e3640d1bdd
These comments were mostly empty or inaccurate. Appropriate naming of tests and appropriate placement of tests within the directory tree provide more reliable indicators of what is being tested. Change-Id: Ib6bf373d9e79917e4ab1417ee5c1264a2c2d7027 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
1009 lines
30 KiB
C++
1009 lines
30 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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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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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** 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, Nokia gives you certain additional
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** rights. These rights are described in the Nokia 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 General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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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 <qregion.h>
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#include <qbitmap.h>
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#include <qpainter.h>
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#include <qpolygon.h>
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#ifdef Q_WS_X11
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#include <private/qt_x11_p.h>
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#endif
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class tst_QRegion : public QObject
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{
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Q_OBJECT
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public:
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tst_QRegion();
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private slots:
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void boundingRect();
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void rects();
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void swap();
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void setRects();
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void ellipseRegion();
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void polygonRegion();
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void bitmapRegion();
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void intersected_data();
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void intersected();
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void emptyPolygonRegion_data();
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void emptyPolygonRegion();
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void intersects_region_data();
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void intersects_region();
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void intersects_rect_data();
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void intersects_rect();
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void contains_point();
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void operator_plus_data();
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void operator_plus();
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void operator_minus_data();
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void operator_minus();
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void operator_intersect_data();
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void operator_intersect();
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void operator_xor_data();
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void operator_xor();
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void rectCount_data();
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void rectCount();
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void isEmpty_data();
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void isEmpty();
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#if defined(Q_WS_X11) && defined(QT_BUILD_INTERNAL)
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void clipRectangles();
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#endif
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void regionFromPath();
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void regionToPath_data();
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void regionToPath();
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};
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Q_DECLARE_METATYPE(QPolygon)
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Q_DECLARE_METATYPE(QVector<QRect>)
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Q_DECLARE_METATYPE(QRegion)
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tst_QRegion::tst_QRegion()
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{
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}
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void tst_QRegion::boundingRect()
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{
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{
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QRect rect;
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QRegion region( rect );
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QCOMPARE( region.boundingRect(), rect );
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}
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{
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QRect rect( 10, -20, 30, 40 );
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QRegion region( rect );
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QCOMPARE( region.boundingRect(), rect );
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}
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{
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QRect rect(15,25,10,10);
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QRegion region( rect );
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QCOMPARE( region.boundingRect(), rect );
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}
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}
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void tst_QRegion::rects()
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{
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{
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QRect rect;
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QRegion region( rect );
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QVERIFY( region.isEmpty() );
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QVERIFY( region.rects().isEmpty() );
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}
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{
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QRect rect( 10, -20, 30, 40 );
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QRegion region( rect );
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QCOMPARE( region.rects().count(), 1 );
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QCOMPARE( region.rects()[0], rect );
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}
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{
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QRect r( QPoint(10, 10), QPoint(40, 40) );
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QRegion region( r );
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QVERIFY( region.contains( QPoint(10,10) ) );
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QVERIFY( region.contains( QPoint(20,40) ) );
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QVERIFY( region.contains( QPoint(40,20) ) );
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QVERIFY( !region.contains( QPoint(20,41) ) );
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QVERIFY( !region.contains( QPoint(41,20) ) );
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}
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{
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QRect r( 10, 10, 30, 30 );
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QRegion region( r );
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QVERIFY( region.contains( QPoint(10,10) ) );
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QVERIFY( region.contains( QPoint(20,39) ) );
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QVERIFY( region.contains( QPoint(39,20) ) );
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QVERIFY( !region.contains( QPoint(20,40) ) );
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QVERIFY( !region.contains( QPoint(40,20) ) );
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}
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}
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void tst_QRegion::swap()
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{
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QRegion r1(QRect( 0, 0,10,10));
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QRegion r2(QRect(10,10,10,10));
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r1.swap(r2);
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QCOMPARE(r1.rects().front(), QRect(10,10,10,10));
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QCOMPARE(r2.rects().front(), QRect( 0, 0,10,10));
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}
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void tst_QRegion::setRects()
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{
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{
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QRegion region;
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region.setRects( 0, 0 );
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QVERIFY( region.rects().isEmpty() );
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}
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{
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QRegion region;
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QRect rect;
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region.setRects( &rect, 0 );
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QVERIFY(region.isEmpty());
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QVERIFY(region == QRegion());
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QVERIFY(!region.boundingRect().isValid());
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QVERIFY(region.rects().isEmpty());
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}
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{
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QRegion region;
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QRect rect;
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region.setRects( &rect, 1 );
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QVERIFY( !region.boundingRect().isValid() );
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QVERIFY( region.rects().isEmpty() );
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}
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{
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QRegion region;
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QRect rect( 10, -20, 30, 40 );
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region.setRects( &rect, 1 );
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QCOMPARE( region.rects().count(), 1 );
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QCOMPARE( region.rects()[0], rect );
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}
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}
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void tst_QRegion::ellipseRegion()
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{
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QRegion region(0, 0, 100, 100, QRegion::Ellipse);
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// These should not be inside the circe
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QVERIFY(!region.contains(QPoint(13, 13)));
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QVERIFY(!region.contains(QPoint(13, 86)));
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QVERIFY(!region.contains(QPoint(86, 13)));
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QVERIFY(!region.contains(QPoint(86, 86)));
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// These should be inside
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QVERIFY(region.contains(QPoint(16, 16)));
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QVERIFY(region.contains(QPoint(16, 83)));
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QVERIFY(region.contains(QPoint(83, 16)));
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QVERIFY(region.contains(QPoint(83, 83)));
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// ..a..
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// .. ..
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// . .
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// . .
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// b c
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// . .
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// . .
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// .. ..
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// ..d..
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QVERIFY(region.contains(QPoint(50, 0))); // Mid-top (a)
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QVERIFY(region.contains(QPoint(0, 50))); // Mid-left (b)
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QVERIFY(region.contains(QPoint(99, 50))); // Mid-right (c)
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QVERIFY(region.contains(QPoint(50, 99))); // Mid-bottom (d)
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QRect bounds = region.boundingRect();
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QCOMPARE(bounds.x(), 0);
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QCOMPARE(bounds.y(), 0);
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QCOMPARE(bounds.width(), 100);
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QCOMPARE(bounds.height(), 100);
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}
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void tst_QRegion::polygonRegion()
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{
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QPolygon pa;
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{
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QRegion region ( pa );
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QVERIFY( region.isEmpty() );
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}
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{
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pa.setPoints( 8, 10, 10, // a____________b
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40, 10, // | |
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40, 20, // |___ ___|
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30, 20, // | |
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30, 40, // | |
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20, 40, // | |
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20, 20, // |____c
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10, 20 );
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QRegion region ( pa );
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QVERIFY( !region.isEmpty() );
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// These should not be inside the circle
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QVERIFY( !region.contains( QPoint( 9, 9 ) ) );
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QVERIFY( !region.contains( QPoint( 30, 41 ) ) );
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QVERIFY( !region.contains( QPoint( 41, 10 ) ) );
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QVERIFY( !region.contains( QPoint( 31, 21 ) ) );
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// These should be inside
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QVERIFY( region.contains( QPoint( 10, 10 ) ) ); // Upper-left (a)
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}
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}
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void tst_QRegion::emptyPolygonRegion_data()
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{
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QTest::addColumn<QPolygon>("pa");
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QTest::addColumn<bool>("isEmpty");
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QTest::addColumn<int>("numRects");
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QTest::addColumn<QVector<QRect> >("rects");
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QPolygon pa;
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QTest::newRow("no points") << pa << true << 0 << QVector<QRect>();
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pa = QPolygon() << QPoint(10,10);
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QTest::newRow("one point") << pa << true << 0 << QVector<QRect>();
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pa = QPolygon() << QPoint(10,10) << QPoint(10,20);
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QTest::newRow("two points, horizontal") << pa << true << 0 << QVector<QRect>();
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pa = QPolygon() << QPoint(10,10) << QPoint(20,10);
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QTest::newRow("two points, vertical") << pa << true << 0 << QVector<QRect>();
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pa = QPolygon() << QPoint(10,10) << QPoint(20,20);
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QTest::newRow("two points, diagonal") << pa << true << 0 << QVector<QRect>();
