05fc3aef53
Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
// Copyright (C) 2021 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#ifndef MANDELBROTWIDGET_H
|
|
#define MANDELBROTWIDGET_H
|
|
|
|
#include <QPixmap>
|
|
#include <QWidget>
|
|
#include "renderthread.h"
|
|
|
|
|
|
//! [0]
|
|
class MandelbrotWidget : public QWidget
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
MandelbrotWidget(QWidget *parent = nullptr);
|
|
|
|
protected:
|
|
void paintEvent(QPaintEvent *event) override;
|
|
void resizeEvent(QResizeEvent *event) override;
|
|
void keyPressEvent(QKeyEvent *event) override;
|
|
#if QT_CONFIG(wheelevent)
|
|
void wheelEvent(QWheelEvent *event) override;
|
|
#endif
|
|
void mousePressEvent(QMouseEvent *event) override;
|
|
void mouseMoveEvent(QMouseEvent *event) override;
|
|
void mouseReleaseEvent(QMouseEvent *event) override;
|
|
|
|
private slots:
|
|
void updatePixmap(const QImage &image, double scaleFactor);
|
|
void zoom(double zoomFactor);
|
|
|
|
private:
|
|
void scroll(int deltaX, int deltaY);
|
|
|
|
RenderThread thread;
|
|
QPixmap pixmap;
|
|
QPoint pixmapOffset;
|
|
QPoint lastDragPos;
|
|
QString help;
|
|
QString info;
|
|
double centerX;
|
|
double centerY;
|
|
double pixmapScale;
|
|
double curScale;
|
|
};
|
|
//! [0]
|
|
|
|
#endif // MANDELBROTWIDGET_H
|