a3a4114f53
A pointer to the data of one qimage is used, with an offset, in a copy. In the mono case, that could lead to overflow: the last row would of the copy would stretch 1 byte beyond the end of the allocated area. Fix by reducing the height of the copy, so that it keeps within the allocated memory. Task-number: QTBUG-28322 Change-Id: I09abfc83f738f8af000fc50f8c94f63dba3a6cfe Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
2098 lines
79 KiB
C++
2098 lines
79 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 test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <qimage.h>
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#include <qimagereader.h>
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#include <qlist.h>
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#include <qmatrix.h>
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#include <stdio.h>
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#include <qpainter.h>
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#include <private/qdrawhelper_p.h>
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Q_DECLARE_METATYPE(QImage::Format)
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Q_DECLARE_METATYPE(Qt::GlobalColor)
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class tst_QImage : public QObject
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{
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Q_OBJECT
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public:
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tst_QImage();
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private slots:
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void swap();
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void create();
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void createInvalidXPM();
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void createFromUChar();
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void formatHandlersInput_data();
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void formatHandlersInput();
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void setAlphaChannel_data();
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void setAlphaChannel();
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void alphaChannel();
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void convertToFormat_data();
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void convertToFormat();
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void convertToFormatRgb888ToRGB32();
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void createAlphaMask_data();
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void createAlphaMask();
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#ifndef QT_NO_IMAGE_HEURISTIC_MASK
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void createHeuristicMask();
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#endif
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void dotsPerMeterZero();
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void convertToFormatPreserveDotsPrMeter();
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void convertToFormatPreserveText();
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void rotate_data();
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void rotate();
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void copy();
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void load();
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void loadFromData();
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#if !defined(QT_NO_DATASTREAM)
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void loadFromDataStream();
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#endif
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void setPixel_data();
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void setPixel();
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void setColorCount();
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void setColor();
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void rasterClipping();
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void pointOverloads();
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void destructor();
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void cacheKey();
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void smoothScale();
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void smoothScale2();
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void smoothScale3();
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void smoothScaleBig();
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void smoothScaleAlpha();
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void transformed_data();
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void transformed();
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void transformed2();
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void scaled();
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void paintEngine();
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void setAlphaChannelWhilePainting();
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void smoothScaledSubImage();
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void nullSize_data();
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void nullSize();
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void premultipliedAlphaConsistency();
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void compareIndexed();
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void fillColor_data();
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void fillColor();
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void fillColorWithAlpha();
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void fillRGB888();
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void rgbSwapped_data();
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void rgbSwapped();
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void deepCopyWhenPaintingActive();
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void scaled_QTBUG19157();
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void cleanupFunctions();
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};
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tst_QImage::tst_QImage()
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{
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}
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void tst_QImage::swap()
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{
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QImage i1( 16, 16, QImage::Format_RGB32 ), i2( 32, 32, QImage::Format_RGB32 );
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i1.fill( Qt::white );
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i2.fill( Qt::black );
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const qint64 i1k = i1.cacheKey();
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const qint64 i2k = i2.cacheKey();
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i1.swap(i2);
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QCOMPARE(i1.cacheKey(), i2k);
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QCOMPARE(i1.size(), QSize(32,32));
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QCOMPARE(i2.cacheKey(), i1k);
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QCOMPARE(i2.size(), QSize(16,16));
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}
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// Test if QImage (or any functions called from QImage) throws an
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// exception when creating an extremely large image.
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// QImage::create() should return "false" in this case.
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void tst_QImage::create()
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{
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bool cr = true;
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#if !defined(Q_OS_WINCE)
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QT_TRY {
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#endif
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//QImage image(7000000, 7000000, 8, 256, QImage::IgnoreEndian);
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QImage image(7000000, 7000000, QImage::Format_Indexed8);
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image.setColorCount(256);
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cr = !image.isNull();
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#if !defined(Q_OS_WINCE)
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} QT_CATCH (...) {
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}
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#endif
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QVERIFY( !cr );
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}
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void tst_QImage::createInvalidXPM()
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{
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QTest::ignoreMessage(QtWarningMsg, "QImage::QImage(), XPM is not supported");
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const char *xpm[] = {""};
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QImage invalidXPM(xpm);
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QVERIFY(invalidXPM.isNull());
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}
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void tst_QImage::createFromUChar()
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{
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uchar data[] = {
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#if Q_BYTE_ORDER == Q_BIG_ENDIAN
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0xFF,
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#endif
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1,1,1, 0xFF, 2,2,2, 0xFF, 3,3,3, 0xFF, 4,4,4,
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#if Q_BYTE_ORDER != Q_BIG_ENDIAN
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0xFF,
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#endif
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};
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// When the data is const, nothing you do to the image will change the source data.
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QImage i1((const uchar*)data, 2, 2, 8, QImage::Format_RGB32);
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QCOMPARE(i1.pixel(0,0), 0xFF010101U);
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QCOMPARE(i1.pixel(1,0), 0xFF020202U);
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QCOMPARE(i1.pixel(0,1), 0xFF030303U);
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QCOMPARE(i1.pixel(1,1), 0xFF040404U);
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{
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QImage i(i1);
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i.setPixel(0,0,5);
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}
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QCOMPARE(i1.pixel(0,0), 0xFF010101U);
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QCOMPARE(*(QRgb*)data, 0xFF010101U);
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*((QRgb*)i1.bits()) = 7U;
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QCOMPARE(i1.pixel(0,0), 7U);
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QCOMPARE(*(QRgb*)data, 0xFF010101U);
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// Changing copies should not change the original image or data.
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{
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QImage i(i1);
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i.setPixel(0,0,5);
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QCOMPARE(*(QRgb*)data, 0xFF010101U);
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i1.setPixel(0,0,9);
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QCOMPARE(i1.pixel(0,0), 0xFF000009U);
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QCOMPARE(i.pixel(0,0), 0xFF000005U);
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}
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QCOMPARE(i1.pixel(0,0), 0xFF000009U);
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// When the data is non-const, nothing you do to copies of the image will change the source data,
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// but changing the image (here via bits()) will change the source data.
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QImage i2((uchar*)data, 2, 2, 8, QImage::Format_RGB32);
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QCOMPARE(i2.pixel(0,0), 0xFF010101U);
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QCOMPARE(i2.pixel(1,0), 0xFF020202U);
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QCOMPARE(i2.pixel(0,1), 0xFF030303U);
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QCOMPARE(i2.pixel(1,1), 0xFF040404U);
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{
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QImage i(i2);
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i.setPixel(0,0,5);
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}
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QCOMPARE(i2.pixel(0,0), 0xFF010101U);
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QCOMPARE(*(QRgb*)data, 0xFF010101U);
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*((QRgb*)i2.bits()) = 7U;
