Lots of new defines and stubs.

diff --git a/graphics/bitblt.c b/graphics/bitblt.c
index 2c2453b..4576d0b 100644
--- a/graphics/bitblt.c
+++ b/graphics/bitblt.c
@@ -146,3 +146,29 @@
     SelectObject32( hdc, hbrush );
     return TRUE;
 }
+/***********************************************************************
+ *           MaskBlt32 [GDI32.252]
+ */
+BOOL32 WINAPI MaskBlt32(HDC32 hdcDest, INT32 nXDest, INT32 nYDest,
+                        INT32 nWidth, INT32 nHeight, HDC32 hdcSource,
+			INT32 nXSrc, INT32 nYSrc, HBITMAP32 hbmMask,
+			INT32 xMask, INT32 yMask, DWORD dwRop)
+{
+    FIXME(bitmap, "(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%ld): stub\n",
+             hdcDest,nXDest,nYDest,nWidth,nHeight,hdcSource,nXSrc,nYSrc,
+             hbmMask,xMask,yMask,dwRop);
+    return 1;
+}
+  
+/*********************************************************************
+ *      PlgBlt [GDI.267]
+ *
+ */
+BOOL32 WINAPI PlgBlt32( HDC32 hdcDest, const POINT32 *lpPoint,
+                        HDC32 hdcSrc, INT32 nXDest, INT32 nYDest, INT32 nWidth,
+                        INT32 nHeight, HBITMAP32 hbmMask, INT32 xMask, INT32 yMask)
+{
+        FIXME(gdi, "PlgBlt, stub\n");
+        return 1;
+}
+