94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "circlewidget.h"
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#include "window.h"
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#include <QtWidgets>
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//! [0]
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Window::Window()
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{
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aliasedLabel = createLabel(tr("Aliased"));
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antialiasedLabel = createLabel(tr("Antialiased"));
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intLabel = createLabel(tr("Int"));
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floatLabel = createLabel(tr("Float"));
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QGridLayout *layout = new QGridLayout;
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layout->addWidget(aliasedLabel, 0, 1);
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layout->addWidget(antialiasedLabel, 0, 2);
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layout->addWidget(intLabel, 1, 0);
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layout->addWidget(floatLabel, 2, 0);
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//! [0]
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//! [1]
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QTimer *timer = new QTimer(this);
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for (int i = 0; i < 2; ++i) {
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for (int j = 0; j < 2; ++j) {
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circleWidgets[i][j] = new CircleWidget;
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circleWidgets[i][j]->setAntialiased(j != 0);
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circleWidgets[i][j]->setFloatBased(i != 0);
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connect(timer, SIGNAL(timeout()),
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circleWidgets[i][j], SLOT(nextAnimationFrame()));
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layout->addWidget(circleWidgets[i][j], i + 1, j + 1);
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}
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}
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//! [1] //! [2]
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timer->start(100);
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setLayout(layout);
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setWindowTitle(tr("Concentric Circles"));
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}
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//! [2]
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//! [3]
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QLabel *Window::createLabel(const QString &text)
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{
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QLabel *label = new QLabel(text);
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label->setAlignment(Qt::AlignCenter);
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label->setMargin(2);
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label->setFrameStyle(QFrame::Box | QFrame::Sunken);
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return label;
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}
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//! [3]
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