reactos/lib/3rdparty/freetype/src/tools/test_bbox.c

   1 #include <ft2build.h>
   2 #include FT_FREETYPE_H
   3 #include FT_BBOX_H
   4
   5
   6 #include <time.h>    /* for clock() */
   7
   8 /* SunOS 4.1.* does not define CLOCKS_PER_SEC, so include <sys/param.h> */
   9 /* to get the HZ macro which is the equivalent.                         */
  10 #if defined(__sun__) && !defined(SVR4) && !defined(__SVR4)
  11 #include <sys/param.h>
  12 #define CLOCKS_PER_SEC HZ
  13 #endif
  14
  15   static long
  16   get_time( void )
  17   {
  18     return clock() * 10000L / CLOCKS_PER_SEC;
  19   }
  20
  21
  22
  23
  24   /* test bbox computations */
  25
  26 #define  XSCALE    65536
  27 #define  XX(x)     ((FT_Pos)(x*XSCALE))
  28 #define  XVEC(x,y)  { XX(x), XX(y) }
  29 #define  XVAL(x)   ((x)/(1.0*XSCALE))
  30
  31   /* dummy outline #1 */
  32   static FT_Vector  dummy_vec_1[4] =
  33   {
  34 #if 1
  35     XVEC( 408.9111, 535.3164 ),
  36     XVEC( 455.8887, 634.396  ),
  37     XVEC( -37.8765, 786.2207 ),
  38     XVEC( 164.6074, 535.3164 )
  39 #else
  40     { (FT_Int32)0x0198E93DL , (FT_Int32)0x021750FFL },  /* 408.9111, 535.3164 */
  41     { (FT_Int32)0x01C7E312L , (FT_Int32)0x027A6560L },  /* 455.8887, 634.3960 */
  42     { (FT_Int32)0xFFDA1F9EL , (FT_Int32)0x0312387FL },  /* -37.8765, 786.2207 */
  43     { (FT_Int32)0x00A49B7EL , (FT_Int32)0x021750FFL }   /* 164.6074, 535.3164 */
  44 #endif
  45    };
  46
  47   static char  dummy_tag_1[4] =
  48   {
  49     FT_CURVE_TAG_ON,
  50     FT_CURVE_TAG_CUBIC,
  51     FT_CURVE_TAG_CUBIC,
  52     FT_CURVE_TAG_ON
  53   };
  54
  55   static short  dummy_contour_1[1] =
  56   {
  57     3
  58   };
  59
  60   static FT_Outline  dummy_outline_1 =
  61   {
  62     1,
  63     4,
  64     dummy_vec_1,
  65     dummy_tag_1,
  66     dummy_contour_1,
  67     0
  68   };
  69
  70
  71   /* dummy outline #2 */
  72   static FT_Vector  dummy_vec_2[4] =
  73   {
  74     XVEC( 100.0, 100.0 ),
  75     XVEC( 100.0, 200.0 ),
  76     XVEC( 200.0, 200.0 ),
  77     XVEC( 200.0, 133.0 )
  78   };
  79
  80   static FT_Outline  dummy_outline_2 =
  81   {
  82     1,
  83     4,
  84     dummy_vec_2,
  85     dummy_tag_1,
  86     dummy_contour_1,
  87     0
  88   };
  89
  90
  91   /* dummy outline #3 with bbox of [0 100 128 128] precisely */
  92   static FT_Vector  dummy_vec_3[4] =
  93   {
  94     XVEC( 100.0, 127.0 ),
  95     XVEC( 200.0, 127.0 ),
  96     XVEC(   0.0, 136.0 ),
  97     XVEC(   0.0, 100.0 )
  98   };
  99
 100   static FT_Outline  dummy_outline_3 =
 101   {
 102     1,
 103     4,
 104     dummy_vec_3,
 105     dummy_tag_1,
 106     dummy_contour_1,
 107     0
 108   };
 109
 110
 111   static void
 112   dump_outline( FT_Outline*  outline )
 113   {
 114     FT_BBox  bbox;
 115
 116     /* compute and display cbox */
 117     FT_Outline_Get_CBox( outline, &bbox );
 118     printf( "cbox = [%.2f %.2f %.2f %.2f]\n",
 119              XVAL( bbox.xMin ),
 120              XVAL( bbox.yMin ),
 121              XVAL( bbox.xMax ),
 122              XVAL( bbox.yMax ) );
 123
 124     /* compute and display bbox */
 125     FT_Outline_Get_BBox( outline, &bbox );
 126     printf( "bbox = [%.2f %.2f %.2f %.2f]\n",
 127              XVAL( bbox.xMin ),
 128              XVAL( bbox.yMin ),
 129              XVAL( bbox.xMax ),
 130              XVAL( bbox.yMax ) );
 131   }
 132
 133
 134
 135   static void
 136   profile_outline( FT_Outline*   outline,
 137                    long          repeat )
 138   {
 139     FT_BBox  bbox;
 140     long     count;
 141     long     time0;
 142
 143     time0 = get_time();
 144     for ( count = repeat; count > 0; count-- )
 145       FT_Outline_Get_CBox( outline, &bbox );
 146
 147     time0 = get_time() - time0;
 148     printf( "time = %6.3f cbox = [%8.4f %8.4f %8.4f %8.4f]\n",
 149              ((double)time0/10000.0),
 150              XVAL( bbox.xMin ),
 151              XVAL( bbox.yMin ),
 152              XVAL( bbox.xMax ),
 153              XVAL( bbox.yMax ) );
 154     printf( "cbox_hex = [%08X %08X %08X %08X]\n",
 155              bbox.xMin, bbox.yMin, bbox.xMax, bbox.yMax );
 156
 157
 158     time0 = get_time();
 159     for ( count = repeat; count > 0; count-- )
 160       FT_Outline_Get_BBox( outline, &bbox );
 161
 162     time0 = get_time() - time0;
 163     printf( "time = %6.3f bbox = [%8.4f %8.4f %8.4f %8.4f]\n",
 164              ((double)time0/10000.0),
 165              XVAL( bbox.xMin ),
 166              XVAL( bbox.yMin ),
 167              XVAL( bbox.xMax ),
 168              XVAL( bbox.yMax ) );
 169     printf( "bbox_hex = [%08X %08X %08X %08X]\n",
 170              bbox.xMin, bbox.yMin, bbox.xMax, bbox.yMax );
 171   }
 172
 173 #define REPEAT  1000000L
 174
 175   int  main( int  argc, char**  argv )
 176   {
 177     printf( "outline #1\n" );
 178     profile_outline( &dummy_outline_1, REPEAT );
 179
 180     printf( "outline #2\n" );
 181     profile_outline( &dummy_outline_2, REPEAT );
 182
 183     printf( "outline #3\n" );
 184     profile_outline( &dummy_outline_3, REPEAT );
 185
 186     return 0;
 187   }
 188