1 files changed, 71 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/cache/SlsBitmapFactory.cxx b/sd/source/ui/slidesorter/cache/SlsBitmapFactory.cxx
new file mode 100644
index 000000000..a9182c2a2
--- /dev/null
+++ b/sd/source/ui/slidesorter/cache/SlsBitmapFactory.cxx
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "SlsBitmapFactory.hxx"
+
+#include <PreviewRenderer.hxx>
+#include <sdpage.hxx>
+#include <vcl/bitmapex.hxx>
+
+namespace sd::slidesorter::view {
+class SlideSorterView;
+class PageObjectViewObjectContact;
+}
+
+namespace sd::slidesorter::cache {
+
+BitmapFactory::BitmapFactory()
+    : maRenderer(false)
+{
+}
+
+BitmapFactory::~BitmapFactory()
+{
+}
+
+BitmapEx BitmapFactory::CreateBitmap (
+    const SdPage& rPage,
+    const Size& rPixelSize,
+    const bool bDoSuperSampling)
+{
+    Size aSize (rPixelSize);
+    if (bDoSuperSampling)
+    {
+        // Supersampling factor
+        int aSuperSamplingFactor = 2;
+        aSize.setWidth( aSize.Width() * aSuperSamplingFactor );
+        aSize.setHeight( aSize.Height() * aSuperSamplingFactor );
+    }
+
+    BitmapEx aPreview (maRenderer.RenderPage (
+        &rPage,
+        aSize,
+        true,
+        false).GetBitmapEx());
+    if (bDoSuperSampling)
+    {
+        aPreview.Scale(rPixelSize, BmpScaleFlag::BestQuality);
+    }
+
+    return aPreview;
+}
+
+} // end of namespace ::sd::slidesorter::cache
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */