yacreader/YACReader/magnifying_glass.h

#ifndef __MAGNIFYING_GLASS
#define __MAGNIFYING_GLASS

#include <QLabel>
#include <QtGui>
#include <QMouseEvent>
#include <QWidget>

	class MagnifyingGlass : public QLabel
	{
		Q_OBJECT
	private:
		float zoomLevel;
		void setup(const QSize & size);
		void keyPressEvent(QKeyEvent * event);
	public:
		MagnifyingGlass(int width,int height,QWidget * parent);
		MagnifyingGlass(const QSize & size, QWidget * parent);
		void mouseMoveEvent(QMouseEvent * event);
	public slots:	
		void updateImage(int x, int y);
		void updateImage();
		void wheelEvent(QWheelEvent * event);
		void zoomIn();
		void zoomOut();
		void sizeUp();
		void sizeDown();
		void heightUp();
		void heightDown();
		void widthUp();
		void widthDown();
	};

#endif