9eec5543bf
shadow tilesets between clients, thus reducing the memory usage; to simplify the oxygenclient class; and leave room for optimizing active/inactive shadow transitions. The global class is declared using K_GLOBAL_STATIC_WITH_ARGS. Also cleaned-up unnecessary headers. svn path=/trunk/KDE/kdebase/workspace/; revision=1025063
137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
#ifndef oxygenshadowcache_h
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#define oxygenshadowcache_h
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//////////////////////////////////////////////////////////////////////////////
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// oxygenshadowcache.h
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// handles caching of TileSet objects to draw shadows
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// -------------------
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//
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// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//////////////////////////////////////////////////////////////////////////////
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#include <QCache>
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#include "oxygenshadowconfiguration.h"
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#include "lib/tileset.h"
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namespace Oxygen
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{
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class OxygenClient;
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class OxygenShadowCache
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{
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public:
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//! constructor
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OxygenShadowCache( int maxIndex );
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//! destructor
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virtual ~OxygenShadowCache( void )
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{}
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//! invalidate caches
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void invalidateCaches( void )
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{
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shadowCache_.clear();
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}
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//! returns true if provided shadow configuration changes with respect to stored
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/*!
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use OxygenShadowConfiguration::colorRole() to decide whether it should be stored
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as active or inactive
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*/
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bool shadowConfigurationChanged( const OxygenShadowConfiguration& ) const;
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//! set shadowConfiguration
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/*!
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use OxygenShadowConfiguration::colorRole() to decide whether it should be stored
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as active or inactive
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*/
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void setShadowConfiguration( const OxygenShadowConfiguration& );
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//! shadow size
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qreal shadowSize( void ) const
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{ return qMax( activeShadowConfiguration_.shadowSize(), inactiveShadowConfiguration_.shadowSize() ); }
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//! get shadow matching client
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TileSet* tileSet( const OxygenClient* );
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//! get shadow matching client and animation index
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TileSet* tileSet( const OxygenClient*, int );
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//! Key class to be used into QCache
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class Key
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{
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public:
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//! explicit constructor
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explicit Key( void ):
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active(false),
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useOxygenShadows(false),
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isShade(false),
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hasNoBorder(false),
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hasTitleOutline(false)
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{}
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//! hash function
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int hash( void ) const;
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bool active;
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bool useOxygenShadows;
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bool isShade;
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bool hasNoBorder;
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bool hasTitleOutline;
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};
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private:
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//! complex pixmap (when needed)
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QPixmap shadowPixmap( const OxygenClient*, bool active ) const;
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//! simple pixmap
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QPixmap simpleShadowPixmap( const QColor&, const OxygenClient*, bool active ) const;
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private:
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//! max index
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/*! it is used to set caches max cost, and calculate animation opacity */
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int maxIndex_;
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//! shadow configuration
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OxygenShadowConfiguration activeShadowConfiguration_;
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//! shadow configuration
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OxygenShadowConfiguration inactiveShadowConfiguration_;
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//! cache
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typedef QCache<int, TileSet> TileSetCache;
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//! active shadow cache
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TileSetCache shadowCache_;
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};
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}
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#endif
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