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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-01-04
* Description : a Digikam image editor plugin for superimpose a
* template to an image.
*
* Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
* Copyright (C) 2006-2008 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
*
* 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, 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.
*
* ============================================================ */
#ifndef SUPERIMPOSEWIDGET_H
#define SUPERIMPOSEWIDGET_H
// TQt includes.
#include <tqwidget.h>
#include <tqimage.h>
#include <tqrect.h>
#include <tqsize.h>
#include <tqpixmap.h>
// KDE includes.
#include <kurl.h>
// Digikam includes.
#include "imageiface.h"
#include "dimg.h"
class TQPixmap;
namespace Digikam
{
class ImageIface;
}
namespace DigikamSuperImposeImagesPlugin
{
enum Action
{
ZOOMIN=0,
ZOOMOUT,
MOVE
};
class SuperImposeWidget : public TQWidget
{
TQ_OBJECT
public:
SuperImposeWidget(int w, int h, TQWidget *parent=0);
~SuperImposeWidget();
void setEditMode(int mode);
void resetEdit(void);
TQRect getCurrentSelection(void);
TQSize getTemplateSize(void);
Digikam::DImg makeSuperImpose(void);
public slots:
void slotEditModeChanged(int mode);
void slotSetCurrentTemplate(const KURL& url);
protected:
void paintEvent( TQPaintEvent *e );
void resizeEvent( TQResizeEvent * e );
void mousePressEvent ( TQMouseEvent * e );
void mouseReleaseEvent ( TQMouseEvent * e );
void mouseMoveEvent ( TQMouseEvent * e );
bool zoomSelection(float deltaZoomFactor);
void moveSelection(int x, int y);
void makePixmap(void);
void setEditModeCursor();
private:
int m_w;
int m_h;
int m_xpos;
int m_ypos;
int m_editMode;
float m_zoomFactor;
TQPixmap *m_pixmap; // For image region selection manipulations.
TQRect m_rect; // For mouse drag position.
TQRect m_currentSelection; // Region selection in image displayed in the widget.
Digikam::DImg m_template; // Full template data.
Digikam::DImg m_templateScaled; // Template scaled to preview widget
};
} // NameSpace DigikamSuperImposeImagesPlugin
#endif /* SUPERIMPOSEWIDGET_H */
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