1 files changed, 94 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/shadowprimitive2d.cxx b/drawinglayer/source/primitive2d/shadowprimitive2d.cxx
new file mode 100644
index 000000000..758aca3d2
--- /dev/null
+++ b/drawinglayer/source/primitive2d/shadowprimitive2d.cxx
@@ -0,0 +1,94 @@
+/* -*- 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: */