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#ifndef OPIE_ODP_IMAGE_ZOOMER_H
#define OPIE_ODP_IMAGE_ZOOMER_H
#include <qframe.h>
#include <qimage.h>
class QPixmap;
class QRect;
class QPoint;
namespace Opie {
namespace MM {
/**
* \brief small class to zoom over a widget
* This class takes a QImage or QPixmap
* and gets the size of the original image
* and provides depending of this widgets size
* a zoomer and emits the region which should
* be shown / zoomed to
*/
class OImageZoomer : public QFrame {
Q_OBJECT
public:
OImageZoomer( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
OImageZoomer( const QPixmap&,QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
OImageZoomer( const QImage&, QWidget* parent = 0, const char* name= 0, WFlags fl = 0 );
OImageZoomer( const QSize&, const QSize&, QWidget* par, const char*, WFlags fl );
~OImageZoomer();
public slots:
void setImageSize( const QSize& );
void setViewPortSize( const QSize& );
void setVisiblePoint( const QPoint& );
void setVisiblePoint( int x, int y );
void setImage( const QImage& );
void setImage( const QPixmap& );
signals:
void zoomAreaRel( int,int );
void zoomArea( int,int );
public:
void resizeEvent( QResizeEvent* );
protected:
void drawContents( QPainter* p );
void mousePressEvent( QMouseEvent* ev );
void mouseMoveEvent( QMouseEvent* ev );
private:
void init();
QImage m_img;
QSize m_imgSize, m_visSize;
QPoint m_visPt;
int m_mouseX, m_mouseY;
};
inline void OImageZoomer::setVisiblePoint( int x, int y ) {
setVisiblePoint( QPoint( x, y ) );
}
}
}
#endif
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