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

   1 /*
   2  * PROJECT:         ReactOS VGA display driver
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            drivers/video/displays/vga/objects/copybits.c
   5  * PURPOSE:
   6  * PROGRAMMERS:
   7  */
   8
   9 #include <vgaddi.h>
  10
  11 BOOL APIENTRY
  12 DrvCopyBits(
  13     OUT SURFOBJ*  DestObj,
  14     IN  SURFOBJ*  SourceObj,
  15     IN  CLIPOBJ*  ClipObj,
  16     IN  XLATEOBJ* XLateObj,
  17     IN  RECTL*    DestRectL,
  18     IN  POINTL*   SrcPointL)
  19 {
  20     BOOL Done = FALSE;
  21
  22     if (STYPE_BITMAP == DestObj->iType && BMF_4BPP == DestObj->iBitmapFormat &&
  23         STYPE_DEVICE == SourceObj->iType)
  24     {
  25         /* Screen to 4 BPP DIB */
  26         DIB_BltFromVGA(SrcPointL->x, SrcPointL->y,
  27                        DestRectL->right - DestRectL->left,
  28                        DestRectL->bottom - DestRectL->top,
  29                        DestObj->pvScan0, DestObj->lDelta);
  30         Done = TRUE;
  31     }
  32     else if (STYPE_DEVICE == DestObj->iType &&
  33              STYPE_BITMAP == SourceObj->iType && BMF_4BPP == SourceObj->iBitmapFormat)
  34     {
  35         /* 4 BPP DIB to Screen */
  36         DIB_BltToVGA(DestRectL->left, DestRectL->top,
  37                      DestRectL->right - DestRectL->left,
  38                      DestRectL->bottom - DestRectL->top,
  39                      SourceObj->pvScan0, SourceObj->lDelta,
  40                      0);
  41         Done = TRUE;
  42     }
  43
  44     return Done;
  45 }