gdi: Fix GetObject for bitmaps.

dlls/gdi/bitmap.c

@@ -528,7 +528,8 @@ BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, DC *dc )
     ret = TRUE;
     if (!bitmap->funcs)  /* not owned by a DC yet */
     {
-        if (dc->funcs->pCreateBitmap) ret = dc->funcs->pCreateBitmap( dc->physDev, hbitmap );
+        if (dc->funcs->pCreateBitmap) ret = dc->funcs->pCreateBitmap( dc->physDev, hbitmap,
+                                                                      bitmap->bitmap.bmBits );
         if (ret) bitmap->funcs = dc->funcs;
     }
     else if (bitmap->funcs != dc->funcs)
@@ -705,6 +706,7 @@ static INT BITMAP_GetObject( HGDIOBJ handle, void *obj, INT count, LPVOID buffer
     else
     {
         memcpy( buffer, &bmp->bitmap, sizeof(BITMAP) );
+        ((BITMAP *) buffer)->bmBits = NULL;
         return sizeof(BITMAP);
     }
 }

dlls/gdi/gdi_private.h

@@ -72,7 +72,7 @@ typedef struct tagDC_FUNCS
     INT      (*pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR *);
     BOOL     (*pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
     BOOL     (*pCloseFigure)(PHYSDEV);
-    BOOL     (*pCreateBitmap)(PHYSDEV,HBITMAP);
+    BOOL     (*pCreateBitmap)(PHYSDEV,HBITMAP,LPVOID);
     BOOL     (*pCreateDC)(HDC,PHYSDEV *,LPCWSTR,LPCWSTR,LPCWSTR,const DEVMODEW*);
     HBITMAP  (*pCreateDIBSection)(PHYSDEV,HBITMAP,const BITMAPINFO *,UINT);
     BOOL     (*pDeleteBitmap)(HBITMAP);

dlls/gdi/tests/bitmap.c

@@ -1001,6 +1001,25 @@ static void test_bitmap(void)
     DeleteDC(hdc);
 }
 
+static void test_bmBits(void)
+{
+    BYTE bits[4];
+    HBITMAP hbmp;
+    BITMAP bmp;
+
+    memset(bits, 0, sizeof(bits));
+    hbmp = CreateBitmap(2, 2, 1, 4, bits);
+    ok(hbmp != NULL, "CreateBitmap failed\n");
+
+    memset(&bmp, 0xFF, sizeof(bmp));
+    ok(GetObject(hbmp, sizeof(bmp), &bmp) == sizeof(bmp),
+       "GetObject failed or returned a wrong structure size\n");
+    ok(!bmp.bmBits, "bmBits must be NULL for device-dependent bitmaps\n");
+
+    DeleteObject(hbmp);
+}
+
+
 START_TEST(bitmap)
 {
     is_win9x = GetWindowLongPtrW(GetDesktopWindow(), GWLP_WNDPROC) == 0;
@@ -1009,4 +1028,5 @@ START_TEST(bitmap)
     test_dibsections();
     test_mono_dibsection();
     test_bitmap();
+    test_bmBits();
 }

dlls/x11drv/bitmap.c

@@ -106,7 +106,7 @@ HBITMAP X11DRV_SelectBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
  *
  * Returns TRUE on success else FALSE
  */
-BOOL X11DRV_CreateBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
+BOOL X11DRV_CreateBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, LPVOID bmBits )
 {
     X_PHYSBITMAP *physBitmap;
     BITMAP bitmap;
@@ -145,9 +145,9 @@ BOOL X11DRV_CreateBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
         return FALSE;
     }
 
-    if (bitmap.bmBits) /* Set bitmap bits */
+    if (bmBits) /* Set bitmap bits */
     {
-        X11DRV_SetBitmapBits( hbitmap, bitmap.bmBits, bitmap.bmHeight * bitmap.bmWidthBytes );
+        X11DRV_SetBitmapBits( hbitmap, bmBits, bitmap.bmHeight * bitmap.bmWidthBytes );
     }
     else  /* else clear the bitmap */
     {

dlls/x11drv/winex11.drv.spec

@@ -5,7 +5,7 @@
 @ cdecl BitBlt(ptr long long long long ptr long long long) X11DRV_BitBlt
 @ cdecl ChoosePixelFormat(ptr ptr) X11DRV_ChoosePixelFormat
 @ cdecl Chord(ptr long long long long long long long long) X11DRV_Chord
-@ cdecl CreateBitmap(ptr long) X11DRV_CreateBitmap
+@ cdecl CreateBitmap(ptr long ptr) X11DRV_CreateBitmap
 @ cdecl CreateDC(long ptr wstr wstr wstr ptr) X11DRV_CreateDC
 @ cdecl CreateDIBSection(ptr long ptr long) X11DRV_CreateDIBSection
 @ cdecl DeleteBitmap(long) X11DRV_DeleteBitmap