 cmd_cnt = arg_cnt = fix_arg_cnt = 0; |
5
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315 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
|
316 SKIP_SPACE(p); |
5
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parents:
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changeset
|
317 while(*p) { |
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|
318 switch(*p++) { |
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parents:
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|
319 case 'c': |
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parents:
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changeset
|
320 case 'C': |
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parents:
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|
321 while(*p) { |
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|
322 old = p; |
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|
323 SKIP_SPACE(p); |
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parents:
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|
324 old = p; |
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|
325 SKIP_NUM(p); |
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parents:
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|
326 if(p == old) |
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parents:
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changeset
|
327 break; |
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parents:
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|
328 arg_cnt++; |
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parents:
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changeset
|
329 |
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|
330 SKIP_SPACE(p); |
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parents:
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|
331 old = p; |
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|
332 SKIP_NUM(p); |
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parents:
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|
333 if(p == old) |
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parents:
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|
334 return ERR; |
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parents:
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changeset
|
335 arg_cnt++; |
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parents:
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changeset
|
336 |
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parents:
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changeset
|
337 SKIP_SPACE(p); |
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parents:
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|
338 old = p; |
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|
339 SKIP_NUM(p); |
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|
340 if(p == old) |
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parents:
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|
341 return ERR; |
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parents:
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|
342 arg_cnt++; |
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changeset
|
343 |
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|
344 SKIP_SPACE(p); |
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|
345 old = p; |
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|
346 SKIP_NUM(p); |
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|
347 if(p == old) |
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348 return ERR; |
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parents:
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|
349 arg_cnt++; |
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parents:
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|
350 SKIP_SPACE(p); |
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parents:
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|
351 old = p; |
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parents:
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|
352 SKIP_NUM(p); |
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parents:
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|
353 if(p == old) |
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parents:
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|
354 return ERR; |
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parents:
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|
355 arg_cnt++; |
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parents:
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changeset
|
356 |
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parents:
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|
357 SKIP_SPACE(p); |
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parents:
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|
358 old = p; |
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parents:
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|
359 SKIP_NUM(p); |
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parents:
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|
360 if(p == old) |
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parents:
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changeset
|
361 return ERR; |
9c331ec9e210
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parents:
diff
changeset
|
362 arg_cnt++; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
363 |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
364 cmd_cnt++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
365 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
366 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
367 case 's': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
368 case 'S': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
369 case 'q': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
370 case 'Q': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
371 while(*p) { |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
372 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
373 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
374 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
375 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
376 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
377 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
378 arg_cnt++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
379 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
380 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
381 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
382 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
383 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
384 return ERR; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
385 arg_cnt++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
386 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
387 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
388 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
389 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
390 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
391 return ERR; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
392 arg_cnt++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
393 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
394 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
395 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
396 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
397 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
398 return ERR; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
399 arg_cnt++; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
400 |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
401 cmd_cnt++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
402 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
403 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
404 case 'm': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
405 case 'M': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
406 case 'l': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
407 case 'L': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
408 case 't': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
409 case 'T': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
410 while(*p) { |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
411 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
412 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
413 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
414 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
415 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
416 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
417 arg_cnt++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
418 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
419 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
420 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
421 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
422 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
423 return ERR; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
424 arg_cnt++; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
425 |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
426 cmd_cnt++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
427 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
428 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
429 case 'h': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
430 case 'H': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
431 case 'v': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
432 case 'V': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
433 while(*p) { |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
434 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
435 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
436 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
437 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
438 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
439 arg_cnt += 2; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
440 |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
441 cmd_cnt++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
442 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
443 break; |
96 | 444 case 'A': |
445 case 'a': | |
446 while(*p) { | |
447 SKIP_SPACE(p); | |
448 old = p; | |
449 SKIP_NUM(p); | |
450 if(p == old) | |
451 break; | |
452 | |
453 for(i = 0; i < 6; i++) { | |
454 SKIP_SPACE(p); | |
455 old = p; | |
456 SKIP_NUM(p); | |
457 if(p == old) | |
458 return ERR; | |
459 } | |
460 | |
461 arg_cnt += 6; | |
98
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
462 fix_arg_cnt++; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
463 |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
464 cmd_cnt++; |
96 | 465 } |
466 break; | |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
467 case 'z': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
468 case 'Z': |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
469 cmd_cnt++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
470 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
471 default: |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
472 return ERR; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
473 } |
96 | 474 /*! \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
|
475 SKIP_SPACE(p); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
476 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
477 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
478 *cmd_cntp = cmd_cnt; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
479 *arg_cntp = 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
|
480 *fix_arg_cntp = fix_arg_cnt; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
481 return OK; |
96 | 482 } |
483 | |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
484 #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
|
485 #define TO_ABSY islower(cmd)? y + atof(old): atof(old) |
10 | 486 |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
487 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
|
488 char *p, *old; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
489 char *cmds; |
7
569f3168ba53
Clear background & tranform relative pos into absolute ones
Thinker K.F. Li <thinker@branda.to>
parents:
6
diff
changeset
|
490 char cmd; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
491 co_aix *args; |
98
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
492 int *fix_args; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
493 co_aix x, y; |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
494 int r; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
495 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
496 cmds = path->user_data; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
497 args = (co_aix *)(cmds + path->cmd_len); |
98
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
498 fix_args = (int *)(cmds + path->cmd_len + |
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
499 path->arg_len * sizeof(co_aix)); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
500 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
|
501 SKIP_SPACE(p); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
502 while(*p) { |
7
569f3168ba53
Clear background & tranform relative pos into absolute ones
Thinker K.F. Li <thinker@branda.to>
parents:
6
diff
changeset
|
503 /* Transform all relative to absolute, */ |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
504 x = *(args - 2); |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
505 y = *(args - 1); |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
506 |
7
569f3168ba53
Clear background & tranform relative pos into absolute ones
Thinker K.F. Li <thinker@branda.to>
parents:
6
diff
changeset
|
507 switch((cmd = *p++)) { |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
508 case 'c': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
509 case 'C': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
510 while(*p) { |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
511 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
512 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
513 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
514 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
515 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
516 break; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
517 *args = TO_ABSX; |
10 | 518 args++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
519 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
520 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
521 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
522 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
523 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
524 return ERR; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
525 *args = TO_ABSY; |
10 | 526 args++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
527 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
528 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
529 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
530 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
531 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
532 return ERR; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
533 *args = TO_ABSX; |
10 | 534 args++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
535 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
536 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
537 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
538 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
539 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
540 return ERR; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
541 *args = TO_ABSY; |
10 | 542 args++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
543 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
544 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
545 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
546 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
547 return ERR; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
548 *args = TO_ABSX; |
10 | 549 args++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
550 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
551 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
552 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
553 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
554 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
555 return ERR; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
556 *args = TO_ABSY; |
10 | 557 args++; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
558 |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
559 *cmds++ = toupper(cmd); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
560 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
561 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
562 case 's': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
563 case 'S': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
564 case 'q': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
565 case 'Q': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
566 while(*p) { |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
567 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
568 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
569 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
570 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
571 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
572 break; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
573 *args = TO_ABSX; |
10 | 574 args++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
