gdi32: Clip the returned DC bounds to the device rectangle.

dlls/gdi32/dc.c

@@ -1318,6 +1318,10 @@ UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
     {
         *rect = dc->BoundsRect;
         ret = is_rect_empty( rect ) ? DCB_RESET : DCB_SET;
+        rect->left = max( rect->left, 0 );
+        rect->top = max( rect->top, 0 );
+        rect->right = min( rect->right, dc->vis_rect.right - dc->vis_rect.left );
+        rect->bottom = min( rect->bottom, dc->vis_rect.bottom - dc->vis_rect.top );
         DPtoLP( hdc, (POINT *)rect, 2 );
     }
     if (flags & DCB_RESET)

dlls/gdi32/tests/dc.c

@@ -930,7 +930,6 @@ static void test_boundsrect(void)
     ret = GetBoundsRect( hdc, &rect, 0 );
     ok( ret == DCB_SET, "GetBoundsRect returned %x\n", ret );
     SetRect( &expect, 6, 6, 1, 1 );
-    todo_wine
     ok( EqualRect(&rect, &expect), "Got (%d,%d)-(%d,%d)\n", rect.left, rect.top, rect.right, rect.bottom );
     SetBoundsRect( hdc, NULL, DCB_ENABLE );
     LineTo( hdc, 50, 40 );