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-rw-r--r--drawinglayer/source/primitive2d/shadowprimitive2d.cxx94
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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 .
+ */
+
+#include <drawinglayer/primitive2d/shadowprimitive2d.hxx>
+#include <basegfx/color/bcolormodifier.hxx>
+#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
+#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
+#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
+
+#include <memory>
+
+using namespace com::sun::star;
+
+
+namespace drawinglayer::primitive2d
+{
+ ShadowPrimitive2D::ShadowPrimitive2D(
+ const basegfx::B2DHomMatrix& rShadowTransform,
+ const basegfx::BColor& rShadowColor,
+ double fShadowBlur,
+ Primitive2DContainer&& aChildren)
+ : GroupPrimitive2D(std::move(aChildren)),
+ maShadowTransform(rShadowTransform),
+ maShadowColor(rShadowColor),
+ mfShadowBlur(fShadowBlur)
+ {
+ }
+
+ bool ShadowPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
+ {
+ if(BasePrimitive2D::operator==(rPrimitive))
+ {
+ const ShadowPrimitive2D& rCompare = static_cast< const ShadowPrimitive2D& >(rPrimitive);
+
+ return (getShadowTransform() == rCompare.getShadowTransform()
+ && getShadowColor() == rCompare.getShadowColor()
+ && getShadowBlur() == rCompare.getShadowBlur());
+ }
+
+ return false;
+ }
+
+ basegfx::B2DRange ShadowPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
+ {
+ basegfx::B2DRange aRetval(getChildren().getB2DRange(rViewInformation));
+ aRetval.grow(getShadowBlur());
+ aRetval.transform(getShadowTransform());
+ return aRetval;
+ }
+
+ void ShadowPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& /*rViewInformation*/) const
+ {
+ if(getChildren().empty())
+ return;
+
+ // create a modifiedColorPrimitive containing the shadow color and the content
+ const basegfx::BColorModifierSharedPtr aBColorModifier =
+ std::make_shared<basegfx::BColorModifier_replace>(
+ getShadowColor());
+ const Primitive2DReference xRefA(
+ new ModifiedColorPrimitive2D(
+ Primitive2DContainer(getChildren()),
+ aBColorModifier));
+ Primitive2DContainer aSequenceB { xRefA };
+
+ // build transformed primitiveVector with shadow offset and add to target
+ rVisitor.visit(new TransformPrimitive2D(getShadowTransform(), std::move(aSequenceB)));
+ }
+
+ // provide unique ID
+ sal_uInt32 ShadowPrimitive2D::getPrimitive2DID() const
+ {
+ return PRIMITIVE2D_ID_SHADOWPRIMITIVE2D;
+ }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */