displaywidget.h Example File

painting/svggenerator/displaywidget.h
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 #ifndef DISPLAYWIDGET_H
 #define DISPLAYWIDGET_H

 #include <QColor>
 #include <QHash>
 #include <QWidget>

 class DisplayWidget : public QWidget
 {
     Q_OBJECT

 public:
     enum Shape { House = 0, Car = 1 };
     enum Background { Sky = 0, Trees = 1, Road = 2 };

     DisplayWidget(QWidget *parent = 0);
     QColor color() const;
     void paint(QPainter &painter);

 public slots:
     void setBackground(Background background);
     void setColor(const QColor &color);
     void setShape(Shape shape);

 protected:
     void paintEvent(QPaintEvent *event);

 private:
     Background background;
     QColor shapeColor;
     Shape shape;
     QHash<Shape,QPainterPath> shapeMap;
     QPainterPath moon;
     QPainterPath tree;
 };

 #endif