pathstroke.h Example File
demos/pathstroke/pathstroke.h
/****************************************************************************
**
** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
**
** This file is part of the documentation of the Qt Toolkit.
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** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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****************************************************************************/
#ifndef PATHSTROKE_H
#define PATHSTROKE_H
#include "arthurwidgets.h"
#include <QtGui>
class PathStrokeRenderer : public ArthurFrame
{
Q_OBJECT
Q_PROPERTY(bool animation READ animation WRITE setAnimation)
Q_PROPERTY(double penWidth READ realPenWidth WRITE setRealPenWidth)
public:
enum PathMode { CurveMode, LineMode };
PathStrokeRenderer(QWidget *parent);
void paint(QPainter *);
void mousePressEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void timerEvent(QTimerEvent *e);
QSize sizeHint() const { return QSize(500, 500); }
bool animation() const { return m_timer.isActive(); }
double realPenWidth() const { return m_penWidth; }
void setRealPenWidth(double penWidth) { m_penWidth = penWidth; update(); }
public slots:
void setPenWidth(int penWidth) { m_penWidth = penWidth / 10.0; update(); }
void setAnimation(bool animation);
void setFlatCap() { m_capStyle = Qt::FlatCap; update(); }
void setSquareCap() { m_capStyle = Qt::SquareCap; update(); }
void setRoundCap() { m_capStyle = Qt::RoundCap; update(); }
void setBevelJoin() { m_joinStyle = Qt::BevelJoin; update(); }
void setMiterJoin() { m_joinStyle = Qt::MiterJoin; update(); }
void setRoundJoin() { m_joinStyle = Qt::RoundJoin; update(); }
void setCurveMode() { m_pathMode = CurveMode; update(); }
void setLineMode() { m_pathMode = LineMode; update(); }
void setSolidLine() { m_penStyle = Qt::SolidLine; update(); }
void setDashLine() { m_penStyle = Qt::DashLine; update(); }
void setDotLine() { m_penStyle = Qt::DotLine; update(); }
void setDashDotLine() { m_penStyle = Qt::DashDotLine; update(); }
void setDashDotDotLine() { m_penStyle = Qt::DashDotDotLine; update(); }
void setCustomDashLine() { m_penStyle = Qt::NoPen; update(); }
private:
void initializePoints();
void updatePoints();
QBasicTimer m_timer;
PathMode m_pathMode;
bool m_wasAnimated;
double m_penWidth;
int m_pointCount;
int m_pointSize;
int m_activePoint;
QVector<QPointF> m_points;
QVector<QPointF> m_vectors;
Qt::PenJoinStyle m_joinStyle;
Qt::PenCapStyle m_capStyle;
Qt::PenStyle m_penStyle;
};
class PathStrokeWidget : public QWidget
{
Q_OBJECT
public:
PathStrokeWidget();
private:
PathStrokeRenderer *m_renderer;
};
#endif // PATHSTROKE_H