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pa = QPolygon() << QPoint(10,10) << QPoint(15,15) << QPoint(10,15) << QPoint(10, 10) ;
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QVector<QRect> v;
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v << QRect(10,11,1, 1) << QRect(10,12,2,1) << QRect(10,13,3,1) << QRect(10,14,4,1);
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QTest::newRow("triangle") << pa << false << 4 << v;
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v.clear();
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v << QRect(10,10,10,10);
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QTest::newRow("rectangle") << QPolygon(QRect(10,10,10,10)) << false << 1 << v;
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}
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void tst_QRegion::emptyPolygonRegion()
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{
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QFETCH(QPolygon, pa);
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QRegion r(pa);
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QTEST(r.isEmpty(), "isEmpty");
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QTEST(r.rects().count(), "numRects");
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QTEST(r.rects(), "rects");
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}
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static const char *circle_xpm[] = {
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"20 20 2 1",
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" c #FFFFFF",
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". c #000000",
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" ...... ",
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" .......... ",
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" .............. ",
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" ................ ",
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" ................ ",
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" .................. ",
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" .................. ",
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"....................",
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"....................",
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"....................",
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"....................",
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"....................",
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"....................",
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" .................. ",
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" .................. ",
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" ................ ",
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" ................ ",
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" .............. ",
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" .......... ",
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" ...... "
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};
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void tst_QRegion::bitmapRegion()
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{
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QBitmap circle;
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{
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QRegion region( circle );
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QVERIFY( region.isEmpty() );
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}
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{
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circle = QPixmap( circle_xpm );
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QRegion region( circle );
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//// These should not be inside the circe
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QVERIFY( !region.contains( QPoint( 2, 2 ) ) );
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QVERIFY( !region.contains( QPoint( 2, 17 ) ) );
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QVERIFY( !region.contains( QPoint( 17, 2 ) ) );
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QVERIFY( !region.contains( QPoint( 17, 17 ) ) );
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//// These should be inside
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QVERIFY( region.contains( QPoint( 3, 3 ) ) );
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QVERIFY( region.contains( QPoint( 3, 16 ) ) );
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QVERIFY( region.contains( QPoint( 16, 3 ) ) );
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QVERIFY( region.contains( QPoint( 16, 16 ) ) );
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QVERIFY( region.contains( QPoint( 0, 10 ) ) ); // Mid-left