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QCOMPARE(i2.pixel(0,0), 7U);
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QCOMPARE(*(QRgb*)data, 7U);
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// Changing the data will change the image in either case.
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QImage i3((uchar*)data, 2, 2, 8, QImage::Format_RGB32);
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QImage i4((const uchar*)data, 2, 2, 8, QImage::Format_RGB32);
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*(QRgb*)data = 6U;
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QCOMPARE(i3.pixel(0,0), 6U);
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QCOMPARE(i4.pixel(0,0), 6U);
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}
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void tst_QImage::formatHandlersInput_data()
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{
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QTest::addColumn<QString>("testFormat");
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QTest::addColumn<QString>("testFile");
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const QString prefix = QFINDTESTDATA("images/");
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if (prefix.isEmpty())
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QFAIL("can not find images directory!");
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// add a new line here when a file is added
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QTest::newRow("ICO") << "ICO" << prefix + "image.ico";
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QTest::newRow("PNG") << "PNG" << prefix + "image.png";
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QTest::newRow("GIF") << "GIF" << prefix + "image.gif";
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QTest::newRow("BMP") << "BMP" << prefix + "image.bmp";
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QTest::newRow("JPEG") << "JPEG" << prefix + "image.jpg";
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QTest::newRow("PBM") << "PBM" << prefix + "image.pbm";
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QTest::newRow("PGM") << "PGM" << prefix + "image.pgm";
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QTest::newRow("PPM") << "PPM" << prefix + "image.ppm";
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QTest::newRow("XBM") << "XBM" << prefix + "image.xbm";
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QTest::newRow("XPM") << "XPM" << prefix + "image.xpm";
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}
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void tst_QImage::formatHandlersInput()
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{
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QFETCH(QString, testFormat);
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QFETCH(QString, testFile);
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QList<QByteArray> formats = QImageReader::supportedImageFormats();
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// qDebug("Image input formats : %s", formats.join(" | ").latin1());
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bool formatSupported = false;
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for (QList<QByteArray>::Iterator it = formats.begin(); it != formats.end(); ++it) {
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if (*it == testFormat.toLower()) {
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formatSupported = true;
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break;
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}
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}
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if (formatSupported) {
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// qDebug(QImage::imageFormat(testFile));
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QCOMPARE(testFormat.toLatin1().toLower(), QImageReader::imageFormat(testFile));
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} else {
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QString msg = "Format not supported : ";
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QSKIP(QString(msg + testFormat).toLatin1());
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}
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}
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void tst_QImage::setAlphaChannel_data()
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{
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QTest::addColumn<int>("red");
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QTest::addColumn<int>("green");
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QTest::addColumn<int>("blue");
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QTest::addColumn<int>("alpha");
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QTest::addColumn<bool>("gray");
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QTest::newRow("red at 0%, gray") << 255 << 0 << 0 << 0 << true;
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QTest::newRow("red at 25%, gray") << 255 << 0 << 0 << 63 << true;
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QTest::newRow("red at 50%, gray") << 255 << 0 << 0 << 127 << true;
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QTest::newRow("red at 100%, gray") << 255 << 0 << 0 << 191 << true;
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QTest::newRow("red at 0%, 32bit") << 255 << 0 << 0 << 0 << false;
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QTest::newRow("red at 25%, 32bit") << 255 << 0 << 0 << 63 << false;
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QTest::newRow("red at 50%, 32bit") << 255 << 0 << 0 << 127 << false;
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QTest::newRow("red at 100%, 32bit") << 255 << 0 << 0 << 191 << false;
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QTest::newRow("green at 0%, gray") << 0 << 255 << 0 << 0 << true;
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QTest::newRow("green at 25%, gray") << 0 << 255 << 0 << 63 << true;
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QTest::newRow("green at 50%, gray") << 0 << 255 << 0 << 127 << true;
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QTest::newRow("green at 100%, gray") << 0 << 255 << 0 << 191 << true;
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QTest::newRow("green at 0%, 32bit") << 0 << 255 << 0 << 0 << false;
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QTest::newRow("green at 25%, 32bit") << 0 << 255 << 0 << 63 << false;
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QTest::newRow("green at 50%, 32bit") << 0 << 255 << 0 << 127 << false;
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QTest::newRow("green at 100%, 32bit") << 0 << 255 << 0 << 191 << false;
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QTest::newRow("blue at 0%, gray") << 0 << 0 << 255 << 0 << true;
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QTest::newRow("blue at 25%, gray") << 0 << 0 << 255 << 63 << true;
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QTest::newRow("blue at 50%, gray") << 0 << 0 << 255 << 127 << true;
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QTest::newRow("blue at 100%, gray") << 0 << 0 << 255 << 191 << true;
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QTest::newRow("blue at 0%, 32bit") << 0 << 0 << 255 << 0 << false;
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QTest::newRow("blue at 25%, 32bit") << 0 << 0 << 255 << 63 << false;
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QTest::newRow("blue at 50%, 32bit") << 0 << 0 << 255 << 127 << false;
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QTest::newRow("blue at 100%, 32bit") << 0 << 0 << 255 << 191 << false;
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}
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void tst_QImage::setAlphaChannel()
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{
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QFETCH(int, red);
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QFETCH(int, green);
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QFETCH(int, blue);
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QFETCH(int, alpha);
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QFETCH(bool, gray);
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int width = 100;
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int height = 100;
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QImage image(width, height, QImage::Format_RGB32);
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image.fill(qRgb(red, green, blue));
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// Create the alpha channel
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QImage alphaChannel;
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if (gray) {
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alphaChannel = QImage(width, height, QImage::Format_Indexed8);
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alphaChannel.setColorCount(256);
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for (int i=0; i<256; ++i)
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alphaChannel.setColor(i, qRgb(i, i, i));
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alphaChannel.fill(alpha);
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} else {
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alphaChannel = QImage(width, height, QImage::Format_ARGB32);
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alphaChannel.fill(qRgb(alpha, alpha, alpha));
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}
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image.setAlphaChannel(alphaChannel);
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image = image.convertToFormat(QImage::Format_ARGB32);
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QVERIFY(image.format() == QImage::Format_ARGB32);
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// alpha of 0 becomes black at a=0 due to premultiplication
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QRgb pixel = alpha == 0 ? 0 : qRgba(red, green, blue, alpha);
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bool allPixelsOK = true;
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for (int y=0; y<height; ++y) {
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for (int x=0; x<width; ++x) {
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allPixelsOK &= image.pixel(x, y) == pixel;
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}
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}
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QVERIFY(allPixelsOK);
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QImage outAlpha = image.alphaChannel();
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QCOMPARE(outAlpha.size(), image.size());
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bool allAlphaOk = true;
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for (int y=0; y<height; ++y) {
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for (int x=0; x<width; ++x) {
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allAlphaOk &= outAlpha.pixelIndex(x, y) == alpha;
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}
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}
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QVERIFY(allAlphaOk);
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}
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void tst_QImage::alphaChannel()
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{
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QImage img(10, 10, QImage::Format_Mono);
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img.setColor(0, Qt::transparent);
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img.setColor(1, Qt::black);
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img.fill(0);
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QPainter p(&img);
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p.fillRect(2, 2, 6, 6, Qt::black);
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p.end();
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QCOMPARE(img.alphaChannel(), img.convertToFormat(QImage::Format_ARGB32).alphaChannel());
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}
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void tst_QImage::convertToFormat_data()
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{
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QTest::addColumn<int>("inFormat");
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QTest::addColumn<uint>("inPixel");
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QTest::addColumn<int>("resFormat");
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QTest::addColumn<uint>("resPixel");
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QTest::newRow("red rgb32 -> argb32") << int(QImage::Format_RGB32) << 0xffff0000
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<< int(QImage::Format_ARGB32) << 0xffff0000;
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QTest::newRow("green rgb32 -> argb32") << int(QImage::Format_RGB32) << 0xff00ff00
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<< int(QImage::Format_ARGB32) << 0xff00ff00;
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QTest::newRow("blue rgb32 -> argb32") << int(QImage::Format_RGB32) << 0xff0000ff
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<< int(QImage::Format_ARGB32) << 0xff0000ff;
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QTest::newRow("red rgb32 -> rgb16") << int(QImage::Format_RGB32) << 0xffff0000
