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/****************************************************************************
**
** 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 <QtTest/QtTest>
#include <QtGui/qpixelformat.h>
class tst_QPixelFormat : public QObject
{
Q_OBJECT
private slots:
void testOperators();
void testQVectorOfFormats();
void testRGB();
void testCMYK();
void testHSLandHSV();
void testYUV_data();
void testYUV();
void testEnums();
};
void tst_QPixelFormat::testOperators()
{
QPixelFormat first = qPixelFormatRgba(8,8,8,8,QPixelFormat::UsesAlpha, QPixelFormat::AtBeginning, QPixelFormat::Premultiplied);
QPixelFormat second = qPixelFormatRgba(8,8,8,8,QPixelFormat::UsesAlpha, QPixelFormat::AtBeginning, QPixelFormat::Premultiplied);
QCOMPARE(first, second);
QPixelFormat third = qPixelFormatRgba(8,8,8,8,QPixelFormat::UsesAlpha, QPixelFormat::AtEnd, QPixelFormat::NotPremultiplied);
QVERIFY(first != third);
}
void tst_QPixelFormat::testQVectorOfFormats()
{
QVector<QPixelFormat> reallocedVector;
QVector<QPixelFormat> reservedVector;
reservedVector.reserve(QImage::NImageFormats);
for (int i = 0; i < QImage::NImageFormats; i++) {
if (i == 0 || i == 2) // skip invalid and monolsb
continue;
QImage::Format image_format = static_cast<QImage::Format>(i);
QPixelFormat format = QImage::toPixelFormat(image_format);
reallocedVector.append(format);
reservedVector.append(format);
}
for (int i = 0; i < reallocedVector.size(); i++) {
QCOMPARE(reallocedVector.at(i), reservedVector.at(i));
}
}
void tst_QPixelFormat::testRGB()
{
QPixelFormat argb8888 = qPixelFormatRgba(8,8,8,8,QPixelFormat::UsesAlpha,QPixelFormat::AtBeginning, QPixelFormat::Premultiplied);
QCOMPARE(argb8888.redSize(), uchar(8));
QCOMPARE(argb8888.greenSize(), uchar(8));
QCOMPARE(argb8888.blueSize(), uchar(8));
QCOMPARE(argb8888.alphaSize(), uchar(8));
QPixelFormat rgb565 = qPixelFormatRgba(5,6,5,0,QPixelFormat::IgnoresAlpha,QPixelFormat::AtBeginning, QPixelFormat::NotPremultiplied);
QCOMPARE(rgb565.redSize(), uchar(5));
QCOMPARE(rgb565.greenSize(), uchar(6));
QCOMPARE(rgb565.blueSize(), uchar(5));
QCOMPARE(rgb565.alphaSize(), uchar(0));
QCOMPARE(rgb565.bitsPerPixel(), uchar(16));
QPixelFormat rgba1235 = qPixelFormatRgba(1,2,3,5,QPixelFormat::IgnoresAlpha, QPixelFormat::AtEnd, QPixelFormat::Premultiplied);
QCOMPARE(rgba1235.redSize(), uchar(1));
QCOMPARE(rgba1235.greenSize(), uchar(2));
QCOMPARE(rgba1235.blueSize(), uchar(3));
QCOMPARE(rgba1235.alphaSize(), uchar(5));
QCOMPARE(rgba1235.bitsPerPixel(), uchar(1 + 2 + 3 + 5));
}
void tst_QPixelFormat::testCMYK()
{
QPixelFormat cmyk6 = qPixelFormatCmyk(6);
QCOMPARE(cmyk6.cyanSize(), uchar(6));
QCOMPARE(cmyk6.magentaSize(), uchar(6));
QCOMPARE(cmyk6.yellowSize(), uchar(6));
QCOMPARE(cmyk6.blackSize(), uchar(6));
QCOMPARE(cmyk6.bitsPerPixel(), uchar(6*4));
QPixelFormat cmykWithAlpha = qPixelFormatCmyk(8,8);
QCOMPARE(cmykWithAlpha.bitsPerPixel(), uchar(8*5));
}
void tst_QPixelFormat::testHSLandHSV()
{
QPixelFormat hsl = qPixelFormatHsl(3,5);
QCOMPARE(hsl.hueSize(), uchar(3));
QCOMPARE(hsl.saturationSize(), uchar(3));
QCOMPARE(hsl.lightnessSize(), uchar(3));
QCOMPARE(hsl.bitsPerPixel(), uchar(3 * 3 + 5));
QPixelFormat hsv = qPixelFormatHsv(5,7);
QCOMPARE(hsv.hueSize(), uchar(5));
QCOMPARE(hsv.saturationSize(), uchar(5));
QCOMPARE(hsv.brightnessSize(), uchar(5));
QCOMPARE(hsv.bitsPerPixel(), uchar(5 * 3 + 7));
}
Q_DECLARE_METATYPE(QPixelFormat::YUVLayout)
