GuidelineProjectorConstantT.h

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/******************************************************************************************************
 * (C) 2019 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 GUIDELINE_PROJECTOR_CONSTANT_T_H
#define GUIDELINE_PROJECTOR_CONSTANT_T_H
 
#include "GuidelineProjectorAbstract.h"
#include <QLineF>
#include <QList>
#include <QPointF>
 
class QRectF;
class Transformation;

class GuidelineProjectorConstantT : public GuidelineProjectorAbstract
{
public:
  GuidelineProjectorConstantT();
  ~GuidelineProjectorConstantT();  

  QLineF fromCoordinateT (const Transformation &transformation,
                          const QRectF &sceneRect,
                          double tGraph);

  QLineF fromPosScreen (const Transformation &transformation,
                        const QRectF &sceneRect,
                        const QPointF &posScreen);
 
private:
  QLineF intersect (const Transformation &transformation,
                    double thetaGraphDegrees,
                    const QPointF &p1,
                    const QPointF &p2) const;
};
 
#endif // GUIDELINE_PROJECTOR_CONSTANT_T_H