- save a bit of memory by caching a pixmap instead

2 files changed, 25 insertions, 25 deletions

diff --git a/noncore/multimedia/opieplayer2/skin.cpp b/noncore/multimedia/opieplayer2/skin.cpp
index e9fb5a6..d6f4080 100644
--- a/noncore/multimedia/opieplayer2/skin.cpp
+++ b/noncore/multimedia/opieplayer2/skin.cpp
@@ -1,328 +1,328 @@
 /*
    Copyright (C) 2002 Simon Hausmann <simon@lst.de>
              (C) 2002 Max Reiss <harlekin@handhelds.org>
              (C) 2002 L. Potter <ljp@llornkcor.com>
              (C) 2002 Holger Freyther <zecke@handhelds.org>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
 */
 
 #include "skin.h"
 #include "singleton.h"
 
 #include <qcache.h>
 #include <qmap.h>
 #include <qtimer.h>
 
 #include <qpe/resource.h>
 #include <qpe/config.h>
 
 #include <assert.h>
 
 struct SkinData
 {
     typedef QMap<QString, QImage> ButtonMaskImageMap;
 
-    QImage backgroundImage;
+    QPixmap backgroundPixmap;
     QImage buttonUpImage;
     QImage buttonDownImage;
     QImage buttonMask;
     ButtonMaskImageMap buttonMasks;
 };
 
 class SkinCache : public Singleton<SkinCache>
 {
 public:
     SkinCache();
 
     SkinData *lookupAndTake( const QString &skinPath, const QString &fileNameInfix );
 
     void store( const QString &skinPath, const QString &fileNameInfix, SkinData *data );
 
 private:
     typedef QCache<SkinData> DataCache;
-    typedef QCache<QImage> BackgroundImageCache;
+    typedef QCache<QPixmap> BackgroundPixmapCache;
 
     template <class CacheType>
     void store( const QCache<CacheType> &cache, const QString &key, CacheType *data );
 
     DataCache m_cache;
-    BackgroundImageCache m_backgroundImageCache;
+    BackgroundPixmapCache m_backgroundPixmapCache;
 };
 
 Skin::Skin( const QString &name, const QString &fileNameInfix )
     : m_fileNameInfix( fileNameInfix )
 {
     init( name );
 }
 
 Skin::Skin( const QString &fileNameInfix )
     : m_fileNameInfix( fileNameInfix )
 {
     init( defaultSkinName() );
 }
 
 Skin::~Skin()
 {
     SkinCache::self().store( m_skinPath, m_fileNameInfix, d );
 }
 
 void Skin::init( const QString &name )
 {
     m_skinPath = "opieplayer2/skins/" + name;
     d = SkinCache::self().lookupAndTake( m_skinPath, m_fileNameInfix );
 }
 
 void Skin::preload( const MediaWidget::SkinButtonInfo *skinButtonInfo, uint buttonCount )
 {
-    backgroundImage();
+    backgroundPixmap();
     buttonUpImage();
     buttonDownImage();
     ( void )buttonMask( skinButtonInfo, buttonCount );
 }
 
-QImage Skin::backgroundImage() const
+QPixmap Skin::backgroundPixmap() const
 {
-    if ( d->backgroundImage.isNull() )
-        d->backgroundImage = loadImage( QString( "%1/background" ).arg( m_skinPath ) );
-    return d->backgroundImage;
+    if ( d->backgroundPixmap.isNull() )
+        d->backgroundPixmap = loadImage( QString( "%1/background" ).arg( m_skinPath ) );
+    return d->backgroundPixmap;
 }
 
 QImage Skin::buttonUpImage() const
 {
     if ( d->buttonUpImage.isNull() )
         d->buttonUpImage = loadImage( QString( "%1/skin%2_up" ).arg( m_skinPath ).arg( m_fileNameInfix ) );
     return d->buttonUpImage;
 }
 
 QImage Skin::buttonDownImage() const
 {
     if ( d->buttonDownImage.isNull() )
         d->buttonDownImage = loadImage( QString( "%1/skin%2_down" ).arg( m_skinPath ).arg( m_fileNameInfix ) );
     return d->buttonDownImage;
 }
 
 QImage Skin::buttonMask( const MediaWidget::SkinButtonInfo *skinButtonInfo, uint buttonCount ) const
 {
     if ( !d->buttonMask.isNull() )
         return d->buttonMask;
 
     QSize buttonAreaSize = buttonUpImage().size();
 
     d->buttonMask = QImage( buttonAreaSize, 8, 255 );
     d->buttonMask.fill( 0 );
 
     for ( uint i = 0; i < buttonCount; ++i )
         addButtonToMask( skinButtonInfo[ i ].command + 1, buttonMaskImage( skinButtonInfo[ i ].fileName ) );
 
     return d->buttonMask;
 }
 
 void Skin::addButtonToMask( int tag, const QImage &maskImage ) const
 {
     if ( maskImage.isNull() )
         return;
 
     uchar **dest = d->buttonMask.jumpTable();
     for ( int y = 0; y < d->buttonMask.height(); y++ ) {
         uchar *line = dest[y];
         for ( int x = 0; x < d->buttonMask.width(); x++ )
             if ( !qRed( maskImage.pixel( x, y ) ) )
                 line[x] = tag;
     }
 }
 
 QImage Skin::buttonMaskImage( const QString &fileName ) const
 {
     SkinData::ButtonMaskImageMap::Iterator it = d->buttonMasks.find( fileName );
     if ( it == d->buttonMasks.end() ) {
         QString prefix = m_skinPath + QString::fromLatin1( "/skin%1_mask_" ).arg( m_fileNameInfix );
         QString path = prefix + fileName + ".png";
         it = d->buttonMasks.insert( fileName, loadImage( path ) );
     }
     return *it;
 }
 
 QString Skin::defaultSkinName()
 {
     Config cfg( "OpiePlayer" );
     cfg.setGroup( "Options" );
     return cfg.readEntry( "Skin", "default" );
 }
 
 QImage Skin::loadImage( const QString &fileName )
 {
     return QImage( Resource::findPixmap( fileName ) );
 }
 
 SkinCache::SkinCache()
 {
     // let's say we cache two skins (audio+video) at maximum
     m_cache.setMaxCost( 2 );
     // ... and one background pixmap
-    m_backgroundImageCache.setMaxCost( 1 );
+    m_backgroundPixmapCache.setMaxCost( 1 );
 }
 
 SkinData *SkinCache::lookupAndTake( const QString &skinPath, const QString &fileNameInfix )
 {
     QString key = skinPath + fileNameInfix;
 
     SkinData *data = m_cache.take( key );
     if ( !data )
         data = new SkinData;
     else
         qDebug( "SkinCache: hit" );
 
-    QImage *bgImage = m_backgroundImageCache.find( skinPath );
-    if ( bgImage ) {
-        qDebug( "SkinCache: hit on bgimage" );
-        data->backgroundImage = *bgImage;
+    QPixmap *bgPixmap = m_backgroundPixmapCache.find( skinPath );
+    if ( bgPixmap ) {
+        qDebug( "SkinCache: hit on bgpixmap" );
+        data->backgroundPixmap = *bgPixmap;
     }
     else
-        data->backgroundImage = QImage();
+        data->backgroundPixmap = QPixmap();
 
     return data;
 }
 
 void SkinCache::store( const QString &skinPath, const QString &fileNameInfix, SkinData *data )
 {
-    QImage *backgroundImage = new QImage( data->backgroundImage );
+    QPixmap *backgroundPixmap = new QPixmap( data->backgroundPixmap );
 
-    data->backgroundImage = QImage();
+    data->backgroundPixmap = QPixmap();
 
