diff options
Diffstat (limited to 'tests/benchmarks/widgets/graphicsview/qgraphicsview/chiptester/chiptester.cpp')
-rw-r--r-- | tests/benchmarks/widgets/graphicsview/qgraphicsview/chiptester/chiptester.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/tests/benchmarks/widgets/graphicsview/qgraphicsview/chiptester/chiptester.cpp b/tests/benchmarks/widgets/graphicsview/qgraphicsview/chiptester/chiptester.cpp new file mode 100644 index 0000000000..dfa08b6869 --- /dev/null +++ b/tests/benchmarks/widgets/graphicsview/qgraphicsview/chiptester/chiptester.cpp @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "chiptester.h" +#include "chip.h" + +#include <QtGui> +#include <QScrollBar> +#ifndef QT_NO_OPENGL +#include <QtOpenGL> +#endif + +ChipTester::ChipTester(QWidget *parent) + : QGraphicsView(parent), + npaints(0) +{ + resize(400, 300); + setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + setFrameStyle(0); + setTransformationAnchor(NoAnchor); + + populateScene(); + setScene(scene); + + setWindowTitle(tr("Chip Example")); +} + +void ChipTester::setAntialias(bool enabled) +{ + setRenderHint(QPainter::Antialiasing, enabled); +} + +void ChipTester::setOpenGL(bool enabled) +{ +#ifndef QT_NO_OPENGL + setViewport(enabled ? new QGLWidget(QGLFormat(QGL::SampleBuffers)) : 0); +#endif +} + +void ChipTester::setOperation(Operation operation) +{ + this->operation = operation; +} + +void ChipTester::runBenchmark() +{ + npaints = 0; + timerId = startTimer(0); + stopWatch.start(); + eventLoop.exec(); + killTimer(timerId); +} + +void ChipTester::paintEvent(QPaintEvent *event) +{ + QGraphicsView::paintEvent(event); + if (++npaints == 50) + eventLoop.quit(); +} + +void ChipTester::timerEvent(QTimerEvent *) +{ + switch (operation) { + case Rotate360: + rotate(1); + break; + case ZoomInOut: { + qreal s = 0.05 + (npaints / 20.0); + setTransform(QTransform().scale(s, s)); + break; + } + case Translate: { + int offset = horizontalScrollBar()->minimum() + + (npaints % (horizontalScrollBar()->maximum() - horizontalScrollBar()->minimum())); + horizontalScrollBar()->setValue(offset); + break; + } + } +} + +void ChipTester::populateScene() +{ + scene = new QGraphicsScene; + + QImage image(":/qt4logo.png"); + + // Populate scene + int xx = 0; + int nitems = 0; + for (int i = -1100; i < 1100; i += 110) { + ++xx; + int yy = 0; + for (int j = -700; j < 700; j += 70) { + ++yy; + qreal x = (i + 1100) / 2200.0; + qreal y = (j + 700) / 1400.0; + + 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; + } + } +} |