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QVERIFY( region.contains( QPoint( 10, 0 ) ) ); // Mid-top
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QVERIFY( region.contains( QPoint( 19, 10 ) ) ); // Mid-right
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QVERIFY( region.contains( QPoint( 10, 19 ) ) ); // Mid-bottom
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}
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}
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void tst_QRegion::intersected_data()
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{
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QTest::addColumn<QRegion>("r1");
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QTest::addColumn<QRegion>("r2");
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QTest::addColumn<bool>("intersects");
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// QTest::addColumn<QRegion>("intersected");
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QPolygon ps1(8);
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QPolygon ps2(8);
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ps1.putPoints(0,8, 20,20, 50,20, 50,100, 70,100, 70,20, 120,20, 120,200, 20, 200);
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ps2.putPoints(0,8, 100,150, 140,150, 140,160, 160,160, 160,150, 200,150, 200,180, 100,180);
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QTest::newRow("task30716") << QRegion(ps1) << QRegion(ps2) << true;
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}
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void tst_QRegion::intersected()
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{
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QFETCH(QRegion, r1);
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QFETCH(QRegion, r2);
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QFETCH(bool, intersects);
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QRegion interReg = r1.intersected(r2);
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QVERIFY(interReg.isEmpty() != intersects);
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// Need a way to test the intersected QRegion is right
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}
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void tst_QRegion::intersects_region_data()
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{
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QTest::addColumn<QRegion>("r1");
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QTest::addColumn<QRegion>("r2");
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QTest::addColumn<bool>("intersects");
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QTest::newRow("rect overlap rect") << QRegion(100, 100, 200, 200)
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<< QRegion(200, 200, 200, 200)
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<< true;
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QTest::newRow("rect not overlap rect") << QRegion(100, 100, 200, 200)
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<< QRegion(400, 400, 200, 200)
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<< false;
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QTest::newRow("ellipse overlap ellipse") << QRegion(100, 100, 200, 200, QRegion::Ellipse)
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<< QRegion(200, 200, 200, 200, QRegion::Ellipse)
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<< true;
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QTest::newRow("ellipse not overlap ellipse") << QRegion(100, 100, 200, 200, QRegion::Ellipse)
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<< QRegion(400, 400, 200, 200, QRegion::Ellipse)
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<< false;
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}
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void tst_QRegion::intersects_region()
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{
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QFETCH(QRegion, r1);
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QFETCH(QRegion, r2);
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QFETCH(bool, intersects);
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QCOMPARE(r1.intersects(r2), intersects);
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}
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void tst_QRegion::intersects_rect_data()
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{
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QTest::addColumn<QRegion>("region");
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QTest::addColumn<QRect>("rect");
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QTest::addColumn<bool>("intersects");
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QTest::newRow("rect overlap rect") << QRegion(100, 100, 200, 200)
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<< QRect(200, 200, 200, 200)
