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path: root/src/3rdparty/freetype/src/tools/test_bbox.c
blob: e085c5b3d6ce6a125186b1974e07046351e87037 (plain)
 ```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 ``` ``````#include #include FT_FREETYPE_H #include FT_BBOX_H #include /* for clock() */ /* SunOS 4.1.* does not define CLOCKS_PER_SEC, so include */ /* to get the HZ macro which is the equivalent. */ #if defined(__sun__) && !defined(SVR4) && !defined(__SVR4) #include #define CLOCKS_PER_SEC HZ #endif static long get_time( void ) { return clock() * 10000L / CLOCKS_PER_SEC; } /* test bbox computations */ #define XSCALE 65536 #define XX(x) ((FT_Pos)(x*XSCALE)) #define XVEC(x,y) { XX(x), XX(y) } #define XVAL(x) ((x)/(1.0*XSCALE)) /* dummy outline #1 */ static FT_Vector dummy_vec_1[4] = { #if 1 XVEC( 408.9111, 535.3164 ), XVEC( 455.8887, 634.396 ), XVEC( -37.8765, 786.2207 ), XVEC( 164.6074, 535.3164 ) #else { (FT_Int32)0x0198E93DL , (FT_Int32)0x021750FFL }, /* 408.9111, 535.3164 */ { (FT_Int32)0x01C7E312L , (FT_Int32)0x027A6560L }, /* 455.8887, 634.3960 */ { (FT_Int32)0xFFDA1F9EL , (FT_Int32)0x0312387FL }, /* -37.8765, 786.2207 */ { (FT_Int32)0x00A49B7EL , (FT_Int32)0x021750FFL } /* 164.6074, 535.3164 */ #endif }; static char dummy_tag_1[4] = { FT_CURVE_TAG_ON, FT_CURVE_TAG_CUBIC, FT_CURVE_TAG_CUBIC, FT_CURVE_TAG_ON }; static short dummy_contour_1[1] = { 3 }; static FT_Outline dummy_outline_1 = { 1, 4, dummy_vec_1, dummy_tag_1, dummy_contour_1, 0 }; /* dummy outline #2 */ static FT_Vector dummy_vec_2[4] = { XVEC( 100.0, 100.0 ), XVEC( 100.0, 200.0 ), XVEC( 200.0, 200.0 ), XVEC( 200.0, 133.0 ) }; static FT_Outline dummy_outline_2 = { 1, 4, dummy_vec_2, dummy_tag_1, dummy_contour_1, 0 }; static void dump_outline( FT_Outline* outline ) { FT_BBox bbox; /* compute and display cbox */ FT_Outline_Get_CBox( outline, &bbox ); printf( "cbox = [%.2f %.2f %.2f %.2f]\n", XVAL( bbox.xMin ), XVAL( bbox.yMin ), XVAL( bbox.xMax ), XVAL( bbox.yMax ) ); /* compute and display bbox */ FT_Outline_Get_BBox( outline, &bbox ); printf( "bbox = [%.2f %.2f %.2f %.2f]\n", XVAL( bbox.xMin ), XVAL( bbox.yMin ), XVAL( bbox.xMax ), XVAL( bbox.yMax ) ); } static void profile_outline( FT_Outline* outline, long repeat ) { FT_BBox bbox; long count; long time0; time0 = get_time(); for ( count = repeat; count > 0; count-- ) FT_Outline_Get_CBox( outline, &bbox ); time0 = get_time() - time0; printf( "time = %5.2f cbox = [%.2f %.2f %.2f %.2f]\n", ((double)time0/10000.0), XVAL( bbox.xMin ), XVAL( bbox.yMin ), XVAL( bbox.xMax ), XVAL( bbox.yMax ) ); time0 = get_time(); for ( count = repeat; count > 0; count-- ) FT_Outline_Get_BBox( outline, &bbox ); time0 = get_time() - time0; printf( "time = %5.2f bbox = [%.2f %.2f %.2f %.2f]\n", ((double)time0/10000.0), XVAL( bbox.xMin ), XVAL( bbox.yMin ), XVAL( bbox.xMax ), XVAL( bbox.yMax ) ); } #define REPEAT 100000L int main( int argc, char** argv ) { printf( "outline #1\n" ); profile_outline( &dummy_outline_1, REPEAT ); printf( "outline #2\n" ); profile_outline( &dummy_outline_2, REPEAT ); return 0; } ``````