gdi32: The MAT2 parameter of GetGlyphOutline is mandatory.

dlls/gdi32/gdi16.c

@@ -1983,12 +1983,15 @@ DWORD WINAPI GetGlyphOutline16( HDC16 hdc, UINT16 uChar, UINT16 fuFormat,
     GLYPHMETRICS gm32;
 
     ret = GetGlyphOutlineA( HDC_32(hdc), uChar, fuFormat, &gm32, cbBuffer, lpBuffer, lpmat2);
-    lpgm->gmBlackBoxX = gm32.gmBlackBoxX;
-    lpgm->gmBlackBoxY = gm32.gmBlackBoxY;
-    lpgm->gmptGlyphOrigin.x = gm32.gmptGlyphOrigin.x;
-    lpgm->gmptGlyphOrigin.y = gm32.gmptGlyphOrigin.y;
-    lpgm->gmCellIncX = gm32.gmCellIncX;
-    lpgm->gmCellIncY = gm32.gmCellIncY;
+    if (ret && ret != GDI_ERROR)
+    {
+        lpgm->gmBlackBoxX = gm32.gmBlackBoxX;
+        lpgm->gmBlackBoxY = gm32.gmBlackBoxY;
+        lpgm->gmptGlyphOrigin.x = gm32.gmptGlyphOrigin.x;
+        lpgm->gmptGlyphOrigin.y = gm32.gmptGlyphOrigin.y;
+        lpgm->gmCellIncX = gm32.gmCellIncX;
+        lpgm->gmCellIncY = gm32.gmCellIncY;
+    }
     return ret;
 }
 

dlls/gdi32/path.c

@@ -1454,17 +1454,18 @@ BOOL PATH_ExtTextOut(DC *dc, INT x, INT y, UINT flags, const RECT *lprc,
 
     for (idx = 0; idx < count; idx++)
     {
+        static const MAT2 identity = { {0,1},{0,0},{0,0},{0,1} };
         GLYPHMETRICS gm;
         DWORD dwSize;
         void *outline;
 
-        dwSize = GetGlyphOutlineW(hdc, str[idx], GGO_GLYPH_INDEX | GGO_NATIVE, &gm, 0, NULL, NULL);
+        dwSize = GetGlyphOutlineW(hdc, str[idx], GGO_GLYPH_INDEX | GGO_NATIVE, &gm, 0, NULL, &identity);
         if (!dwSize) return FALSE;
 
         outline = HeapAlloc(GetProcessHeap(), 0, dwSize);
         if (!outline) return FALSE;
 
-        GetGlyphOutlineW(hdc, str[idx], GGO_GLYPH_INDEX | GGO_NATIVE, &gm, dwSize, outline, NULL);
+        GetGlyphOutlineW(hdc, str[idx], GGO_GLYPH_INDEX | GGO_NATIVE, &gm, dwSize, outline, &identity);
 
         PATH_add_outline(dc, org.x + x + xoff, org.x + y + yoff, outline, dwSize);