qt5base-lts/examples/widgets/graphicsview/chip/mainwindow.cpp
Matti Paaso 974c210835 Update license headers and add new license files
- Renamed LICENSE.LGPL to LICENSE.LGPLv21
- Added LICENSE.LGPLv3
- Removed LICENSE.GPL

Change-Id: Iec3406e3eb3f133be549092015cefe33d259a3f2
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
2014-09-24 12:26:19 +02:00

103 lines
3.2 KiB
C++

/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "chip.h"
#include "mainwindow.h"
#include "view.h"
#include <QHBoxLayout>
#include <QSplitter>
MainWindow::MainWindow(QWidget *parent)
: QWidget(parent)
{
populateScene();
h1Splitter = new QSplitter;
h2Splitter = new QSplitter;
QSplitter *vSplitter = new QSplitter;
vSplitter->setOrientation(Qt::Vertical);
vSplitter->addWidget(h1Splitter);
vSplitter->addWidget(h2Splitter);
View *view = new View("Top left view");
view->view()->setScene(scene);
h1Splitter->addWidget(view);
view = new View("Top right view");
view->view()->setScene(scene);
h1Splitter->addWidget(view);
view = new View("Bottom left view");
view->view()->setScene(scene);
h2Splitter->addWidget(view);
view = new View("Bottom right view");
view->view()->setScene(scene);
h2Splitter->addWidget(view);
QHBoxLayout *layout = new QHBoxLayout;
layout->addWidget(vSplitter);
setLayout(layout);
setWindowTitle(tr("Chip Example"));
}
void MainWindow::populateScene()
{
scene = new QGraphicsScene;
QImage image(":/qt4logo.png");
// Populate scene
int xx = 0;
int nitems = 0;
for (int i = -11000; i < 11000; i += 110) {
++xx;
int yy = 0;
for (int j = -7000; j < 7000; j += 70) {
++yy;
qreal x = (i + 11000) / 22000.0;
qreal y = (j + 7000) / 14000.0;
QColor color(image.pixel(int(image.width() * x), int(image.height() * y)));
QGraphicsItem *item = new Chip(color, xx, yy);
item->setPos(QPointF(i, j));
scene->addItem(item);
++nitems;
}
}
}