kplscene.h

//
// C++ Interface: kplscene
//
// Description: 
//
//
// Author: Werner Stille <tille@uni-freiburg.de>, (C) 2015
//
// Copyright: See COPYING file that comes with this distribution
//
//
#ifndef KPLSCENE_H
#define KPLSCENE_H

#include <QSizeF>
#include <QGraphicsScene>
#include <KUrl>
#include <kdemacros.h>
#include "arrayitem.h"
#include "frameitem.h"

class QPointF;
class QPrinter;
class QString;
class QTransform;
class FrameItem;

class KDE_EXPORT KplScene : public QGraphicsScene
{
  Q_OBJECT
public:
  KplScene(const QSizeF& size = QSizeF(21, 14.8), QObject* parent = 0);
  ~KplScene();
  static bool framelike(int type);
  void insertItem(QGraphicsItem* item, int z = -1);
  QList<QGraphicsItem*> items(Qt::SortOrder order) const;
  QPointF map(const QPointF& p) const;
  QPointF mapInv(const QPointF& p) const;
  inline const QTransform& matrix() const { return m_matrix; };
  void print(QPrinter* printer);
  bool readData(const KUrl& url,
                ArrayItem::DecimalCharacter decimalChar = ArrayItem::Point,
                bool autoPathHeader = false, bool autoNorm = true,
                bool logX = false, bool logY = false, double x0 = 4,
                double y0 = 3, double width = 15, double height = 10,
                unsigned colorFrame = 0, unsigned colorGrid = 0,
                unsigned colorData = 0,
                FrameItem::GridMode gridMode = FrameItem::AxesWithLabels,
                const QString& xText = "x", const QString& yText = "y",
                const QString& header = "", double relSize = 1, int colX = 0,
                int colY = 1, int colErr = 2, bool errorBars = false,
                KplItem::Symbol symbol = KplItem::SolidLine);
  bool readPlo(const KUrl& url, QWidget* window = 0);
  static bool readPlo(const KUrl& url, QList<QGraphicsItem*>& list,
                      QWidget* window = 0, unsigned colorFrame = 0,
                      unsigned colorGrid = 0, unsigned colorData = 0,
                      KplItem::Symbol symbol = KplItem::OpenCircle,
                      double x0 = 4, double y0 = 3, double width = 15,
                      double height = 10,
                      FrameItem::GridMode gridMode = FrameItem::AxesWithLabels,
                      int colX = 0, int colY = 0, int colErr = 0,
                      bool errorBars = false);
  bool savePlo(const KUrl& url, bool absolute = true, char format = 'g',
               int precision = 6) const;
  static bool savePlo(const KUrl& url, const QList<QGraphicsItem*>& list,
                      bool absolute = true, char format = 'g',
                      int precision = 6);
  bool savePS(const KUrl& url = KUrl(), bool landscape = false,
              bool boundingBox = true, bool internalPS = true);
  inline const QSizeF size() const { return m_size; };
  void setDashOffset() const;
  void setProperties(QGraphicsItem* item) const;
  void setSize(const QSizeF& size);
  QPointF steps(int z = -1) const;
  void updatePos(QGraphicsItem* item);

signals:
  void mouseMoved(const QPointF& pos, const FrameItem* frame);
  void mousePressed(const QPointF& pos, Qt::MouseButtons buttons);
  void positionChanged(QGraphicsItem* item);
  void previewCreated(const QString& filename);

protected:
  FrameItem* frame(int z = -1) const;
  virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* e);
  virtual void mousePressEvent(QGraphicsSceneMouseEvent* e);
  double m_sx, m_sy;
  QTransform m_matrix, m_inv;
  QSizeF m_size;
};

#endif