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/***************************************************************************
imagemap.h - description
-------------------
begin : Wed Apr 4 2001
copyright : (C) 2001 by Jan Schäfer
email : janschaefer@users.sourceforge.net
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef IMAGEMAP_H
#define IMAGEMAP_H
#include <QImage>
#include <QMouseEvent>
#include <QPixmap>
#include <QPoint>
#include <QRect>
#include <QResizeEvent>
#include <QScrollArea>
/**
*@author Jan Schäfer
*/
class KImageMapEditor;
class Area;
class ImageMap : public QScrollArea {
public:
enum DrawAction { None, DrawCircle, DrawRectangle, DrawPolygon, MoveSelectionPoint, MoveArea };
private:
QRect imageRect;
QPoint drawStart;
QPoint drawCurrent;
QPoint drawEnd;
bool eraseOldArea;
Area *oldArea;
// Holds the original image
QImage image;
// Holds the zoomed image for efficiency reasons
QPixmap zoomedImage;
Area *currentArea;
DrawAction currentAction;
QRect *currentSelectionPoint;
KImageMapEditor *imageMapEditor;
double _zoom;
public:
ImageMap(QWidget *parent,KImageMapEditor* _imageMapEditor);
~ImageMap();
void setZoom(double z);
void setPicture(const QImage &_image);
void repaintArea(const Area & a);
QImage picture() const;
QPoint translateFromZoom(const QPoint & p) const;
QPoint translateToZoom(const QPoint & p) const;
QRect translateToZoom(const QRect & p) const;
protected:
virtual void mousePressEvent(QMouseEvent* e);
virtual void mouseDoubleClickEvent(QMouseEvent* e);
virtual void mouseReleaseEvent(QMouseEvent *e);
virtual void mouseMoveEvent(QMouseEvent *e);
virtual void resizeEvent(QResizeEvent* e);
virtual void drawContents(QPainter* p,int clipx,int clipy,int clipw,int cliph);
};
inline QImage ImageMap::picture() const {
return image;
}
#endif
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