imageitem.h

/***************************************************************************
                          imageitem.h  -  description
                             -------------------
    begin                : Don Jun 5 2003
    copyright            : (C) 2017 by Werner Stille
    email                : kpl@werner-stille.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 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef IMAGEITEM_H
#define IMAGEITEM_H
 
#include <QGraphicsPixmapItem>
#include <QUrl>
#include "decoitem.h"
 
class Q_DECL_EXPORT ImageItem : public DecoItem, public QGraphicsPixmapItem
{
public:
  enum {Type = UserType + Image
  };
  ImageItem(double x0 = 1, double y0 = 1, QGraphicsItem* parent = 0,
            const QUrl& url = QUrl(), bool visible = true, double scaleX = 1,
            double scaleY = 1, double dir = 0);
  ImageItem(const ImageItem& a);
  ImageItem(const KConfigGroup* plo, const QUrl& urlPlo,
            QGraphicsItem* parent = 0);
  virtual ~ImageItem();
  static bool boundingBox(const QUrl& url, QString& filename, double* x1,
                          double* y1, double* x2, double* y2);
  static bool checkBoundingBox(const QUrl& url);
  inline double dir() const { return m_dir; };
  virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option,
                     QWidget* widget);
  void renderPS(QPixmap* pixmap, int dpiX, int dpiY);
  static void renderPS(const QString& psFile, const QString& imageFile,
                       int width, int height, double x0 = 0, double y0 = 0,
                       double scaleX = 1, double scaleY = 1,
                       const char format[] = "pbmraw");
  inline double scaleX() const { return m_scaleX; };
  inline double scaleY() const { return m_scaleY; };
  inline void setDir( double dir) { m_dir = dir; };
  void setProperties(const QTransform& m);
  inline void setScaleX(double f) { m_scaleX = f; };
  inline void setScaleY(double f) { m_scaleY = f; };
  inline void setUrl(const QUrl& url) { m_url = url; };
  virtual int type() const { return Type; };
  inline const QUrl& url() const { return m_url; };
  void update();
  void writePlo(KConfigGroup* plo, const QUrl& urlPlo, bool absolute) const;
 
protected:
  virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
  void setProperties();
  double m_scaleX, m_scaleY, m_dir;
  QUrl m_url;
};
 
#endif