Do not clip source rectangle even by visible region for bitblts.

graphics/x11drv/bitblt.c

@@ -1043,9 +1043,10 @@ static BOOL32 BITBLT_GetVisRectangles( DC *dcDst, INT32 xDst, INT32 yDst,
     SetRect32( &rect, xSrc, ySrc, xSrc + widthSrc, ySrc + heightSrc );
     if (widthSrc < 0) SWAP_INT32( &rect.left, &rect.right );
     if (heightSrc < 0) SWAP_INT32( &rect.top, &rect.bottom );
-    /* Apparently the clip region is only for output, so use hVisRgn here */
-    GetRgnBox32( dcSrc->w.hVisRgn, &clipRect );
-    if (!IntersectRect32( visRectSrc, &rect, &clipRect )) return FALSE;
+    /* Apparently the clipping and visible regions are only for output, 
+       so just check against totalExtent here to avoid BadMatch errors */
+    if (!IntersectRect32( visRectSrc, &rect, &dcSrc->w.totalExtent )) 
+        return FALSE;
 
       /* Intersect the rectangles */
 

graphics/x11drv/bitmap.c

@@ -54,6 +54,11 @@ HBITMAP32 X11DRV_BITMAP_SelectObject( DC * dc, HBITMAP32 hbitmap,
     
     if (!(dc->w.flags & DC_MEMORY)) return 0;
 
+    dc->w.totalExtent.left   = 0;
+    dc->w.totalExtent.top    = 0;
+    dc->w.totalExtent.right  = bmp->bitmap.bmWidth;
+    dc->w.totalExtent.bottom = bmp->bitmap.bmHeight;
+
     if (dc->w.hVisRgn)
        SetRectRgn32( dc->w.hVisRgn, 0, 0,
                      bmp->bitmap.bmWidth, bmp->bitmap.bmHeight );

graphics/x11drv/init.c

@@ -178,8 +178,13 @@ static BOOL32 X11DRV_CreateDC( DC *dc, LPCSTR driver, LPCSTR device,
         physDev->drawable  = bmp->pixmap;
         physDev->gc        = TSXCreateGC( display, physDev->drawable, 0, NULL );
         dc->w.bitsPerPixel = bmp->bitmap.bmBitsPixel;
-        dc->w.hVisRgn      = CreateRectRgn32( 0, 0, bmp->bitmap.bmWidth,
-                                              bmp->bitmap.bmHeight );
+
+        dc->w.totalExtent.left   = 0;
+        dc->w.totalExtent.top    = 0;
+        dc->w.totalExtent.right  = bmp->bitmap.bmWidth;
+        dc->w.totalExtent.bottom = bmp->bitmap.bmHeight;
+        dc->w.hVisRgn            = CreateRectRgnIndirect32( &dc->w.totalExtent );
+
 	GDI_HEAP_UNLOCK( dc->w.hBitmap );
     }
     else
@@ -187,7 +192,12 @@ static BOOL32 X11DRV_CreateDC( DC *dc, LPCSTR driver, LPCSTR device,
         physDev->drawable  = rootWindow;
         physDev->gc        = TSXCreateGC( display, physDev->drawable, 0, NULL );
         dc->w.bitsPerPixel = screenDepth;
-        dc->w.hVisRgn      = CreateRectRgn32( 0, 0, screenWidth, screenHeight);
+
+        dc->w.totalExtent.left   = 0;
+        dc->w.totalExtent.top    = 0;
+        dc->w.totalExtent.right  = screenWidth;
+        dc->w.totalExtent.bottom = screenHeight;
+        dc->w.hVisRgn            = CreateRectRgnIndirect32( &dc->w.totalExtent );
     }
 
     if (!dc->w.hVisRgn)

include/gdi.h

@@ -122,6 +122,7 @@ typedef struct
     short         breakExtra;        /* breakTotalExtra / breakCount */
     short         breakRem;          /* breakTotalExtra % breakCount */
 
+    RECT32        totalExtent;
     BYTE          bitsPerPixel;
 
     INT32         MapMode;

objects/dc.c

@@ -528,6 +528,7 @@ HDC16 WINAPI GetDCState( HDC16 hdc )
     newdc->w.hFirstBitmap     = dc->w.hFirstBitmap;
     newdc->w.hDevice          = dc->w.hDevice;
     newdc->w.hPalette         = dc->w.hPalette;   
+    newdc->w.totalExtent      = dc->w.totalExtent;
     newdc->w.bitsPerPixel     = dc->w.bitsPerPixel;
     newdc->w.ROPmode          = dc->w.ROPmode;
     newdc->w.polyFillMode     = dc->w.polyFillMode;
@@ -613,6 +614,7 @@ void WINAPI SetDCState( HDC16 hdc, HDC16 hdcs )
     dc->w.devCaps          = dcs->w.devCaps;
     dc->w.hFirstBitmap     = dcs->w.hFirstBitmap;
     dc->w.hDevice          = dcs->w.hDevice;
+    dc->w.totalExtent      = dcs->w.totalExtent;
     dc->w.ROPmode          = dcs->w.ROPmode;
     dc->w.polyFillMode     = dcs->w.polyFillMode;
     dc->w.stretchBltMode   = dcs->w.stretchBltMode;