reactos/drivers/video/displays/vga/objects/transblt.c

   1 #include "../vgaddi.h"
   2 #include "../vgavideo/vgavideo.h"
   3 #include "brush.h"
   4 #include "bitblt.h"
   5
   6 #define NDEBUG
   7 #include <debug.h>
   8
   9 BOOL STDCALL
  10 DrvTransparentBlt(SURFOBJ* Dest,
  11                   SURFOBJ* Source,
  12                   CLIPOBJ* Clip,
  13                   XLATEOBJ* ColorTranslation,
  14                   RECTL* DestRect,
  15                   RECTL* SourceRect,
  16                   ULONG TransparentColor,
  17                   ULONG Reserved)
  18 {
  19   LONG dx, dy, sx, sy;
  20
  21   dx = abs(DestRect->right  - DestRect->left);
  22   dy = abs(DestRect->bottom - DestRect->top);
  23
  24   sx = abs(SourceRect->right  - SourceRect->left);
  25   sy = abs(SourceRect->bottom - SourceRect->top);
  26
  27   if(sx<dx) dx = sx;
  28   if(sy<dy) dy = sy;
  29
  30   // FIXME: adjust using SourceRect
  31   DIB_TransparentBltToVGA(DestRect->left, DestRect->top, dx, dy, Source->pvScan0, Source->lDelta, TransparentColor);
  32
  33   return TRUE;
  34 }