void tst_QPixelFormat::testYUV_data()
{
QTest::addColumn<QPixelFormat::YUVLayout>("yuv_layout");
QTest::newRow("YUV Layout YUV444") << QPixelFormat::YUV444;
QTest::newRow("YUV Layout YUV422") << QPixelFormat::YUV422;
QTest::newRow("YUV Layout YUV411") << QPixelFormat::YUV411;
QTest::newRow("YUV Layout YUV420P") << QPixelFormat::YUV420P;
QTest::newRow("YUV Layout YUV420SP") << QPixelFormat::YUV420SP;
QTest::newRow("YUV Layout YV12") << QPixelFormat::YV12;
QTest::newRow("YUV Layout UYVY") << QPixelFormat::UYVY;
QTest::newRow("YUV Layout YUYV") << QPixelFormat::YUYV;
QTest::newRow("YUV Layout NV12") << QPixelFormat::NV12;
QTest::newRow("YUV Layout NV21") << QPixelFormat::NV21;
QTest::newRow("YUV Layout IMC1") << QPixelFormat::IMC1;
QTest::newRow("YUV Layout IMC2") << QPixelFormat::IMC2;
QTest::newRow("YUV Layout IMC3") << QPixelFormat::IMC3;
QTest::newRow("YUV Layout IMC4") << QPixelFormat::IMC4;
QTest::newRow("YUV Layout Y8") << QPixelFormat::Y8;
QTest::newRow("YUV Layout Y16") << QPixelFormat::Y16;
}
void tst_QPixelFormat::testYUV()
{
QFETCH(QPixelFormat::YUVLayout, yuv_layout);
QPixelFormat format = qPixelFormatYuv(yuv_layout, 0);
switch (yuv_layout) {
case QPixelFormat::YUV444:
QCOMPARE(format.bitsPerPixel(), uchar(24));
break;
case QPixelFormat::YUV422:
QCOMPARE(format.bitsPerPixel(), uchar(16));
break;
case QPixelFormat::YUV411:
case QPixelFormat::YUV420P:
case QPixelFormat::YUV420SP:
case QPixelFormat::YV12:
QCOMPARE(format.bitsPerPixel(), uchar(12));
break;
case QPixelFormat::UYVY:
case QPixelFormat::YUYV:
QCOMPARE(format.bitsPerPixel(), uchar(16));
break;
case QPixelFormat::NV12:
case QPixelFormat::NV21:
QCOMPARE(format.bitsPerPixel(), uchar(12));
break;
case QPixelFormat::IMC1:
case QPixelFormat::IMC2:
case QPixelFormat::IMC3:
case QPixelFormat::IMC4:
QCOMPARE(format.bitsPerPixel(), uchar(12));
break;
case QPixelFormat::Y8:
QCOMPARE(format.bitsPerPixel(), uchar(8));
break;
case QPixelFormat::Y16:
QCOMPARE(format.bitsPerPixel(), uchar(16));
break;
default:
QVERIFY(!"the value stored for the yuvLayout is wrong!");
}
}
void tst_QPixelFormat::testEnums()
{
QPixelFormat allSet = QPixelFormat(QPixelFormat::BGR,1,2,3,4,5,6,
QPixelFormat::UsesAlpha,
QPixelFormat::AtEnd,
QPixelFormat::Premultiplied,
QPixelFormat::FloatingPoint,
QPixelFormat::BigEndian,
(1 << 6) - 1);
QCOMPARE(allSet.alphaUsage(), QPixelFormat::UsesAlpha);
QCOMPARE(allSet.alphaPosition(), QPixelFormat::AtEnd);
QCOMPARE(allSet.premultiplied(), QPixelFormat::Premultiplied);
QCOMPARE(allSet.byteOrder(), QPixelFormat::BigEndian);
QCOMPARE(allSet.typeInterpretation(), QPixelFormat::FloatingPoint);
QCOMPARE(allSet.byteOrder(), QPixelFormat::BigEndian);
QCOMPARE(allSet.subEnum(), uchar(63));
QPixelFormat nonSet = QPixelFormat(QPixelFormat::RGB,6,5,4,3,2,1,
QPixelFormat::IgnoresAlpha,
QPixelFormat::AtBeginning,
QPixelFormat::NotPremultiplied,
QPixelFormat::UnsignedInteger,
QPixelFormat::LittleEndian);
QCOMPARE(nonSet.alphaUsage(), QPixelFormat::IgnoresAlpha);
QCOMPARE(nonSet.alphaPosition(), QPixelFormat::AtBeginning);
QCOMPARE(nonSet.premultiplied(), QPixelFormat::NotPremultiplied);
QCOMPARE(nonSet.byteOrder(), QPixelFormat::LittleEndian);
QCOMPARE(nonSet.typeInterpretation(), QPixelFormat::UnsignedInteger);
QCOMPARE(nonSet.byteOrder(), QPixelFormat::LittleEndian);
QCOMPARE(nonSet.subEnum(), uchar(0));
}
#include <tst_qpixelformat.moc>
QTEST_MAIN(tst_QPixelFormat);
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