GraphicsLinesForCurves.h

/******************************************************************************************************
 * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released      *
 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission.     *
 ******************************************************************************************************/
 
#ifndef GRAPHICS_LINES_FOR_CURVES_H
#define GRAPHICS_LINES_FOR_CURVES_H
 
#include <QHash>
 
class CurveStyles;
class GraphicsLinesForCurve;
class GraphicsPoint;
class GraphicsScene;
class Point;
class QGraphicsItem;
class QPointF;
class QTextStream;
class Transformation;
 
typedef QHash<QString, GraphicsLinesForCurve*> GraphicsLinesContainer;
 
class GraphicsLinesForCurves
{
public:
  GraphicsLinesForCurves();
 
  void addPoint (const QString &curveName,
                 const QString &pointIdentifier,
                 double ordinal,
                 GraphicsPoint &point);
 
  void addRemoveCurves (GraphicsScene &scene,
                        const QStringList &curveNames);
 
  void lineMembershipPurge (const CurveStyles &curveStyles);
 
  void lineMembershipReset ();
 
  void print () const;
 
  void printStream (QString indentation,
                    QTextStream &str) const;
 
  void removePoint (const QString &identifier);
 
  void removeTemporaryPointIfExists ();
 
  void resetOnLoad();
 
  void updateAfterCommand (GraphicsScene &scene,
                           const CurveStyles &curveStyles,
                           const QString &curveName,
                           const Point &point);
 
  void updateCurveStyles (const CurveStyles &modelCurveStyles);
 
  void updateGraphicsLinesToMatchGraphicsPoints (const CurveStyles &curveStyles);
 
  void updatePointOrdinalsAfterDrag (const CurveStyles &curveStyles,
                                     const Transformation &transformation);
 
private:
 
  GraphicsLinesContainer m_graphicsLinesForCurve;
};
 
#endif // GRAPHICS_LINES_FOR_CURVES_H