575 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
576 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
577 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
578 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
579 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
580 return ERR; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
581 *args = TO_ABSY; |
10 | 582 args++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
583 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
584 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
585 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
586 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
587 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
588 return ERR; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
589 *args = TO_ABSX; |
10 | 590 args++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
591 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
592 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
593 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
594 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
595 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
596 return ERR; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
597 *args = TO_ABSY; |
10 | 598 args++; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
599 |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
600 *cmds++ = toupper(cmd); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
601 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
602 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
603 case 'm': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
604 case 'M': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
605 case 'l': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
606 case 'L': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
607 case 't': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
608 case 'T': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
609 while(*p) { |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
610 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
611 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
612 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
613 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
614 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
615 break; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
616 *args = TO_ABSX; |
10 | 617 args++; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
618 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
619 SKIP_SPACE(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
620 old = p; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
621 SKIP_NUM(p); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
622 if(p == old) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
623 return ERR; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
624 *args = TO_ABSY; |
10 | 625 args++; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
626 |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
627 *cmds++ = toupper(cmd); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
628 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
629 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
630 case 'h': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
631 case 'H': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
632 case 'v': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
633 case 'V': |
58 | 634 /*! \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
|
635 return ERR; |
96 | 636 |
637 case 'A': | |
638 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
|
639 r = sh_path_arc_cmd_arg_fill(cmd, &cmds, |
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
640 (const char **)&p, &args, |
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
641 &fix_args); |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
642 if(r != OK) |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
643 return ERR; |
96 | 644 break; |
645 | |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
646 case 'z': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
647 case 'Z': |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
648 *cmds++ = toupper(cmd); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
649 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
650 default: |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
651 return ERR; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
652 } |
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
|
653 SKIP_SPACE(p); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
654 } |
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 return OK; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
657 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
658 |
9 | 659 /*! \brief Create a path from value of 'data' of SVG path. |
660 */ | |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
661 shape_t *sh_path_new(char *data) { |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
662 sh_path_t *path; |
98
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
663 int cmd_cnt, arg_cnt, fix_arg_cnt; |
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
664 int msz; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
665 int r; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
666 |
98
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
667 r = sh_path_cmd_arg_cnt(data, &cmd_cnt, &arg_cnt, &fix_arg_cnt); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
668 if(r == ERR) |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
669 return NULL; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
670 |
8 | 671 /* Align at 4's boundary and keep 2 unused co_aix space |
672 * to make logic of transformation from relative to absolute | |
673 * simple. | |
674 */ | |
10 | 675 cmd_cnt += RESERVED_AIXS; |
5
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
676 cmd_cnt = (cmd_cnt + 3) & ~0x3; |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
677 |
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
678 path = (sh_path_t *)malloc(sizeof(sh_path_t)); |
12 | 679 memset(&path->shape, 0, sizeof(shape_t)); |
5
9c331ec9e210
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parents:
diff
changeset
|
680 path->shape.sh_type = SHT_PATH; |
9c331ec9e210
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parents:
diff
changeset
|
681 path->cmd_len = cmd_cnt; |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
682 path->arg_len = 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
|
683 path->fix_arg_len = fix_arg_cnt; |
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
684 msz = cmd_cnt + sizeof(co_aix) * arg_cnt + sizeof(int) * fix_arg_cnt; |
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
685 path->user_data = (char *)malloc(msz); |
5
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SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
686 if(path->user_data == NULL) { |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
687 free(path); |
9c331ec9e210
SVG path is partially supported
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parents:
diff
changeset
|
688 return NULL; |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
689 } |
98
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
690 path->dev_data = (char *)malloc(msz); |
5
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parents:
diff
changeset
|
691 if(path->dev_data == NULL) { |
9c331ec9e210
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parents:
diff
changeset
|
692 free(path->dev_data); |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
693 free(path); |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
694 return NULL; |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
695 } |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
696 |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
697 memset(path->user_data, 0, cmd_cnt); |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
698 r = sh_path_cmd_arg_fill(data, path); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
699 if(r == ERR) { |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
700 free(path->user_data); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
701 free(path->dev_data); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
702 free(path); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
703 return NULL; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
704 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
705 memcpy(path->dev_data, path->user_data, cmd_cnt); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
706 |
73
9ab15ebc9061
Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents:
58
diff
changeset
|
707 path->shape.free = sh_path_free; |
9ab15ebc9061
Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents:
58
diff
changeset
|
708 |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
709 return (shape_t *)path; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
710 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
