dlls/winedib.drv/bitblt.c

   1 /*
   2  * DIBDRV bit-blit operations
   3  *
   4  * Copyright 2007 Jesse Allen
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wine/debug.h"
  27
  28 #include "dibdrv.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(dibdrv);
  31
  32 /***********************************************************************
  33  *           DIBDRV_StretchBlt
  34  */
  35 BOOL DIBDRV_StretchBlt( DIBDRVPHYSDEV *physDevDst, INT xDst, INT yDst,
  36                         INT widthDst, INT heightDst,
  37                         DIBDRVPHYSDEV *physDevSrc, INT xSrc, INT ySrc,
  38                         INT widthSrc, INT heightSrc, DWORD rop )
  39 {
  40     INT i, min_width, min_height;
  41     TRACE("stub %p %d %d %d %d %p %d %d %d %d %d\n", physDevDst, xDst, yDst, widthDst, heightDst,
  42           physDevSrc, xSrc, ySrc, widthSrc, heightSrc, rop);
  43     min_width = physDevDst->bmp->width - yDst < physDevSrc->bmp->width - ySrc ?
  44                 physDevDst->bmp->width - yDst : physDevSrc->bmp->width - ySrc;
  45     min_height = physDevDst->bmp->height - xDst < physDevSrc->bmp->height - xSrc ?
  46                  physDevDst->bmp->height - xDst : physDevSrc->bmp->height - xSrc;
  47     /* copy a scanline at a time */
  48     for (i = 0; i < min_height; i++)
  49     {
  50         physDevDst->funcs->MoveXY( physDevDst->bmp, xDst, i + yDst );
  51         physDevSrc->funcs->MoveXY( physDevSrc->bmp, xSrc, i + ySrc );
  52         physDevDst->funcs->Copy( physDevDst->bmp, physDevSrc->bmp, min_width, physDevSrc->convs );
  53     }
  54     return TRUE;
  55 }
  56
  57 /***********************************************************************
  58  *           DIBDRV_AlphaBlend
  59  */
  60 BOOL DIBDRV_AlphaBlend( DIBDRVPHYSDEV *devDst, INT xDst, INT yDst, INT widthDst, INT heightDst,
  61                         DIBDRVPHYSDEV *devSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc,
  62                         BLENDFUNCTION blendfn)
  63 {
  64     FIXME("stub\n");
  65     return TRUE;
  66 }
  67
  68 /***********************************************************************
  69  *           DIBDRV_BitBlt
  70  */
  71 BOOL DIBDRV_BitBlt( DIBDRVPHYSDEV *physDevDst, INT xDst, INT yDst,
  72                     INT width, INT height, DIBDRVPHYSDEV *physDevSrc,
  73                     INT xSrc, INT ySrc, DWORD rop )
  74 {
  75     TRACE("stub %p %d %d %d %d %p %d %d %u\n", physDevDst, xDst, yDst, width, height, physDevSrc,
  76           xSrc, ySrc, rop);
  77     return DIBDRV_StretchBlt( physDevDst, xDst, yDst, width, height, physDevSrc, xSrc, ySrc,
  78                               width, height, rop );
  79 }
  80
  81 /***********************************************************************
  82  *           DIBDRV_PatBlt
  83  */
  84 BOOL DIBDRV_PatBlt( DIBDRVPHYSDEV *physDev, INT left, INT top, INT width, INT height, DWORD rop )
  85 {
  86     FIXME("stub\n");
  87     return TRUE;
  88 }