graphicsviewadapterforqt.h

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/*****************************************************************************
 * Copyright 2015 Haye Hinrichsen, Christoph Wick
 *
 * This file is part of Entropy Piano Tuner.
 *
 * Entropy Piano Tuner 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 3 of the License, or (at your
 * option) any later version.
 *
 * Entropy Piano Tuner is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * Entropy Piano Tuner. If not, see http://www.gnu.org/licenses/.
 *****************************************************************************/

#ifndef GRAPHICSVIEWADAPTERFORQT_H
#define GRAPHICSVIEWADAPTERFORQT_H

#include <QGraphicsView>
#include <QGraphicsScene>
#include "../core/adapters/graphicsviewadapter.h"

class DrawerBase;


class GraphicsViewAdapterForQt : public QGraphicsView, public GraphicsViewAdapter
{
public:
    GraphicsViewAdapterForQt(QWidget *parent, DrawerBase *drawer, QRectF sceneRect);
    ~GraphicsViewAdapterForQt();

    void setSceneRect(const QRectF &rect);

protected:
    void showEvent(QShowEvent *event) override;       // Show the scene
    void resizeEvent(QResizeEvent *event) override;   // Resize the scene
    virtual void clear() override;                    // Clear the scene


    virtual GraphicsItem* drawLine(double x1, double y1, double x2, double y2, PenType pen) override;
    virtual GraphicsItem* drawChart(const std::vector<Point> &points, PenType pen) override;
    virtual GraphicsItem* drawFilledRect(double x, double y, double w, double h, PenType pen, FillTypes fill) override;
    virtual void drawStroboscope (const ComplexVector &data) override { if (data.size()) {}} // not implemented

private:
    QPen getPen(PenType penType, bool cosmetic = true) const;

    QBrush getFill(FillTypes fill) const;

public:
    QPointF convertRelToAbs(const QPointF &p) const;

    QSizeF convertRelToAbs(const QSizeF &s) const;

    QLineF convertRelToAbsLine(qreal x1, qreal y1, qreal x2, qreal y2) const;

    QPointF convertAbsToRel(const QPointF &p) const;

protected:

    DrawerBase *mDrawer;        
    QGraphicsScene mScene;      
    QRectF mSceneRect;          
};

#endif // GRAPHICSVIEWADAPTERFORQT_H