711 |
9 | 712 /*! \brief Transform a path from user space to device space. |
713 * | |
58 | 714 * \todo associate coord_t with shape objects and transform them |
9 | 715 * automatically. |
716 */ | |
12 | 717 void sh_path_transform(shape_t *shape) { |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
718 sh_path_t *path; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
719 co_aix *user_args, *dev_args; |
12 | 720 co_aix (*poses)[2]; |
26
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
22
diff
changeset
|
721 area_t *area; |
12 | 722 int arg_len; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
723 int i; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
724 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
725 ASSERT(shape->type == SHT_PATH); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
726 ASSERT((shape->arg_len & 0x1) == 0); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
727 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
728 path = (sh_path_t *)shape; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
729 user_args = (co_aix *)(path->user_data + path->cmd_len); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
730 dev_args = (co_aix *)(path->dev_data + path->cmd_len); |
12 | 731 arg_len = path->arg_len; |
732 for(i = 0; i < arg_len; i += 2) { | |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
733 dev_args[0] = *user_args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
734 dev_args[1] = *user_args++; |
12 | 735 coord_trans_pos(shape->coord, dev_args, dev_args + 1); |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
736 dev_args += 2; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
737 } |
12 | 738 |
739 if(path->shape.geo) { | |
740 poses = (co_aix (*)[2])(path->dev_data + path->cmd_len); | |
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
741 geo_from_positions(path->shape.geo, arg_len / 2, poses); |
26
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
22
diff
changeset
|
742 area = shape->geo->cur_area; |
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
22
diff
changeset
|
743 area->x -= shape->stroke_width/2 + 1; |
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
22
diff
changeset
|
744 area->y -= shape->stroke_width/2 + 1; |
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
22
diff
changeset
|
745 area->w += shape->stroke_width + 2; |
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
22
diff
changeset
|
746 area->h += shape->stroke_width + 2; |
12 | 747 } |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
748 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
749 |
22 | 750 static void sh_path_path(shape_t *shape, cairo_t *cr) { |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
751 sh_path_t *path; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
752 int cmd_len; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
753 char *cmds, cmd; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
754 const co_aix *args; |
98
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
755 const int *fix_args; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
756 co_aix x, y, x1, y1, x2, y2; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
757 int i; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
758 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
759 ASSERT(shape->type == SHT_PATH); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
760 |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
761 path = (sh_path_t *)shape; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
762 cmd_len = path->cmd_len; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
763 cmds = path->dev_data; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
764 args = (co_aix *)(cmds + cmd_len); |
98
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
changeset
|
765 fix_args = (int *)(cmds + cmd_len + path->arg_len * sizeof(co_aix)); |
15
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
12
diff
changeset
|
766 x = y = x1 = y1 = x2 = y2 = 0; |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
767 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
|
768 /* 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
|
769 * to absoluted form. |
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
770 */ |
5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
771 cmd = *cmds++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
772 switch(cmd) { |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
773 case 'M': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
774 x = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
775 y = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
776 cairo_move_to(cr, x, y); |
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 case 'L': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
779 x = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
780 y = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
781 cairo_line_to(cr, x, y); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
782 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
783 case 'C': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
784 x1 = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
785 y1 = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
786 x2 = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
787 y2 = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
788 x = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
789 y = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
790 cairo_curve_to(cr, x1, y1, x2, y2, x, y); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
791 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
792 case 'S': |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
793 x1 = x + x - x2; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
794 y1 = y + y - y2; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
795 x2 = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
796 y2 = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
797 x = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
798 y = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
799 cairo_curve_to(cr, x1, y1, x2, y2, x, y); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
800 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
801 case 'Q': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
802 x1 = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
803 y1 = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
804 x2 = x1; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
805 y2 = y1; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
806 x = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
807 y = *args++; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
808 cairo_curve_to(cr, x1, y1, x2, y2, x, y); |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
809 break; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
810 case 'T': |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
811 x1 = x + x - x2; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
812 y1 = y + y - y2; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
813 x2 = x1; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
814 y2 = y1; |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
815 x = *args++; |
9c331ec9e210
SVG path is partially supported
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parents:
diff
changeset
|
816 y = *args++; |
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parents:
diff
changeset
|
817 cairo_curve_to(cr, x1, y1, x2, y2, x, y); |
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parents:
diff
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|
818 break; |
97
9453e68092b5
Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
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|
819 case 'A': |
98
688f76b8e71c
Implement arc for path, but it is still under testing
Thinker K.F. Li <thinker@branda.to>
parents:
97
diff
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|
820 sh_path_arc_path(cr, &args, &fix_args); |
97
9453e68092b5
Fix bug of translation relative to absolute points
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parents:
96
diff
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|
821 break; |
5
9c331ec9e210
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parents:
diff
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|
822 case 'Z': |
9c331ec9e210
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|
823 cairo_close_path(cr); |
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parents:
diff
changeset
|
824 break; |
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parents:
diff
changeset
|
825 case '\x0': |
8 | 826 i = cmd_len; /* padding! Skip remain ones. */ |
5
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parents:
diff
changeset
|
827 break; |
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
828 } |
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
829 } |
22 | 830 } |
6
772511b8b9be
Cairo specify RGB values in range 0.0 ~ 1.0.
