Optimized StretchDIBits to call SetDIBitsToDevice (when src & dst

dimensions are equal).
This commit is contained in:
Eric Pouech 1999-10-13 15:40:17 +00:00 committed by Alexandre Julliard
parent 73077e3d61
commit 2818a67635

View File

@ -135,8 +135,15 @@ INT WINAPI StretchDIBits(HDC hdc, INT xDst, INT yDst, INT widthDst,
const BITMAPINFO *info, UINT wUsage, DWORD dwRop ) const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
{ {
DC *dc = DC_GetDCPtr( hdc ); DC *dc = DC_GetDCPtr( hdc );
if(!dc) return FALSE; if(!dc) return FALSE;
if (widthDst == widthSrc && heightDst == heightSrc && dwRop == SRCCOPY) {
return SetDIBitsToDevice( hdc, xDst, yDst, widthDst, heightDst,
xSrc, ySrc, 0, info->bmiHeader.biHeight,
bits, info, 0/*FIXME coloruse*/ );
}
if(dc->funcs->pStretchDIBits) if(dc->funcs->pStretchDIBits)
return dc->funcs->pStretchDIBits(dc, xDst, yDst, widthDst, return dc->funcs->pStretchDIBits(dc, xDst, yDst, widthDst,
heightDst, xSrc, ySrc, widthSrc, heightDst, xSrc, ySrc, widthSrc,
@ -157,10 +164,9 @@ INT WINAPI StretchDIBits(HDC hdc, INT xDst, INT yDst, INT widthDst,
SelectObject( hdcMem, hOldBitmap ); SelectObject( hdcMem, hOldBitmap );
DeleteDC( hdcMem ); DeleteDC( hdcMem );
DeleteObject( hBitmap ); DeleteObject( hBitmap );
}
return heightSrc; return heightSrc;
} }
}
/*********************************************************************** /***********************************************************************
* SetDIBits16 (GDI.440) * SetDIBits16 (GDI.440)