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#ifndef SvgEngine_h
#define SvgEngine_h
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "Margins.h"
#include "SvgRenderer.h"
#include "SvgThread.h"
#include <QSize>
#include <QObject>
//* svg namespace
namespace Svg
{
class SvgPlasmaInterface;
//* customized Icon factory to provide better looking disabled icons
class SvgEngine: public QObject
{
Q_OBJECT;
public:
//* retrieve singleton
static SvgEngine& get();
//*@name accessors
//@{
//* create pixmap
/** the size is stored into a cache to avoid duplicate pixmaps manipulations */
static QPixmap get( SvgId id )
{ return get()._get( id ); }
//* is valid
bool isValid() const
{ return renderer_.isValid(); }
//* margins
Base::Margins margins() const
{ return margins_; }
//* outer padding
Base::Margins outerPadding() const
{ return outerPadding_; }
//* true if reload is needed on palette change
bool needsReloadOnPaletteChange() const;
//@}
//*@name modifiers
//@{
/** uses a separate thread, in order not to slow down application */
void preload( const SvgId::List& );
Q_SIGNALS:
//* emitted when svg files are changed
void changed();
public Q_SLOTS:
//* reload all icons set in cache from new path list
/** return true if changed */
bool forceReload()
{ return reload( true ); }
//* reload all icons set in cache from new path list
/** return true if changed */
bool reload( bool forced = false );
protected Q_SLOTS:
//* process image cache generated from thread
void _processImageCache( const Svg::ImageCache& );
//* load svg
bool _loadSvg( bool forced = false );
private:
//*@name non static methods are hidden
//@{
//* constructor
explicit SvgEngine();
//* create icon
/** the file is stored into a cache to avoid all pixmaps manipulations */
QPixmap _get( const SvgId&, bool fromCache = true );
//@}
//* plasma interface
SvgPlasmaInterface *plasmaInterface_ = nullptr;
//* svg file
QString svgFile_;
//* svg renderer
SvgRenderer renderer_;
//* map size and pixmap
PixmapCache cache_;
//* thread preload sizes
SvgThread thread_;
//* margins
Base::Margins margins_;
//* outer padding
Base::Margins outerPadding_;
};
};
#endif
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