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#ifndef _IMAGE_SCROLL_VIEW_H
#define _IMAGE_SCROLL_VIEW_H
#include <qscrollview.h>
#include <qimage.h>
#include <qstring.h>
#include <qdialog.h>
class QPainter;
class ImageScrollView:public QScrollView
{
Q_OBJECT
public:
ImageScrollView( QWidget* parent, const char* name = 0, WFlags fl = 0 );
ImageScrollView (const QImage&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false );
ImageScrollView (const QString&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false );
virtual ~ImageScrollView();
void setImage(const QImage&);
void setImage( const QString& path );
void setDestructiveClose();
void setAutoRotate(bool);
void setAutoScale(bool);
enum Rotation {
Rotate0,
Rotate90,
Rotate180,
Rotate270
};
signals:
void sig_return();
protected:
virtual void drawContents ( QPainter * p, int clipx, int clipy, int clipw, int cliph );
void init();
QImage _image_data;
QImage _original_data;
int _mouseStartPosX,_mouseStartPosY;
bool scale_to_fit;
bool rotate_to_fit;
bool first_resize_done;
Rotation last_rot;
QString m_lastName;
void rescaleImage(int w, int h);
void rotate_into_data(Rotation r);
void generateImage();
protected slots:
virtual void viewportMouseMoveEvent(QMouseEvent* e);
virtual void contentsMousePressEvent ( QMouseEvent * e);
virtual void contentsMouseReleaseEvent ( QMouseEvent * e);
virtual void resizeEvent(QResizeEvent * e);
};
/* for testing */
class ImageDlg:public QDialog
{
Q_OBJECT
public:
ImageDlg(const QString&,QWidget * parent=0, const char * name=0);
virtual ~ImageDlg();
};
#endif
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