     QString key = skinPath + fileNameInfix;
 
     if ( m_cache.find( key, false /*ref*/ ) != 0 ||
          !m_cache.insert( key, data ) )
         delete data;
 
-    if ( m_backgroundImageCache.find( skinPath, false /*ref*/ ) != 0 ||
-         !m_backgroundImageCache.insert( skinPath, backgroundImage ) )
-        delete backgroundImage;
+    if ( m_backgroundPixmapCache.find( skinPath, false /*ref*/ ) != 0 ||
+         !m_backgroundPixmapCache.insert( skinPath, backgroundPixmap ) )
+        delete backgroundPixmap;
 }
 
 SkinLoader::IncrementalLoader::IncrementalLoader( const Info &info )
     : m_skin( info.skinName, info.fileNameInfix ), m_info( info )
 {
-    m_currentState = LoadBackgroundImage;
+    m_currentState = LoadBackgroundPixmap;
 }
 
 SkinLoader::IncrementalLoader::LoaderResult SkinLoader::IncrementalLoader::loadStep()
 {
     switch ( m_currentState ) {
-        case LoadBackgroundImage:
-            qDebug( "load bgimage" );
-            m_skin.backgroundImage();
+        case LoadBackgroundPixmap:
+            qDebug( "load bgpixmap" );
+            m_skin.backgroundPixmap();
             m_currentState = LoadButtonUpImage;
             break;
         case LoadButtonUpImage:
             qDebug( "load upimage" );
             m_skin.buttonUpImage();
             m_currentState = LoadButtonDownImage;
             break;
         case LoadButtonDownImage:
             qDebug( "load downimage" );
             m_skin.buttonDownImage();
             m_currentState = LoadButtonMasks;
             m_currentButton = 0;
             break;
         case LoadButtonMasks:
             qDebug( "load button masks %i", m_currentButton );
             m_skin.buttonMaskImage( m_info.buttonInfo[ m_currentButton ].fileName );
 
             m_currentButton++;
             if ( m_currentButton >= m_info.buttonCount )
                 m_currentState = LoadButtonMask;
 
             break;
         case LoadButtonMask:
             qDebug( "load whole mask" );
             m_skin.buttonMask( m_info.buttonInfo, m_info.buttonCount );
             return LoadingCompleted;
     }
 
     return MoreToCome;
 }
 
 SkinLoader::SkinLoader()
     : m_currentLoader( 0 ), m_timerId( -1 )
 {
 }
 
 SkinLoader::~SkinLoader()
 {
     qDebug( "SkinLoader::~SkinLoader()" );
     killTimers();
     delete m_currentLoader;
 }
 
 void SkinLoader::schedule( const MediaWidget::GUIInfo &guiInfo )
 {
     schedule( Skin::defaultSkinName(), guiInfo );
 }
 
 void SkinLoader::schedule( const QString &skinName, const MediaWidget::GUIInfo &guiInfo )
 {
     pendingSkins << Info( skinName, guiInfo );
 }
 
 void SkinLoader::start()
 {
     assert( m_timerId == -1 );
     m_timerId = startTimer( 100 /* ms */ );
     qDebug( "SkinLoader::start() %d jobs", pendingSkins.count() );
 }
 
 void SkinLoader::timerEvent( QTimerEvent *ev )
 {
     if ( ev->timerId() != m_timerId ) {
         QObject::timerEvent( ev );
         return;
     }
 
     if ( !m_currentLoader ) {
 
         if ( pendingSkins.isEmpty() ) {
             qDebug( "all jobs done" );
             killTimer( m_timerId );
             m_timerId = -1;
             // ### qt3: use deleteLater();
             QTimer::singleShot( 0, this, SLOT( deleteMe() ) );
             return;
         }
 
