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annotate test/automated/rect/rect.c @ 4593:3892fe2f6537

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Fixed so many things. See the changelog listed below. 1. Use SDL_X11_HAVE_XRENDER to check for RENDER at runtime. 2. Added lots of comments. 3. Added checks and lots of calls to SDL_SetError(). 4. Fixed X11_CreateTexture() so that the pixmap and image created are for the format specified by the user and not the window format. This is only for the RENDER case. 5. The above change required that functions to convert SDL pixel format enums to Visuals and XRenderPictFormats be added. 6. Fixed lots of 'style' issues.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Sat, 17 Jul 2010 15:38:24 +0530
parents 0c429a5fda8a
children
rev   line source
3541
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
Sam Lantinga <slouken@libsdl.org>
parents:
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1 /**
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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2 * Automated SDL rect test.
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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3 *
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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4 * Written by Edgar Simo "bobbens"
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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5 *
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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6 * Released under Public Domain.
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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7 */
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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8
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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9
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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10
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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11
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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12 #include "SDL_rect.h"
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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13 #include "../SDL_at.h"
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14
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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15
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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16 /*
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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17 * Prototypes.
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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18 */
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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19 static void rect_testIntersectRectAndLine (void);
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20
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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21
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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22 /**
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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23 * @brief Tests SDL_IntersectRectAndLine()
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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24 */
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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25 static void rect_testIntersectRectAndLine (void)
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26 {
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27 SDL_Rect rect = { 0, 0, 32, 32 };
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28 int x1, y1;
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29 int x2, y2;
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30 SDL_bool clipped;
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31
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32 SDL_ATbegin( "IntersectRectAndLine" );
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33
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34 x1 = -10;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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35 y1 = 0;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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36 x2 = -10;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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37 y2 = 31;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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38 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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39 SDL_ATvassert( !clipped &&
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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40 x1 == -10 && y1 == 0 && x2 == -10 && y2 == 31,
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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41 "line outside to the left was incorrectly clipped: %d,%d - %d,%d",
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42 x1, y1, x2, y2);
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43
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44 x1 = 40;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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45 y1 = 0;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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46 x2 = 40;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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47 y2 = 31;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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48 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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49 SDL_ATvassert( !clipped &&
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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50 x1 == 40 && y1 == 0 && x2 == 40 && y2 == 31,
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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51 "line outside to the right was incorrectly clipped: %d,%d - %d,%d",
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52 x1, y1, x2, y2);
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53
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54 x1 = 0;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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55 y1 = -10;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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56 x2 = 31;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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57 y2 = -10;
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58 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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59 SDL_ATvassert( !clipped &&
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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60 x1 == 0 && y1 == -10 && x2 == 31 && y2 == -10,
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61 "line outside above was incorrectly clipped: %d,%d - %d,%d",
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62 x1, y1, x2, y2);
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63
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64 x1 = 0;
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65 y1 = 40;
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66 x2 = 31;
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67 y2 = 40;
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68 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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69 SDL_ATvassert( !clipped &&
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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70 x1 == 0 && y1 == 40 && x2 == 31 && y2 == 40,
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71 "line outside below was incorrectly clipped: %d,%d - %d,%d",
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72 x1, y1, x2, y2);
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73
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74 x1 = 0;
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75 y1 = 0;
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76 x2 = 31;
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77 y2 = 31;
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78 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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79 SDL_ATvassert( clipped &&
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80 x1 == 0 && y1 == 0 && x2 == 31 && y2 == 31,
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81 "line fully inside rect was clipped: %d,%d - %d,%d",
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82 x1, y1, x2, y2);
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83
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84 x1 = -10;
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85 y1 = 15;
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86 x2 = 40;
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87 y2 = 15;
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88 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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89 SDL_ATvassert( clipped &&
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90 x1 == 0 && y1 == 15 && x2 == 31 && y2 == 15,
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91 "horizontal line rect was incorrectly clipped: %d,%d - %d,%d",
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92 x1, y1, x2, y2);
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93
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94 x1 = -32;
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95 y1 = -32;
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96 x2 = 63;
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97 y2 = 63;
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98 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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99 SDL_ATvassert( clipped &&
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100 x1 == 0 && y1 == 0 && x2 == 31 && y2 == 31,
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101 "diagonal line to lower right was incorrectly clipped: %d,%d - %d,%d",
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102 x1, y1, x2, y2);
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103
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104 x1 = 63;
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105 y1 = 63;
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106 x2 = -32;
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107 y2 = -32;
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108 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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109 SDL_ATvassert( clipped &&
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110 x1 == 31 && y1 == 31 && x2 == 0 && y2 == 0,
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111 "diagonal line to upper left was incorrectly clipped: %d,%d - %d,%d",
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112 x1, y1, x2, y2);
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113
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114 x1 = 63;
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115 y1 = -32;
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116 x2 = -32;
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117 y2 = 63;
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118 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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119 SDL_ATvassert( clipped &&
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120 x1 == 31 && y1 == 0 && x2 == 0 && y2 == 31,
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121 "diagonal line to lower left was incorrectly clipped: %d,%d - %d,%d",
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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122 x1, y1, x2, y2);
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123
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124 x1 = -32;
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125 y1 = 63;
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126 x2 = 63;
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127 y2 = -32;
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128 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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129 SDL_ATvassert( clipped &&
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130 x1 == 0 && y1 == 31 && x2 == 31 && y2 == 0,
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131 "diagonal line to upper right was incorrectly clipped: %d,%d - %d,%d",
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132 x1, y1, x2, y2);
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133
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134 SDL_ATend();
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135 }
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136
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137
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138 /**
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139 * @brief Rect test entrypoint.
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140 */
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141 #ifdef TEST_STANDALONE
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142 int main( int argc, const char *argv[] )
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143 {
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144 (void) argc;
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145 (void) argv;
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146 #else /* TEST_STANDALONE */
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147 int test_rect (void)
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148 {
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149 #endif /* TEST_STANDALONE */
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150
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151 SDL_ATinit( "Rect" );
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152
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153 rect_testIntersectRectAndLine();
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154
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155 return SDL_ATfinish();
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156 }