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<< true;
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QTest::newRow("rect not overlap rect") << QRegion(100, 100, 200, 200)
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<< QRect(400, 400, 200, 200)
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<< false;
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QTest::newRow("ellipse overlap rect") << QRegion(100, 100, 200, 200, QRegion::Ellipse)
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<< QRect(200, 200, 200, 200)
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<< true;
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QTest::newRow("ellipse not overlap rect") << QRegion(100, 100, 200, 200, QRegion::Ellipse)
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<< QRect(400, 400, 200, 200)
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<< false;
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}
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void tst_QRegion::intersects_rect()
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{
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QFETCH(QRegion, region);
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QFETCH(QRect, rect);
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QFETCH(bool, intersects);
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QCOMPARE(region.intersects(rect), intersects);
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}
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void tst_QRegion::contains_point()
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{
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QCOMPARE(QRegion().contains(QPoint(1,1)),false);
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QCOMPARE(QRegion(0,0,2,2).contains(QPoint(1,1)),true);
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}
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void tst_QRegion::operator_plus_data()
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{
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QTest::addColumn<QRegion>("r1");
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QTest::addColumn<QRegion>("r2");
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QTest::addColumn<QRegion>("expected");
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QTest::newRow("empty 0") << QRegion() << QRegion() << QRegion();
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QTest::newRow("empty 1") << QRegion() << QRegion(QRect(10, 10, 10, 10))
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<< QRegion(QRect(10, 10, 10, 10));
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QTest::newRow("empty 2") << QRegion(QRect(10, 10, 10, 10)) << QRegion()
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<< QRegion(QRect(10, 10, 10, 10));
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QRegion expected;
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QVector<QRect> rects;
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rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10);
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expected.setRects(rects.constData(), rects.size());
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QTest::newRow("non overlapping") << QRegion(10, 10, 10, 10)
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<< QRegion(22, 10, 10, 10)
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<< expected;
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rects.clear();
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rects << QRect(50, 0, 50, 2);
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expected.setRects(rects.constData(), rects.size());
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QTest::newRow("adjacent y-rects") << QRegion(50, 0, 50, 1)
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<< QRegion(50, 1, 50, 1)
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<< expected;
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rects.clear();
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rects << QRect(50, 0, 2, 1);
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expected.setRects(rects.constData(), rects.size());
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QTest::newRow("adjacent x-rects") << QRegion(50, 0, 1, 1)
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<< QRegion(51, 0, 1, 1)
|
|
<< expected;
|
|
|
|
rects.clear();
|
|
rects << QRect(10, 10, 10, 10) << QRect(10, 20, 5, 10);
|
|
QRegion r1;
|
|
r1.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("double merge") << r1 << QRegion(15, 20, 5, 10)
|
|
<< QRegion(10, 10, 10, 20);
|
|
rects.clear();
|
|
rects << QRect(15, 10, 5, 10) << QRect(10, 20, 10, 10);
|
|
r1.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("double merge 2") << r1 << QRegion(10, 10, 5, 10)
|
|
<< QRegion(10, 10, 10, 20);
|
|
QTest::newRow("overlapping x") << QRegion(10, 10, 10, 10)
|
|
<< QRegion(15, 10, 10, 10)
|
|
<< QRegion(10, 10, 15, 10);
|
|
QTest::newRow("overlapping y") << QRegion(10, 10, 10, 10)
|
|
<< QRegion(10, 15, 10, 10)
|
|
<< QRegion(10, 10, 10, 15);
|
|
rects.clear();
|
|
rects << QRect(10, 10, 10, 10) << QRect(10, 20, 5, 10);
|
|
r1.setRects(rects.constData(), rects.size());
|
|
rects.clear();
|
|
rects << QRect(15, 20, 5, 10) << QRect(10, 30, 10, 10);
|
|
QRegion r2;
|
|
r2.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("triple merge") << r1 << r2
|
|
<< QRegion(10, 10, 10, 30);
|
|
|
|
rects.clear();
|
|
rects << QRect(10, 10, 4, 10) << QRect(15, 10, 10, 10);
|
|
r1.setRects(rects.constData(), rects.size());
|
|
rects.clear();
|
|
rects << QRect(15, 20, 10, 10);
|
|
r2.setRects(rects.constData(), rects.size());
|
|
rects.clear();
|
|
rects << QRect(10, 10, 4, 10) << QRect(15, 10, 10, 10)
|
|
<< QRect(15, 20, 10, 10);
|
|
expected.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("don't merge y") << r1 << r2 << expected;
|
|
|
|
QTest::newRow("equal 1") << QRegion(10, 10, 10, 10)
|
|
<< QRegion(10, 10, 10, 10)
|
|
<< QRegion(10, 10, 10, 10);
|
|
QTest::newRow("equal 2") << expected << expected << expected;
|
|
}
|
|
|
|
void tst_QRegion::operator_plus()
|
|
{
|
|
QFETCH(QRegion, r1);
|
|
QFETCH(QRegion, r2);
|
|
QFETCH(QRegion, expected);
|
|
|
|
if (r1 + r2 != expected) {
|
|
qDebug() << "r1 + r2" << (r1 + r2);
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(r1 + r2, expected);
|
|
if (r2.rectCount() == 1) {
|
|
if (r1 + r2.boundingRect() != expected) {
|
|
qDebug() << "r1 + QRect(r2)" << (r1 + r2.boundingRect());
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(r1 + r2.boundingRect(), expected);
|
|
}
|
|
|
|
if (r2 + r1 != expected) {
|
|
qDebug() << "r2 + r1" << (r2 + r1);
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(r2 + r1, expected);
|
|
if (r1.rectCount() == 1) {
|
|
if (r1 + r2.boundingRect() != expected) {
|
|
qDebug() << "r2 + QRect(r1)" << (r2 + r1.boundingRect());
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(r2 + r1.boundingRect(), expected);
|
|
}
|
|
|
|
QRegion result1 = r1;
|
|
result1 += r2;
|
|
if (result1 != expected) {
|
|
qDebug() << "r1 += r2" << result1;
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(result1, expected);
|
|
if (r2.rectCount() == 1) {
|
|
result1 = r1;
|
|
result1 += r2.boundingRect();
|
|
if (result1 != expected) {
|
|
qDebug() << "r1 += QRect(r2)" << result1;
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(result1, expected);
|
|
}
|
|
|
|
QRegion result2 = r2;
|
|
result2 += r1;
|
|
if (result2 != expected) {
|
|
qDebug() << "r2 += r1" << result2;
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(result2, expected);
|
|
if (r1.rectCount() == 1) {
|
|
result2 = r2;
|
|
result2 += r1.boundingRect();
|
|
if (result2 != expected) {
|
|
qDebug() << "r2 += QRect(r1)" << result2;
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(result2, expected);
|
|
}
|
|
}
|
|
|
|
void tst_QRegion::operator_minus_data()
|
|
{
|
|
QTest::addColumn<QRegion>("dest");
|
|
QTest::addColumn<QRegion>("subtract");
|
|
QTest::addColumn<QRegion>("expected");
|
|
|
|
QTest::newRow("empty 0") << QRegion() << QRegion() << QRegion();
|
|
QTest::newRow("empty 1") << QRegion() << QRegion(QRect(10, 10, 10, 10))
|
|
<< QRegion();
|
|
QTest::newRow("empty 2") << QRegion(QRect(10, 10, 10, 10)) << QRegion()
|
|
<< QRegion(QRect(10, 10, 10, 10));
|
|
|
|
QRegion dest;
|
|
QVector<QRect> rects;
|
|
rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10);
|
|
dest.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("simple 1") << dest
|
|
<< QRegion(22, 10, 10, 10)
|
|
<< QRegion(10, 10, 10, 10);
|
|
QTest::newRow("simple 2") << dest
|
|
<< QRegion(10, 10, 10, 10)
|
|
<< QRegion(22, 10, 10, 10);
|
|
|
|
rects.clear();
|
|
rects << QRect(0, 0, 10, 10) << QRect(15, 0, 10, 10);
|
|
dest.setRects(rects.constData(), rects.size());
|
|
|
|
QRegion minus;
|
|
rects.clear();
|
|
rects << QRect(0, 0, 12, 12) << QRect(15, 0, 12, 12);
|
|
minus.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("empty 3") << dest << minus << QRegion();
|
|
}
|
|
|
|
void tst_QRegion::operator_minus()
|
|
{
|
|
QFETCH(QRegion, dest);
|
|
QFETCH(QRegion, subtract);
|
|
QFETCH(QRegion, expected);
|
|
|
|
if (dest - subtract != expected) {
|
|
qDebug() << "dest - subtract" << (dest - subtract);
|
|
qDebug() << "expected" << expected;
|
|
};
|
|
QCOMPARE(dest - subtract, expected);
|
|
|
|
dest -= subtract;
|
|
|
|
if (dest != expected) {
|
|
qDebug() << "dest" << dest;
|
|
qDebug() << "expected" << expected;
|
|
};
|
|
QCOMPARE(dest, expected);
|
|
}
|
|
|
|
void tst_QRegion::operator_intersect_data()
|
|
{
|
|
QTest::addColumn<QRegion>("r1");
|
|
QTest::addColumn<QRegion>("r2");
|
|
QTest::addColumn<QRegion>("expected");
|
|
|
|
QTest::newRow("empty 0") << QRegion() << QRegion() << QRegion();
|
|
QTest::newRow("empty 1") << QRegion() << QRegion(QRect(10, 10, 10, 10))
|
|
<< QRegion();
|
|
QTest::newRow("empty 2") << QRegion(QRect(10, 10, 10, 10)) << QRegion()
|
|
<< QRegion();
|
