animationcolornode.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * 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
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 *   ownership. The ASF licenses this file to you under the Apache
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#include <com/sun/star/animations/AnimationColorSpace.hpp>
 
#include <coloranimation.hxx>
#include <hslcoloranimation.hxx>
#include "animationcolornode.hxx"
#include <animationfactory.hxx>
#include <activitiesfactory.hxx>
#include <utility>
 
using namespace com::sun::star;
 
namespace slideshow::internal {
 
namespace {
class HSLWrapper : public HSLColorAnimation
{
public:
    explicit HSLWrapper( ColorAnimationSharedPtr xAnimation )
        : mpAnimation(std::move( xAnimation ))
    {
        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
 
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