4334d07f52
QBezier::pointAt() could potentially return values outside the bezier's bounds, even when the bezier was a straight horizontal line. For example, with y = 0.5, it would produce y=0.5 or y=0.49999999999999 for different values of t, which when rounded cause jittering in a QML PathView. Task-number: QTBUG-17007 Task-number: QTBUG-18133 Cherry-pick-of: 8b66982ec7b4b5d2071931c288973dce73dc9875 Change-Id: I4ecac7b9085aaaaaaaaaaaaaaaaaaaaaa7d7b0bc Reviewed-on: http://codereview.qt.nokia.com/2467 Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
1333 lines
44 KiB
C++
1333 lines
44 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 <qfile.h>
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#include <qpainterpath.h>
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#include <qpen.h>
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#define _USE_MATH_DEFINES
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#include <math.h>
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//TESTED_CLASS=
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//TESTED_FILES=
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class tst_QPainterPath : public QObject
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{
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Q_OBJECT
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public:
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private slots:
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void getSetCheck();
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void swap();
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void contains_QPointF_data();
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void contains_QPointF();
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void contains_QRectF_data();
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void contains_QRectF();
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void intersects_QRectF_data();
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void intersects_QRectF();
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void testContainsAndIntersects_data();
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void testContainsAndIntersects();
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void testSimplified_data();
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void testSimplified();
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void testStroker_data();
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void testStroker();
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void currentPosition();
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void testOperatorEquals();
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void testOperatorEquals_fuzzy();
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void testOperatorDatastream();
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void testArcMoveTo_data();
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void testArcMoveTo();
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void setElementPositionAt();
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void testOnPath_data();
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void testOnPath();
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void pointAtPercent_data();
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void pointAtPercent();
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void angleAtPercent();
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void arcWinding_data();
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void arcWinding();
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void testToFillPolygons();
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void testNaNandInfinites();
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void closing();
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void operators_data();
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void operators();
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void connectPathDuplicatePoint();
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void connectPathMoveTo();
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void translate();
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void lineWithinBounds();
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};
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// Testing get/set functions
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void tst_QPainterPath::getSetCheck()
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{
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QPainterPathStroker obj1;
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// qreal QPainterPathStroker::width()
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// void QPainterPathStroker::setWidth(qreal)
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obj1.setWidth(0.0);
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QCOMPARE(qreal(1.0), obj1.width()); // Pathstroker sets with to 1 if <= 0
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obj1.setWidth(0.5);
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QCOMPARE(qreal(0.5), obj1.width());
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obj1.setWidth(1.1);
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QCOMPARE(qreal(1.1), obj1.width());
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// qreal QPainterPathStroker::miterLimit()
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// void QPainterPathStroker::setMiterLimit(qreal)
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obj1.setMiterLimit(0.0);
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QCOMPARE(qreal(0.0), obj1.miterLimit());
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obj1.setMiterLimit(1.1);
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QCOMPARE(qreal(1.1), obj1.miterLimit());
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// qreal QPainterPathStroker::curveThreshold()
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// void QPainterPathStroker::setCurveThreshold(qreal)
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obj1.setCurveThreshold(0.0);
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QCOMPARE(qreal(0.0), obj1.curveThreshold());
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obj1.setCurveThreshold(1.1);
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QCOMPARE(qreal(1.1), obj1.curveThreshold());
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}
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void tst_QPainterPath::swap()
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{
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QPainterPath p1;
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p1.addRect( 0, 0,10,10);
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QPainterPath p2;
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p2.addRect(10,10,10,10);
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p1.swap(p2);
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QCOMPARE(p1.boundingRect().toRect(), QRect(10,10,10,10));
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QCOMPARE(p2.boundingRect().toRect(), QRect( 0, 0,10,10));
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}
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Q_DECLARE_METATYPE(QPainterPath)
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Q_DECLARE_METATYPE(QPointF)
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Q_DECLARE_METATYPE(QRectF)
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void tst_QPainterPath::currentPosition()
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{
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QPainterPath p;
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QCOMPARE(p.currentPosition(), QPointF());
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p.moveTo(100, 100);
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QCOMPARE(p.currentPosition(), QPointF(100, 100));
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p.lineTo(200, 200);
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QCOMPARE(p.currentPosition(), QPointF(200, 200));
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p.cubicTo(300, 200, 200, 300, 500, 500);
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QCOMPARE(p.currentPosition(), QPointF(500, 500));
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}
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void tst_QPainterPath::contains_QPointF_data()
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{
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QTest::addColumn<QPainterPath>("path");
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QTest::addColumn<QPointF>("pt");
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QTest::addColumn<bool>("contained");
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QPainterPath path;
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path.addRect(0, 0, 100, 100);
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// #####
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// # #
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// # #
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// # #
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// #####
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QTest::newRow("[0,0] in [0,0,100,100]") << path << QPointF(0, 0) << true;
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QTest::newRow("[99,0] in [0,0,100,100]") << path << QPointF(99, 0) << true;
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QTest::newRow("[0,99] in [0,0,100,100]") << path << QPointF(0, 99) << true;
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QTest::newRow("[99,99] in [0,0,100,100]") << path << QPointF(99, 99) << true;
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QTest::newRow("[99.99,0] in [0,0,100,100]") << path << QPointF(99.99, 0) << true;
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QTest::newRow("[0,99.99] in [0,0,100,100]") << path << QPointF(0, 99.99) << true;
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QTest::newRow("[99.99,99.99] in [0,0,100,100]") << path << QPointF(99.99, 99.99) << true;
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QTest::newRow("[0.01,0.01] in [0,0,100,100]") << path << QPointF(0.01, 0.01) << true;
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QTest::newRow("[0,0.01] in [0,0,100,100]") << path << QPointF(0, 0.01) << true;
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QTest::newRow("[0.01,0] in [0,0,100,100]") << path << QPointF(0.01, 0) << true;
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QTest::newRow("[-0.01,-0.01] in [0,0,100,100]") << path << QPointF(-0.01, -0.01) << false;
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QTest::newRow("[-0,-0.01] in [0,0,100,100]") << path << QPointF(0, -0.01) << false;
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QTest::newRow("[-0.01,0] in [0,0,100,100]") << path << QPointF(-0.01, 0) << false;
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QTest::newRow("[-10,0] in [0,0,100,100]") << path << QPointF(-10, 0) << false;
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QTest::newRow("[100,0] in [0,0,100,100]") << path << QPointF(100, 0) << false;
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QTest::newRow("[0,-10] in [0,0,100,100]") << path << QPointF(0, -10) << false;
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QTest::newRow("[0,100] in [0,0,100,100]") << path << QPointF(0, 100) << false;
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QTest::newRow("[100.1,0] in [0,0,100,100]") << path << QPointF(100.1, 0) << false;
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QTest::newRow("[0,100.1] in [0,0,100,100]") << path << QPointF(0, 100.1) << false;
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path.addRect(50, 50, 100, 100);
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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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QTest::newRow("[49,49] in 2 rects") << path << QPointF(49,49) << true;
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QTest::newRow("[50,50] in 2 rects") << path << QPointF(50,50) << false;
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QTest::newRow("[100,100] in 2 rects") << path << QPointF(100,100) << true;
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path.setFillRule(Qt::WindingFill);
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QTest::newRow("[50,50] in 2 rects (winding)") << path << QPointF(50,50) << true;
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path.addEllipse(0, 0, 150, 150);
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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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QTest::newRow("[50,50] in complex (winding)") << path << QPointF(50, 50) << true;
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path.setFillRule(Qt::OddEvenFill);
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QTest::newRow("[50,50] in complex (windinf)") << path << QPointF(50, 50) << true;
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QTest::newRow("[49,49] in complex") << path << QPointF(49,49) << false;
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QTest::newRow("[100,100] in complex") << path << QPointF(49,49) << false;
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// unclosed triangle
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path = QPainterPath();
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path.moveTo(100, 100);
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path.lineTo(130, 70);
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path.lineTo(150, 110);
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QTest::newRow("[100,100] in triangle") << path << QPointF(100, 100) << true;
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QTest::newRow("[140,100] in triangle") << path << QPointF(140, 100) << true;
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QTest::newRow("[130,80] in triangle") << path << QPointF(130, 80) << true;
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QTest::newRow("[110,80] in triangle") << path << QPointF(110, 80) << false;
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QTest::newRow("[150,100] in triangle") << path << QPointF(150, 100) << false;
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QTest::newRow("[120,110] in triangle") << path << QPointF(120, 110) << false;
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QRectF base_rect(0, 0, 20, 20);
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path = QPainterPath();
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path.addEllipse(base_rect);
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// not strictly precise, but good enougth to verify fair precision.
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QPainterPath inside;
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inside.addEllipse(base_rect.adjusted(5, 5, -5, -5));
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QPolygonF inside_poly = inside.toFillPolygon();
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for (int i=0; i<inside_poly.size(); ++i)
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QTest::newRow("inside_ellipse") << path << inside_poly.at(i) << true;
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QPainterPath outside;
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outside.addEllipse(base_rect.adjusted(-5, -5, 5, 5));
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QPolygonF outside_poly = outside.toFillPolygon();
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for (int i=0; i<outside_poly.size(); ++i)
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QTest::newRow("outside_ellipse") << path << outside_poly.at(i) << false;
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path = QPainterPath();
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base_rect = QRectF(50, 50, 200, 200);
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path.addEllipse(base_rect);
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path.setFillRule(Qt::WindingFill);
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QTest::newRow("topleft outside ellipse") << path << base_rect.topLeft() << false;
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QTest::newRow("topright outside ellipse") << path << base_rect.topRight() << false;
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QTest::newRow("bottomright outside ellipse") << path << base_rect.bottomRight() << false;
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QTest::newRow("bottomleft outside ellipse") << path << base_rect.bottomLeft() << false;
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// Test horizontal curve segment
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path = QPainterPath();
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path.moveTo(100, 100);
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path.cubicTo(120, 100, 180, 100, 200, 100);
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path.lineTo(150, 200);
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path.closeSubpath();
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QTest::newRow("horizontal cubic, out left") << path << QPointF(0, 100) << false;
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QTest::newRow("horizontal cubic, out right") << path << QPointF(300, 100) <<false;
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QTest::newRow("horizontal cubic, in mid") << path << QPointF(150, 100) << true;
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path = QPainterPath();
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path.addEllipse(QRectF(-5000.0, -5000.0, 1500000.0, 1500000.0));
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QTest::newRow("huge ellipse, qreal=float crash") << path << QPointF(1100000.35, 1098000.2) << true;
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}
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void tst_QPainterPath::contains_QPointF()
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{
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QFETCH(QPainterPath, path);
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QFETCH(QPointF, pt);
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QFETCH(bool, contained);
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QCOMPARE(path.contains(pt), contained);
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}
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void tst_QPainterPath::contains_QRectF_data()
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{
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QTest::addColumn<QPainterPath>("path");
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QTest::addColumn<QRectF>("rect");
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QTest::addColumn<bool>("contained");
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QPainterPath path;
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path.addRect(0, 0, 100, 100);
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QTest::newRow("same rect") << path << QRectF(0.1, 0.1, 99, 99) << true; // ###
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QTest::newRow("outside") << path << QRectF(-1, -1, 100, 100) << false;
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QTest::newRow("covers") << path << QRectF(-1, -1, 102, 102) << false;
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QTest::newRow("left") << path << QRectF(-10, 50, 5, 5) << false;
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QTest::newRow("top") << path << QRectF(50, -10, 5, 5) << false;
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QTest::newRow("right") << path << QRectF(110, 50, 5, 5) << false;
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QTest::newRow("bottom") << path << QRectF(50, 110, 5, 5) << false;
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path.addRect(50, 50, 100, 100);
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QTest::newRow("r1 top") << path << QRectF(0.1, 0.1, 99, 49) << true;
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QTest::newRow("r1 left") << path << QRectF(0.1, 0.1, 49, 99) << true;
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QTest::newRow("r2 right") << path << QRectF(100.01, 50.1, 49, 99) << true;
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QTest::newRow("r2 bottom") << path << QRectF(50.1, 100.1, 99, 49) << true;
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QTest::newRow("inside 2 rects") << path << QRectF(51, 51, 48, 48) << false;
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QTest::newRow("topRight 2 rects") << path << QRectF(100, 0, 49, 49) << false;
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QTest::newRow("bottomLeft 2 rects") << path << QRectF(0, 100, 49, 49) << false;
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path.setFillRule(Qt::WindingFill);
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QTest::newRow("inside 2 rects (winding)") << path << QRectF(51, 51, 48, 48) << true;
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path.addEllipse(0, 0, 150, 150);
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QTest::newRow("topRight 2 rects") << path << QRectF(100, 25, 24, 24) << true;
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QTest::newRow("bottomLeft 2 rects") << path << QRectF(25, 100, 24, 24) << true;
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path.setFillRule(Qt::OddEvenFill);
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QTest::newRow("inside 2 rects") << path << QRectF(50, 50, 49, 49) << false;
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}
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void tst_QPainterPath::contains_QRectF()
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{
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QFETCH(QPainterPath, path);
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QFETCH(QRectF, rect);
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QFETCH(bool, contained);
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QCOMPARE(path.contains(rect), contained);
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}
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static inline QPainterPath rectPath(qreal x, qreal y, qreal w, qreal h)
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{
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QPainterPath path;
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path.addRect(x, y, w, h);
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path.closeSubpath();
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return path;
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}
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static inline QPainterPath ellipsePath(qreal x, qreal y, qreal w, qreal h)
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{
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QPainterPath path;
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path.addEllipse(x, y, w, h);
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path.closeSubpath();
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return path;
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}
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static inline QPainterPath linePath(qreal x1, qreal y1, qreal x2, qreal y2)
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{
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QPainterPath path;
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path.moveTo(x1, y1);
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path.lineTo(x2, y2);
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return path;
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}
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void tst_QPainterPath::intersects_QRectF_data()
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{
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QTest::addColumn<QPainterPath>("path");
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QTest::addColumn<QRectF>("rect");
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QTest::addColumn<bool>("intersects");
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QPainterPath path;
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path.addRect(0, 0, 100, 100);
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QTest::newRow("same rect") << path << QRectF(0.1, 0.1, 99, 99) << true; // ###
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QTest::newRow("outside") << path << QRectF(-1, -1, 100, 100) << true;
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QTest::newRow("covers") << path << QRectF(-1, -1, 102, 102) << true;