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<< int(QImage::Format_RGB16) << 0xffff0000;
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QTest::newRow("green rgb32 -> rgb16") << int(QImage::Format_RGB32) << 0xff00ff00
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<< int(QImage::Format_RGB16) << 0xff00ff00;
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QTest::newRow("blue rgb32 -> rgb16") << int(QImage::Format_RGB32) << 0xff0000ff
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<< int(QImage::Format_RGB16) << 0xff0000ff;
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QTest::newRow("funky rgb32 -> rgb16") << int(QImage::Format_RGB32) << 0xfff0c080
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<< int(QImage::Format_RGB16) << 0xfff7c384;
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QTest::newRow("red rgb32 -> argb32_pm") << int(QImage::Format_RGB32) << 0xffff0000
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<< int(QImage::Format_ARGB32_Premultiplied) << 0xffff0000;
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QTest::newRow("green rgb32 -> argb32_pm") << int(QImage::Format_RGB32) << 0xff00ff00
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<< int(QImage::Format_ARGB32_Premultiplied) <<0xff00ff00;
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QTest::newRow("blue rgb32 -> argb32_pm") << int(QImage::Format_RGB32) << 0xff0000ff
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<< int(QImage::Format_ARGB32_Premultiplied) << 0xff0000ff;
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QTest::newRow("semired argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7fff0000u
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<< int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u;
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QTest::newRow("semigreen argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7f00ff00u
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<< int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u;
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QTest::newRow("semiblue argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7f0000ffu
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<< int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu;
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QTest::newRow("semiwhite argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7fffffffu
|
|
<< int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu;
|
|
QTest::newRow("semiblack argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7f000000u
|
|
<< int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u;
|
|
|
|
QTest::newRow("semired pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u
|
|
<< int(QImage::Format_ARGB32) << 0x7fff0000u;
|
|
QTest::newRow("semigreen pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u
|
|
<< int(QImage::Format_ARGB32) << 0x7f00ff00u;
|
|
QTest::newRow("semiblue pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu
|
|
<< int(QImage::Format_ARGB32) << 0x7f0000ffu;
|
|
QTest::newRow("semiwhite pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu
|
|
<< int(QImage::Format_ARGB32) << 0x7fffffffu;
|
|
QTest::newRow("semiblack pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u
|
|
<< int(QImage::Format_ARGB32) << 0x7f000000u;
|
|
|
|
QTest::newRow("semired pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u
|
|
<< int(QImage::Format_RGB32) << 0xffff0000u;
|
|
QTest::newRow("semigreen pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u
|
|
<< int(QImage::Format_RGB32) << 0xff00ff00u;
|
|
QTest::newRow("semiblue pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu
|
|
<< int(QImage::Format_RGB32) << 0xff0000ffu;
|
|
QTest::newRow("semiwhite pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu
|
|
<< int(QImage::Format_RGB32) << 0xffffffffu;
|
|
QTest::newRow("semiblack pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u
|
|
<< int(QImage::Format_RGB32) << 0xff000000u;
|
|
|
|
QTest::newRow("semired argb32 -> rgb32") << int(QImage::Format_ARGB32) << 0x7fff0000u
|
|
<< int(QImage::Format_RGB32) << 0xffff0000u;
|
|
QTest::newRow("semigreen argb32 -> rgb32") << int(QImage::Format_ARGB32) << 0x7f00ff00u
|
|
<< int(QImage::Format_RGB32) << 0xff00ff00u;
|
|
QTest::newRow("semiblue argb32 -> rgb32") << int(QImage::Format_ARGB32) << 0x7f0000ffu
|
|
<< int(QImage::Format_RGB32) << 0xff0000ffu;
|
|
QTest::newRow("semiwhite argb -> rgb32") << int(QImage::Format_ARGB32) << 0x7fffffffu
|
|
<< int(QImage::Format_RGB32) << 0xffffffffu;
|
|
QTest::newRow("semiblack argb -> rgb32") << int(QImage::Format_ARGB32) << 0x7f000000u
|
|
<< int(QImage::Format_RGB32) << 0xff000000u;
|
|
|
|
QTest::newRow("black mono -> rgb32") << int(QImage::Format_Mono) << 0x00000000u
|
|
<< int(QImage::Format_RGB32) << 0xff000000u;
|
|
|
|
QTest::newRow("white mono -> rgb32") << int(QImage::Format_Mono) << 0x00000001u
|
|
<< int(QImage::Format_RGB32) << 0xffffffffu;
|
|
QTest::newRow("red rgb16 -> argb32") << int(QImage::Format_RGB16) << 0xffff0000
|
|
<< int(QImage::Format_ARGB32) << 0xffff0000;
|
|
QTest::newRow("green rgb16 -> argb32") << int(QImage::Format_RGB16) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB32) << 0xff00ff00;
|
|
QTest::newRow("blue rgb16 -> argb32") << int(QImage::Format_RGB16) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB32) << 0xff0000ff;
|
|
QTest::newRow("red rgb16 -> rgb16") << int(QImage::Format_RGB32) << 0xffff0000
|
|
<< int(QImage::Format_RGB16) << 0xffff0000;
|
|
QTest::newRow("green rgb16 -> rgb16") << int(QImage::Format_RGB32) << 0xff00ff00
|
|
<< int(QImage::Format_RGB16) << 0xff00ff00;
|
|
QTest::newRow("blue rgb16 -> rgb16") << int(QImage::Format_RGB32) << 0xff0000ff
|
|
<< int(QImage::Format_RGB16) << 0xff0000ff;
|
|
QTest::newRow("semired argb32 -> rgb16") << int(QImage::Format_ARGB32) << 0x7fff0000u
|
|
<< int(QImage::Format_RGB16) << 0xffff0000;
|
|
QTest::newRow("semigreen argb32 -> rgb16") << int(QImage::Format_ARGB32) << 0x7f00ff00u
|
|
<< int(QImage::Format_RGB16) << 0xff00ff00;
|
|
QTest::newRow("semiblue argb32 -> rgb16") << int(QImage::Format_ARGB32) << 0x7f0000ffu
|
|
<< int(QImage::Format_RGB16) << 0xff0000ff;
|
|
QTest::newRow("semired pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u
|
|
<< int(QImage::Format_RGB16) << 0xffff0000u;
|
|
|
|
QTest::newRow("semigreen pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u
|
|
<< int(QImage::Format_RGB16) << 0xff00ff00u;
|
|
QTest::newRow("semiblue pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu
|
|
<< int(QImage::Format_RGB16) << 0xff0000ffu;
|
|
QTest::newRow("semiwhite pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu
|
|
<< int(QImage::Format_RGB16) << 0xffffffffu;
|
|
QTest::newRow("semiblack pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u
|
|
<< int(QImage::Format_RGB16) << 0xff000000u;
|
|
|
|
QTest::newRow("mono -> mono lsb") << int(QImage::Format_Mono) << 1u
|
|
<< int(QImage::Format_MonoLSB) << 0xffffffffu;
|
|
QTest::newRow("mono lsb -> mono") << int(QImage::Format_MonoLSB) << 1u
|
|
<< int(QImage::Format_Mono) << 0xffffffffu;
|
|
|
|
QTest::newRow("red rgb32 -> rgb666") << int(QImage::Format_RGB32) << 0xffff0000
|
|
<< int(QImage::Format_RGB666) << 0xffff0000;
|
|
QTest::newRow("green rgb32 -> rgb666") << int(QImage::Format_RGB32) << 0xff00ff00
|
|
<< int(QImage::Format_RGB666) << 0xff00ff00;
|
|
QTest::newRow("blue rgb32 -> rgb666") << int(QImage::Format_RGB32) << 0xff0000ff
|
|
<< int(QImage::Format_RGB666) << 0xff0000ff;
|
|
|
|
QTest::newRow("red rgb16 -> rgb666") << int(QImage::Format_RGB16) << 0xffff0000
|
|
<< int(QImage::Format_RGB666) << 0xffff0000;
|
|
QTest::newRow("green rgb16 -> rgb666") << int(QImage::Format_RGB16) << 0xff00ff00
|
|
<< int(QImage::Format_RGB666) << 0xff00ff00;
|
|
QTest::newRow("blue rgb16 -> rgb666") << int(QImage::Format_RGB16) << 0xff0000ff
|
|
<< int(QImage::Format_RGB666) << 0xff0000ff;
|
|
|
|
QTest::newRow("red rgb32 -> rgb15") << int(QImage::Format_RGB32) << 0xffff0000
|
|
<< int(QImage::Format_RGB555) << 0xffff0000;
|
|
QTest::newRow("green rgb32 -> rgb15") << int(QImage::Format_RGB32) << 0xff00ff00
|
|
<< int(QImage::Format_RGB555) << 0xff00ff00;
|
|
QTest::newRow("blue rgb32 -> rgb15") << int(QImage::Format_RGB32) << 0xff0000ff
|
|
<< int(QImage::Format_RGB555) << 0xff0000ff;
|
|
QTest::newRow("funky rgb32 -> rgb15") << int(QImage::Format_RGB32) << 0xfff0c080
|
|
<< int(QImage::Format_RGB555) << 0xfff7c684;
|
|
|
|
QTest::newRow("red rgb16 -> rgb15") << int(QImage::Format_RGB16) << 0xffff0000
|
|
<< int(QImage::Format_RGB555) << 0xffff0000;
|
|
QTest::newRow("green rgb16 -> rgb15") << int(QImage::Format_RGB16) << 0xff00ff00
|
|
<< int(QImage::Format_RGB555) << 0xff00ff00;
|
|
QTest::newRow("blue rgb16 -> rgb15") << int(QImage::Format_RGB16) << 0xff0000ff
|
|
<< int(QImage::Format_RGB555) << 0xff0000ff;
|
|
QTest::newRow("funky rgb16 -> rgb15") << int(QImage::Format_RGB16) << 0xfff0c080
|
|
<< int(QImage::Format_RGB555) << 0xfff7c684;
|
|
|
|
QTest::newRow("red rgb32 -> argb8565") << int(QImage::Format_RGB32) << 0xffff0000
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0xffff0000;
|
|
QTest::newRow("green rgb32 -> argb8565") << int(QImage::Format_RGB32) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0xff00ff00;
|
|
QTest::newRow("blue rgb32 -> argb8565") << int(QImage::Format_RGB32) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0xff0000ff;
|
|
|
|
QTest::newRow("red rgb16 -> argb8565") << int(QImage::Format_RGB16) << 0xffff0000
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0xffff0000;
|
|
QTest::newRow("green rgb16 -> argb8565") << int(QImage::Format_RGB16) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0xff00ff00;
|
|
QTest::newRow("blue rgb16 -> argb8565") << int(QImage::Format_RGB16) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0xff0000ff;
|
|
|
|
QTest::newRow("red argb8565 -> argb32") << int(QImage::Format_ARGB8565_Premultiplied) << 0xffff0000
|
|
<< int(QImage::Format_ARGB32) << 0xffff0000;
|
|
QTest::newRow("green argb8565 -> argb32") << int(QImage::Format_ARGB8565_Premultiplied) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB32) << 0xff00ff00;
|
|
QTest::newRow("blue argb8565 -> argb32") << int(QImage::Format_ARGB8565_Premultiplied) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB32) << 0xff0000ff;
|
|
|
|
QTest::newRow("semired argb32 -> argb8565") << int(QImage::Format_ARGB32) << 0x7fff0000u
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0x7f7b0000u;
|
|
QTest::newRow("semigreen argb32 -> argb8565") << int(QImage::Format_ARGB32) << 0x7f00ff00u
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0x7f007d00u;
|
|
QTest::newRow("semiblue argb32 -> argb8565") << int(QImage::Format_ARGB32) << 0x7f0000ffu
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0x7f00007bu;
|
|
|
|
QTest::newRow("semired pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0x7f7b0000u;
|
|
QTest::newRow("semigreen pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0x7f007d00u;
|
|
QTest::newRow("semiblue pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0x7f00007bu;
|
|
QTest::newRow("semiwhite pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0x7f7b7d7bu;
|
|
QTest::newRow("semiblack pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u
|
|
<< int(QImage::Format_ARGB8565_Premultiplied) << 0x7f000000u;
|
|
|
|
QTest::newRow("red rgb666 -> argb32") << int(QImage::Format_RGB666) << 0xffff0000
|
|
<< int(QImage::Format_ARGB32) << 0xffff0000;
|
|
QTest::newRow("green rgb666 -> argb32") << int(QImage::Format_RGB666) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB32) << 0xff00ff00;
|
|
QTest::newRow("blue rgb666 -> argb32") << int(QImage::Format_RGB666) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB32) << 0xff0000ff;
|
|
|
|
QTest::newRow("semired argb32 -> rgb666") << int(QImage::Format_ARGB32) << 0x7fff0000u
|
|
<< int(QImage::Format_RGB666) << 0xffff0000;
|
|
QTest::newRow("semigreen argb32 -> rgb666") << int(QImage::Format_ARGB32) << 0x7f00ff00u
|
|
<< int(QImage::Format_RGB666) << 0xff00ff00;
|
|
QTest::newRow("semiblue argb32 -> rgb666") << int(QImage::Format_ARGB32) << 0x7f0000ffu
|
|
<< int(QImage::Format_RGB666) << 0xff0000ff;
|
|
|
|
QTest::newRow("semired pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u
|
|
<< int(QImage::Format_RGB666) << 0xffff0000u;
|
|
QTest::newRow("semigreen pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u
|
|
<< int(QImage::Format_RGB666) << 0xff00ff00u;
|
|
QTest::newRow("semiblue pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu
|
|
<< int(QImage::Format_RGB666) << 0xff0000ffu;
|
|
QTest::newRow("semiwhite pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu
|
|
<< int(QImage::Format_RGB666) << 0xffffffffu;
|
|
QTest::newRow("semiblack pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u
|
|
<< int(QImage::Format_RGB666) << 0xff000000u;
|
|
|
|
QTest::newRow("red rgb15 -> argb32") << int(QImage::Format_RGB555) << 0xffff0000
|
|
<< int(QImage::Format_ARGB32) << 0xffff0000;
|
|
QTest::newRow("green rgb15 -> argb32") << int(QImage::Format_RGB555) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB32) << 0xff00ff00;
|
|
QTest::newRow("blue rgb15 -> argb32") << int(QImage::Format_RGB555) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB32) << 0xff0000ff;
|
|
|
|
QTest::newRow("semired argb32 -> rgb15") << int(QImage::Format_ARGB32) << 0x7fff0000u
|
|
<< int(QImage::Format_RGB555) << 0xffff0000;
|
|
QTest::newRow("semigreen argb32 -> rgb15") << int(QImage::Format_ARGB32) << 0x7f00ff00u
|
|
<< int(QImage::Format_RGB555) << 0xff00ff00;
|
|
QTest::newRow("semiblue argb32 -> rgb15") << int(QImage::Format_ARGB32) << 0x7f0000ffu
|
|
<< int(QImage::Format_RGB555) << 0xff0000ff;
|
|
|
|
QTest::newRow("semired pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u
|
|
<< int(QImage::Format_RGB555) << 0xffff0000u;
|
|
QTest::newRow("semigreen pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u
|
|
<< int(QImage::Format_RGB555) << 0xff00ff00u;
|
|
QTest::newRow("semiblue pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu
|
|
<< int(QImage::Format_RGB555) << 0xff0000ffu;
|
|
QTest::newRow("semiwhite pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu
|
|
<< int(QImage::Format_RGB555) << 0xffffffffu;
|
|
QTest::newRow("semiblack pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u
|
|
<< int(QImage::Format_RGB555) << 0xff000000u;
|
|
|
|
|
|
QTest::newRow("red rgb32 -> argb8555") << int(QImage::Format_RGB32) << 0xffff0000
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0xffff0000;
|
|
QTest::newRow("green rgb32 -> argb8555") << int(QImage::Format_RGB32) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0xff00ff00;
|
|
QTest::newRow("blue rgb32 -> argb8555") << int(QImage::Format_RGB32) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0xff0000ff;
|
|
|
|
QTest::newRow("red rgb16 -> argb8555") << int(QImage::Format_RGB16) << 0xffff0000
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0xffff0000;
|
|
QTest::newRow("green rgb16 -> argb8555") << int(QImage::Format_RGB16) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0xff00ff00;
|
|
QTest::newRow("blue rgb16 -> argb8555") << int(QImage::Format_RGB16) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0xff0000ff;
|
|
|
|
QTest::newRow("red argb8555 -> argb32") << int(QImage::Format_ARGB8555_Premultiplied) << 0xffff0000
|
|
<< int(QImage::Format_ARGB32) << 0xffff0000;
|
|
QTest::newRow("green argb8555 -> argb32") << int(QImage::Format_ARGB8555_Premultiplied) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB32) << 0xff00ff00;
|
|
QTest::newRow("blue argb8555 -> argb32") << int(QImage::Format_ARGB8555_Premultiplied) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB32) << 0xff0000ff;
|
|
|
|
QTest::newRow("semired argb32 -> argb8555") << int(QImage::Format_ARGB32) << 0x7fff0000u
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0x7f7b0000u;
|
|
QTest::newRow("semigreen argb32 -> argb8555") << int(QImage::Format_ARGB32) << 0x7f00ff00u
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0x7f007b00u;
|
|
QTest::newRow("semiblue argb32 -> argb8555") << int(QImage::Format_ARGB32) << 0x7f0000ffu
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0x7f00007bu;
|
|
|
|
QTest::newRow("semired pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0x7f7b0000u;
|
|
QTest::newRow("semigreen pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0x7f007b00u;
|
|
QTest::newRow("semiblue pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0x7f00007bu;
|
|
QTest::newRow("semiwhite pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0x7f7b7b7bu;
|
|
QTest::newRow("semiblack pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u
|
|
<< int(QImage::Format_ARGB8555_Premultiplied) << 0x7f000000u;
|
|
|
|
QTest::newRow("red rgb32 -> rgb888") << int(QImage::Format_RGB32) << 0xffff0000
|
|
<< int(QImage::Format_RGB888) << 0xffff0000;
|
|
QTest::newRow("green rgb32 -> rgb888") << int(QImage::Format_RGB32) << 0xff00ff00
|
|
<< int(QImage::Format_RGB888) << 0xff00ff00;
|
|
QTest::newRow("blue rgb32 -> rgb888") << int(QImage::Format_RGB32) << 0xff0000ff
|
|
<< int(QImage::Format_RGB888) << 0xff0000ff;
|
|
|
|
QTest::newRow("red rgb16 -> rgb888") << int(QImage::Format_RGB16) << 0xffff0000
|
|
<< int(QImage::Format_RGB888) << 0xffff0000;
|
|
QTest::newRow("green rgb16 -> rgb888") << int(QImage::Format_RGB16) << 0xff00ff00
|
|
<< int(QImage::Format_RGB888) << 0xff00ff00;
|
|
QTest::newRow("blue rgb16 -> rgb888") << int(QImage::Format_RGB16) << 0xff0000ff
|
|
<< int(QImage::Format_RGB888) << 0xff0000ff;
|
|
|
|
QTest::newRow("red rgb888 -> argb32") << int(QImage::Format_RGB888) << 0xffff0000
|
|
<< int(QImage::Format_ARGB32) << 0xffff0000;
|
|
QTest::newRow("green rgb888 -> argb32") << int(QImage::Format_RGB888) << 0xff00ff00
|
|
<< int(QImage::Format_ARGB32) << 0xff00ff00;
|
|
QTest::newRow("blue rgb888 -> argb32") << int(QImage::Format_RGB888) << 0xff0000ff
|
|
<< int(QImage::Format_ARGB32) << 0xff0000ff;
|
|
|
|
QTest::newRow("semired argb32 -> rgb888") << int(QImage::Format_ARGB32) << 0x7fff0000u
|
|
<< int(QImage::Format_RGB888) << 0xffff0000;
|
|
QTest::newRow("semigreen argb32 -> rgb888") << int(QImage::Format_ARGB32) << 0x7f00ff00u
|
|
<< int(QImage::Format_RGB888) << 0xff00ff00;
|
|
QTest::newRow("semiblue argb32 -> rgb888") << int(QImage::Format_ARGB32) << 0x7f0000ffu
|
|
<< int(QImage::Format_RGB888) << 0xff0000ff;
|
|
|
|
QTest::newRow("semired pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u
|
|
<< int(QImage::Format_RGB888) << 0xffff0000u;
|
|
QTest::newRow("semigreen pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u
|
|
<< int(QImage::Format_RGB888) << 0xff00ff00u;
|
|
QTest::newRow("semiblue pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu
|
|
<< int(QImage::Format_RGB888) << 0xff0000ffu;
|
|
QTest::newRow("semiwhite pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu
|
|
<< int(QImage::Format_RGB888) << 0xffffffffu;
|
|
QTest::newRow("semiblack pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u
|
|
<< int(QImage::Format_RGB888) << 0xff000000u;
|
|
}
|
|
|
|
|
|
void tst_QImage::convertToFormat()
|
|
{
|
|
QFETCH(int, inFormat);
|
|
QFETCH(uint, inPixel);
|
|
QFETCH(int, resFormat);
|
|
QFETCH(uint, resPixel);
|
|
|
|
QImage src(32, 32, QImage::Format(inFormat));
|
|
|
|
if (inFormat == QImage::Format_Mono) {
|
|
src.setColor(0, qRgba(0,0,0,0xff));
|
|
src.setColor(1, qRgba(255,255,255,0xff));
|
|
}
|
|
|
|
for (int y=0; y<src.height(); ++y)
|
|
for (int x=0; x<src.width(); ++x)
|
|
src.setPixel(x, y, inPixel);
|
|
|
|
QImage result = src.convertToFormat(QImage::Format(resFormat));
|
|
|
|
QCOMPARE(src.width(), result.width());
|
|
QCOMPARE(src.height(), result.height());
|
|
|
|
bool same = true;
|
|
for (int y=0; y<result.height(); ++y) {
|
|
for (int x=0; x<result.width(); ++x) {
|
|
QRgb pixel = result.pixel(x, y);
|
|
same &= (pixel == resPixel);
|
|
if (!same) {
|
|
printf("expect=%08x, result=%08x\n", resPixel, pixel);
|
|
y = 100000;
|
|
break;
|
|
}
|
|
|
|
}
|
|
}
|
|
QVERIFY(same);
|
|
|
|
// repeat tests converting from an image with nonstandard stride
|
|
|
|
int dp = (src.depth() < 8 || result.depth() < 8) ? 8 : 1;
|
|
QImage src2(src.bits() + (dp*src.depth())/8,
|
|
src.width() - dp*2,
|
|
src.height() - 1, src.bytesPerLine(),
|
|
src.format());
|
|
if (src.depth() < 8)
|
|
src2.setColorTable(src.colorTable());
|
|
|
|
const QImage result2 = src2.convertToFormat(QImage::Format(resFormat));
|
|
|
|
QCOMPARE(src2.width(), result2.width());
|
|
QCOMPARE(src2.height(), result2.height());
|
|
|
|
QImage expected2(result.bits() + (dp*result.depth())/8,
|
|
result.width() - dp*2,
|
|
result.height() - 1, result.bytesPerLine(),
|
|
result.format());
|
|
if (result.depth() < 8)
|
|
expected2.setColorTable(result.colorTable());
|
|
|
|
result2.save("result2.xpm", "XPM");
|
|
expected2.save("expected2.xpm", "XPM");
|
|
|
|
QCOMPARE(result2, expected2);
|
|
QFile::remove(QLatin1String("result2.xpm"));
|
|
QFile::remove(QLatin1String("expected2.xpm"));
|
|
}
|
|
|
|
void tst_QImage::convertToFormatRgb888ToRGB32()
|
|
{
|
|
// 545 so width % 4 != 0. This ensure there is padding at the end of the scanlines
|
|
const int height = 545;
|
|
const int width = 545;
|
|
QImage source(width, height, QImage::Format_RGB888);
|
|
for (int y = 0; y < height; ++y) {
|
|
uchar *srcPixels = source.scanLine(y);
|
|
for (int x = 0; x < width * 3; ++x)
|
|
srcPixels[x] = x;
|
|
}
|
|
|
|
QImage rgb32Image = source.convertToFormat(QImage::Format_RGB888);
|
|
QCOMPARE(rgb32Image.format(), QImage::Format_RGB888);
|
|
for (int x = 0; x < width; ++x) {
|
|
for (int y = 0; y < height; ++y)
|
|
QCOMPARE(rgb32Image.pixel(x, y), source.pixel(x, y));
|
|
}
|
|
}
|
|
|
|
void tst_QImage::createAlphaMask_data()
|
|
{
|
|
QTest::addColumn<int>("x");
|
|
QTest::addColumn<int>("y");
|
|
QTest::addColumn<int>("alpha1");
|
|
QTest::addColumn<int>("alpha2");
|
|
|
|
int alphas[] = { 0, 127, 255 };
|
|
|
|
for (unsigned a1 = 0; a1 < sizeof(alphas) / sizeof(int); ++a1) {
|
|
for (unsigned a2 = 0; a2 < sizeof(alphas) / sizeof(int); ++a2) {
|
|
if (a1 == a2)
|
|
continue;
|
|
for (int x=10; x<18; x+=3) {
|
|
for (int y=100; y<108; y+=3) {
|
|
QTest::newRow(qPrintable(QString::fromLatin1("x=%1, y=%2, a1=%3, a2=%4").arg(x).arg(y).arg(alphas[a1]).arg(alphas[a2])))
|
|
<< x << y << alphas[a1] << alphas[a2];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void tst_QImage::createAlphaMask()
|
|
{
|
|
QFETCH(int, x);
|
|
QFETCH(int, y);
|
|
QFETCH(int, alpha1);
|
|
QFETCH(int, alpha2);
|
|
|
|
QSize size(255, 255);
|
|
int pixelsInLines = size.width() + size.height() - 1;
|
|
int pixelsOutofLines = size.width() * size.height() - pixelsInLines;
|
|
|
|
// Generate an white image with two lines, horizontal at y and vertical at x.
|
|
// Lines have alpha of alpha2, rest has alpha of alpha1
|
|
QImage image(size, QImage::Format_ARGB32);
|
|
for (int cy=0; cy<image.height(); ++cy) {
|
|
for (int cx=0; cx<image.width(); ++cx) {
|
|
int alpha = (y == cy || x == cx) ? alpha2 : alpha1;
|
|
image.setPixel(cx, cy, qRgba(255, 255, 255, alpha));
|
|
}
|
|
}
|
|
|
|
QImage mask = image.createAlphaMask(Qt::OrderedAlphaDither);
|
|
|
|
// Sanity check...
|
|
QCOMPARE(mask.width(), image.width());
|
|
QCOMPARE(mask.height(), image.height());
|
|
|
|
// Sum up the number of pixels set for both lines and other area
|
|
int sumAlpha1 = 0;
|
|
int sumAlpha2 = 0;
|
|
for (int cy=0; cy<image.height(); ++cy) {
|
|
for (int cx=0; cx<image.width(); ++cx) {
|
|
int *alpha = (y == cy || x == cx) ? &sumAlpha2 : &sumAlpha1;
|
|
*alpha += mask.pixelIndex(cx, cy);
|
|
}
|
|
}
|
|
|
|
// Compare the set bits to whats expected for that alpha.
|
|
const int threshold = 5;
|
|
QVERIFY(qAbs(sumAlpha1 * 255 / pixelsOutofLines - alpha1) < threshold);
|
|
QVERIFY(qAbs(sumAlpha2 * 255 / pixelsInLines - alpha2) < threshold);
|
|
}
|
|
|
|
void tst_QImage::dotsPerMeterZero()
|
|
{
|
|
QImage img(100, 100, QImage::Format_RGB32);
|
|
QVERIFY(!img.isNull());
|
|
|
|
int defaultDpmX = img.dotsPerMeterX();
|
|
int defaultDpmY = img.dotsPerMeterY();
|
|
QVERIFY(defaultDpmX != 0);
|
|
QVERIFY(defaultDpmY != 0);
|
|
|
|
img.setDotsPerMeterX(0);
|
|
img.setDotsPerMeterY(0);
|
|
|
|
QCOMPARE(img.dotsPerMeterX(), defaultDpmX);
|
|
QCOMPARE(img.dotsPerMeterY(), defaultDpmY);
|
|
}
|
|
|
|
void tst_QImage::rotate_data()
|
|
{
|
|
QTest::addColumn<QImage::Format>("format");
|
|
QTest::addColumn<int>("degrees");
|
|
|
|
QVector<int> degrees;
|
|
degrees << 0 << 90 << 180 << 270;
|
|
|
|
foreach (int d, degrees) {
|
|
QString title = QString("%1 %2").arg(d);
|
|
QTest::newRow(qPrintable(title.arg("Format_RGB32")))
|
|
<< QImage::Format_RGB32 << d;
|
|
QTest::newRow(qPrintable(title.arg("Format_ARGB32")))
|
|
<< QImage::Format_ARGB32 << d;
|
|
QTest::newRow(qPrintable(title.arg("Format_ARGB32_Premultiplied")))
|
|
<< QImage::Format_ARGB32_Premultiplied << d;
|
|
QTest::newRow(qPrintable(title.arg("Format_RGB16")))
|
|
<< QImage::Format_RGB16 << d;
|
|
QTest::newRow(qPrintable(title.arg("Format_ARGB8565_Premultiplied")))
|
|
<< QImage::Format_ARGB8565_Premultiplied << d;
|
|
QTest::newRow(qPrintable(title.arg("Format_RGB666")))
|
|
<< QImage::Format_RGB666 << d;
|
|
QTest::newRow(qPrintable(title.arg("Format_RGB555")))
|
|
<< QImage::Format_RGB555 << d;
|
|
QTest::newRow(qPrintable(title.arg("Format_ARGB8555_Premultiplied")))
|
|
<< QImage::Format_ARGB8555_Premultiplied << d;
|
|
QTest::newRow(qPrintable(title.arg("Format_RGB888")))
|
|
<< QImage::Format_RGB888 << d;
|
|
QTest::newRow(qPrintable(title.arg("Format_Indexed8")))
|
|
<< QImage::Format_Indexed8 << d;
|
|
}
|
|
}
|
|
|
|
void tst_QImage::rotate()
|
|
{
|
|
QFETCH(QImage::Format, format);
|
|
QFETCH(int, degrees);
|
|
|
|
// test if rotate90 is lossless
|
|
int w = 54;
|
|
int h = 13;
|
|
QImage original(w, h, format);
|
|
original.fill(qRgb(255,255,255));
|
|
|
|
if (format == QImage::Format_Indexed8) {
|
|
original.setColorCount(256);
|
|
for (int i = 0; i < 255; ++i)
|
|
original.setColor(i, qRgb(0, i, i));
|
|
}
|
|
|
|
if (original.colorTable().isEmpty()) {
|
|
for (int x = 0; x < w; ++x) {
|
|
original.setPixel(x,0, qRgb(x,0,128));
|
|
original.setPixel(x,h - 1, qRgb(0,255 - x,128));
|
|
}
|
|
for (int y = 0; y < h; ++y) {
|
|
original.setPixel(0, y, qRgb(y,0,255));
|
|
original.setPixel(w - 1, y, qRgb(0,255 - y,255));
|
|
}
|
|
} else {
|
|
const int n = original.colorTable().size();
|
|
for (int x = 0; x < w; ++x) {
|
|
original.setPixel(x, 0, x % n);
|
|
original.setPixel(x, h - 1, n - (x % n) - 1);
|
|
}
|
|
for (int y = 0; y < h; ++y) {
|
|
original.setPixel(0, y, y % n);
|
|
original.setPixel(w - 1, y, n - (y % n) - 1);
|
|
}
|
|
}
|
|
|
|
// original.save("rotated90_original.png", "png");
|
|
|
|
// Initialize the matrix manually (do not use rotate) to avoid rounding errors
|
|
QMatrix matRotate90;
|
|
matRotate90.rotate(degrees);
|
|
QImage dest = original;
|
|
// And rotate it 4 times, then the image should be identical to the original
|
|
for (int i = 0; i < 4 ; ++i) {
|
|
dest = dest.transformed(matRotate90);
|
|
}
|
|
|
|
// Make sure they are similar in format before we compare them.
|
|
dest = dest.convertToFormat(format);
|
|
|
|
// dest.save("rotated90_result.png","png");
|
|
QCOMPARE(original, dest);
|
|
|
|
// Test with QMatrix::rotate 90 also, since we trust that now
|
|
matRotate90.rotate(degrees);
|
|
dest = original;
|
|
// And rotate it 4 times, then the image should be identical to the original
|
|
for (int i = 0; i < 4 ; ++i) {
|
|
dest = dest.transformed(matRotate90);
|
|
}
|
|
|
|
// Make sure they are similar in format before we compare them.
