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+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <drawinglayer/drawinglayerdllapi.h>
+
+#include <drawinglayer/primitive2d/groupprimitive2d.hxx>
+
+
+namespace drawinglayer::primitive2d
+{
+ /** UnifiedTransparencePrimitive2D class
+
+ This primitive encapsulates a child hierarchy and defines
+ that it shall be visualized with the given transparency. That
+ transparency is unique for all contained geometry, so that
+ e.g. overlapping polygons in the child geometry will not show
+ regions of combined transparency, but be all rendered with the
+ defined, single transparency.
+ */
+ class DRAWINGLAYER_DLLPUBLIC UnifiedTransparencePrimitive2D final : public GroupPrimitive2D
+ {
+ private:
+ /// the unified transparence
+ double mfTransparence;
+
+ public:
+ /// constructor
+ UnifiedTransparencePrimitive2D(
+ Primitive2DContainer&& rChildren,
+ double fTransparence);
+
+ /// data read access
+ double getTransparence() const { return mfTransparence; }
+
+ /// compare operator
+ virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
+
+ /// own getB2DRange implementation to include transparent geometries to BoundRect calculations
+ virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const override;
+
+ /// create decomposition
+ virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override;
+
+ /// provide unique ID
+ virtual sal_uInt32 getPrimitive2DID() const override;
+ };
+} // end of namespace drawinglayer::primitive2d
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */