Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-27 09:34:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

Partly (not working) implementation of TransparentBlt()

Browse source 
svn path=/trunk/; revision=8912
This commit is contained in:
Thomas Bluemel 2004-03-28 21:46:26 +00:00
parent 50c2bd5cc2
commit 4309d1082e
6 changed files with 145 additions and 90 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
reactos/iface/addsys/w32ksvc.db
View file

@ -274,6 +274,7 @@ NtGdiStrokeAndFillPath 1
NtGdiStrokePath 1
NtGdiSwapBuffers 1
NtGdiTextOut 5
NtGdiTransparentBlt 11
NtGdiTranslateCharsetInfo 3
NtGdiUnrealizeObject 2
NtGdiUpdateColors 1

17
reactos/include/win32k/bitmaps.h
View file

@ -304,5 +304,22 @@ NtGdiStretchDIBits (
UINT Usage,
DWORD ROP
);
BOOL
STDCALL
NtGdiTransparentBlt(
HDC hdcDst,
INT xDst,
INT yDst,
INT cxDst,
INT cyDst,
HDC hdcSrc,
INT xSrc,
INT ySrc,
INT cxSrc,
INT cySrc,
COLORREF TransColor
);
#endif

90
reactos/lib/gdi32/objects/bitblt.c
View file

@ -1,13 +1,10 @@
/* $Id: bitblt.c,v 1.19 2004/03/24 00:13:31 royce Exp $
/* $Id: bitblt.c,v 1.20 2004/03/28 21:46:26 weiden Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* FILE: lib/gdi32/object/bitblt.c
* PURPOSE:
* PROGRAMMER:
*
* GdiTransparentBlt Copyright Kevin Koltzau
* adapted from WINE 2-13-04
*/
#ifdef UNICODE
@ -396,87 +393,12 @@ PolyPatBlt(HDC hDC,DWORD dwRop,PPATRECT pRects,int cRects,ULONG Reserved)
*/
WINBOOL
STDCALL
GdiTransparentBlt( HDC hdcDst, int xDst, int yDst, int cxDst, int cyDst,
HDC hdcSrc, int xSrc, int ySrc, int cxSrc, int cySrc,
COLORREF TransColor )
GdiTransparentBlt(HDC hdcDst, int xDst, int yDst, int cxDst, int cyDst,
HDC hdcSrc, int xSrc, int ySrc, int cxSrc, int cySrc,
COLORREF TransColor)
{
BOOL ret = FALSE;
HDC hdcWork;
HBITMAP bmpWork;
HGDIOBJ oldWork;
HDC hdcMask = NULL;
HBITMAP bmpMask = NULL;
HBITMAP oldMask = NULL;
COLORREF oldBackground;
COLORREF oldForeground;
int oldStretchMode;
if(cxDst < 0 || cyDst < 0 || cxSrc < 0 || cySrc < 0) {
DPRINT("Can not mirror\n");
return FALSE;
}
oldBackground = SetBkColor(hdcDst, RGB(255,255,255));
oldForeground = SetTextColor(hdcDst, RGB(0,0,0));
/* Stretch bitmap */
oldStretchMode = GetStretchBltMode(hdcSrc);
if(oldStretchMode == BLACKONWHITE || oldStretchMode == WHITEONBLACK)
SetStretchBltMode(hdcSrc, COLORONCOLOR);
hdcWork = CreateCompatibleDC(hdcDst);
bmpWork = CreateCompatibleBitmap(hdcDst, cxDst, cyDst);
oldWork = SelectObject(hdcWork, bmpWork);
if(!StretchBlt(hdcWork, 0, 0, cxDst, cyDst, hdcSrc, xSrc, ySrc, cxSrc, cySrc, SRCCOPY)) {
DPRINT("Failed to stretch\n");
goto error;
}
SetBkColor(hdcWork, TransColor);
/* Create mask */
hdcMask = CreateCompatibleDC(hdcDst);
bmpMask = CreateCompatibleBitmap(hdcMask, cxDst, cyDst);
oldMask = SelectObject(hdcMask, bmpMask);
if(!BitBlt(hdcMask, 0, 0, cxDst, cyDst, hdcWork, 0, 0, SRCCOPY)) {
DPRINT("Failed to create mask\n");
goto error;
}
/* Replace transparent color with black */
SetBkColor(hdcWork, RGB(0,0,0));
SetTextColor(hdcWork, RGB(255,255,255));
if(!BitBlt(hdcWork, 0, 0, cxDst, cyDst, hdcMask, 0, 0, SRCAND)) {
DPRINT("Failed to mask out background\n");
goto error;
}
/* Replace non-transparent area on destination with black */
if(!BitBlt(hdcDst, xDst, yDst, cxDst, cyDst, hdcMask, 0, 0, SRCAND)) {
DPRINT("Failed to clear destination area\n");
goto error;
}
/* Draw the image */
if(!BitBlt(hdcDst, xDst, yDst, cxDst, cyDst, hdcWork, 0, 0, SRCPAINT)) {
DPRINT("Failed to paint image\n");
goto error;
}
ret = TRUE;
error:
SetStretchBltMode(hdcSrc, oldStretchMode);
SetBkColor(hdcDst, oldBackground);
SetTextColor(hdcDst, oldForeground);
if(hdcWork) {
SelectObject(hdcWork, oldWork);
DeleteDC(hdcWork);
}
if(bmpWork) DeleteObject(bmpWork);
if(hdcMask) {
SelectObject(hdcMask, oldMask);
DeleteDC(hdcMask);
}
if(bmpMask) DeleteObject(bmpMask);
return ret;
return (WINBOOL)NtGdiTransparentBlt(hdcDst, xDst, yDst, cxDst, cyDst, hdcSrc,
xSrc, ySrc, cxSrc, cySrc, TransColor);
}
/*

