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

   1 #include "../vgaddi.h"
   2 #include "../vgavideo/vgavideo.h"
   3 #include <debug.h>
   4
   5 BOOL STDCALL
   6 DrvCopyBits(OUT SURFOBJ*  DestObj,
   7             IN  SURFOBJ*  SourceObj,
   8             IN  CLIPOBJ*  ClipObj,
   9             IN  XLATEOBJ* XLateObj,
  10             IN  RECTL*    DestRectL,
  11             IN  POINTL*   SrcPointL)
  12 {
  13   BOOL Done = FALSE;
  14
  15   if (STYPE_BITMAP == DestObj->iType && BMF_4BPP == DestObj->iBitmapFormat &&
  16       STYPE_DEVICE == SourceObj->iType)
  17     {
  18     /* Screen to 4 BPP DIB */
  19     DIB_BltFromVGA(SrcPointL->x, SrcPointL->y,
  20                    DestRectL->right - DestRectL->left,
  21                    DestRectL->bottom - DestRectL->top,
  22                    DestObj->pvScan0, DestObj->lDelta);
  23     Done = TRUE;
  24     }
  25   else if (STYPE_DEVICE == DestObj->iType &&
  26            STYPE_BITMAP == SourceObj->iType && BMF_4BPP == SourceObj->iBitmapFormat)
  27     {
  28     /* 4 BPP DIB to Screen */
  29     DIB_BltToVGA(DestRectL->left, DestRectL->top,
  30                  DestRectL->right - DestRectL->left,
  31                  DestRectL->bottom - DestRectL->top,
  32                  SourceObj->pvScan0, SourceObj->lDelta,
  33                  0);
  34     Done = TRUE;
  35     }
  36
  37   return Done;
  38 }