renderarea.h Example File
painting/transformations/renderarea.h
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** Copyright (C) 2005-2006 Trolltech AS. All rights reserved.
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** This file is part of the documentation of the Qt Toolkit.
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#ifndef RENDERAREA_H
#define RENDERAREA_H
#include <QFont>
#include <QList>
#include <QPainterPath>
#include <QRect>
#include <QWidget>
class QPaintEvent;
enum Operation { NoTransformation, Translate, Rotate, Scale };
class RenderArea : public QWidget
{
Q_OBJECT
public:
RenderArea(QWidget *parent = 0);
void setOperations(const QList<Operation> &operations);
void setShape(const QPainterPath &shape);
QSize minimumSizeHint() const;
QSize sizeHint() const;
protected:
void paintEvent(QPaintEvent *event);
private:
void drawCoordinates(QPainter &painter);
void drawOutline(QPainter &painter);
void drawShape(QPainter &painter);
void transformPainter(QPainter &painter);
QList<Operation> operations;
QPainterPath shape;
QRect xBoundingRect;
QRect yBoundingRect;
};
#endif