|
|
dest = dest.convertToFormat(format);
|
|
|
|
QCOMPARE(original, dest);
|
|
}
|
|
|
|
void tst_QImage::copy()
|
|
{
|
|
// Task 99250
|
|
{
|
|
QImage img(16,16,QImage::Format_ARGB32);
|
|
img.copy(QRect(1000,1,1,1));
|
|
}
|
|
}
|
|
|
|
void tst_QImage::load()
|
|
{
|
|
const QString prefix = QFINDTESTDATA("images/");
|
|
if (prefix.isEmpty())
|
|
QFAIL("can not find images directory!");
|
|
const QString filePath = prefix + QLatin1String("image.jpg");
|
|
|
|
QImage dest(filePath);
|
|
QVERIFY(!dest.isNull());
|
|
QVERIFY(!dest.load("image_that_does_not_exist.png"));
|
|
QVERIFY(dest.isNull());
|
|
QVERIFY(dest.load(filePath));
|
|
QVERIFY(!dest.isNull());
|
|
}
|
|
|
|
void tst_QImage::loadFromData()
|
|
{
|
|
const QString prefix = QFINDTESTDATA("images/");
|
|
if (prefix.isEmpty())
|
|
QFAIL("can not find images directory!");
|
|
const QString filePath = prefix + QLatin1String("image.jpg");
|
|
|
|
QImage original(filePath);
|
|
QVERIFY(!original.isNull());
|
|
|
|
QByteArray ba;
|
|
{
|
|
QBuffer buf(&ba);
|
|
QVERIFY(buf.open(QIODevice::WriteOnly));
|
|
QVERIFY(original.save(&buf, "BMP"));
|
|
}
|
|
QVERIFY(!ba.isEmpty());
|
|
|
|
QImage dest;
|
|
QVERIFY(dest.loadFromData(ba, "BMP"));
|
|
QVERIFY(!dest.isNull());
|
|
|
|
QCOMPARE(original, dest);
|
|
|
|
QVERIFY(!dest.loadFromData(QByteArray()));
|
|
QVERIFY(dest.isNull());
|
|
}
|
|
|
|
#if !defined(QT_NO_DATASTREAM)
|
|
void tst_QImage::loadFromDataStream()
|
|
{
|
|
const QString prefix = QFINDTESTDATA("images/");
|
|
if (prefix.isEmpty())
|
|
QFAIL("can not find images directory!");
|
|
const QString filePath = prefix + QLatin1String("image.jpg");
|
|
|
|
QImage original(filePath);
|
|
QVERIFY(!original.isNull());
|
|
|
|
QByteArray ba;
|
|
{
|
|
QDataStream s(&ba, QIODevice::WriteOnly);
|
|
s << original;
|
|
}
|
|
QVERIFY(!ba.isEmpty());
|
|
|
|
QImage dest;
|
|
{
|
|
QDataStream s(&ba, QIODevice::ReadOnly);
|
|
s >> dest;
|
|
}
|
|
QVERIFY(!dest.isNull());
|
|
|
|
QCOMPARE(original, dest);
|
|
|
|
{
|
|
ba.clear();
|
|
QDataStream s(&ba, QIODevice::ReadOnly);
|
|
s >> dest;
|
|
}
|
|
QVERIFY(dest.isNull());
|
|
}
|
|
#endif // QT_NO_DATASTREAM
|
|
|
|
void tst_QImage::setPixel_data()
|
|
{
|
|
QTest::addColumn<int>("format");
|
|
QTest::addColumn<uint>("value");
|
|
QTest::addColumn<uint>("expected");
|
|
|
|
QTest::newRow("ARGB32 red") << int(QImage::Format_ARGB32)
|
|
<< 0xffff0000 << 0xffff0000;
|
|
QTest::newRow("ARGB32 green") << int(QImage::Format_ARGB32)
|
|
<< 0xff00ff00 << 0xff00ff00;
|
|
QTest::newRow("ARGB32 blue") << int(QImage::Format_ARGB32)
|
|
<< 0xff0000ff << 0xff0000ff;
|
|
QTest::newRow("RGB16 red") << int(QImage::Format_RGB16)
|
|
<< 0xffff0000 << 0xf800u;
|
|
QTest::newRow("RGB16 green") << int(QImage::Format_RGB16)
|
|
<< 0xff00ff00 << 0x07e0u;
|
|
QTest::newRow("RGB16 blue") << int(QImage::Format_RGB16)
|
|
<< 0xff0000ff << 0x001fu;
|
|
QTest::newRow("ARGB8565_Premultiplied red") << int(QImage::Format_ARGB8565_Premultiplied)
|
|
<< 0xffff0000 << 0xf800ffu;
|
|
QTest::newRow("ARGB8565_Premultiplied green") << int(QImage::Format_ARGB8565_Premultiplied)
|
|
<< 0xff00ff00 << 0x07e0ffu;
|
|
QTest::newRow("ARGB8565_Premultiplied blue") << int(QImage::Format_ARGB8565_Premultiplied)
|
|
<< 0xff0000ff << 0x001fffu;
|
|
QTest::newRow("RGB666 red") << int(QImage::Format_RGB666)
|
|
<< 0xffff0000 << 0x03f000u;
|
|
QTest::newRow("RGB666 green") << int(QImage::Format_RGB666)
|
|
<< 0xff00ff00 << 0x000fc0u;
|
|
QTest::newRow("RGB666 blue") << int(QImage::Format_RGB666)
|
|
<< 0xff0000ff << 0x00003fu;
|
|
QTest::newRow("RGB555 red") << int(QImage::Format_RGB555)
|
|
<< 0xffff0000 << 0x7c00u;
|
|
QTest::newRow("RGB555 green") << int(QImage::Format_RGB555)
|
|
<< 0xff00ff00 << 0x03e0u;
|
|
QTest::newRow("RGB555 blue") << int(QImage::Format_RGB555)
|
|
<< 0xff0000ff << 0x001fu;
|
|
QTest::newRow("ARGB8555_Premultiplied red") << int(QImage::Format_ARGB8555_Premultiplied)
|
|
<< 0xffff0000 << 0x7c00ffu;
|
|
QTest::newRow("ARGB8555_Premultiplied green") << int(QImage::Format_ARGB8555_Premultiplied)
|
|
<< 0xff00ff00 << 0x03e0ffu;
|
|
QTest::newRow("ARGB8555_Premultiplied blue") << int(QImage::Format_ARGB8555_Premultiplied)
|
|
<< 0xff0000ff << 0x001fffu;
|
|
QTest::newRow("RGB888 red") << int(QImage::Format_RGB888)
|
|
<< 0xffff0000 << 0xff0000u;
|
|
QTest::newRow("RGB888 green") << int(QImage::Format_RGB888)
|
|
<< 0xff00ff00 << 0x00ff00u;
|
|
QTest::newRow("RGB888 blue") << int(QImage::Format_RGB888)
|
|
<< 0xff0000ff << 0x0000ffu;
|
|
}
|
|
|
|
void tst_QImage::setPixel()
|
|
{
|
|
QFETCH(int, format);
|
|
QFETCH(uint, value);
|
|
QFETCH(uint, expected);
|
|
|
|
const int w = 13;
|
|
const int h = 15;
|
|
|
|
QImage img(w, h, QImage::Format(format));
|
|
|
|
// fill image
|
|
for (int y = 0; y < h; ++y)
|
|
for (int x = 0; x < w; ++x)
|
|
img.setPixel(x, y, value);
|
|
|
|
// check pixel values
|
|
switch (format) {
|
|
case int(QImage::Format_RGB32):
|
|
case int(QImage::Format_ARGB32):
|
|
case int(QImage::Format_ARGB32_Premultiplied):
|
|
{
|
|
for (int y = 0; y < h; ++y) {
|
|
const quint32 *row = (const quint32*)(img.scanLine(y));
|
|
for (int x = 0; x < w; ++x) {
|
|
quint32 result = row[x];
|
|
if (result != expected)
|
|
printf("[x,y]: %d,%d, expected=%08x, result=%08x\n",
|
|
x, y, expected, result);
|
|
QCOMPARE(uint(result), expected);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case int(QImage::Format_RGB555):
|
|
case int(QImage::Format_RGB16):
|
|
{
|
|
for (int y = 0; y < h; ++y) {
|
|
const quint16 *row = (const quint16*)(img.scanLine(y));
|
|
for (int x = 0; x < w; ++x) {
|
|
quint16 result = row[x];
|
|
if (result != expected)
|
|
printf("[x,y]: %d,%d, expected=%04x, result=%04x\n",
|
|
x, y, expected, result);
|
|
QCOMPARE(uint(result), expected);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case int(QImage::Format_RGB666):
|
|
case int(QImage::Format_ARGB8565_Premultiplied):
|
|
case int(QImage::Format_ARGB8555_Premultiplied):
|
|
case int(QImage::Format_RGB888):
|
|
{
|
|
for (int y = 0; y < h; ++y) {
|
|
const quint24 *row = (const quint24*)(img.scanLine(y));
|
|
for (int x = 0; x < w; ++x) {
|
|
quint32 result = row[x];
|
|
if (result != expected)
|
|
printf("[x,y]: %d,%d, expected=%04x, result=%04x\n",
|
|
x, y, expected, result);
|
|
QCOMPARE(result, expected);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
qFatal("Test not implemented for format %d", format);
|
|
}
|
|
}
|
|
|
|
void tst_QImage::convertToFormatPreserveDotsPrMeter()
|
|
{
|
|
QImage img(100, 100, QImage::Format_ARGB32_Premultiplied);
|
|
|
|
int dpmx = 123;
|
|
int dpmy = 234;
|
|
img.setDotsPerMeterX(dpmx);
|
|
img.setDotsPerMeterY(dpmy);
|
|
img.fill(0x12345678);
|
|
|
|
img = img.convertToFormat(QImage::Format_RGB32);
|
|
|
|
QCOMPARE(img.dotsPerMeterX(), dpmx);
|
|
QCOMPARE(img.dotsPerMeterY(), dpmy);
|
|
}
|
|
|
|
void tst_QImage::convertToFormatPreserveText()
|
|
{
|
|
QImage img(100, 100, QImage::Format_ARGB32_Premultiplied);
|
|
|
|
img.setText("foo", "bar");
|
|
img.setText("foo2", "bar2");
|
|
img.fill(0x12345678);
|
|
|
|
QStringList listResult;
|
|
listResult << "foo" << "foo2";
|
|
QString result = "foo: bar\n\nfoo2: bar2";
|
|
|
|
QImage imgResult1 = img.convertToFormat(QImage::Format_RGB32);
|
|
QCOMPARE(imgResult1.text(), result);
|
|
QCOMPARE(imgResult1.textKeys(), listResult);
|
|
|
|
QVector<QRgb> colorTable(4);
|
|
for (int i = 0; i < 4; ++i)
|
|
colorTable[i] = QRgb(42);
|
|
QImage imgResult2 = img.convertToFormat(QImage::Format_MonoLSB,
|
|
colorTable);
|
|
QCOMPARE(imgResult2.text(), result);
|
|
QCOMPARE(imgResult2.textKeys(), listResult);
|
|
}
|
|
|
|
void tst_QImage::setColorCount()
|
|
{
|
|
QImage img(0, 0, QImage::Format_Indexed8);
|
|
QTest::ignoreMessage(QtWarningMsg, "QImage::setColorCount: null image");
|
|
img.setColorCount(256);
|
|
QCOMPARE(img.colorCount(), 0);
|
|
}
|
|
|
|
void tst_QImage::setColor()
|
|
{
|
|
QImage img(0, 0, QImage::Format_Indexed8);
|
|
img.setColor(0, qRgba(18, 219, 108, 128));
|
|
QCOMPARE(img.colorCount(), 0);
|
|
|
|
QImage img2(1, 1, QImage::Format_Indexed8);
|
|
img2.setColor(0, qRgba(18, 219, 108, 128));
|
|
QCOMPARE(img2.colorCount(), 1);
|
|
}
|
|
|
|
/* Just some sanity checking that we don't draw outside the buffer of
|
|
* the image. Hopefully this will create crashes or at least some
|
|
* random test fails when broken.