Thinker K.F. Li <thinker@branda.to>
parents:
5
diff
changeset
|
831 |
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
|
832 void sh_path_draw(shape_t *shape, cairo_t *cr) { |
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
26
diff
changeset
|
833 sh_path_path(shape, cr); |
e06a4a667ce2
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Thinker K.F. Li <thinker@branda.to>
parents:
26
diff
changeset
|
834 } |
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
26
diff
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|
835 |
5
9c331ec9e210
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|
836 #ifdef UNITTEST |
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parents:
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|
837 |
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parents:
diff
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|
838 #include <CUnit/Basic.h> |
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parents:
diff
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|
839 |
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parents:
diff
changeset
|
840 void test_sh_path_new(void) { |
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
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|
841 sh_path_t *path; |
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
842 co_aix *args; |
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SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
843 |
97
9453e68092b5
Fix bug of translation relative to absolute points
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parents:
96
diff
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|
844 path = (sh_path_t *)sh_path_new("M 33 25l33 55c 33 87 44 22 55 99L33 77z"); |
5
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parents:
diff
changeset
|
845 CU_ASSERT(path != NULL); |
10 | 846 CU_ASSERT(path->cmd_len == ((5 + RESERVED_AIXS + 3) & ~0x3)); |
5
9c331ec9e210
SVG path is partially supported
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parents:
diff
changeset
|
847 CU_ASSERT(path->arg_len == 12); |
9 | 848 CU_ASSERT(strcmp(path->user_data, "MLCLZ") == 0); |
849 CU_ASSERT(strcmp(path->dev_data, "MLCLZ") == 0); | |
5
9c331ec9e210
SVG path is partially supported
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parents:
diff
changeset
|
850 |
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SVG path is partially supported
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parents:
diff
changeset
|
851 args = (co_aix *)(path->user_data + path->cmd_len); |
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parents:
diff
changeset
|
852 CU_ASSERT(args[0] == 33); |
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parents:
diff
changeset
|
853 CU_ASSERT(args[1] == 25); |
9 | 854 CU_ASSERT(args[2] == 66); |
855 CU_ASSERT(args[3] == 80); | |
97
9453e68092b5
Fix bug of translation relative to absolute points
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parents:
96
diff
changeset
|
856 CU_ASSERT(args[4] == 99); |
9453e68092b5
Fix bug of translation relative to absolute points
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parents:
96
diff
changeset
|
857 CU_ASSERT(args[5] == 167); |
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parents:
96
diff
changeset
|
858 CU_ASSERT(args[6] == 110); |
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parents:
96
diff
changeset
|
859 CU_ASSERT(args[7] == 102); |
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Fix bug of translation relative to absolute points
Thinker K.F. Li <thinker@branda.to>
parents:
96
diff
changeset
|
860 CU_ASSERT(args[8] == 121); |
9453e68092b5
Fix bug of translation relative to absolute points
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parents:
96
diff
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|
861 CU_ASSERT(args[9] == 179); |
5
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diff
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|
862 CU_ASSERT(args[10] == 33); |
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parents:
diff
changeset
|
863 CU_ASSERT(args[11] == 77); |
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parents:
diff
changeset
|
864 sh_path_free((shape_t *)path); |
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parents:
diff
changeset
|
865 } |
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parents:
diff
changeset
|
866 |
9c331ec9e210
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parents:
diff
changeset
|
867 void test_path_transform(void) { |
9c331ec9e210
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parents:
diff
changeset
|
868 sh_path_t *path; |
9c331ec9e210
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parents:
diff
changeset
|
869 co_aix *args; |
9c331ec9e210
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parents:
diff
changeset
|
870 coord_t coord; |
12 | 871 geo_t geo; |
5
9c331ec9e210
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parents:
diff
changeset
|
872 |
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parents:
diff
changeset
|
873 path = (sh_path_t *)sh_path_new("M 33 25l33 55C 33 87 44 22 55 99L33 77z"); |
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parents:
diff
changeset
|
874 CU_ASSERT(path != NULL); |
10 | 875 CU_ASSERT(path->cmd_len == ((5 + RESERVED_AIXS + 3) & ~0x3)); |
5
9c331ec9e210
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parents:
diff
changeset
|
876 CU_ASSERT(path->arg_len == 12); |
