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Fix creation of display-compatible DCs

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svn path=/trunk/; revision=6855
This commit is contained in:
Gé van Geldorp 2003-12-03 19:28:23 +00:00
parent 4db35a9424
commit e11e69e45f
1 changed files with 55 additions and 66 deletions
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121
reactos/subsys/win32k/objects/dc.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: dc.c,v 1.104 2003/11/30 18:55:57 gvg Exp $
/* $Id: dc.c,v 1.105 2003/12/03 19:28:23 gvg Exp $
*
* DC.C - Device context functions
*
@ -131,26 +131,38 @@ NtGdiCreateCompatableDC(HDC hDC)
{
PDC NewDC, OrigDC;
HBITMAP hBitmap;
HDC hNewDC;
HDC hNewDC, DisplayDC;
HRGN hVisRgn;
BITMAPOBJ *pb;
PSURFGDI SurfGDI;
if (hDC == NULL)
{
return NtGdiCreateDC(L"DISPLAY", NULL, NULL, NULL);
DisplayDC = NtGdiCreateDC(L"DISPLAY", NULL, NULL, NULL);
if (NULL == DisplayDC)
{
return NULL;
}
hDC = DisplayDC;
}
/* Allocate a new DC based on the original DC's device */
OrigDC = DC_LockDc(hDC);
if (NULL == OrigDC)
{
if (NULL != DisplayDC)
{
NtGdiDeleteDC(DisplayDC);
}
return NULL;
}
hNewDC = DC_AllocDC(OrigDC->DriverName);
if (NULL == hNewDC)
{
if (NULL != DisplayDC)
{
NtGdiDeleteDC(DisplayDC);
}
return NULL;
}
NewDC = DC_LockDc( hNewDC );
@ -158,55 +170,38 @@ NtGdiCreateCompatableDC(HDC hDC)
/* Copy information from original DC to new DC */
NewDC->hSelf = NewDC;
/* FIXME: Should this DC request its own PDEV? */
if(OrigDC == NULL)
{
NewDC->PDev = PrimarySurface.PDev;
memcpy(NewDC->FillPatternSurfaces, PrimarySurface.FillPatterns,
sizeof(NewDC->FillPatternSurfaces));
NewDC->GDIInfo = &PrimarySurface.GDIInfo;
NewDC->DevInfo = &PrimarySurface.DevInfo;
SurfGDI = (PSURFGDI)AccessInternalObject((ULONG) PrimarySurface.Handle);
NewDC->w.bitsPerPixel = SurfGDI->BitsPerPixel;
}
else
{
NewDC->PDev = OrigDC->PDev;
NewDC->DMW = OrigDC->DMW;
memcpy(NewDC->FillPatternSurfaces,
OrigDC->FillPatternSurfaces,
sizeof OrigDC->FillPatternSurfaces);
NewDC->GDIInfo = OrigDC->GDIInfo;
NewDC->DevInfo = OrigDC->DevInfo;
NewDC->w.bitsPerPixel = OrigDC->w.bitsPerPixel;
}
NewDC->PDev = OrigDC->PDev;
NewDC->DMW = OrigDC->DMW;
memcpy(NewDC->FillPatternSurfaces,
OrigDC->FillPatternSurfaces,
sizeof OrigDC->FillPatternSurfaces);
NewDC->GDIInfo = OrigDC->GDIInfo;
NewDC->DevInfo = OrigDC->DevInfo;
NewDC->w.bitsPerPixel = OrigDC->w.bitsPerPixel;
/* DriverName is copied in the AllocDC routine */
if(OrigDC == NULL)
{
NewDC->DeviceDriver = (HANDLE) PrimarySurface.VideoDeviceObject;
}
else
{
NewDC->DeviceDriver = OrigDC->DeviceDriver;
NewDC->wndOrgX = OrigDC->wndOrgX;
NewDC->wndOrgY = OrigDC->wndOrgY;
NewDC->wndExtX = OrigDC->wndExtX;
NewDC->wndExtY = OrigDC->wndExtY;
NewDC->vportOrgX = OrigDC->vportOrgX;
NewDC->vportOrgY = OrigDC->vportOrgY;
NewDC->vportExtX = OrigDC->vportExtX;
NewDC->vportExtY = OrigDC->vportExtY;
}
NewDC->DeviceDriver = OrigDC->DeviceDriver;
NewDC->wndOrgX = OrigDC->wndOrgX;
NewDC->wndOrgY = OrigDC->wndOrgY;
NewDC->wndExtX = OrigDC->wndExtX;
NewDC->wndExtY = OrigDC->wndExtY;
NewDC->vportOrgX = OrigDC->vportOrgX;
NewDC->vportOrgY = OrigDC->vportOrgY;
NewDC->vportExtX = OrigDC->vportExtX;
NewDC->vportExtY = OrigDC->vportExtY;
/* Create default bitmap */
if (!(hBitmap = NtGdiCreateBitmap( 1, 1, 1, NewDC->w.bitsPerPixel, NULL )))
{
DC_UnlockDc( hDC );
DC_UnlockDc( hNewDC );
DC_FreeDC( hNewDC );
return NULL;
}
{
DC_UnlockDc( hDC );
DC_UnlockDc( hNewDC );
DC_FreeDC( hNewDC );
if (NULL != DisplayDC)
{
NtGdiDeleteDC(DisplayDC);
}
return NULL;
}
NewDC->w.flags = DC_MEMORY;
NewDC->w.hBitmap = hBitmap;
NewDC->w.hFirstBitmap = hBitmap;
@ -214,23 +209,17 @@ NtGdiCreateCompatableDC(HDC hDC)
NewDC->Surface = BitmapToSurf(pb);
BITMAPOBJ_UnlockBitmap(hBitmap);
if(OrigDC == NULL)
{
NewDC->w.hPalette = NewDC->DevInfo->hpalDefault;
}
else
{
NewDC->w.hPalette = OrigDC->w.hPalette;
NewDC->w.textColor = OrigDC->w.textColor;
NewDC->w.textAlign = OrigDC->w.textAlign;
NewDC->w.backgroundColor = OrigDC->w.backgroundColor;
NewDC->w.backgroundMode = OrigDC->w.backgroundMode;
}
if (NULL != hDC)
{
DC_UnlockDc( hDC );
}
DC_UnlockDc( hNewDC );
NewDC->w.hPalette = OrigDC->w.hPalette;
NewDC->w.textColor = OrigDC->w.textColor;
NewDC->w.textAlign = OrigDC->w.textAlign;
NewDC->w.backgroundColor = OrigDC->w.backgroundColor;
NewDC->w.backgroundMode = OrigDC->w.backgroundMode;
DC_UnlockDc( hDC );
if (NULL != DisplayDC)
{
NtGdiDeleteDC(DisplayDC);
}
DC_UnlockDc(hNewDC);
hVisRgn = NtGdiCreateRectRgn(0, 0, 1, 1);
NtGdiSelectVisRgn(hNewDC, hVisRgn);
@ -238,7 +227,7 @@ NtGdiCreateCompatableDC(HDC hDC)
DC_InitDC(hNewDC);
return hNewDC;
return hNewDC;
}
static BOOL FASTCALL