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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef RENDERAREA_H
#define RENDERAREA_H
#include <QList>
#include <QPainterPath>
#include <QRect>
#include <QWidget>
QT_BEGIN_NAMESPACE
class QPaintEvent;
QT_END_NAMESPACE
//! [0]
enum Operation { NoTransformation, Translate, Rotate, Scale };
//! [0]
//! [1]
class RenderArea : public QWidget
{
Q_OBJECT
public:
RenderArea(QWidget *parent = nullptr);
void setOperations(const QList<Operation> &operations);
void setShape(const QPainterPath &shape);
QSize minimumSizeHint() const override;
QSize sizeHint() const override;
protected:
void paintEvent(QPaintEvent *event) override;
//! [1]
//! [2]
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;
};
//! [2]
#endif // RENDERAREA_H
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