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Lock/unlock (and hence maybe coerce) DIBSections into GdiMod during 

the SetDIBits and GetDIBits functions, before actually accessing the X
Pixmap.
This commit is contained in:
David Hammerton 2002-05-11 22:51:34 +00:00 committed by Alexandre Julliard
parent f85d8da425
commit 5d01936771
1 changed files with 5 additions and 1 deletions
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6
graphics/x11drv/dib.c
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@ -4891,7 +4891,9 @@ INT X11DRV_SetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT startscan,
descr.height = lines;
descr.useShm = FALSE;
descr.dibpitch = ((descr.infoWidth * descr.infoBpp + 31) &~31) / 8;
X11DRV_DIB_Lock(bmp, DIB_Status_GdiMod, FALSE);
result = X11DRV_DIB_SetImageBits( &descr );
X11DRV_DIB_Unlock(bmp, TRUE);
if (descr.colorMap) HeapFree(GetProcessHeap(), 0, descr.colorMap);
@ -5009,7 +5011,9 @@ INT X11DRV_GetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT startscan,
descr.dibpitch = dib ? (dib->dibSection.dsBm.bmWidthBytes)
: (((descr.infoWidth * descr.infoBpp + 31) &~31) / 8);
X11DRV_DIB_Lock(bmp, DIB_Status_GdiMod, FALSE);
X11DRV_DIB_GetImageBits( &descr );
X11DRV_DIB_Unlock(bmp, TRUE);
if(info->bmiHeader.biSizeImage == 0) /* Fill in biSizeImage */
info->bmiHeader.biSizeImage = DIB_GetDIBImageBytes(
@ -5646,7 +5650,7 @@ HBITMAP X11DRV_DIB_CreateDIBSection(
INT effHeight, totalSize;
BITMAP bm;
LPVOID mapBits = NULL;
TRACE("format (%ld,%ld), planes %d, bpp %d, size %ld, colors %ld (%s)\n",
bi->biWidth, bi->biHeight, bi->biPlanes, bi->biBitCount,
bi->biSizeImage, bi->biClrUsed, usage == DIB_PAL_COLORS? "PAL" : "RGB");