qt5base-lts/tests/benchmarks/gui/image/qpixmap/tst_qpixmap.cpp
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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
2011-04-27 12:05:43 +02:00

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9.6 KiB
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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
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** This file contains pre-release code and may not be distributed.
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** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
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****************************************************************************/
#include <qtest.h>
#include <QBitmap>
#include <QDir>
#include <QImage>
#include <QImageReader>
#include <QPainter>
#include <QPixmap>
#include <private/qpixmap_raster_p.h>
class tst_QPixmap : public QObject
{
Q_OBJECT
public:
tst_QPixmap();
private slots:
void fill_data();
void fill();
void scaled_data();
void scaled();
void transformed_data();
void transformed();
void mask_data();
void mask();
void fromImageReader_data();
void fromImageReader();
};
Q_DECLARE_METATYPE(QImage::Format)
Q_DECLARE_METATYPE(Qt::AspectRatioMode)
Q_DECLARE_METATYPE(Qt::TransformationMode)
QPixmap rasterPixmap(int width, int height)
{
QPixmapData *data =
new QRasterPixmapData(QPixmapData::PixmapType);
data->resize(width, height);
return QPixmap(data);
}
QPixmap rasterPixmap(const QSize &size)
{
return rasterPixmap(size.width(), size.height());
}
QPixmap rasterPixmap(const QImage &image)
{
QPixmapData *data =
new QRasterPixmapData(QPixmapData::PixmapType);
data->fromImage(image, Qt::AutoColor);
return QPixmap(data);
}
tst_QPixmap::tst_QPixmap()
{
}
void tst_QPixmap::fill_data()
{
QTest::addColumn<bool>("opaque");
QTest::addColumn<int>("width");
QTest::addColumn<int>("height");
QTest::newRow("opaque 16x16") << true << 16 << 16;
QTest::newRow("!opaque 16x16") << false << 16 << 16;
QTest::newRow("opaque 587x128") << true << 587 << 128;
QTest::newRow("!opaque 587x128") << false << 587 << 128;
}
void tst_QPixmap::fill()
{
QFETCH(bool, opaque);
QFETCH(int, width);
QFETCH(int, height);
const QColor color = opaque ? QColor(255, 0, 0) : QColor(255, 0, 0, 200);
QPixmap pixmap = rasterPixmap(width, height);
QBENCHMARK {
pixmap.fill(color);
}
}
void tst_QPixmap::scaled_data()
{
QTest::addColumn<QSize>("size");
QTest::addColumn<QSize>("scale");
QTest::addColumn<Qt::AspectRatioMode>("ratioMode");
QTest::addColumn<Qt::TransformationMode>("transformMode");
QTest::newRow("16x16 => 32x32") << QSize(16, 16) << QSize(32, 32)
<< Qt::IgnoreAspectRatio
<< Qt::FastTransformation;
QTest::newRow("100x100 => 200x200") << QSize(100, 100) << QSize(200, 200)
<< Qt::IgnoreAspectRatio
<< Qt::FastTransformation;
QTest::newRow("100x100 => 200x200") << QSize(100, 100) << QSize(200, 200)
<< Qt::IgnoreAspectRatio
<< Qt::FastTransformation;
QTest::newRow("80x80 => 200x200") << QSize(137, 137) << QSize(200, 200)
<< Qt::IgnoreAspectRatio
<< Qt::FastTransformation;
}
void tst_QPixmap::scaled()
{
QFETCH(QSize, size);
QFETCH(QSize, scale);
QFETCH(Qt::AspectRatioMode, ratioMode);
QFETCH(Qt::TransformationMode, transformMode);
QPixmap opaque = rasterPixmap(size);
QPixmap transparent = rasterPixmap(size);
opaque.fill(QColor(255, 0, 0));
transparent.fill(QColor(255, 0, 0, 200));
QPixmap scaled1;
QPixmap scaled2;
QBENCHMARK {
scaled1 = opaque.scaled(scale, ratioMode, transformMode);
scaled2 = transparent.scaled(scale, ratioMode, transformMode);
}
}
void tst_QPixmap::transformed_data()
{
QTest::addColumn<QSize>("size");
QTest::addColumn<QTransform>("transform");
QTest::addColumn<Qt::TransformationMode>("transformMode");
QTest::newRow("16x16 rotate(90)") << QSize(16, 16)
<< QTransform().rotate(90)
<< Qt::FastTransformation;
QTest::newRow("16x16 rotate(199)") << QSize(16, 16)
<< QTransform().rotate(199)
<< Qt::FastTransformation;
QTest::newRow("16x16 shear(2,1)") << QSize(16, 16)
<< QTransform().shear(2, 1)
<< Qt::FastTransformation;
QTest::newRow("16x16 rotate(199).shear(2,1)") << QSize(16, 16)
<< QTransform().rotate(199).shear(2, 1)
<< Qt::FastTransformation;
QTest::newRow("100x100 rotate(90)") << QSize(100, 100)
<< QTransform().rotate(90)
<< Qt::FastTransformation;
QTest::newRow("100x100 rotate(199)") << QSize(100, 100)
<< QTransform().rotate(199)
<< Qt::FastTransformation;
QTest::newRow("100x100 shear(2,1)") << QSize(100, 100)
<< QTransform().shear(2, 1)
<< Qt::FastTransformation;
QTest::newRow("100x100 shear(2,1) smooth") << QSize(100, 100)
<< QTransform().shear(2, 1)
<< Qt::SmoothTransformation;
QTest::newRow("100x100 rotate(199).shear(2,1)") << QSize(100, 100)
<< QTransform().rotate(199).shear(2, 1)
<< Qt::FastTransformation;
}
void tst_QPixmap::transformed()
{
QFETCH(QSize, size);
QFETCH(QTransform, transform);
QFETCH(Qt::TransformationMode, transformMode);
QPixmap opaque = rasterPixmap(size);
QPixmap transparent = rasterPixmap(size);
opaque.fill(QColor(255, 0, 0));
transparent.fill(QColor(255, 0, 0, 200));
QPixmap transformed1;
QPixmap transformed2;
QBENCHMARK {
transformed1 = opaque.transformed(transform, transformMode);
transformed2 = transparent.transformed(transform, transformMode);
}
}
void tst_QPixmap::mask_data()
{
QTest::addColumn<QSize>("size");
QTest::newRow("1x1") << QSize(1, 1);
QTest::newRow("9x9") << QSize(9, 9);
QTest::newRow("16x16") << QSize(16, 16);
QTest::newRow("128x128") << QSize(128, 128);
QTest::newRow("333x333") << QSize(333, 333);
QTest::newRow("2048x128") << QSize(2048, 128);
}
void tst_QPixmap::mask()
{
QFETCH(QSize, size);
QPixmap src = rasterPixmap(size);
src.fill(Qt::transparent);
{
QPainter p(&src);
p.drawLine(QPoint(0, 0), QPoint(src.width(), src.height()));
}
QBENCHMARK {
QBitmap bitmap = src.mask();
QVERIFY(bitmap.size() == src.size());
}
}
void tst_QPixmap::fromImageReader_data()
{
const QString tempDir = QDir::tempPath();
QTest::addColumn<QString>("filename");
QImage image(2000, 2000, QImage::Format_ARGB32);
image.fill(0);
{
// Generate an image with opaque and transparent pixels
// with an interesting distribution.
QPainter painter(&image);
QRadialGradient radialGrad(QPointF(1000, 1000), 1000);
radialGrad.setColorAt(0, QColor(255, 0, 0, 255));
radialGrad.setColorAt(0.5, QColor(0, 255, 0, 255));
radialGrad.setColorAt(0.9, QColor(0, 0, 255, 100));
radialGrad.setColorAt(1, QColor(0, 0, 0, 0));
painter.fillRect(image.rect(), radialGrad);
}
image.save("test.png");
// RGB32
const QString rgb32Path = tempDir + QString::fromLatin1("/rgb32.jpg");
image.save(rgb32Path);
QTest::newRow("gradient RGB32") << rgb32Path;
// ARGB32
const QString argb32Path = tempDir + QString::fromLatin1("/argb32.png");
image.save(argb32Path);
QTest::newRow("gradient ARGB32") << argb32Path;
// Indexed 8
const QString indexed8Path = tempDir + QString::fromLatin1("/indexed8.gif");
image.save(indexed8Path);
QTest::newRow("gradient indexed8") << indexed8Path;
}
void tst_QPixmap::fromImageReader()
{
QFETCH(QString, filename);
// warmup
{
QImageReader imageReader(filename);
QPixmap::fromImageReader(&imageReader);
}
QBENCHMARK {
QImageReader imageReader(filename);
QPixmap::fromImageReader(&imageReader);
}
QFile::remove(filename);
}
QTEST_MAIN(tst_QPixmap)
#include "tst_qpixmap.moc"