|
|
*/
|
|
void tst_QImage::rasterClipping()
|
|
{
|
|
QImage image(10, 10, QImage::Format_RGB32);
|
|
image.fill(0xffffffff);
|
|
|
|
QPainter p(&image);
|
|
|
|
p.drawLine(-1000, 5, 5, 5);
|
|
p.drawLine(-1000, 5, 1000, 5);
|
|
p.drawLine(5, 5, 1000, 5);
|
|
|
|
p.drawLine(5, -1000, 5, 5);
|
|
p.drawLine(5, -1000, 5, 1000);
|
|
p.drawLine(5, 5, 5, 1000);
|
|
|
|
p.setBrush(Qt::red);
|
|
|
|
p.drawEllipse(3, 3, 4, 4);
|
|
p.drawEllipse(-100, -100, 210, 210);
|
|
|
|
p.drawEllipse(-1000, 0, 2010, 2010);
|
|
p.drawEllipse(0, -1000, 2010, 2010);
|
|
p.drawEllipse(-2010, -1000, 2010, 2010);
|
|
p.drawEllipse(-1000, -2010, 2010, 2010);
|
|
QVERIFY(true);
|
|
}
|
|
|
|
// Tests the new QPoint overloads in QImage in Qt 4.2
|
|
void tst_QImage::pointOverloads()
|
|
{
|
|
QImage image(100, 100, QImage::Format_RGB32);
|
|
image.fill(0xff00ff00);
|
|
|
|
// IsValid
|
|
QVERIFY(image.valid(QPoint(0, 0)));
|
|
QVERIFY(image.valid(QPoint(99, 0)));
|
|
QVERIFY(image.valid(QPoint(0, 99)));
|
|
QVERIFY(image.valid(QPoint(99, 99)));
|
|
|
|
QVERIFY(!image.valid(QPoint(50, -1))); // outside on the top
|
|
QVERIFY(!image.valid(QPoint(50, 100))); // outside on the bottom
|
|
QVERIFY(!image.valid(QPoint(-1, 50))); // outside on the left
|
|
QVERIFY(!image.valid(QPoint(100, 50))); // outside on the right
|
|
|
|
// Test the pixel setter
|
|
image.setPixel(QPoint(10, 10), 0xff0000ff);
|
|
QCOMPARE(image.pixel(10, 10), 0xff0000ff);
|
|
|
|
// pixel getter
|
|
QCOMPARE(image.pixel(QPoint(10, 10)), 0xff0000ff);
|
|
|
|
// pixelIndex()
|
|
QImage indexed = image.convertToFormat(QImage::Format_Indexed8);
|
|
QCOMPARE(indexed.pixelIndex(10, 10), indexed.pixelIndex(QPoint(10, 10)));
|
|
}
|
|
|
|
void tst_QImage::destructor()
|
|
{
|
|
QPolygon poly(6);
|
|
poly.setPoint(0,-1455, 1435);
|
|
|
|
QImage image(100, 100, QImage::Format_RGB32);
|
|
QPainter ptPix(&image);
|
|
ptPix.setPen(Qt::black);
|
|
ptPix.setBrush(Qt::black);
|
|
ptPix.drawPolygon(poly, Qt::WindingFill);
|
|
ptPix.end();
|
|
|
|
}
|
|
|
|
|
|
/* XPM */
|
|
static const char *monoPixmap[] = {
|
|
/* width height ncolors chars_per_pixel */
|
|
"4 4 2 1",
|
|
"x c #000000",
|
|
". c #ffffff",
|
|
/* pixels */
|
|
"xxxx",
|
|
"x..x",
|
|
"x..x",
|
|
"xxxx"
|
|
};
|
|
|
|
|
|
#ifndef QT_NO_IMAGE_HEURISTIC_MASK
|
|
void tst_QImage::createHeuristicMask()
|
|
{
|
|
QImage img(monoPixmap);
|
|
img = img.convertToFormat(QImage::Format_MonoLSB);
|
|
QImage mask = img.createHeuristicMask();
|
|
QImage newMask = mask.convertToFormat(QImage::Format_ARGB32_Premultiplied);
|
|
|
|
// line 2
|
|
QVERIFY(newMask.pixel(0,1) != newMask.pixel(1,1));
|
|
QVERIFY(newMask.pixel(1,1) == newMask.pixel(2,1));
|
|
QVERIFY(newMask.pixel(2,1) != newMask.pixel(3,1));
|
|
|
|
// line 3
|
|
QVERIFY(newMask.pixel(0,2) != newMask.pixel(1,2));
|
|
QVERIFY(newMask.pixel(1,2) == newMask.pixel(2,2));
|
|
QVERIFY(newMask.pixel(2,2) != newMask.pixel(3,2));
|
|
}
|
|
#endif
|
|
|
|
void tst_QImage::cacheKey()
|
|
{
|
|
QImage image1(2, 2, QImage::Format_RGB32);
|
|
qint64 image1_key = image1.cacheKey();
|
|
QImage image2 = image1;
|
|
|
|
QVERIFY(image2.cacheKey() == image1.cacheKey());
|
|
image2.detach();
|
|
QVERIFY(image2.cacheKey() != image1.cacheKey());
|
|
QVERIFY(image1.cacheKey() == image1_key);
|
|
}
|
|
|
|
void tst_QImage::smoothScale()
|
|
{
|
|
unsigned int data[2] = { qRgba(0, 0, 0, 0), qRgba(128, 128, 128, 128) };
|
|
|
|
QImage imgX((unsigned char *)data, 2, 1, QImage::Format_ARGB32_Premultiplied);
|
|
QImage imgY((unsigned char *)data, 1, 2, QImage::Format_ARGB32_Premultiplied);
|
|
|
|
QImage scaledX = imgX.scaled(QSize(4, 1), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
QImage scaledY = imgY.scaled(QSize(1, 4), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
|
|
uint *scaled[2] = {
|
|
(unsigned int *)scaledX.bits(),
|
|
(unsigned int *)scaledY.bits()
|
|
};
|
|
|
|
int expected[4] = { 0, 32, 96, 128 };
|
|
for (int image = 0; image < 2; ++image) {
|
|
for (int index = 0; index < 4; ++index) {
|
|
for (int component = 0; component < 4; ++component) {
|
|
int pixel = scaled[image][index];
|
|
int val = (pixel >> (component * 8)) & 0xff;
|
|
|
|
QCOMPARE(val, expected[index]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// test area sampling
|
|
void tst_QImage::smoothScale2()
|
|
{
|
|
int sizes[] = { 2, 4, 8, 10, 16, 20, 32, 40, 64, 100, 101, 128, 0 };
|
|
QImage::Format formats[] = { QImage::Format_ARGB32, QImage::Format_RGB32, QImage::Format_Invalid };
|
|
for (int i = 0; sizes[i] != 0; ++i) {
|
|
for (int j = 0; formats[j] != QImage::Format_Invalid; ++j) {
|
|
int size = sizes[i];
|
|
|
|
QRgb expected = formats[j] == QImage::Format_ARGB32 ? qRgba(63, 127, 255, 255) : qRgb(63, 127, 255);
|
|
|
|
QImage img(size, size, formats[j]);
|
|
img.fill(expected);
|
|
|
|
// scale x down, y down
|
|
QImage scaled = img.scaled(QSize(1, 1), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
QRgb pixel = scaled.pixel(0, 0);
|
|
QCOMPARE(qAlpha(pixel), qAlpha(expected));
|
|
QCOMPARE(qRed(pixel), qRed(expected));
|
|
QCOMPARE(qGreen(pixel), qGreen(expected));
|
|
QCOMPARE(qBlue(pixel), qBlue(expected));
|
|
|
|
// scale x down, y up
|
|
scaled = img.scaled(QSize(1, size * 2), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
for (int y = 0; y < scaled.height(); ++y) {
|
|
pixel = scaled.pixel(0, y);
|
|
QCOMPARE(qAlpha(pixel), qAlpha(expected));
|
|
QCOMPARE(qRed(pixel), qRed(expected));
|
|
QCOMPARE(qGreen(pixel), qGreen(expected));
|
|
QCOMPARE(qBlue(pixel), qBlue(expected));
|
|
}
|
|
|
|
// scale x up, y down
|
|
scaled = img.scaled(QSize(size * 2, 1), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
for (int x = 0; x < scaled.width(); ++x) {
|
|
pixel = scaled.pixel(x, 0);
|
|
QCOMPARE(qAlpha(pixel), qAlpha(expected));
|
|
QCOMPARE(qRed(pixel), qRed(expected));
|
|
QCOMPARE(qGreen(pixel), qGreen(expected));
|
|
QCOMPARE(qBlue(pixel), qBlue(expected));
|
|
}
|
|
|
|
// scale x up, y up
|
|
scaled = img.scaled(QSize(size * 2, size * 2), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
for (int y = 0; y < scaled.height(); ++y) {
|
|
for (int x = 0; x < scaled.width(); ++x) {
|
|
pixel = scaled.pixel(x, y);
|
|
QCOMPARE(qAlpha(pixel), qAlpha(expected));
|
|
QCOMPARE(qRed(pixel), qRed(expected));
|
|
QCOMPARE(qGreen(pixel), qGreen(expected));
|
|
QCOMPARE(qBlue(pixel), qBlue(expected));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline int rand8()
|
|
{
|
|
return int(256. * (qrand() / (RAND_MAX + 1.0)));
|
|
}
|
|
|
|
// compares img.scale against the bilinear filtering used by QPainter
|
|
void tst_QImage::smoothScale3()
|
|
{
|
|
QImage img(128, 128, QImage::Format_RGB32);
|
|
for (int y = 0; y < img.height(); ++y) {
|
|
for (int x = 0; x < img.width(); ++x) {
|
|
const int red = rand8();
|
|
const int green = rand8();
|
|
const int blue = rand8();
|
|
const int alpha = 255;
|
|
|
|
img.setPixel(x, y, qRgba(red, green, blue, alpha));
|
|
}
|
|
}
|
|
|
|
qreal scales[2] = { .5, 2 };
|
|
|
|
for (int i = 0; i < 2; ++i) {
|
|
QImage a = img.scaled(img.size() * scales[i], Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
QImage b(a.size(), a.format());
|
|
b.fill(0x0);
|
|
|
|
QPainter p(&b);
|
|
p.setRenderHint(QPainter::SmoothPixmapTransform);
|
|
p.scale(scales[i], scales[i]);
|
|
p.drawImage(0, 0, img);
|
|
p.end();
|
|
int err = 0;
|
|
|
|
for (int y = 0; y < a.height(); ++y) {
|
|
for (int x = 0; x < a.width(); ++x) {
|
|
QRgb ca = a.pixel(x, y);
|
|
QRgb cb = b.pixel(x, y);
|
|
|
|
// tolerate a little bit of rounding errors
|
|
bool r = true;
|
|
r &= qAbs(qRed(ca) - qRed(cb)) <= 18;
|
|
