kpixmapregionselectorwidget.h

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/* This file is part of the KDE libraries
    Copyright (C) 2004 Antonio Larrosa <larrosa@kde.org

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef KPIXMAPREGIONSELECTORWIDGET_H
#define KPIXMAPREGIONSELECTORWIDGET_H

#include <kdeui_export.h>

#include <QtGui/QPixmap>
#include <QtGui/QWidget>

class KMenu;


class KDEUI_EXPORT KPixmapRegionSelectorWidget : public QWidget
{
   Q_OBJECT
    Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap)
   
public:
    enum RotateDirection{ Rotate90,  
                          Rotate180, 
                          Rotate270  
    };

   explicit KPixmapRegionSelectorWidget( QWidget *parent = 0 );

   ~KPixmapRegionSelectorWidget();

   void setPixmap( const QPixmap &pixmap );

   QPixmap pixmap() const;

   void setSelectedRegion(const QRect &rect);

   QRect selectedRegion() const;

   QRect unzoomedSelectedRegion() const;

   void resetSelection();

   QImage selectedImage() const;

   void setSelectionAspectRatio(int width, int height);

   void setFreeSelectionAspectRatio();

   void setMaximumWidgetSize( int width, int height );

   void rotate(RotateDirection direction);

public Q_SLOTS:
   void rotateClockwise();
   void rotateCounterclockwise();

Q_SIGNALS:
    void pixmapRotated();

protected:
   virtual KMenu *createPopupMenu();

private:
   bool eventFilter(QObject *obj, QEvent *ev);
   
   class Private;
   friend class Private;
   Private* const d;
   
   Q_DISABLE_COPY(KPixmapRegionSelectorWidget)
};

#endif