wincodecs: Add support for WICBitmapNoCache in CreateBitmapFromSource() for bitmap as a source.

dlls/windowscodecs/imgfactory.c

@@ -19,6 +19,7 @@
 
 #include "config.h"
 
+#include <assert.h>
 #include <stdarg.h>
 
 #define COBJMACROS
@@ -501,9 +502,18 @@ static HRESULT create_bitmap_from_source_rect(IWICBitmapSource *piBitmapSource,
     IWICPixelFormatInfo2 *formatinfo;
     WICPixelFormatNumericRepresentation format_type;
 
+    assert(!rect || (rect && option == WICBitmapCacheOnLoad));
+
     if (!piBitmapSource || !ppIBitmap)
         return E_INVALIDARG;
 
+    if (option == WICBitmapNoCache && SUCCEEDED(IWICBitmapSource_QueryInterface(piBitmapSource,
+            &IID_IWICBitmap, (void **)&result)))
+    {
+        *ppIBitmap = result;
+        return S_OK;
+    }
+
     hr = IWICBitmapSource_GetSize(piBitmapSource, &width, &height);
 
     if (SUCCEEDED(hr) && rect)

dlls/windowscodecs/tests/bitmap.c

@@ -456,7 +456,6 @@ static void test_createbitmapfromsource(void)
     hr = IWICImagingFactory_CreateBitmapFromSource(factory, (IWICBitmapSource *)bitmap,
         WICBitmapNoCache, &bitmap2);
     ok(hr == S_OK, "IWICImagingFactory_CreateBitmapFromSource failed hr=%x\n", hr);
-todo_wine
     ok(bitmap2 == bitmap, "Unexpected bitmap instance.\n");
 
     IWICBitmap_Release(bitmap2);