r &= qAbs(qGreen(ca) - qGreen(cb)) <= 18;
|
|
r &= qAbs(qBlue(ca) - qBlue(cb)) <= 18;
|
|
if (!r)
|
|
err++;
|
|
}
|
|
}
|
|
QCOMPARE(err, 0);
|
|
}
|
|
}
|
|
|
|
void tst_QImage::smoothScaleBig()
|
|
{
|
|
#if defined(Q_OS_WINCE)
|
|
int bigValue = 2000;
|
|
#else
|
|
int bigValue = 200000;
|
|
#endif
|
|
QImage tall(4, bigValue, QImage::Format_ARGB32);
|
|
tall.fill(0x0);
|
|
|
|
QImage wide(bigValue, 4, QImage::Format_ARGB32);
|
|
wide.fill(0x0);
|
|
|
|
QImage tallScaled = tall.scaled(4, tall.height() / 4, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
QImage wideScaled = wide.scaled(wide.width() / 4, 4, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
|
|
QCOMPARE(tallScaled.pixel(0, 0), QRgb(0x0));
|
|
QCOMPARE(wideScaled.pixel(0, 0), QRgb(0x0));
|
|
}
|
|
|
|
void tst_QImage::smoothScaleAlpha()
|
|
{
|
|
QImage src(128, 128, QImage::Format_ARGB32_Premultiplied);
|
|
src.fill(0x0);
|
|
|
|
QPainter srcPainter(&src);
|
|
srcPainter.setPen(Qt::NoPen);
|
|
srcPainter.setBrush(Qt::white);
|
|
srcPainter.drawEllipse(QRect(QPoint(), src.size()));
|
|
srcPainter.end();
|
|
|
|
QImage dst(32, 32, QImage::Format_ARGB32_Premultiplied);
|
|
dst.fill(0xffffffff);
|
|
QImage expected = dst;
|
|
|
|
QPainter dstPainter(&dst);
|
|
dstPainter.drawImage(0, 0, src.scaled(dst.size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
|
|
dstPainter.end();
|
|
|
|
QCOMPARE(dst, expected);
|
|
}
|
|
|
|
static int count(const QImage &img, int x, int y, int dx, int dy, QRgb pixel)
|
|
{
|
|
int i = 0;
|
|
while (x >= 0 && x < img.width() && y >= 0 && y < img.height()) {
|
|
i += (img.pixel(x, y) == pixel);
|
|
x += dx;
|
|
y += dy;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
const int transformed_image_width = 128;
|
|
const int transformed_image_height = 128;
|
|
|
|
void tst_QImage::transformed_data()
|
|
{
|
|
QTest::addColumn<QTransform>("transform");
|
|
|
|
{
|
|
QTransform transform;
|
|
transform.translate(10.4, 10.4);
|
|
QTest::newRow("Translate") << transform;
|
|
}
|
|
{
|
|
QTransform transform;
|
|
transform.scale(1.5, 1.5);
|
|
QTest::newRow("Scale") << transform;
|
|
}
|
|
{
|
|
QTransform transform;
|
|
transform.rotate(30);
|
|
QTest::newRow("Rotate 30") << transform;
|
|
}
|
|
{
|
|
QTransform transform;
|
|
transform.rotate(90);
|
|
QTest::newRow("Rotate 90") << transform;
|
|
}
|
|
{
|
|
QTransform transform;
|
|
transform.rotate(180);
|
|
QTest::newRow("Rotate 180") << transform;
|
|
}
|
|
{
|
|
QTransform transform;
|
|
transform.rotate(270);
|
|
QTest::newRow("Rotate 270") << transform;
|
|
}
|
|
{
|
|
QTransform transform;
|
|
transform.translate(transformed_image_width/2, transformed_image_height/2);
|
|
transform.rotate(155, Qt::XAxis);
|
|
transform.translate(-transformed_image_width/2, -transformed_image_height/2);
|
|
QTest::newRow("Perspective 1") << transform;
|
|
}
|
|
{
|
|
QTransform transform;
|
|
transform.rotate(155, Qt::XAxis);
|
|
transform.translate(-transformed_image_width/2, -transformed_image_height/2);
|
|
QTest::newRow("Perspective 2") << transform;
|
|
}
|
|
}
|
|
|
|
void tst_QImage::transformed()
|
|
{
|
|
QFETCH(QTransform, transform);
|
|
|
|
QImage img(transformed_image_width, transformed_image_height, QImage::Format_ARGB32_Premultiplied);
|
|
QPainter p(&img);
|
|
p.fillRect(0, 0, img.width(), img.height(), Qt::red);
|
|
p.drawRect(0, 0, img.width()-1, img.height()-1);
|
|
p.end();
|
|
|
|
QImage transformed = img.transformed(transform, Qt::SmoothTransformation);
|
|
|
|
// all borders should have touched pixels
|
|
|
|
QVERIFY(count(transformed, 0, 0, 1, 0, 0x0) < transformed.width());
|
|
QVERIFY(count(transformed, 0, 0, 0, 1, 0x0) < transformed.height());
|
|
|
|
QVERIFY(count(transformed, 0, img.height() - 1, 1, 0, 0x0) < transformed.width());
|
|
QVERIFY(count(transformed, img.width() - 1, 0, 0, 1, 0x0) < transformed.height());
|
|
|
|
QImage transformedPadded(transformed.width() + 2, transformed.height() + 2, img.format());
|
|
transformedPadded.fill(0x0);
|
|
|
|
p.begin(&transformedPadded);
|
|
p.setRenderHint(QPainter::SmoothPixmapTransform);
|
|
p.setRenderHint(QPainter::Antialiasing);
|
|
p.setTransform(transformed.trueMatrix(transform, img.width(), img.height()) * QTransform().translate(1, 1));
|
|
p.drawImage(0, 0, img);
|
|
p.end();
|
|
|
|
// no borders should have touched pixels since we have a one-pixel padding
|
|
|
|
QCOMPARE(count(transformedPadded, 0, 0, 1, 0, 0x0), transformedPadded.width());
|
|
QCOMPARE(count(transformedPadded, 0, 0, 0, 1, 0x0), transformedPadded.height());
|
|
|
|
QCOMPARE(count(transformedPadded, 0, transformedPadded.height() - 1, 1, 0, 0x0), transformedPadded.width());
|
|
QCOMPARE(count(transformedPadded, transformedPadded.width() - 1, 0, 0, 1, 0x0), transformedPadded.height());
|
|
}
|
|
|
|
void tst_QImage::transformed2()
|
|
{
|
|
QImage img(3, 3, QImage::Format_Mono);
|
|
QPainter p(&img);
|
|
p.fillRect(0, 0, 3, 3, Qt::white);
|
|
p.fillRect(0, 0, 3, 3, Qt::Dense4Pattern);
|
|
p.end();
|
|
|
|
QTransform transform;
|
|
transform.scale(3, 3);
|
|
|
|
QImage expected(9, 9, QImage::Format_Mono);
|
|
p.begin(&expected);
|
|
p.fillRect(0, 0, 9, 9, Qt::white);
|
|
p.setBrush(Qt::black);
|
|
p.setPen(Qt::NoPen);
|
|
p.drawRect(3, 0, 3, 3);
|
|
p.drawRect(0, 3, 3, 3);
|
|
p.drawRect(6, 3, 3, 3);
|
|
p.drawRect(3, 6, 3, 3);
|
|
p.end();
|
|
|
|
{
|
|
QImage actual = img.transformed(transform);
|
|
|
|
QCOMPARE(actual.format(), expected.format());
|
|
QCOMPARE(actual.size(), expected.size());
|
|
QCOMPARE(actual, expected);
|
|
}
|
|
|
|
{
|
|
transform.rotate(-90);
|
|
QImage actual = img.transformed(transform);
|
|
|
|
QCOMPARE(actual.convertToFormat(QImage::Format_ARGB32_Premultiplied),
|
|
expected.convertToFormat(QImage::Format_ARGB32_Premultiplied));
|
|
}
|
|
}
|
|
|
|
void tst_QImage::scaled()
|
|
{
|
|
QImage img(102, 3, QImage::Format_Mono);
|
|
QPainter p(&img);
|
|
p.fillRect(0, 0, img.width(), img.height(), Qt::white);
|
|
p.end();
|
|
|
|
QImage scaled = img.scaled(1994, 10);
|
|
|
|
QImage expected(1994, 10, QImage::Format_Mono);
|
|
p.begin(&expected);
|
|
p.fillRect(0, 0, expected.width(), expected.height(), Qt::white);
|
|
p.end();
|
|
|
|
QCOMPARE(scaled, expected);
|
|
}
|
|
|
|
void tst_QImage::paintEngine()
|
|
{
|
|
QImage img;
|
|
|
|
QPaintEngine *engine;
|
|
{
|
|
QImage temp(100, 100, QImage::Format_RGB32);
|
|
temp.fill(0xff000000);
|
|
|
|
QPainter p(&temp);
|
|
p.fillRect(80,80,10,10,Qt::blue);
|
|
p.end();
|
|
|
|
img = temp;
|
|
|
|
engine = temp.paintEngine();
|
|
}
|
|
|
|
{
|
|
QPainter p(&img);
|
|
|
|
p.fillRect(80,10,10,10,Qt::yellow);
|
|
p.end();
|
|
}
|
|
|
|
QImage expected(100, 100, QImage::Format_RGB32);
|
|
expected.fill(0xff000000);
|
|
|
|
QPainter p(&expected);
|
|
p.fillRect(80,80,10,10,Qt::blue);
|
|
p.fillRect(80,10,10,10,Qt::yellow);
|
|
p.end();
|
|
|
|
QCOMPARE(engine, img.paintEngine());
|
|
QCOMPARE(img, expected);
|
|
}
|
|
|
|
void tst_QImage::setAlphaChannelWhilePainting()
|
|
{
|
|
QImage image(100, 100, QImage::Format_ARGB32);
|
|
image.fill(Qt::black);
|
|
QPainter p(&image);
|
|
|
|
image.setAlphaChannel(image.createMaskFromColor(QColor(Qt::black).rgb(), Qt::MaskInColor));
|
|
}
|
|
|
|
|
|
// See task 240047 for details
|
|
void tst_QImage::smoothScaledSubImage()
|
|
{
|
|
QImage original(128, 128, QImage::Format_RGB32);
|
|
QPainter p(&original);
|
|
p.fillRect(0, 0, 64, 128, Qt::black);
|
|
p.fillRect(64, 0, 64, 128, Qt::white);
|
|
p.end();
|
|
|
|
QImage subimage(((const QImage &) original).bits(), 32, 32, original.bytesPerLine(), QImage::Format_RGB32); // only in the black part of the source...
