Sweden-Number/graphics/bitblt.c

136 lines
4.5 KiB
C

/*
* GDI bit-blit operations
*
* Copyright 1993, 1994 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "gdi.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(bitblt);
/***********************************************************************
* PatBlt (GDI32.@)
*/
BOOL WINAPI PatBlt( HDC hdc, INT left, INT top,
INT width, INT height, DWORD rop)
{
DC * dc = DC_GetDCUpdate( hdc );
BOOL bRet = FALSE;
if (!dc) return FALSE;
if (dc->funcs->pPatBlt)
{
TRACE("%p %d,%d %dx%d %06lx\n", hdc, left, top, width, height, rop );
bRet = dc->funcs->pPatBlt( dc->physDev, left, top, width, height, rop );
}
GDI_ReleaseObj( hdc );
return bRet;
}
/***********************************************************************
* BitBlt (GDI32.@)
*/
BOOL WINAPI BitBlt( HDC hdcDst, INT xDst, INT yDst, INT width,
INT height, HDC hdcSrc, INT xSrc, INT ySrc, DWORD rop )
{
BOOL ret = FALSE;
DC *dcDst, *dcSrc;
if ((dcSrc = DC_GetDCUpdate( hdcSrc ))) GDI_ReleaseObj( hdcSrc );
/* FIXME: there is a race condition here */
if ((dcDst = DC_GetDCUpdate( hdcDst )))
{
dcSrc = DC_GetDCPtr( hdcSrc );
TRACE("hdcSrc=%p %d,%d %d bpp->hdcDest=%p %d,%d %dx%dx%d rop=%06lx\n",
hdcSrc, xSrc, ySrc, dcSrc ? dcSrc->bitsPerPixel : 0,
hdcDst, xDst, yDst, width, height, dcDst->bitsPerPixel, rop);
if (dcDst->funcs->pBitBlt)
ret = dcDst->funcs->pBitBlt( dcDst->physDev, xDst, yDst, width, height,
dcSrc ? dcSrc->physDev : NULL, xSrc, ySrc, rop );
if (dcSrc) GDI_ReleaseObj( hdcSrc );
GDI_ReleaseObj( hdcDst );
}
return ret;
}
/***********************************************************************
* StretchBlt (GDI32.@)
*/
BOOL WINAPI StretchBlt( HDC hdcDst, INT xDst, INT yDst,
INT widthDst, INT heightDst,
HDC hdcSrc, INT xSrc, INT ySrc,
INT widthSrc, INT heightSrc,
DWORD rop )
{
BOOL ret = FALSE;
DC *dcDst, *dcSrc;
if ((dcSrc = DC_GetDCUpdate( hdcSrc ))) GDI_ReleaseObj( hdcSrc );
/* FIXME: there is a race condition here */
if ((dcDst = DC_GetDCUpdate( hdcDst )))
{
dcSrc = DC_GetDCPtr( hdcSrc );
TRACE("%p %d,%d %dx%dx%d -> %p %d,%d %dx%dx%d rop=%06lx\n",
hdcSrc, xSrc, ySrc, widthSrc, heightSrc,
dcSrc ? dcSrc->bitsPerPixel : 0, hdcDst, xDst, yDst,
widthDst, heightDst, dcDst->bitsPerPixel, rop );
if (dcSrc) {
if (dcDst->funcs->pStretchBlt)
ret = dcDst->funcs->pStretchBlt( dcDst->physDev, xDst, yDst, widthDst, heightDst,
dcSrc->physDev, xSrc, ySrc, widthSrc, heightSrc,
rop );
GDI_ReleaseObj( hdcSrc );
}
GDI_ReleaseObj( hdcDst );
}
return ret;
}
/***********************************************************************
* MaskBlt [GDI32.@]
*/
BOOL WINAPI MaskBlt(HDC hdcDest, INT nXDest, INT nYDest,
INT nWidth, INT nHeight, HDC hdcSource,
INT nXSrc, INT nYSrc, HBITMAP hbmMask,
INT xMask, INT yMask, DWORD dwRop)
{
FIXME("(%p,%d,%d,%d,%d,%p,%d,%d,%p,%d,%d,%ld): stub\n",
hdcDest,nXDest,nYDest,nWidth,nHeight,hdcSource,nXSrc,nYSrc,
hbmMask,xMask,yMask,dwRop);
return 1;
}
/*********************************************************************
* PlgBlt [GDI32.@]
*
*/
BOOL WINAPI PlgBlt( HDC hdcDest, const POINT *lpPoint,
HDC hdcSrc, INT nXDest, INT nYDest, INT nWidth,
INT nHeight, HBITMAP hbmMask, INT xMask, INT yMask)
{
FIXME("PlgBlt, stub\n");
return 1;
}