drivers/dd/vga/display/objects/copybits.c

   1 #include "../vgaddi.h"
   2 #include "../vgavideo/vgavideo.h"
   3
   4 #define DBG
   5 #include <debug.h>
   6
   7 BOOL STDCALL
   8 DrvCopyBits(OUT PSURFOBJ  DestObj,
   9             IN  PSURFOBJ  SourceObj,
  10             IN  PCLIPOBJ  ClipObj,
  11             IN  PXLATEOBJ XLateObj,
  12             IN  PRECTL    DestRectL,
  13             IN  PPOINTL   SrcPointL)
  14 {
  15   BOOL Done = FALSE;
  16
  17   if (STYPE_BITMAP == DestObj->iType && BMF_4BPP == DestObj->iBitmapFormat &&
  18       STYPE_DEVICE == SourceObj->iType)
  19     {
  20     /* Screen to 4 BPP DIB */
  21     DIB_BltFromVGA(SrcPointL->x, SrcPointL->y,
  22                    DestRectL->right - DestRectL->left,
  23                    DestRectL->bottom - DestRectL->top,
  24                    DestObj->pvScan0, DestObj->lDelta);
  25     Done = TRUE;
  26     }
  27   else if (STYPE_DEVICE == DestObj->iType &&
  28            STYPE_BITMAP == SourceObj->iType && BMF_4BPP == SourceObj->iBitmapFormat)
  29     {
  30     /* 4 BPP DIB to Screen */
  31     DIB_BltToVGA(DestRectL->left, DestRectL->top,
  32                  DestRectL->right - DestRectL->left,
  33                  DestRectL->bottom - DestRectL->top,
  34                  SourceObj->pvScan0, SourceObj->lDelta);
  35     Done = TRUE;
  36     }
  37
  38   return Done;
  39 }