You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.8 KiB
71 lines
1.8 KiB
// This file is part of Eigen, a lightweight C++ template library
|
|
// for linear algebra.
|
|
//
|
|
// Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla
|
|
// Public License v. 2.0. If a copy of the MPL was not distributed
|
|
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
#ifndef MANDELBROT_H
|
|
#define MANDELBROT_H
|
|
|
|
#include <Eigen/Core>
|
|
#include <QtGui/QApplication>
|
|
#include <QtGui/QWidget>
|
|
#include <QtCore/QThread>
|
|
|
|
class MandelbrotWidget;
|
|
|
|
class MandelbrotThread : public QThread
|
|
{
|
|
friend class MandelbrotWidget;
|
|
MandelbrotWidget *widget;
|
|
long long total_iter;
|
|
int id, max_iter;
|
|
bool single_precision;
|
|
|
|
public:
|
|
MandelbrotThread(MandelbrotWidget *w, int i) : widget(w), id(i) {}
|
|
void run();
|
|
template<typename Real> void render(int img_width, int img_height);
|
|
};
|
|
|
|
class MandelbrotWidget : public QWidget
|
|
{
|
|
Q_OBJECT
|
|
|
|
friend class MandelbrotThread;
|
|
Eigen::Vector2d center;
|
|
double xradius;
|
|
int size;
|
|
unsigned char *buffer;
|
|
QPoint lastpos;
|
|
int draft;
|
|
MandelbrotThread **threads;
|
|
int threadcount;
|
|
|
|
protected:
|
|
void resizeEvent(QResizeEvent *);
|
|
void paintEvent(QPaintEvent *);
|
|
void mousePressEvent(QMouseEvent *event);
|
|
void mouseMoveEvent(QMouseEvent *event);
|
|
|
|
public:
|
|
MandelbrotWidget() : QWidget(), center(0,0), xradius(2),
|
|
size(0), buffer(0), draft(16)
|
|
{
|
|
setAutoFillBackground(false);
|
|
threadcount = QThread::idealThreadCount();
|
|
threads = new MandelbrotThread*[threadcount];
|
|
for(int th = 0; th < threadcount; th++) threads[th] = new MandelbrotThread(this, th);
|
|
}
|
|
~MandelbrotWidget()
|
|
{
|
|
if(buffer) delete[]buffer;
|
|
for(int th = 0; th < threadcount; th++) delete threads[th];
|
|
delete[] threads;
|
|
}
|
|
};
|
|
|
|
#endif // MANDELBROT_H
|