1 files changed, 123 insertions, 0 deletions
diff --git a/slideshow/source/engine/animationnodes/animationcolornode.cxx b/slideshow/source/engine/animationnodes/animationcolornode.cxx
new file mode 100644
index 000000000..14a32aae4
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationcolornode.cxx
@@ -0,0 +1,123 @@
+/* -*- 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 <com/sun/star/animations/AnimationColorSpace.hpp>
+
+#include <coloranimation.hxx>
+#include <hslcoloranimation.hxx>
+#include "animationcolornode.hxx"
+#include <animationfactory.hxx>
+#include <activitiesfactory.hxx>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+namespace {
+/** Little wrapper for HSL to RGB mapping.
+
+    This class implements the HSLColorAnimation interface,
+    internally converting to RGB and forwarding to
+    ColorAnimation.
+*/
+class HSLWrapper : public HSLColorAnimation
+{
+public:
+    explicit HSLWrapper( const ColorAnimationSharedPtr& rAnimation )
+        : mpAnimation( rAnimation )
+    {
+        ENSURE_OR_THROW(
+            mpAnimation,
+            "HSLWrapper::HSLWrapper(): Invalid color animation delegate" );
+    }
+
+    virtual void prefetch() override
+    {}
+
+    virtual void start( const AnimatableShapeSharedPtr&     rShape,
+                        const ShapeAttributeLayerSharedPtr& rAttrLayer ) override
+    {
+        mpAnimation->start( rShape, rAttrLayer );
+    }
+
+    virtual void end() override
+    {
+        mpAnimation->end();
+    }
+
+    virtual bool operator()( const HSLColor& rColor ) override
+    {
+        return (*mpAnimation)( RGBColor( rColor ) );
+    }
+
+    virtual HSLColor getUnderlyingValue() const override
+    {
+        return HSLColor( mpAnimation->getUnderlyingValue() );
+    }
+
+private:
+    ColorAnimationSharedPtr mpAnimation;
+};
+
+} // anon namespace
+
+AnimationActivitySharedPtr AnimationColorNode::createActivity() const
+{
+    ActivitiesFactory::CommonParameters aParms( fillCommonParameters() );
+
+    switch( mxColorNode->getColorInterpolation() )
+    {
+    case animations::AnimationColorSpace::RGB:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createColorPropertyAnimation(
+                mxColorNode->getAttributeName(),
+                getShape(),
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(),
+                getContext().mpBox2DWorld ),
+            getXAnimateNode() );
+
+    case animations::AnimationColorSpace::HSL:
+        // Wrap a plain ColorAnimation with the HSL
+        // wrapper, which implements the HSLColorAnimation
+        // interface, and internally converts HSL to RGB color
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            std::make_shared<HSLWrapper>(
+                    AnimationFactory::createColorPropertyAnimation(
+                        mxColorNode->getAttributeName(),
+                        getShape(),
+                        getContext().mpSubsettableShapeManager,
+                        getSlideSize(),
+                        getContext().mpBox2DWorld )),
+            mxColorNode );
+
+    default:
+        ENSURE_OR_THROW( false, "AnimationColorNode::createColorActivity(): "
+                          "Unexpected color space" );
+    }
+
+    return AnimationActivitySharedPtr();
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */