diff options
Diffstat (limited to 'tests/auto/gui/image/qpicture/tst_qpicture.cpp')
-rw-r--r-- | tests/auto/gui/image/qpicture/tst_qpicture.cpp | 137 |
1 files changed, 94 insertions, 43 deletions
diff --git a/tests/auto/gui/image/qpicture/tst_qpicture.cpp b/tests/auto/gui/image/qpicture/tst_qpicture.cpp index 2e766c5bf5..ff1829458e 100644 --- a/tests/auto/gui/image/qpicture/tst_qpicture.cpp +++ b/tests/auto/gui/image/qpicture/tst_qpicture.cpp @@ -1,40 +1,32 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the test suite of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ +** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -45,6 +37,7 @@ #include <qpicture.h> #include <qpainter.h> #include <qimage.h> +#include <qpaintengine.h> #ifndef QT_NO_WIDGETS #include <qdesktopwidget.h> #include <qapplication.h> @@ -64,7 +57,7 @@ private slots: void paintingActive(); void boundingRect(); void swap(); - void operator_lt_lt(); + void serialization(); #ifndef QT_NO_WIDGETS void save_restore(); @@ -169,36 +162,94 @@ void tst_QPicture::swap() QCOMPARE(p2.boundingRect(), QRect(0,0,5,5)); } -// operator<< and operator>> -void tst_QPicture::operator_lt_lt() +Q_DECLARE_METATYPE(QDataStream::Version) +Q_DECLARE_METATYPE(QPicture) + +void ensureSerializesCorrectly(const QPicture &picture, QDataStream::Version version) + { + QDataStream stream; + + QBuffer buffer; + buffer.open(QIODevice::WriteOnly); + stream.setDevice(&buffer); + stream.setVersion(version); + stream << picture; + buffer.close(); + + buffer.open(QIODevice::ReadOnly); + QPicture readpicture; + stream >> readpicture; + QVERIFY2(memcmp(picture.data(), readpicture.data(), picture.size()) == 0, + qPrintable(QString::fromLatin1("Picture data does not compare equal for QDataStream version %1").arg(version))); +} + +class PaintEngine : public QPaintEngine { - // streaming of null pictures - { - QPicture pic1, pic2; - QByteArray ba( 100, 0 ); - QDataStream str1( &ba, QIODevice::WriteOnly ); - str1 << pic1; - QDataStream str2( &ba, QIODevice::ReadOnly ); - str2 >> pic2; - QVERIFY( pic2.isNull() ); +public: + PaintEngine() : QPaintEngine() {} + bool begin(QPaintDevice *) { return true; } + bool end() { return true; } + void updateState(const QPaintEngineState &) {} + void drawPixmap(const QRectF &, const QPixmap &, const QRectF &) {} + Type type() const { return Raster; } + + QFont font() { return state->font(); } +}; + +class Picture : public QPicture +{ +public: + Picture() : QPicture() {} + QPaintEngine *paintEngine() const { return (QPaintEngine*)&mPaintEngine; } +private: + PaintEngine mPaintEngine; +}; + +void tst_QPicture::serialization() +{ + QDataStream stream; + const int thisVersion = stream.version(); + + for (int version = QDataStream::Qt_1_0; version <= thisVersion; ++version) { + const QDataStream::Version versionEnum = static_cast<QDataStream::Version>(version); + + { + // streaming of null pictures + ensureSerializesCorrectly(QPicture(), versionEnum); + } + { + // picture with a simple line, checking bitwise equality + QPicture picture; + QPainter painter(&picture); + painter.drawLine(10, 20, 30, 40); + ensureSerializesCorrectly(picture, versionEnum); + } } - // picture with a simple line, checking bitwise equality { - QPicture pic1, pic2; - QPainter p( &pic1 ); - p.drawLine( 10, 20, 30, 40 ); - p.end(); - QByteArray ba( 10 * pic1.size(), 0 ); - QDataStream str1( &ba, QIODevice::WriteOnly ); - str1 << pic1; - QDataStream str2( &ba, QIODevice::ReadOnly ); - str2 >> pic2; - QCOMPARE( pic1.size(), pic2.size() ); - QVERIFY( memcmp( pic1.data(), pic2.data(), pic1.size() ) == 0 ); + // Test features that were added after Qt 4.5, as that was hard-coded as the major + // version for a while, which was incorrect. In this case, we'll test font hints. + QPicture picture; + QPainter painter; + QFont font; + font.setStyleName("Blah"); + font.setHintingPreference(QFont::PreferFullHinting); + painter.begin(&picture); + painter.setFont(font); + painter.drawText(20, 20, "Hello"); + painter.end(); + + Picture customPicture; + painter.begin(&customPicture); + picture.play(&painter); + const QFont actualFont = ((PaintEngine*)customPicture.paintEngine())->font(); + painter.end(); + QCOMPARE(actualFont.styleName(), QStringLiteral("Blah")); + QCOMPARE(actualFont.hintingPreference(), QFont::PreferFullHinting); } } + #ifndef QT_NO_WIDGETS static QPointF scalePoint(const QPointF &point, QPaintDevice *sourceDevice, QPaintDevice *destDevice) { |