pathstroke.h Example File

painting/pathstroke/pathstroke.h
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#ifndef PATHSTROKE_H #define PATHSTROKE_H #include "arthurwidgets.h" #include <QtWidgets> class PathStrokeRenderer : public ArthurFrame { Q_OBJECT Q_PROPERTY(bool animation READ animation WRITE setAnimation) Q_PROPERTY(qreal penWidth READ realPenWidth WRITE setRealPenWidth) public: enum PathMode { CurveMode, LineMode }; explicit PathStrokeRenderer(QWidget *parent, bool smallScreen = false); void paint(QPainter *) override; void mousePressEvent(QMouseEvent *e) override; void mouseMoveEvent(QMouseEvent *e) override; void mouseReleaseEvent(QMouseEvent *e) override; void timerEvent(QTimerEvent *e) override; bool event(QEvent *e) override; QSize sizeHint() const override { return QSize(500, 500); } bool animation() const { return m_timer.isActive(); } qreal realPenWidth() const { return m_penWidth; } void setRealPenWidth(qreal penWidth) { m_penWidth = penWidth; update(); } signals: void clicked(); 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; qreal 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; bool m_smallScreen; QPoint m_mousePress; bool m_mouseDrag; QHash<int, int> m_fingerPointMapping; }; class PathStrokeControls : public QWidget { Q_OBJECT public: PathStrokeControls(QWidget* parent, PathStrokeRenderer* renderer, bool smallScreen); signals: void okPressed(); void quitPressed(); private: PathStrokeRenderer* m_renderer; QGroupBox *m_capGroup; QGroupBox *m_joinGroup; QGroupBox *m_styleGroup; QGroupBox *m_pathModeGroup; void createCommonControls(QWidget* parent); void layoutForDesktop(); void layoutForSmallScreens(); private slots: void emitQuitSignal(); void emitOkSignal(); }; class PathStrokeWidget : public QWidget { Q_OBJECT public: PathStrokeWidget(bool smallScreen); void setStyle ( QStyle * style ); private: PathStrokeRenderer *m_renderer; PathStrokeControls *m_controls; private slots: void showControls(); void hideControls(); }; #endif // PATHSTROKE_H