test/image/clip-change.c

   1 /* gcc `pkg-config --libs --cflags libming` clip-change.c -o clip-change && ./clip-change
   2  */
   3
   4 #include <ming.h>
   5
   6 static SWFBlock
   7 get_rectangle (int r, int g, int b)
   8 {
   9   SWFShape shape;
  10   SWFFillStyle fill;
  11
  12   shape = newSWFShape ();
  13   fill = SWFShape_addSolidFillStyle (shape, r, g, b, 255);
  14   SWFShape_setRightFillStyle (shape, fill);
  15   SWFShape_drawLineTo (shape, 100, 0);
  16   SWFShape_drawLineTo (shape, 100, 100);
  17   SWFShape_drawLineTo (shape, 0, 100);
  18   SWFShape_drawLineTo (shape, 0, 0);
  19
  20   return (SWFBlock) shape;
  21 }
  22
  23 static void
  24 do_movie (int version, int reverse)
  25 {
  26   const char *suffixes[4] = { "forward", "backward", "remove", "set" };
  27   char name[100];
  28   SWFMovie movie;
  29   SWFDisplayItem item, clip;
  30
  31   movie = newSWFMovieWithVersion (version);
  32   SWFMovie_setRate (movie, 1);
  33   SWFMovie_setDimension (movie, 200, 150);
  34
  35   clip = SWFMovie_add (movie, get_rectangle (255, 0, 0));
  36   SWFDisplayItem_setDepth (clip, 0);
  37   if (reverse != 3)
  38     SWFDisplayItem_setMaskLevel (clip, (reverse & 1) ? 3 : 2);
  39
  40   item = SWFMovie_add (movie, get_rectangle (0, 255, 0));
  41   SWFDisplayItem_moveTo (item, 0, 50);
  42   SWFDisplayItem_setDepth (item, 2);
  43
  44   item = SWFMovie_add (movie, get_rectangle (0, 0, 255));
  45   SWFDisplayItem_moveTo (item, 50, 0);
  46   SWFDisplayItem_setDepth (item, 3);
  47
  48   SWFMovie_nextFrame (movie);
  49   if (reverse != 2)
  50     SWFDisplayItem_setMaskLevel (clip, (reverse & 1) ? 2 : 3);
  51   else
  52     SWFDisplayItem_setMaskLevel (clip, 0);
  53   SWFMovie_nextFrame (movie);
  54
  55   sprintf (name, "clip-change-%s-%d.swf", suffixes[reverse], version);
  56   SWFMovie_save (movie, name);
  57 }
  58
  59 int
  60 main (int argc, char **argv)
  61 {
  62   int i;
  63
  64   if (Ming_init ())
  65     return 1;
  66
  67   for (i = 8; i >= 5; i--) {
  68     do_movie (i, 0);
  69     do_movie (i, 1);
  70     do_movie (i, 2);
  71     do_movie (i, 3);
  72   }
  73
  74   return 0;
  75 }