4
reactos/subsys/win32k/ntuser/msgqueue.c
View file

@ -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: msgqueue.c,v 1.78 2004/03/28 16:21:58 weiden Exp $
/* $Id: msgqueue.c,v 1.79 2004/03/28 21:46:26 weiden Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -842,7 +842,7 @@ MsqDispatchOneSentMessage(PUSER_MESSAGE_QUEUE MessageQueue)
IntLockMessageQueue(MessageQueue);
if (IsListEmpty(&MessageQueue->SentMessagesListHead))
{
ExReleaseFastMutex(&MessageQueue->Lock);
IntUnLockMessageQueue(MessageQueue);
return(FALSE);
}
Entry = RemoveHeadList(&MessageQueue->SentMessagesListHead);

4
reactos/subsys/win32k/ntuser/window.c
View file

@ -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: window.c,v 1.201 2004/03/23 21:47:37 weiden Exp $
/* $Id: window.c,v 1.202 2004/03/28 21:46:26 weiden Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -3410,7 +3410,6 @@ IntGetWindowRgn(HWND hWnd, HRGN hRgn)
if(!hRgn)
{
IntReleaseWindowObject(WindowObject);
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return ERROR;
}
@ -3453,7 +3452,6 @@ IntGetWindowRgnBox(HWND hWnd, RECT *Rect)
if(!Rect)
{
IntReleaseWindowObject(WindowObject);
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return ERROR;
}

119
reactos/subsys/win32k/objects/bitmaps.c
View file

@ -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 1.64 2004/03/22 20:46:33 royce Exp $ */
/* $Id: bitmaps.c,v 1.65 2004/03/28 21:46:26 weiden Exp $ */
#undef WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <stdlib.h>
@ -263,6 +263,123 @@ NtGdiBitBlt(
return Status;
}
BOOL STDCALL
NtGdiTransparentBlt(
HDC hdcDst,
INT xDst,
INT yDst,
INT cxDst,
INT cyDst,
HDC hdcSrc,
INT xSrc,
INT ySrc,
INT cxSrc,
INT cySrc,
COLORREF TransColor)
{
PDC DCDest, DCSrc;
RECT rcDest, rcSrc;
PSURFOBJ SurfDest, SurfSrc;
PSURFGDI SurfGDIDest, SurfGDISrc;
PXLATEOBJ XlateObj;
HPALETTE SourcePalette, DestPalette;
PPALGDI PalDestGDI, PalSourceGDI;
USHORT PalDestMode, PalSrcMode;
if(!(DCDest = DC_LockDc(hdcDst)))
{
DPRINT1("Invalid destination dc handle (0x%08x) passed to NtGdiTransparentBlt\n", hdcDst);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
if((hdcDst != hdcSrc) && !(DCSrc = DC_LockDc(hdcSrc)))
{
DC_UnlockDc(hdcDst);
DPRINT1("Invalid source dc handle (0x%08x) passed to NtGdiTransparentBlt\n", hdcSrc);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
if(hdcDst == hdcSrc)
{
DCSrc = DCDest;
}
if(DCDest->w.hPalette)
DestPalette = DCDest->w.hPalette;
else
DestPalette = NtGdiGetStockObject(DEFAULT_PALETTE);
if(DCSrc->w.hPalette)
SourcePalette = DCSrc->w.hPalette;
else
SourcePalette = NtGdiGetStockObject(DEFAULT_PALETTE);
if(!(PalSourceGDI = PALETTE_LockPalette(SourcePalette)))
{
DC_UnlockDc(hdcSrc);
DC_UnlockDc(hdcDst);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
if((DestPalette != SourcePalette) && !(PalDestGDI = PALETTE_LockPalette(DestPalette)))
{
PALETTE_UnlockPalette(SourcePalette);
DC_UnlockDc(hdcSrc);
DC_UnlockDc(hdcDst);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
if(DestPalette != SourcePalette)
{
PalDestMode = PalDestGDI->Mode;
PalSrcMode = PalSourceGDI->Mode;
PALETTE_UnlockPalette(DestPalette);
}
else
{
PalDestMode = PalSrcMode = PalSourceGDI->Mode;
}
PALETTE_UnlockPalette(SourcePalette);
XlateObj = (PXLATEOBJ)IntEngCreateXlate(PalDestMode, PalSrcMode, DestPalette, SourcePalette);
SurfDest = (PSURFOBJ)AccessUserObject((ULONG)DCDest->Surface);
ASSERT(SurfDest);
SurfGDIDest = (PSURFGDI)AccessInternalObjectFromUserObject(SurfDest);
ASSERT(SurfGDIDest);
SurfSrc = (PSURFOBJ)AccessUserObject((ULONG)DCSrc->Surface);
ASSERT(SurfSrc);
SurfGDISrc = (PSURFGDI)AccessInternalObjectFromUserObject(SurfSrc);
ASSERT(SurfGDISrc);
rcDest.left = xDst;
rcDest.top = yDst;
rcDest.right = rcDest.left + cxDst;
rcDest.bottom = rcDest.bottom + cyDst;
rcSrc.left = xSrc;
rcSrc.top = ySrc;
rcSrc.right = rcDest.left + cxSrc;
rcSrc.bottom = rcDest.bottom + cySrc;
if((cxDst != cxSrc) || (cyDst != cySrc))
{
/* FIXME - Create a temporary bitmap and stretchblt it */
}
DC_UnlockDc(hdcSrc);
if(hdcDst != hdcSrc)
{
DC_UnlockDc(hdcDst);
}
if(XlateObj)
{
EngDeleteXlate(XlateObj);
}
return TRUE;
}
HBITMAP STDCALL
NtGdiCreateBitmap(
INT Width,