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Set CombinedClip region for memory DCs

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svn path=/trunk/; revision=5118
This commit is contained in:
Gé van Geldorp 2003-07-14 17:36:59 +00:00
parent bf39992fa1
commit 604728cdb1
2 changed files with 27 additions and 5 deletions
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7
reactos/subsys/win32k/objects/cliprgn.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: cliprgn.c,v 1.17 2003/06/28 08:39:18 gvg Exp $ */
/* $Id: cliprgn.c,v 1.18 2003/07/14 17:36:59 gvg Exp $ */
#undef WIN32_LEAN_AND_MEAN
#include <windows.h>
@ -121,6 +121,11 @@ W32kSelectVisRgn(HDC hdc, HRGN hrgn)
dc->w.flags &= ~DC_DIRTY;
if (dc->w.hVisRgn == NULL)
{
dc->w.hVisRgn = W32kCreateRectRgn(0, 0, 0, 0);
}
retval = W32kCombineRgn(dc->w.hVisRgn, hrgn, 0, RGN_COPY);
CLIPPING_UpdateGCRegion(dc);
DC_ReleasePtr( hdc );

23
reactos/subsys/win32k/objects/dc.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: dc.c,v 1.62 2003/06/28 08:39:18 gvg Exp $
/* $Id: dc.c,v 1.63 2003/07/14 17:36:59 gvg Exp $
*
* DC.C - Device context functions
*
@ -28,6 +28,7 @@
#include <ddk/ntddvid.h>
#include <win32k/bitmaps.h>
#include <win32k/cliprgn.h>
#include <win32k/coord.h>
#include <win32k/driver.h>
#include <win32k/dc.h>
@ -123,6 +124,7 @@ HDC STDCALL W32kCreateCompatableDC(HDC hDC)
PDC NewDC, OrigDC = NULL;
HBITMAP hBitmap;
HDC hNewDC;
HRGN hVisRgn;
OrigDC = DC_HandleToPtr(hDC);
if (OrigDC == NULL)
@ -194,6 +196,11 @@ HDC STDCALL W32kCreateCompatableDC(HDC hDC)
}
DC_ReleasePtr( hDC );
DC_ReleasePtr( hNewDC );
hVisRgn = W32kCreateRectRgn(0, 0, 1, 1);
W32kSelectVisRgn(hNewDC, hVisRgn);
W32kDeleteObject(hVisRgn);
DC_InitDC(hNewDC);
return hNewDC;
@ -387,6 +394,7 @@ HDC STDCALL W32kCreateDC(LPCWSTR Driver,
PDC NewDC;
HDC hDC = NULL;
PSURFGDI SurfGDI;
HRGN hVisRgn;
/* Check for existing DC object */
if ((hNewDC = DC_FindOpenDC(Driver)) != NULL)
@ -444,10 +452,13 @@ HDC STDCALL W32kCreateDC(LPCWSTR Driver,
DPRINT("Bits per pel: %u\n", NewDC->w.bitsPerPixel);
NewDC->w.hVisRgn = W32kCreateRectRgn(0, 0, SurfGDI->SurfObj.sizlBitmap.cx,
SurfGDI->SurfObj.sizlBitmap.cy);
DC_ReleasePtr( hNewDC );
hVisRgn = W32kCreateRectRgn(0, 0, SurfGDI->SurfObj.sizlBitmap.cx,
SurfGDI->SurfObj.sizlBitmap.cy);
W32kSelectVisRgn(hNewDC, hVisRgn);
W32kDeleteObject(hVisRgn);
/* Initialize the DC state */
DC_InitDC(hNewDC);
W32kSetTextColor(hNewDC, RGB(0, 0, 0));
@ -1188,6 +1199,7 @@ HGDIOBJ STDCALL W32kSelectObject(HDC hDC, HGDIOBJ hGDIObj)
WORD objectMagic;
COLORREF *ColorMap;
ULONG NumColors, Index;
HRGN hVisRgn;
if(!hDC || !hGDIObj) return NULL;
@ -1282,6 +1294,11 @@ HGDIOBJ STDCALL W32kSelectObject(HDC hDC, HGDIOBJ hGDIObj)
} else {
dc->w.bitsPerPixel = pb->bitmap.bmBitsPixel;
}
hVisRgn = W32kCreateRectRgn(0, 0, pb->size.cx, pb->size.cy);
W32kSelectVisRgn(hDC, hVisRgn);
W32kDeleteObject(hVisRgn);
break;
#if UPDATEREGIONS