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/*
    This file is part of libtdepim.

    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 __KPIXMAPREGIONSELECTORDIALOG_H__
#define __KPIXMAPREGIONSELECTORDIALOG_H__

#include <kdialogbase.h>
#include <libtdepim/kpixmapregionselectorwidget.h>
#include <tqimage.h>
#include <tdepimmacros.h>

namespace KPIM {

/**
 * A dialog that uses a KPixmapRegionSelectorWidget to allow the user
 * to select a region of an image. If you want to use special features
 * like forcing the selected area to have a fixed aspect ratio, you can use
 * @see pixmapRegionSelectorWidget() to get the pointer to the
 * pixmapRegionSelectorWidget object and set the desired options there.
 *
 * There are some convenience methods that allow to easily show a dialog
 * for the user to select a region of an image, and just care about the selected
 * image.
 *
 * @author Antonio Larrosa <larrosa@kde.org>
 * @since 3.4
 */
class KDE_EXPORT KPixmapRegionSelectorDialog : public KDialogBase
{
public:
   /**
    * The constructor of an empty KPixmapRegionSelectorDialog, you have to call
    * later the setPixmap method of the KPixmapRegionSelectorWidget widget of
    * the new object.
    */
   KPixmapRegionSelectorDialog(TQWidget *parent=0L, const char *name=0L,
                      bool modal = false );
   /**
    * The destructor of the dialog
    */
   ~KPixmapRegionSelectorDialog();

   /**
    * @returns the KPixmapRegionSelectorWidget widget so that additional
    * parameters can be set by using it.
    */
   KPIM::KPixmapRegionSelectorWidget *pixmapRegionSelectorWidget() const
      { return m_pixmapSelectorWidget; }

   /**
    * Creates a modal dialog, lets the user to select a region of the @p pixmap
    * and returns when the dialog is closed.
    *
    * @returns the selected rectangle, or an invalid rectangle if the user
    * pressed the Cancel button.
    */
   static TQRect getSelectedRegion(const TQPixmap &pixmap, TQWidget *parent = 0L );

   /**
    * Creates a modal dialog, lets the user to select a region of the @p pixmap
    * with the same aspect ratio than @p aspectRatioWidth x @p aspectRatioHeight
    * and returns when the dialog is closed.
    *
    * @returns the selected rectangle, or an invalid rectangle if the user
    * pressed the Cancel button.
    */
   static TQRect getSelectedRegion(const TQPixmap &pixmap, int aspectRatioWidth, int aspectRatioHeight, TQWidget *parent = 0L );

   /**
    * Creates a modal dialog, lets the user to select a region of the @p pixmap
    * and returns when the dialog is closed.
    *
    * @returns the selected image, or an invalid image if the user
    * pressed the Cancel button.
    */
   static TQImage getSelectedImage(const TQPixmap &pixmap, TQWidget *parent = 0L );

   /**
    * Creates a modal dialog, lets the user to select a region of the @p pixmap
    * with the same aspect ratio than @p aspectRatioWidth x @p aspectRatioHeight
    * and returns when the dialog is closed.
    *
    * @returns the selected image, or an invalid image if the user
    * pressed the Cancel button.
    */
   static TQImage getSelectedImage(const TQPixmap &pixmap, int aspectRatioWidth, int aspectRatioHeight, TQWidget *parent = 0L );

protected:
   KPIM::KPixmapRegionSelectorWidget *m_pixmapSelectorWidget;
};

}

#endif