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/*
Copyright (C) 2010-2015 Matthias Kretz <kretz@kde.org>
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is hereby
granted, provided that the above copyright notice appear in all
copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#include "main.h"
#include <Vc/common/macros.h>
#include <QApplication>
#include <QPainter>
//#include <QProgressBar>
MainWindow::MainWindow(QWidget *_parent)
: QWidget(_parent),
m_scale(0.01f)
{
m_x = width() * m_scale * -0.667f;
m_y = height() * m_scale * -0.5f;
m_rect1 = m_rect2 = rect();
m_rect1.setWidth(m_rect1.width() / 2);
m_rect2.setX(m_rect1.width());
qRegisterMetaType<QImage>();
qRegisterMetaType<quint64>();
connect(&m_mandelVc, SIGNAL(ready(QImage, quint64)), SLOT(vcImage(QImage, quint64)));
connect(&m_mandelScalar, SIGNAL(ready(QImage, quint64)), SLOT(scalarImage(QImage, quint64)));
setWindowTitle(tr("Mandelbrot"));
setCursor(Qt::CrossCursor);
}
void MainWindow::vcImage(const QImage &img, quint64 cycles)
{
m_img1 = img;
update(m_rect1);
if (cycles > 1) {
m_cycles1 = cycles;
updateTitle();
}
if (QCoreApplication::arguments().contains("--benchmark")) {
m_mandelScalar.brot(m_rect2.size(), m_x, m_y, m_scale);
}
}
void MainWindow::scalarImage(const QImage &img, quint64 cycles)
{
m_img2 = img;
update(m_rect2);
if (cycles > 1) {
m_cycles2 = cycles;
updateTitle();
}
}
void MainWindow::updateTitle()
{
setWindowTitle(tr("Mandelbrot [Speedup: %1] [%2]").arg(m_cycles2 / m_cycles1).arg(m_img1 == m_img2 ? "Equal" : "Not Equal"));
}
void MainWindow::paintEvent(QPaintEvent *e)
{
QPainter p(this);
QRect r1 = m_rect1 & e->rect();
p.drawImage(r1, m_img1, r1.translated(m_dragDelta));
QRect r2 = m_rect2 & e->rect();
p.drawImage(r2, m_img2, QRect(QPoint(), r2.size()).translated(m_dragDelta));
}
void MainWindow::mousePressEvent(QMouseEvent *e)
{
m_dragStart = e->pos();
}
void MainWindow::mouseMoveEvent(QMouseEvent *e)
{
m_dragDelta = m_dragStart - e->pos();
update();
}
void MainWindow::mouseReleaseEvent(QMouseEvent *e)
{
m_dragDelta = m_dragStart - e->pos();
// translate m_x, m_y accordingly and recreate the image
m_x += m_dragDelta.x() * m_scale;
m_y += m_dragDelta.y() * m_scale;
recreateImage();
m_dragDelta = QPoint();
}
void MainWindow::wheelEvent(QWheelEvent *e)
{
if (e->delta() < 0 && width() * m_scale > 3.f && height() * m_scale > 2.f) {
return;
}
const float xx = e->x() >= m_rect1.width() ? e->x() - m_rect1.width() : e->x();
const float constX = m_x + m_scale * xx;
const float constY = m_y + m_scale * e->y();
if (e->delta() > 0) {
m_scale *= 1.f / (1.f + e->delta() * 0.001f);
} else {
m_scale *= 1.f - e->delta() * 0.001f;
}
m_x = constX - m_scale * xx;
m_y = constY - m_scale * e->y();
recreateImage();
//update();
}
void MainWindow::resizeEvent(QResizeEvent *e)
{
if (e->oldSize().isValid()) {
m_x += 0.25f * m_scale * (e->oldSize().width() - e->size().width());
m_y += 0.5f * m_scale * (e->oldSize().height() - e->size().height());
} else {
m_x = e->size().width() * m_scale * -0.333f;
m_y = e->size().height() * m_scale * -0.5f;
}
m_rect1 = m_rect2 = QRect(QPoint(), e->size());
m_rect1.setWidth(m_rect1.width() / 2);
m_rect2.setX(m_rect1.width());
recreateImage();
update();
}
void MainWindow::recreateImage()
{
if (!QCoreApplication::arguments().contains("--benchmark")) {
m_mandelScalar.brot(m_rect2.size(), m_x, m_y, m_scale);
}
m_mandelVc.brot(m_rect1.size(), m_x, m_y, m_scale);
}
int Vc_CDECL main(int argc, char **argv)
{
QApplication app(argc, argv);
MainWindow w;
w.resize(600, 200);
w.show();
return app.exec();
}
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