|
|
|
QRegion dest;
|
|
QVector<QRect> rects;
|
|
rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10);
|
|
dest.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("simple 1") << dest
|
|
<< QRegion(22, 10, 10, 10)
|
|
<< QRegion(22, 10, 10, 10);
|
|
QTest::newRow("simple 2") << dest
|
|
<< QRegion(10, 10, 10, 10)
|
|
<< QRegion(10, 10, 10, 10);
|
|
|
|
rects.clear();
|
|
rects << QRect(10, 10, 10, 10) << QRect(10, 20, 15, 10);
|
|
dest.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("merge 1") << dest
|
|
<< QRegion(10, 10, 10, 20)
|
|
<< QRegion(10, 10, 10, 20);
|
|
|
|
rects.clear();
|
|
rects << QRect(11, 11, 218, 117) << QRect(11, 128, 218, 27)
|
|
<< QRect(264, 128, 122, 27) << QRect(11, 155, 218, 43)
|
|
<< QRect(11, 198, 218, 27) << QRect(264, 198, 122, 27)
|
|
<< QRect(11, 225, 218, 221);
|
|
dest.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("merge 2") << dest << QRegion(11, 11, 218, 458)
|
|
<< QRegion(11, 11, 218, 435);
|
|
|
|
rects.clear();
|
|
rects << QRect(0, 0, 10, 10) << QRect(20, 0, 10, 10);
|
|
dest.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("empty 3") << dest << QRegion(11, 0, 5, 5) << QRegion();
|
|
|
|
QTest::newRow("extents check") << dest << QRegion(0, 0, 15, 15)
|
|
<< QRegion(0, 0, 10, 10);
|
|
|
|
rects.clear();
|
|
rects << QRect(10, 10, 10, 10) << QRect(10, 20, 10, 10)
|
|
<< QRect(30, 20, 10, 10) << QRect(10, 30, 10, 10);
|
|
dest.setRects(rects.constData(), rects.size());
|
|
rects.clear();
|
|
rects << QRect(10, 10, 10, 10) << QRect(10, 20, 10, 10)
|
|
<< QRect(30, 20, 10, 10);
|
|
QRegion expected;
|
|
expected.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("dont merge") << dest << QRegion(0, 0, 100, 30)
|
|
<< expected;
|
|
}
|
|
|
|
void tst_QRegion::operator_intersect()
|
|
{
|
|
QFETCH(QRegion, r1);
|
|
QFETCH(QRegion, r2);
|
|
QFETCH(QRegion, expected);
|
|
|
|
if ((r1 & r2) != expected) {
|
|
qDebug() << "r1 & r2" << (r1 & r2);
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(r1 & r2, expected);
|
|
|
|
if ((r2 & r1) != expected) {
|
|
qDebug() << "r2 & r1" << (r2 & r1);
|
|
qDebug() << "expected" << expected;
|
|
}
|
|
QCOMPARE(r2 & r1, expected);
|
|
|
|
r1 &= r2;
|
|
QCOMPARE(r1, expected);
|
|
}
|
|
|
|
void tst_QRegion::operator_xor_data()
|
|
{
|
|
QTest::addColumn<QRegion>("dest");
|
|
QTest::addColumn<QRegion>("arg");
|
|
QTest::addColumn<QRegion>("expected");
|
|
|
|
QTest::newRow("empty 0") << QRegion() << QRegion() << QRegion();
|
|
QTest::newRow("empty 1") << QRegion() << QRegion(QRect(10, 10, 10, 10))
|
|
<< QRegion(QRect(10, 10, 10, 10));
|
|
QTest::newRow("empty 2") << QRegion(QRect(10, 10, 10, 10)) << QRegion()
|
|
<< QRegion(QRect(10, 10, 10, 10));
|
|
|
|
QRegion dest;
|
|
QVector<QRect> rects;
|
|
rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10);
|
|
dest.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("simple 1") << dest
|
|
<< QRegion(22, 10, 10, 10)
|
|
<< QRegion(10, 10, 10, 10);
|
|
QTest::newRow("simple 2") << dest
|
|
<< QRegion(10, 10, 10, 10)
|
|
<< QRegion(22, 10, 10, 10);
|
|
QTest::newRow("simple 3") << dest << dest << QRegion();
|
|
QTest::newRow("simple 4") << QRegion(10, 10, 10, 10)
|
|
<< QRegion(10, 10, 5, 10)
|
|
<< QRegion(15, 10, 5, 10);
|
|
QTest::newRow("simple 5") << QRegion(10, 10, 10, 10)
|
|
<< QRegion(10, 10, 10, 5)
|
|
<< QRegion(10, 15, 10, 5);
|
|
|
|
const QRegion rgnA(0, 0, 100, 100);
|
|
const QRegion rgnB(0, 0, 10, 10);
|
|
|
|
QTest::newRow("simple 6") << rgnA
|
|
<< rgnA - rgnB
|
|
<< rgnB;
|
|
|
|
QTest::newRow("simple 7") << rgnB
|
|
<< rgnA
|
|
<< rgnA - rgnB;
|
|
}
|
|
|
|
void tst_QRegion::operator_xor()
|
|
{
|
|
QFETCH(QRegion, dest);
|
|
QFETCH(QRegion, arg);
|
|
QFETCH(QRegion, expected);
|
|
|
|
QCOMPARE(dest ^ arg, expected);
|
|
QCOMPARE(dest.xored(arg), expected);
|
|
|
|
dest ^= arg;
|
|
QCOMPARE(dest, expected);
|
|
}
|
|
|
|
void tst_QRegion::rectCount_data()
|
|
{
|
|
QTest::addColumn<QRegion>("region");
|
|
QTest::addColumn<int>("expected");
|
|
|
|
QTest::newRow("empty") << QRegion() << 0;
|
|
QTest::newRow("rect") << QRegion(10, 10, 10, 10) << 1;
|
|
|
|
QRegion dest;
|
|
QVector<QRect> rects;
|
|
rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10);
|
|
dest.setRects(rects.constData(), rects.size());
|
|
|
|
QTest::newRow("2 rects") << dest << rects.size();
|
|
}
|
|
|
|
void tst_QRegion::rectCount()
|
|
{
|
|
QFETCH(QRegion, region);
|
|
QFETCH(int, expected);
|
|
|
|
QCOMPARE(region.rectCount(), expected);
|
|
}
|
|
|
|
void tst_QRegion::isEmpty_data()
|
|
{
|
|
QTest::addColumn<QRegion>("region");
|
|
|
|
QTest::newRow("QRegion") << QRegion();
|
|
|
|
QVector<QRect> rects;
|
|
rects << QRect(0, 0, 10, 10) << QRect(15, 0, 10, 10);
|
|
QRegion r1;
|
|
r1.setRects(rects.constData(), rects.size());
|
|
|
|
QRegion r2;
|
|
rects.clear();
|
|
rects << QRect(0, 0, 12, 12) << QRect(15, 0, 12, 12);
|
|
r2.setRects(rects.constData(), rects.size());
|
|
QTest::newRow("minus") << (r1 - r2);
|
|
}
|
|
|
|
void tst_QRegion::isEmpty()
|
|
{
|
|
QFETCH(QRegion, region);