|
|
|
|
QImage scaled = subimage.scaled(8, 8, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
|
|
for (int y=0; y<scaled.height(); ++y)
|
|
for (int x=0; x<scaled.width(); ++x)
|
|
QCOMPARE(scaled.pixel(x, y), 0xff000000);
|
|
}
|
|
|
|
void tst_QImage::nullSize_data()
|
|
{
|
|
QTest::addColumn<QImage>("image");
|
|
QTest::newRow("null image") << QImage();
|
|
QTest::newRow("zero-size image") << QImage(0, 0, QImage::Format_RGB32);
|
|
}
|
|
|
|
void tst_QImage::nullSize()
|
|
{
|
|
QFETCH(QImage, image);
|
|
QCOMPARE(image.isNull(), true);
|
|
QCOMPARE(image.width(), image.size().width());
|
|
QCOMPARE(image.height(), image.size().height());
|
|
}
|
|
|
|
void tst_QImage::premultipliedAlphaConsistency()
|
|
{
|
|
QImage img(256, 1, QImage::Format_ARGB32);
|
|
for (int x = 0; x < 256; ++x)
|
|
img.setPixel(x, 0, (x << 24) | 0xffffff);
|
|
|
|
QImage converted = img.convertToFormat(QImage::Format_ARGB8565_Premultiplied);
|
|
QImage pm32 = converted.convertToFormat(QImage::Format_ARGB32_Premultiplied);
|
|
|
|
for (int i = 0; i < pm32.width(); ++i) {
|
|
QRgb pixel = pm32.pixel(i, 0);
|
|
QVERIFY(qRed(pixel) <= qAlpha(pixel));
|
|
QVERIFY(qGreen(pixel) <= qAlpha(pixel));
|
|
QVERIFY(qBlue(pixel) <= qAlpha(pixel));
|
|
}
|
|
}
|
|
|
|
void tst_QImage::compareIndexed()
|
|
{
|
|
QImage img(256, 1, QImage::Format_Indexed8);
|
|
|
|
QVector<QRgb> colorTable(256);
|
|
for (int i = 0; i < 256; ++i)
|
|
colorTable[i] = qRgb(i, i, i);
|
|
img.setColorTable(colorTable);
|
|
|
|
for (int i = 0; i < 256; ++i) {
|
|
img.setPixel(i, 0, i);
|
|
}
|
|
|
|
QImage imgInverted(256, 1, QImage::Format_Indexed8);
|
|
QVector<QRgb> invertedColorTable(256);
|
|
for (int i = 0; i < 256; ++i)
|
|
invertedColorTable[255-i] = qRgb(i, i, i);
|
|
imgInverted.setColorTable(invertedColorTable);
|
|
|
|
for (int i = 0; i < 256; ++i) {
|
|
imgInverted.setPixel(i, 0, (255-i));
|
|
}
|
|
|
|
QCOMPARE(img, imgInverted);
|
|
}
|
|
|
|
void tst_QImage::fillColor_data()
|
|
{
|
|
QTest::addColumn<QImage::Format>("format");
|
|
QTest::addColumn<Qt::GlobalColor>("color");
|
|
QTest::addColumn<uint>("pixelValue");
|
|
|
|
QTest::newRow("Mono, color0") << QImage::Format_Mono << Qt::color0 << 0u;
|
|
QTest::newRow("Mono, color1") << QImage::Format_Mono << Qt::color1 << 1u;
|
|
|
|
QTest::newRow("MonoLSB, color0") << QImage::Format_MonoLSB << Qt::color0 << 0u;
|
|
QTest::newRow("MonoLSB, color1") << QImage::Format_MonoLSB << Qt::color1 << 1u;
|
|
|
|
const char *names[] = {
|
|
"Indexed8",
|
|
"RGB32",
|
|
"ARGB32",
|
|
"ARGB32pm",
|
|
"RGB16",
|
|
"ARGB8565pm",
|
|
"RGB666",
|
|
"ARGB6666pm",
|
|
"RGB555",
|
|
"ARGB8555pm",
|
|
"RGB888",
|
|
"RGB444",
|
|
"ARGB4444pm",
|
|
0
|
|
};
|
|
|
|
QImage::Format formats[] = {
|
|
QImage::Format_Indexed8,
|
|
QImage::Format_RGB32,
|
|
QImage::Format_ARGB32,
|
|
QImage::Format_ARGB32_Premultiplied,
|
|
QImage::Format_RGB16,
|
|
QImage::Format_ARGB8565_Premultiplied,
|
|
QImage::Format_RGB666,
|
|
QImage::Format_ARGB6666_Premultiplied,
|
|
QImage::Format_RGB555,
|
|
QImage::Format_ARGB8555_Premultiplied,
|
|
QImage::Format_RGB888,
|
|
QImage::Format_RGB444,
|
|
QImage::Format_ARGB4444_Premultiplied
|
|
};
|
|
|
|
for (int i=0; names[i] != 0; ++i) {
|
|
QByteArray name;
|
|
name.append(names[i]).append(", ");
|
|
|
|
QTest::newRow(QByteArray(name).append("black").constData()) << formats[i] << Qt::black << 0xff000000;
|
|
QTest::newRow(QByteArray(name).append("white").constData()) << formats[i] << Qt::white << 0xffffffff;
|
|
QTest::newRow(QByteArray(name).append("red").constData()) << formats[i] << Qt::red << 0xffff0000;
|
|
QTest::newRow(QByteArray(name).append("green").constData()) << formats[i] << Qt::green << 0xff00ff00;
|
|
QTest::newRow(QByteArray(name).append("blue").constData()) << formats[i] << Qt::blue << 0xff0000ff;
|
|
}
|
|
|
|
QTest::newRow("RGB16, transparent") << QImage::Format_RGB16 << Qt::transparent << 0xff000000;
|
|
QTest::newRow("RGB32, transparent") << QImage::Format_RGB32 << Qt::transparent << 0xff000000;
|
|
QTest::newRow("ARGB32, transparent") << QImage::Format_ARGB32 << Qt::transparent << 0x00000000u;
|
|
QTest::newRow("ARGB32pm, transparent") << QImage::Format_ARGB32_Premultiplied << Qt::transparent << 0x00000000u;
|
|
}
|
|
|
|
void tst_QImage::fillColor()
|
|
{
|
|
QFETCH(QImage::Format, format);
|
|
QFETCH(Qt::GlobalColor, color);
|
|
QFETCH(uint, pixelValue);
|
|
|
|
QImage image(1, 1, format);
|
|
|
|
if (image.depth() == 8) {
|
|
QVector<QRgb> table;
|
|
table << 0xff000000;
|
|
table << 0xffffffff;
|
|
table << 0xffff0000;
|
|
table << 0xff00ff00;
|
|
table << 0xff0000ff;
|
|
image.setColorTable(table);
|
|
}
|
|
|
|
image.fill(color);
|
|
if (image.depth() == 1) {
|
|
QCOMPARE(image.pixelIndex(0, 0), (int) pixelValue);
|
|
} else {
|
|
QCOMPARE(image.pixel(0, 0), pixelValue);
|
|
}
|
|
|
|
image.fill(QColor(color));
|
|
if (image.depth() == 1) {
|
|
QCOMPARE(image.pixelIndex(0, 0), (int) pixelValue);
|
|
} else {
|
|
QCOMPARE(image.pixel(0, 0), pixelValue);
|
|
}
|
|
}
|
|
|
|
void tst_QImage::fillColorWithAlpha()
|
|
{
|
|
QImage argb32(1, 1, QImage::Format_ARGB32);
|
|
argb32.fill(QColor(255, 0, 0, 127));
|
|
QCOMPARE(argb32.pixel(0, 0), qRgba(255, 0, 0, 127));
|
|
|
|
QImage argb32pm(1, 1, QImage::Format_ARGB32_Premultiplied);
|
|
argb32pm.fill(QColor(255, 0, 0, 127));
|
|
QCOMPARE(argb32pm.pixel(0, 0), 0x7f7f0000u);
|
|
}
|
|
|
|
void tst_QImage::fillRGB888()
|
|
{
|
|
QImage expected(1, 1, QImage::Format_RGB888);
|
|
QImage actual(1, 1, QImage::Format_RGB888);
|
|
|
|
for (int c = Qt::black; c < Qt::transparent; ++c) {
|
|
QColor color = QColor(Qt::GlobalColor(c));
|
|
|
|
expected.fill(color);
|
|
actual.fill(color.rgba());
|
|
|
|
QCOMPARE(actual.pixel(0, 0), expected.pixel(0, 0));
|
|
}
|
|
}
|
|
|
|
void tst_QImage::rgbSwapped_data()
|
|
{
|
|
QTest::addColumn<QImage::Format>("format");
|
|
|
|
QTest::newRow("Format_Indexed8") << QImage::Format_Indexed8;
|
|
QTest::newRow("Format_RGB32") << QImage::Format_RGB32;
|
|
QTest::newRow("Format_ARGB32") << QImage::Format_ARGB32;
|
|
QTest::newRow("Format_ARGB32_Premultiplied") << QImage::Format_ARGB32_Premultiplied;
|
|
QTest::newRow("Format_RGB16") << QImage::Format_RGB16;
|
|
QTest::newRow("Format_ARGB8565_Premultiplied") << QImage::Format_ARGB8565_Premultiplied;
|
|
QTest::newRow("Format_ARGB6666_Premultiplied") << QImage::Format_ARGB6666_Premultiplied;
|
|
QTest::newRow("Format_ARGB4444_Premultiplied") << QImage::Format_ARGB4444_Premultiplied;
|
|
QTest::newRow("Format_RGB666") << QImage::Format_RGB666;
|
|
QTest::newRow("Format_RGB555") << QImage::Format_RGB555;
|
|
QTest::newRow("Format_ARGB8555_Premultiplied") << QImage::Format_ARGB8555_Premultiplied;
|
|
QTest::newRow("Format_RGB888") << QImage::Format_RGB888;
|
|
QTest::newRow("Format_RGB444") << QImage::Format_RGB444;
|
|
}
|
|
|
|
void tst_QImage::rgbSwapped()
|
|
{
|
|
QFETCH(QImage::Format, format);
|
|
|
|
QImage image(100, 1, format);
|
|
image.fill(0);
|
|
|
|
QVector<QColor> testColor(image.width());
|
|
|
|
for (int i = 0; i < image.width(); ++i)
|
|
testColor[i] = QColor(i, 10 + i, 20 + i * 2, 30 + i);
|
|
|
|
if (format != QImage::Format_Indexed8) {
|
|
QPainter p(&image);
|
|
p.setCompositionMode(QPainter::CompositionMode_Source);
|
|
for (int i = 0; i < image.width(); ++i)
|
|
p.fillRect(QRect(i, 0, 1, 1), testColor[i].rgb());
|
|
} else {
|
|
image.setColorCount(image.width());
|
|
for (int i = 0; i < image.width(); ++i) {
|
|
image.setColor(0, testColor[i].rgba());
|
|
image.setPixel(i, 0, i);
|
|
}
|
|
}
|
|
|
|
QImage imageSwapped = image.rgbSwapped();
|
|
|
|
for (int i = 0; i < image.width(); ++i) {
|
|
QColor referenceColor = QColor(image.pixel(i, 0));
|
|
QColor swappedColor = QColor(imageSwapped.pixel(i, 0));
|
|
|
|
QCOMPARE(swappedColor.alpha(), referenceColor.alpha());
|
|
QCOMPARE(swappedColor.red(), referenceColor.blue());
|
|
QCOMPARE(swappedColor.green(), referenceColor.green());
|
|
QCOMPARE(swappedColor.blue(), referenceColor.red());
|
|
}
|
|
|
|
QImage imageSwappedTwice = imageSwapped.rgbSwapped();
|
|
|
|
QCOMPARE(image, imageSwappedTwice);
|
|
|
|
QCOMPARE(memcmp(image.constBits(), imageSwappedTwice.constBits(), image.byteCount()), 0);
|
|
}
|
|
|
|
void tst_QImage::deepCopyWhenPaintingActive()
|
|
{
|
|
QImage image(64, 64, QImage::Format_ARGB32_Premultiplied);
|
|
image.fill(0);
|
|
|
|
QPainter painter(&image);
|
|
QImage copy = image;
|
|
|
|
painter.setBrush(Qt::black);
|
|
painter.drawEllipse(image.rect());
|
|
|
|
QVERIFY(copy != image);
|
|
}
|
|
|
|
void tst_QImage::scaled_QTBUG19157()
|
|
{
|
|
QImage foo(5000, 1, QImage::Format_RGB32);
|
|
foo = foo.scaled(1024, 1024, Qt::KeepAspectRatio);
|
|
QVERIFY(!foo.isNull());
|
|
}
|
|
|
|
static void cleanupFunction(void* info)
|
|
{
|
|
bool *called = static_cast<bool*>(info);
|
|
*called = true;
|
|
}
|
|
|
|
void tst_QImage::cleanupFunctions()
|
|
{
|
|
QImage bufferImage(64, 64, QImage::Format_ARGB32);
|
|
bufferImage.fill(0);
|
|
|
|
bool called;
|
|
|
|
{
|
|
called = false;
|
|
{
|
|
QImage image(bufferImage.bits(), bufferImage.width(), bufferImage.height(), bufferImage.format(), cleanupFunction, &called);
|
|
}
|
|
QVERIFY(called);
|
|
}
|
|
|
|
{
|
|
called = false;
|
|
QImage *copy = 0;
|
|
{
|
|
QImage image(bufferImage.bits(), bufferImage.width(), bufferImage.height(), bufferImage.format(), cleanupFunction, &called);
|
|
copy = new QImage(image);
|
|
}
|
|
QVERIFY(!called);
|
|
delete copy;
|
|
QVERIFY(called);
|
|
}
|
|
|
|
}
|
|
|
|
QTEST_MAIN(tst_QImage)
|
|
#include "tst_qimage.moc"
|