kis_previewwidget.h

/*
 *  kis_previewwidget.h - part of Chalk
 *
 *  Copyright (c) 2001 John Califf  <jcaliff@compuzone.net>
 *  Copyright (c) 2004 Bart Coppens <kde@bartcoppens.be>
 *  Copyright (c) 2005 Cyrille Berger <cberger@cberger.net>
 *  Copyright (c) 2007 Benjamin Schleimer <bensch128@yahoo.com>
 *
 *  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; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
#ifndef __kis_previewwidget_h__
#define __kis_previewwidget_h__
 
#include <tqimage.h>
#include <tqevent.h>
 
#include "kis_types.h"
 
#include "kis_previewwidgetbase.h"
 
class TQWidget;
class KisProfile;
class KisFilter;
class KisFilterConfiguration;
class TQTimer;
class KisLabelProgress;
 
class KisPreviewWidget : public PreviewWidgetBase
{
    TQ_OBJECT
  
 
public:
    KisPreviewWidget( TQWidget* parent = 0, const char* name = 0 );
    virtual ~KisPreviewWidget();
 
    bool getAutoUpdate() const;
 
    void wheelEvent(TQWheelEvent * e);
 
    void runFilter(KisFilter * filter, KisFilterConfiguration * config);
 
public slots:
 
    void slotSetDevice(KisPaintDeviceSP dev);
 
    void slotSetAutoUpdate(bool set);
 
    void setPreviewDisplayed(bool v);
    
    void needUpdate();
    
signals:
    void updated();
 
private slots:
 
    void zoomIn();
    void zoomOut();
    void zoomOneToOne();
 
    void forceUpdate();
 
    void updateZoom();
 
    void runFilterHelper();
 
private:
    void zoomChanged(const double zoom);
 
    bool m_autoupdate; 
    bool m_previewIsDisplayed; 
 
    TQImage m_scaledOriginal; 
    bool m_dirtyOriginal; 
    KisPaintDeviceSP m_origDevice; 
    
    TQImage m_scaledPreview; 
    bool m_dirtyPreview; 
    KisPaintDeviceSP m_previewDevice; 
    KisImageSP m_scaledImage; 
 
    double m_filterZoom; 
    double m_zoom; 
    KisProfile * m_profile; 
 
    KisLabelProgress *m_progress; 
 
    TQTimer * m_zoomTimer; 
    TQTimer * m_filterTimer; 
    KisFilter * m_filter; 
    KisFilterConfiguration * m_config; 
    bool m_firstFilter; 
    bool m_firstZoom; 
};
 
#endif