workbench/demos/2View/iff.h

   1
   2 /*  Bitmap header chunk (BMHD) structure  */
   3 struct BitMapHeader {
   4         UWORD   w, h;           /*  Width, height in pixels */
   5         WORD    x, y;           /*  x, y position for this bitmap  */
   6         UBYTE   nplanes;        /*  # of planes  */
   7         UBYTE   Masking;
   8         UBYTE   Compression;    /*  Compression flag */
   9         UBYTE   pad1;
  10         UWORD   TransparentColor;
  11         UBYTE   XAspect, YAspect;   /*  Aspect ratios */
  12         WORD    PageWidth, PageHeight;
  13 };
  14
  15 struct SHAM
  16 {
  17    UWORD *colorBuf;
  18 };
  19
  20 /* IFF chunk types */
  21 #define ID_ILBM    MAKE_ID('I', 'L', 'B', 'M')
  22 #define ID_BMHD    MAKE_ID('B', 'M', 'H', 'D')
  23 #define ID_CMAP    MAKE_ID('C', 'M', 'A', 'P')
  24 #define ID_BODY    MAKE_ID('B', 'O', 'D', 'Y')
  25 #define ID_CAMG    MAKE_ID('C', 'A', 'M', 'G')
  26 #define ID_CRNG    MAKE_ID('C', 'R', 'N', 'G')
  27 #define ID_DRNG    MAKE_ID('D', 'R', 'N', 'G')
  28 #define ID_SHAM    MAKE_ID('S', 'H', 'A', 'M')
  29 #define ID_CTBL    MAKE_ID('C', 'T', 'B', 'L')
  30