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50
51#ifndef RENDERAREA_H
52#define RENDERAREA_H
53
54#include <QPainterPath>
55#include <QWidget>
56
57//! [0]
58class RenderArea : public QWidget
59{
60 Q_OBJECT
61
62public:
63 explicit RenderArea(const QPainterPath &path, QWidget *parent = nullptr);
64
65 QSize minimumSizeHint() const override;
66 QSize sizeHint() const override;
67
68public slots:
69 void setFillRule(Qt::FillRule rule);
70 void setFillGradient(const QColor &color1, const QColor &color2);
71 void setPenWidth(int width);
72 void setPenColor(const QColor &color);
73 void setRotationAngle(int degrees);
74
75protected:
76 void paintEvent(QPaintEvent *event) override;
77//! [0]
78
79//! [1]
80private:
81 QPainterPath path;
82 QColor fillColor1;
83 QColor fillColor2;
84 int penWidth;
85 QColor penColor;
86 int rotationAngle;
87};
88//! [1]
89
90#endif // RENDERAREA_H
91

source code of qtbase/examples/widgets/painting/painterpaths/renderarea.h