Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-08-07 19:58:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

- Use NtGdiBitBlt in NtGdiStretchDIBits if source and destination dimensions are equal.

Browse source 
svn path=/trunk/; revision=9396
This commit is contained in:
Filip Navara 2004-05-15 11:20:38 +00:00
parent 39fee6b8c7
commit 4e81b67c89
1 changed files with 16 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
reactos/subsys/win32k/objects/dib.c
View file

@ -1,5 +1,5 @@
/*
* $Id: dib.c,v 1.47 2004/05/15 08:52:25 navaraf Exp $
* $Id: dib.c,v 1.48 2004/05/15 11:20:38 navaraf Exp $
*
* ReactOS W32 Subsystem
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
@ -810,9 +810,13 @@ INT STDCALL NtGdiStretchDIBits(HDC hDC,
BitsInfo->bmiHeader.biCompression == BI_RLE8)
{
/* copy existing bitmap from destination dc */
NtGdiStretchBlt(hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
SrcWidth, SrcHeight, hDC, XDest, YDest, DestWidth, DestHeight,
ROP);
if (SrcWidth == DestWidth && SrcHeight == DestHeight)
NtGdiBitBlt(hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
SrcWidth, SrcHeight, hDC, XDest, YDest, ROP);
else
NtGdiStretchBlt(hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
SrcWidth, SrcHeight, hDC, XDest, YDest, DestWidth, DestHeight,
ROP);
}
NtGdiSetDIBits(hdcMem, hBitmap, 0, BitsInfo->bmiHeader.biHeight, Bits,
@ -820,9 +824,14 @@ INT STDCALL NtGdiStretchDIBits(HDC hDC,
/* Origin for DIBitmap may be bottom left (positive biHeight) or top
left (negative biHeight) */
NtGdiStretchBlt(hDC, XDest, YDest, DestWidth, DestHeight,
hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
SrcWidth, SrcHeight, ROP);
if (SrcWidth == DestWidth && SrcHeight == DestHeight)
NtGdiBitBlt(hDC, XDest, YDest, DestWidth, DestHeight,
hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
ROP);
else
NtGdiStretchBlt(hDC, XDest, YDest, DestWidth, DestHeight,
hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
SrcWidth, SrcHeight, ROP);
NtGdiSelectObject(hdcMem, hOldBitmap);
NtGdiDeleteDC(hdcMem);