|
|
|
|
QVERIFY(region.isEmpty());
|
|
QCOMPARE(region, QRegion());
|
|
QCOMPARE(region.rectCount(), 0);
|
|
QCOMPARE(region.boundingRect(), QRect());
|
|
QVERIFY(region.rects().isEmpty());
|
|
}
|
|
|
|
#if defined(Q_WS_X11) && defined(QT_BUILD_INTERNAL)
|
|
void tst_QRegion::clipRectangles()
|
|
{
|
|
QRegion region(30, 30, 30, 30);
|
|
int num = 0;
|
|
qt_getClipRects(region, num);
|
|
QCOMPARE(num, 1);
|
|
|
|
region += QRegion(10, 10, 10, 10);
|
|
XRectangle *rects2 = static_cast<XRectangle *>(qt_getClipRects(region, num));
|
|
QCOMPARE(num, 2);
|
|
|
|
// Here's the important part (Y-sorted):
|
|
QCOMPARE(int(rects2[0].y), 10);
|
|
QCOMPARE(int(rects2[1].y), 30);
|
|
}
|
|
#endif
|
|
|
|
void tst_QRegion::regionFromPath()
|
|
{
|
|
{
|
|
QPainterPath path;
|
|
path.addRect(0, 0, 10, 10);
|
|
path.addRect(0, 100, 100, 1000);
|
|
|
|
QRegion rgn(path.toFillPolygon().toPolygon());
|
|
QCOMPARE(rgn.rects().size(), 2);
|
|
QCOMPARE(rgn.rects().at(0), QRect(0, 0, 10, 10));
|
|
QCOMPARE(rgn.rects().at(1), QRect(0, 100, 100, 1000));
|
|
|
|
QCOMPARE(rgn.boundingRect(), QRect(0, 0, 100, 1100));
|
|
}
|
|
|
|
{
|
|
QPainterPath path;
|
|
path.addRect(0, 0, 100, 100);
|
|
path.addRect(10, 10, 80, 80);
|
|
|
|
QRegion rgn(path.toFillPolygon().toPolygon());
|
|
QCOMPARE(rgn.rects().size(), 4);
|
|
|
|
QCOMPARE(rgn.rects().at(0), QRect(0, 0, 100, 10));
|
|
QCOMPARE(rgn.rects().at(1), QRect(0, 10, 10, 80));
|
|
QCOMPARE(rgn.rects().at(2), QRect(90, 10, 10, 80));
|
|
QCOMPARE(rgn.rects().at(3), QRect(0, 90, 100, 10));
|
|
|
|
QCOMPARE(rgn.boundingRect(), QRect(0, 0, 100, 100));
|
|
}
|
|
}
|
|
|
|
Q_DECLARE_METATYPE(QPainterPath)
|
|
|
|
void tst_QRegion::regionToPath_data()
|
|
{
|
|
QTest::addColumn<QPainterPath>("path");
|
|
{
|
|
QPainterPath path;
|
|
path.addRect(QRect(0, 0, 10, 10));
|
|
|
|
QTest::newRow("Rectangle") << path;
|
|
}
|
|
|
|
{
|
|
QPainterPath path;
|
|
path.addRect(QRect(0, 0, 10, 10));
|
|
path.addRect(QRect(20, 0, 10, 10));
|
|
|
|
QTest::newRow("Two rects") << path;
|
|
}
|
|
|
|
{
|
|
QPainterPath path;
|
|
path.addEllipse(QRect(0, 0, 10, 10));
|
|
|
|
QTest::newRow("Ellipse") << path;
|
|
}
|
|
|
|
{
|
|
QPainterPath path;
|
|
path.addRect(QRect(0, 0, 3, 8));
|
|
path.addRect(QRect(6, 0, 3, 8));
|
|
path.addRect(QRect(3, 3, 3, 2));
|
|
path.addRect(QRect(12, 3, 3, 2));
|
|
|
|
QTest::newRow("H-dot") << path;
|
|
}
|
|
|
|
{
|
|
QPainterPath path;
|
|
for (int y = 0; y <= 10; ++y) {
|
|
for (int x = 0; x <= 10; ++x) {
|
|
if (!(y & 1) || ((x ^ y) & 1))
|
|
path.addRect(QRect(x, y, 1, 1));
|
|
}
|
|
}
|
|
|
|
QTest::newRow("Grid") << path;
|
|
}
|
|
}
|
|
|
|
#ifdef QT_BUILD_INTERNAL
|
|
QT_BEGIN_NAMESPACE
|
|
extern QPainterPath qt_regionToPath(const QRegion ®ion);
|
|
QT_END_NAMESPACE
|
|
#endif
|
|
|
|
void tst_QRegion::regionToPath()
|
|
{
|
|
#ifdef QT_BUILD_INTERNAL
|
|
|
|
QFETCH(QPainterPath, path);
|
|
|
|
for (int i = 0; i < 360; i += 10) {
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QTransform transform;
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transform.scale(5, 5);
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transform.rotate(i);
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QPainterPath mapped = transform.map(path);
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QRegion region(mapped.toFillPolygon().toPolygon());
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QPainterPath a;
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a.addRegion(region);
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QPainterPath b = qt_regionToPath(region);
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QRect r = a.boundingRect().toAlignedRect();
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QImage ia(r.size(), QImage::Format_RGB32);
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ia.fill(0xffffffff);
|
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QImage ib = ia;
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|
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QPainter p(&ia);
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|
p.translate(-r.x(), -r.y());
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p.fillPath(a, Qt::red);
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p.end();
|
|
p.begin(&ib);
|
|
p.translate(-r.x(), -r.y());
|
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p.fillPath(b, Qt::red);
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p.end();
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|
|
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QCOMPARE(ia, ib);
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QCOMPARE(a.boundingRect(), b.boundingRect());
|
|
}
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#endif
|
|
}
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|
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QTEST_MAIN(tst_QRegion)
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#include "tst_qregion.moc"
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