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/*
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 <qpe/resource.h>
#include <qpe/config.h>
#include <assert.h>
struct SkinData
{
typedef QMap<QString, QImage> ButtonMaskImageMap;
QImage backgroundImage;
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<QPixmap> BackgroundPixmapCache;
DataCache m_cache;
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();
buttonUpImage();
buttonDownImage();
( void )buttonMask( skinButtonInfo, buttonCount );
}
QImage Skin::backgroundImage() const
{
if ( d->backgroundImage.isNull() )
d->backgroundImage = loadImage( QString( "%1/background" ).arg( m_skinPath ) );
return d->backgroundImage;
}
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()
{
}
SkinData *SkinCache::lookupAndTake( const QString &skinPath, const QString &fileNameInfix )
{
return new SkinData;
}
void SkinCache::store( const QString &skinPath, const QString &fileNameInfix, SkinData *data )
{
delete data;
}
SkinLoader::SkinLoader()
{
}
void SkinLoader::schedule( const QString &skinName, const QString &fileNameInfix,
const MediaWidget::SkinButtonInfo *skinButtonInfo, const uint buttonCount )
{
assert( isRunning() == false );
pendingSkins << Info( skinName, fileNameInfix, skinButtonInfo, buttonCount );
}
void SkinLoader::run()
{
qDebug( "SkinLoader::run()" );
for ( InfoList::ConstIterator it = pendingSkins.begin(); it != pendingSkins.end(); ++it )
load( *it );
qDebug( "SkinLoader is done." );
}
void SkinLoader::load( const Info &nfo )
{
qDebug( "preloading %s with infix %s", nfo.skinName.ascii(), nfo.fileNameInfix.ascii() );
Skin skin( nfo.skinName, nfo.fileNameInfix );
skin.preload( nfo.skinButtonInfo, nfo.buttonCount );
}
/* vim: et sw=4 ts=4
*/
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