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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /slideshow/source/engine/animationnodes/animationcolornode.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream/1%7.0.4.tar.xz libreoffice-upstream/1%7.0.4.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'slideshow/source/engine/animationnodes/animationcolornode.cxx')
-rw-r--r-- | slideshow/source/engine/animationnodes/animationcolornode.cxx | 121 |
1 files changed, 121 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..39ca961c4 --- /dev/null +++ b/slideshow/source/engine/animationnodes/animationcolornode.cxx @@ -0,0 +1,121 @@ +/* -*- 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: */ |