ref: d0ab3a0dd8f6355b3603d0fb04043a9ae867639b
dir: /libfreetype/test_bbox.c/
#include <ft2build.h> #include FT_FREETYPE_H #include FT_BBOX_H #include <time.h> /* for clock() */ /* SunOS 4.1.* does not define CLOCKS_PER_SEC, so include <sys/param.h> */ /* to get the HZ macro which is the equivalent. */ #if defined(__sun__) && !defined(SVR4) && !defined(__SVR4) #include <sys/param.h> #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; }