GDI: test the capabilities and properties of a metafile DC

[Mike McCormack]

ChangeLog:
* test the capabilities and properties of a metafile DC
* fix two problems that makes this test crash
-------------- next part --------------
? dlls/gdi/x
? dlls/gdi/tests/gdi32_test.exe-kE1iag.spec.c
Index: dlls/gdi/dc.c
===================================================================
RCS file: /home/wine/wine/dlls/gdi/dc.c,v
retrieving revision 1.2
diff -u -r1.2 dc.c
--- dlls/gdi/dc.c	13 Sep 2004 18:03:44 -0000	1.2
+++ dlls/gdi/dc.c	16 Nov 2004 09:07:14 -0000
@@ -698,6 +698,11 @@
     else
     {
         static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
+
+        /* should fail on a metafile DC */
+        if (OBJ_METADC == GetObjectType(hdc))
+            return 0;
+
         funcs = DRIVER_load_driver( displayW );
         physDev = NULL;
     }
Index: dlls/gdi/mfdrv/bitblt.c
===================================================================
RCS file: /home/wine/wine/dlls/gdi/mfdrv/bitblt.c,v
retrieving revision 1.6
diff -u -r1.6 bitblt.c
--- dlls/gdi/mfdrv/bitblt.c	4 Mar 2004 20:41:13 -0000	1.6
+++ dlls/gdi/mfdrv/bitblt.c	16 Nov 2004 09:07:14 -0000
@@ -70,7 +70,8 @@
     LPBITMAPINFOHEADER lpBMI;
     WORD nBPP;
 #endif
-    GetObjectA(dcSrc->hBitmap, sizeof(BITMAP), &BM);
+    if(0 == GetObjectA(dcSrc->hBitmap, sizeof(BITMAP), &BM))
+        return FALSE;
 #ifdef STRETCH_VIA_DIB
     nBPP = BM.bmPlanes * BM.bmBitsPixel;
     if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
Index: dlls/gdi/tests/metafile.c
===================================================================
RCS file: /home/wine/wine/dlls/gdi/tests/metafile.c,v
retrieving revision 1.1
diff -u -r1.1 metafile.c
--- dlls/gdi/tests/metafile.c	9 Mar 2004 19:19:53 -0000	1.1
+++ dlls/gdi/tests/metafile.c	16 Nov 2004 09:07:14 -0000
@@ -188,7 +188,86 @@
     ok(ReleaseDC(hwnd, hdcDisplay), "ReleaseDC error %ld\n", GetLastError());
 }
 
+void test_metafile_dc_compat(void)
+{
+    HMETAFILE hmf;
+    HDC hmemdc;
+    HBITMAP hAndBits, hXorBits;
+    UINT height = 32, width = 32;
+    HDC hmfdc;
+    unsigned char data[32*32*4];
+    HICON hIcon;
+    unsigned char bAndBits[32*32*1];
+    unsigned char bXorBits[32*32*1];
+
+    /* create an enhanced metafile DC */
+    hmfdc = CreateEnhMetaFile(NULL,NULL,NULL,NULL);
+    ok( hmfdc != NULL, "CreateMetaFile failed\n");
+    ok( GetObjectType(hmfdc) == OBJ_ENHMETADC, "not a enhmeta dc\n" );
+    hmemdc = CreateCompatibleDC(hmfdc);
+    ok( hmemdc != NULL, "CreateCompatibleDC failed\n" );
+    ok( DeleteDC(hmemdc),"DeleteDC failed\n");
+    ok( DeleteDC(hmfdc),"DeleteDC failed\n");
+
+    /* see how a metafile dc differs */
+    hmfdc = CreateMetaFile(NULL);
+    ok( hmfdc != NULL, "CreateMetaFile failed\n");
+    ok( GetObjectType(hmfdc) == OBJ_METADC, "not a meta dc\n" );
+
+    memset( bAndBits, 0, sizeof bAndBits );
+    memset( bXorBits, 0, sizeof bXorBits );
+    hIcon = CreateIcon(NULL, width, height, 1, 8, bAndBits, bXorBits );
+    ok( hIcon != NULL, "failed to create icon\n");
+
+    hmemdc = CreateCompatibleDC(hmfdc);
+    ok( !hmemdc, "CreateCompatibleDC succeeded\n" );
+
+    todo_wine {
+    ok( DrawIcon(hmfdc, 0, 0, hIcon),"failed to draw icon\n");
+    }
+
+    hmemdc = CreateCompatibleDC(NULL);
+    ok( hmemdc != NULL, "CreateCompatibleDC failed\n" );
+    ok( GetObjectType(hmemdc) == OBJ_MEMDC, "not a memory dc\n" );
+
+    hAndBits = CreateBitmap( width, height, 1, 1, data );
+    ok( hAndBits != NULL, "CreateBitmaps hAndBits failed\n" );
+
+    hXorBits = CreateCompatibleBitmap( hmemdc, width, height);
+    ok( hXorBits != NULL, "CreateBitmaps hXorBits failed\n" );
+
+    if(hAndBits && hXorBits)
+    {
+        HBITMAP hBitTemp;
+        BOOL r;
+        
+        hBitTemp = SelectObject( hmemdc, hAndBits );
+        ok(hBitTemp != NULL,"SelectObject failed\n");
+
+        todo_wine {
+        r = BitBlt( hmfdc, 0, 0, 32, 32, hmemdc, 0, 0, SRCAND );
+        ok(r, "BitBlt SRCAND failed\n");
+        }
+
+        ok( NULL != SelectObject( hmemdc, hXorBits ), "SelectObject on hXorBits failed\n");
+
+        todo_wine {
+        r = BitBlt( hmfdc, 0, 0, 32, 32, hmemdc, 0, 0, SRCINVERT );
+        ok(r, "BitBlt SRCINVERT failed\n");
+        }
+    }
+    DeleteDC( hmemdc );
+    if(hXorBits)
+        DeleteObject(hXorBits);
+    if(hAndBits)
+        DeleteObject(hAndBits);
+    hmf = CloseMetaFile(hmfdc);
+
+    DeleteObject(hmf);
+}
+
 START_TEST(metafile)
 {
     test_ExtTextOut();
+    test_metafile_dc_compat();
 }