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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 <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() ),
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() )),
mxColorNode );
default:
ENSURE_OR_THROW( false, "AnimationColorNode::createColorActivity(): "
"Unexpected color space" );
}
return AnimationActivitySharedPtr();
}
} // namespace slideshow::internal
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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