Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : // must be first
      22             : #include <canvas/debug.hxx>
      23             : #include <canvas/verbosetrace.hxx>
      24             : #include <com/sun/star/animations/AnimationColorSpace.hpp>
      25             : 
      26             : #include "coloranimation.hxx"
      27             : #include "hslcoloranimation.hxx"
      28             : #include "animationcolornode.hxx"
      29             : #include "animationfactory.hxx"
      30             : #include "activitiesfactory.hxx"
      31             : 
      32             : using namespace com::sun::star;
      33             : 
      34             : namespace slideshow {
      35             : namespace internal {
      36             : 
      37             : namespace {
      38             : /** Little wrapper for HSL to RGB mapping.
      39             : 
      40             :     This class implements the HSLColorAnimation interface,
      41             :     internally converting to RGB and forwarding to
      42             :     ColorAnimation.
      43             : */
      44           0 : class HSLWrapper : public HSLColorAnimation
      45             : {
      46             : public:
      47           0 :     HSLWrapper( const ColorAnimationSharedPtr& rAnimation )
      48           0 :         : mpAnimation( rAnimation )
      49             :     {
      50           0 :         ENSURE_OR_THROW(
      51             :             mpAnimation,
      52             :             "HSLWrapper::HSLWrapper(): Invalid color animation delegate" );
      53           0 :     }
      54             : 
      55           0 :     virtual void prefetch( const AnimatableShapeSharedPtr&,
      56             :                            const ShapeAttributeLayerSharedPtr& )
      57           0 :     {}
      58             : 
      59           0 :     virtual void start( const AnimatableShapeSharedPtr&     rShape,
      60             :                         const ShapeAttributeLayerSharedPtr& rAttrLayer )
      61             :     {
      62           0 :         mpAnimation->start( rShape, rAttrLayer );
      63           0 :     }
      64             : 
      65           0 :     virtual void end()
      66             :     {
      67           0 :         mpAnimation->end();
      68           0 :     }
      69             : 
      70           0 :     virtual bool operator()( const HSLColor& rColor )
      71             :     {
      72           0 :         return (*mpAnimation)( RGBColor( rColor ) );
      73             :     }
      74             : 
      75           0 :     virtual HSLColor getUnderlyingValue() const
      76             :     {
      77           0 :         return HSLColor( mpAnimation->getUnderlyingValue() );
      78             :     }
      79             : 
      80             : private:
      81             :     ColorAnimationSharedPtr mpAnimation;
      82             : };
      83             : 
      84             : } // anon namespace
      85             : 
      86           0 : AnimationActivitySharedPtr AnimationColorNode::createActivity() const
      87             : {
      88           0 :     ActivitiesFactory::CommonParameters aParms( fillCommonParameters() );
      89             : 
      90           0 :     switch( mxColorNode->getColorInterpolation() )
      91             :     {
      92             :     case animations::AnimationColorSpace::RGB:
      93             :         return ActivitiesFactory::createAnimateActivity(
      94             :             aParms,
      95             :             AnimationFactory::createColorPropertyAnimation(
      96           0 :                 mxColorNode->getAttributeName(),
      97             :                 getShape(),
      98           0 :                 getContext().mpSubsettableShapeManager,
      99           0 :                 getSlideSize() ),
     100           0 :             getXAnimateNode() );
     101             : 
     102             :     case animations::AnimationColorSpace::HSL:
     103             :         // Wrap a plain ColorAnimation with the HSL
     104             :         // wrapper, which implements the HSLColorAnimation
     105             :         // interface, and internally converts HSL to RGB color
     106             :         return ActivitiesFactory::createAnimateActivity(
     107             :             aParms,
     108             :             HSLColorAnimationSharedPtr(
     109             :                 new HSLWrapper(
     110             :                     AnimationFactory::createColorPropertyAnimation(
     111           0 :                         mxColorNode->getAttributeName(),
     112             :                         getShape(),
     113           0 :                         getContext().mpSubsettableShapeManager,
     114           0 :                         getSlideSize() ))),
     115           0 :             mxColorNode );
     116             : 
     117             :     default:
     118           0 :         ENSURE_OR_THROW( false, "AnimationColorNode::createColorActivity(): "
     119             :                           "Unexpected color space" );
     120             :     }
     121             : 
     122           0 :     return AnimationActivitySharedPtr();
     123             : }
     124             : 
     125             : } // namespace internal
     126             : } // namespace slideshow
     127             : 
     128             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */