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KDEUI

kpixmapregionselectorwidget.h

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00001 /* This file is part of the KDE libraries
00002     Copyright (C) 2004 Antonio Larrosa <larrosa@kde.org
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to
00016     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017     Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef KPIXMAPREGIONSELECTORWIDGET_H
00021 #define KPIXMAPREGIONSELECTORWIDGET_H
00022 
00023 #include <kdeui_export.h>
00024 
00025 #include <QtGui/QPixmap>
00026 #include <QtGui/QWidget>
00027 
00028 class KMenu;
00029 
00030 
00042 class KDEUI_EXPORT KPixmapRegionSelectorWidget : public QWidget
00043 {
00044    Q_OBJECT
00045 public:
00050     enum RotateDirection{ Rotate90,  
00051                           Rotate180, 
00052                           Rotate270  
00053     };
00054 
00058    explicit KPixmapRegionSelectorWidget( QWidget *parent = 0 );
00059 
00063    ~KPixmapRegionSelectorWidget();
00064 
00070    void setPixmap( const QPixmap &pixmap );
00071 
00076    QPixmap pixmap() const;
00077 
00081    void setSelectedRegion(const QRect &rect);
00082 
00086    QRect selectedRegion() const;
00087 
00091    QRect unzoomedSelectedRegion() const;
00092 
00096    void resetSelection();
00097 
00102    QImage selectedImage() const;
00103 
00109    void setSelectionAspectRatio(int width, int height);
00110 
00116    void setFreeSelectionAspectRatio();
00117 
00123    void setMaximumWidgetSize( int width, int height );
00124 
00131    void rotate(RotateDirection direction);
00132 
00133 public Q_SLOTS:
00137    void rotateClockwise();
00141    void rotateCounterclockwise();
00142 
00143 protected:
00147    virtual KMenu *createPopupMenu();
00148 
00149 private:
00150    bool eventFilter(QObject *obj, QEvent *ev);
00151    
00152    class Private;
00153    friend class Private;
00154    Private* const d;
00155    
00156    Q_DISABLE_COPY(KPixmapRegionSelectorWidget)
00157 };
00158 
00159 #endif
00160 

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