         Info nfo = *pendingSkins.begin();
         pendingSkins.remove( pendingSkins.begin() );
 
         m_currentLoader = new IncrementalLoader( nfo );
         qDebug( "new loader %i jobs left", pendingSkins.count() );
     }
 
     if ( m_currentLoader->loadStep() == IncrementalLoader::LoadingCompleted ) {
         delete m_currentLoader;
         m_currentLoader = 0;
     }
 
     qDebug( "finished step" );
 }
 
 void SkinLoader::deleteMe()
 {
     delete this;
 }
 
 /* vim: et sw=4 ts=4
  */
diff --git a/noncore/multimedia/opieplayer2/skin.h b/noncore/multimedia/opieplayer2/skin.h
index a43a1d0..90062c2 100644
--- a/noncore/multimedia/opieplayer2/skin.h
+++ b/noncore/multimedia/opieplayer2/skin.h
@@ -1,124 +1,124 @@
 /*
    Copyright (C) 2002 Simon Hausmann <simon@lst.de>
              (C) 2002 Max Reiss <harlekin@handhelds.org>
              (C) 2002 L. Potter <ljp@llornkcor.com>
              (C) 2002 Holger Freyther <zecke@handhelds.org>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
 */
 
 #ifndef SKIN_H
 #define SKIN_H
 
 #include <qstring.h>
 #include <qimage.h>
 #include <qobject.h>
 
 #include "mediawidget.h"
 
 struct SkinData;
 
 class Skin
 {
 public:
     Skin( const QString &name, const QString &fileNameInfix );
     Skin( const QString &fileNameInfix );
     ~Skin();
 
     void preload( const MediaWidget::SkinButtonInfo *skinButtonInfo, uint buttonCount );
 
-    QImage backgroundImage() const;
+    QPixmap backgroundPixmap() const;
     QImage buttonUpImage() const;
     QImage buttonDownImage() const;
 
     QImage buttonMask( const MediaWidget::SkinButtonInfo *skinButtonInfo, uint buttonCount ) const;
 
     QImage buttonMaskImage( const QString &fileName ) const;
 
     static QString defaultSkinName();
 
 private:
     void init( const QString &name );
 
     void addButtonToMask( int tag, const QImage &maskImage ) const;
 
     static QImage loadImage( const QString &fileName );
 
     QString m_fileNameInfix;
     QString m_skinPath;
 
     SkinData *d;
 
     Skin( const Skin & );
     Skin &operator=( const Skin & );
 };
 
 class SkinLoader : public QObject
 {
     Q_OBJECT
 public:
     SkinLoader();
     virtual ~SkinLoader();
 
     void schedule( const MediaWidget::GUIInfo &guiInfo );
     void schedule( const QString &skinName, const MediaWidget::GUIInfo &guiInfo );
 
     void start();
 
 protected:
     virtual void timerEvent( QTimerEvent *ev );
 
 private slots:
     void deleteMe();
 
 private:
     struct Info : public MediaWidget::GUIInfo
     {
         Info() {}
         Info( const QString &_skinName, const MediaWidget::GUIInfo &guiInfo )
             : MediaWidget::GUIInfo( guiInfo ), skinName( _skinName )
         {}
 
         QString skinName;
     };
     typedef QValueList<Info> InfoList;
 
     class IncrementalLoader
     {
     public:
         enum LoaderResult { LoadingCompleted, MoreToCome };
 
         IncrementalLoader( const Info &info );
 
         LoaderResult loadStep();
 
     private:
-        enum State { LoadBackgroundImage, LoadButtonUpImage, LoadButtonDownImage, LoadButtonMasks, LoadButtonMask };
+        enum State { LoadBackgroundPixmap, LoadButtonUpImage, LoadButtonDownImage, LoadButtonMasks, LoadButtonMask };
 
         Skin m_skin;
         Info m_info;
         State m_currentState;
         uint m_currentButton;
     };
 
     InfoList pendingSkins;
     IncrementalLoader *m_currentLoader;
     int m_timerId;
 };
 
 #endif // SKIN_H
 /* vim: et sw=4 ts=4
  */