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Fix mono -> color bitblts

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svn path=/trunk/; revision=8345
This commit is contained in:
Gé van Geldorp 2004-02-23 22:44:52 +00:00
parent 60f5689a70
commit d8b7c0ee97
1 changed files with 27 additions and 1 deletions
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28
reactos/subsys/win32k/objects/bitmaps.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: bitmaps.c,v 1.56 2004/02/20 07:45:58 royce Exp $ */
/* $Id: bitmaps.c,v 1.57 2004/02/23 22:44:52 gvg Exp $ */
#undef WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <stdlib.h>
@ -61,6 +61,7 @@ BOOL STDCALL NtGdiBitBlt(HDC hDCDest,
PBRUSHOBJ BrushObj;
BOOL UsesSource = ((ROP & 0xCC0000) >> 2) != (ROP & 0x330000);
BOOL UsesPattern = TRUE;//((ROP & 0xF00000) >> 4) != (ROP & 0x0F0000);
HPALETTE Mono = NULL;
DCDest = DC_LockDc(hDCDest);
if (NULL == DCDest)
@ -196,17 +197,38 @@ BOOL STDCALL NtGdiBitBlt(HDC hDCDest,
PALETTE_UnlockPalette(DestPalette);
}
/* KB41464 details how to convert between mono and color */
if (DCDest->w.bitsPerPixel == 1)
{
XlateObj = (PXLATEOBJ)IntEngCreateMonoXlate(SourceMode, DestPalette,
SourcePalette, DCSrc->w.backgroundColor);
}
else if (UsesSource && 1 == DCSrc->w.bitsPerPixel)
{
ULONG Colors[2];
Colors[0] = DCSrc->w.textColor;
Colors[1] = DCSrc->w.backgroundColor;
Mono = EngCreatePalette(PAL_INDEXED, 2, Colors, 0, 0, 0);
if (NULL != Mono)
{
XlateObj = (PXLATEOBJ)IntEngCreateXlate(DestMode, PAL_INDEXED, DestPalette, Mono);
}
else
{
XlateObj = NULL;
}
}
else
{
XlateObj = (PXLATEOBJ)IntEngCreateXlate(DestMode, SourceMode, DestPalette, SourcePalette);
}
if (NULL == XlateObj)
{
if (NULL != Mono)
{
EngDeletePalette(Mono);
}
if (UsesSource && hDCSrc != hDCDest)
{
DC_UnlockDc(hDCSrc);
@ -221,6 +243,10 @@ BOOL STDCALL NtGdiBitBlt(HDC hDCDest,
&DestRect, &SourcePoint, NULL, BrushObj, NULL, ROP);
EngDeleteXlate(XlateObj);
if (NULL != Mono)
{
EngDeletePalette(Mono);
}
if (UsesPattern)
{
BRUSHOBJ_UnlockBrush(DCDest->w.hBrush);