polylinetool.h

/*
 
Pencil2D - Traditional Animation Software
Copyright (C) 2005-2007 Patrick Corrieri & Pascal Naidon
Copyright (C) 2012-2020 Matthew Chiawen Chang
 
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; version 2 of the License.
 
This program 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.
 
*/
 
#ifndef POLYLINETOOL_H
#define POLYLINETOOL_H
 
#include <QPointF>
 
#include "stroketool.h"
 
class PolylineTool : public StrokeTool
{
    Q_OBJECT
public:
    explicit PolylineTool(QObject* parent = 0);
 
    ToolType type() const override;
 
    ToolProperties& toolProperties() override { return mSettings.toolProperties(); }
    const StrokeToolProperties& strokeToolProperties() const override { return mSettings.strokeToolProperties(); }
    const PolylineToolProperties& settings() const { return mSettings; }
 
    void loadSettings() override;
    QCursor cursor() override;
 
    void setUseBezier(bool useBezier);
    void setClosePath(bool closePath);
 
    void pointerPressEvent(PointerEvent*) override;
    void pointerReleaseEvent(PointerEvent*) override;
    void pointerMoveEvent(PointerEvent* event) override;
    void pointerDoubleClickEvent(PointerEvent*) override;
 
    bool keyPressEvent(QKeyEvent* event) override;
    bool keyReleaseEvent(QKeyEvent* event) override;
 
    void clearToolData() override;
 
    bool leavingThisTool() override;
 
    bool isActive() const override;
 
signals:
    void bezierPathEnabledChanged(bool useBezier);
    void closePathChanged(bool closePath);
 
 
private:
    PolylineToolProperties mSettings;
    QList<QPointF> mPoints;
    bool mClosedPathOverrideEnabled = false;
 
    void drawPolyline(QList<QPointF> points, QPointF endPoint);
    void removeLastPolylineSegment();
    void cancelPolyline();
    void endPolyline(QList<QPointF> points);
 
};
 
#endif // POLYLINETOOL_H