9 | 877 CU_ASSERT(strcmp(path->user_data, "MLCLZ") == 0); |
878 CU_ASSERT(strcmp(path->dev_data, "MLCLZ") == 0); | |
5
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SVG path is partially supported
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parents:
diff
changeset
|
879 |
73
9ab15ebc9061
Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents:
58
diff
changeset
|
880 geo_init(&geo); |
12 | 881 path->shape.geo = &geo; |
882 geo.shape = (shape_t *)path; | |
883 | |
5
9c331ec9e210
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parents:
diff
changeset
|
884 coord.aggr_matrix[0] = 1; |
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parents:
diff
changeset
|
885 coord.aggr_matrix[1] = 0; |
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parents:
diff
changeset
|
886 coord.aggr_matrix[2] = 1; |
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parents:
diff
changeset
|
887 coord.aggr_matrix[3] = 0; |
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parents:
diff
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|
888 coord.aggr_matrix[4] = 2; |
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parents:
diff
changeset
|
889 coord.aggr_matrix[5] = 0; |
12 | 890 path->shape.coord = &coord; |
891 sh_path_transform((shape_t *)path); | |
5
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parents:
diff
changeset
|
892 |
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parents:
diff
changeset
|
893 args = (co_aix *)(path->dev_data + path->cmd_len); |
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SVG path is partially supported
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parents:
diff
changeset
|
894 CU_ASSERT(args[0] == 34); |
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parents:
diff
changeset
|
895 CU_ASSERT(args[1] == 50); |
9 | 896 CU_ASSERT(args[2] == 67); |
897 CU_ASSERT(args[3] == 160); | |
5
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parents:
diff
changeset
|
898 CU_ASSERT(args[4] == 34); |
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
899 CU_ASSERT(args[5] == 174); |
9c331ec9e210
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parents:
diff
changeset
|
900 CU_ASSERT(args[6] == 45); |
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
901 CU_ASSERT(args[7] == 44); |
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parents:
diff
changeset
|
902 CU_ASSERT(args[8] == 56); |
9c331ec9e210
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parents:
diff
changeset
|
903 CU_ASSERT(args[9] == 198); |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
904 CU_ASSERT(args[10] == 34); |
9c331ec9e210
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
905 CU_ASSERT(args[11] == 154); |
12 | 906 |
5
9c331ec9e210
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parents:
diff
changeset
|
907 sh_path_free((shape_t *)path); |
9c331ec9e210
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parents:
diff
changeset
|
908 } |
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
909 |
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
|
910 void test_spaces_head_tail(void) { |
128af06c876c
Fix the bug that data of a path end with white spaces would make system down
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parents:
10
diff
changeset
|
911 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
|
912 |
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
|
913 path = (sh_path_t *) |
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
|
914 sh_path_new(" M 33 25l33 55C 33 87 44 22 55 99L33 77z "); |
128af06c876c
Fix the bug that data of a path end with white spaces would make system down
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parents:
10
diff
changeset
|
915 CU_ASSERT(path != NULL); |
128af06c876c
Fix the bug that data of a path end with white spaces would make system down
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parents:
10
diff
changeset
|
916 sh_path_free((shape_t *)path); |
128af06c876c
Fix the bug that data of a path end with white spaces would make system down
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parents:
10
diff
changeset
|
917 } |
128af06c876c
Fix the bug that data of a path end with white spaces would make system down
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parents:
10
diff
changeset
|
918 |
5
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parents:
diff
changeset
|
919 CU_pSuite get_shape_path_suite(void) { |
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parents:
diff
changeset
|
920 CU_pSuite suite; |
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parents:
diff
changeset
|
921 |
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parents:
diff
changeset
|
922 suite = CU_add_suite("Suite_shape_path", NULL, NULL); |
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parents:
diff
changeset
|
923 CU_ADD_TEST(suite, test_sh_path_new); |
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parents:
diff
changeset
|
924 CU_ADD_TEST(suite, test_path_transform); |
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parents:
diff
changeset
|
925 |
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parents:
diff
changeset
|
926 return suite; |
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
927 } |
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Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
928 |
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parents:
diff
changeset
|
929 #endif /* UNITTEST */ |