summaryrefslogtreecommitdiffstats
path: root/tests/benchmarks/widgets/graphicsview/qgraphicsview/chiptester/chiptester.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tests/benchmarks/widgets/graphicsview/qgraphicsview/chiptester/chiptester.cpp')
-rw-r--r--tests/benchmarks/widgets/graphicsview/qgraphicsview/chiptester/chiptester.cpp132
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;
+ }
+ }
+}