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QTest::newRow("left") << path << QRectF(-10, 50, 5, 5) << false;
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QTest::newRow("top") << path << QRectF(50, -10, 5, 5) << false;
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QTest::newRow("right") << path << QRectF(110, 50, 5, 5) << false;
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QTest::newRow("bottom") << path << QRectF(50, 110, 5, 5) << false;
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path.addRect(50, 50, 100, 100);
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QTest::newRow("r1 top") << path << QRectF(0.1, 0.1, 99, 49) << true;
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QTest::newRow("r1 left") << path << QRectF(0.1, 0.1, 49, 99) << true;
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QTest::newRow("r2 right") << path << QRectF(100.01, 50.1, 49, 99) << true;
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QTest::newRow("r2 bottom") << path << QRectF(50.1, 100.1, 99, 49) << true;
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QTest::newRow("inside 2 rects") << path << QRectF(51, 51, 48, 48) << false;
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path.setFillRule(Qt::WindingFill);
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QTest::newRow("inside 2 rects (winding)") << path << QRectF(51, 51, 48, 48) << true;
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path.addEllipse(0, 0, 150, 150);
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QTest::newRow("topRight 2 rects") << path << QRectF(100, 25, 24, 24) << true;
|
|
QTest::newRow("bottomLeft 2 rects") << path << QRectF(25, 100, 24, 24) << true;
|
|
|
|
QTest::newRow("horizontal line") << linePath(0, 0, 10, 0) << QRectF(1, -1, 2, 2) << true;
|
|
QTest::newRow("vertical line") << linePath(0, 0, 0, 10) << QRectF(-1, 1, 2, 2) << true;
|
|
|
|
path = QPainterPath();
|
|
path.addEllipse(QRectF(-5000.0, -5000.0, 1500000.0, 1500000.0));
|
|
QTest::newRow("huge ellipse, qreal=float crash") << path << QRectF(1100000.35, 1098000.2, 1500000.0, 1500000.0) << true;
|
|
}
|
|
|
|
void tst_QPainterPath::intersects_QRectF()
|
|
{
|
|
QFETCH(QPainterPath, path);
|
|
QFETCH(QRectF, rect);
|
|
QFETCH(bool, intersects);
|
|
|
|
QCOMPARE(path.intersects(rect), intersects);
|
|
}
|
|
|
|
|
|
void tst_QPainterPath::testContainsAndIntersects_data()
|
|
{
|
|
QTest::addColumn<QPainterPath>("path");
|
|
QTest::addColumn<QPainterPath>("candidate");
|
|
QTest::addColumn<bool>("contained");
|
|
QTest::addColumn<bool>("intersects");
|
|
|
|
QTest::newRow("rect vs small ellipse (upper left)") << rectPath(0, 0, 100, 100) << ellipsePath(0, 0, 50, 50) << false << true;
|
|
QTest::newRow("rect vs small ellipse (upper right)") << rectPath(0, 0, 100, 100) << ellipsePath(50, 0, 50, 50) << false << true;
|
|
QTest::newRow("rect vs small ellipse (lower right)") << rectPath(0, 0, 100, 100) << ellipsePath(50, 50, 50, 50) << false << true;
|
|
QTest::newRow("rect vs small ellipse (lower left)") << rectPath(0, 0, 100, 100) << ellipsePath(0, 50, 50, 50) << false << true;
|
|
QTest::newRow("rect vs small ellipse (centered)") << rectPath(0, 0, 100, 100) << ellipsePath(25, 25, 50, 50) << true << true;
|
|
QTest::newRow("rect vs equal ellipse") << rectPath(0, 0, 100, 100) << ellipsePath(0, 0, 100, 100) << false << true;
|
|
QTest::newRow("rect vs big ellipse") << rectPath(0, 0, 100, 100) << ellipsePath(-10, -10, 120, 120) << false << true;
|
|
|
|
QPainterPath twoEllipses = ellipsePath(0, 0, 100, 100).united(ellipsePath(200, 0, 100, 100));
|
|
|
|
QTest::newRow("rect vs two small ellipses") << rectPath(0, 0, 100, 100) << ellipsePath(25, 25, 50, 50).united(ellipsePath(225, 25, 50, 50)) << false << true;
|
|
QTest::newRow("rect vs two equal ellipses") << rectPath(0, 0, 100, 100) << twoEllipses << false << true;
|
|
|
|
QTest::newRow("rect vs self") << rectPath(0, 0, 100, 100) << rectPath(0, 0, 100, 100) << false << true;
|
|
QTest::newRow("ellipse vs self") << ellipsePath(0, 0, 100, 100) << ellipsePath(0, 0, 100, 100) << false << true;
|
|
|
|
QPainterPath twoRects = rectPath(0, 0, 100, 100).united(rectPath(200, 0, 100, 100));
|
|
QTest::newRow("two rects vs small ellipse (upper left)") << twoRects << ellipsePath(0, 0, 50, 50) << false << true;
|
|
QTest::newRow("two rects vs small ellipse (upper right)") << twoRects << ellipsePath(50, 0, 50, 50) << false << true;
|
|
QTest::newRow("two rects vs small ellipse (lower right)") << twoRects << ellipsePath(50, 50, 50, 50) << false << true;
|
|
QTest::newRow("two rects vs small ellipse (lower left)") << twoRects << ellipsePath(0, 50, 50, 50) << false << true;
|
|
QTest::newRow("two rects vs small ellipse (centered)") << twoRects << ellipsePath(25, 25, 50, 50) << true << true;
|
|
QTest::newRow("two rects vs equal ellipse") << twoRects << ellipsePath(0, 0, 100, 100) << false << true;
|
|
QTest::newRow("two rects vs big ellipse") << twoRects << ellipsePath(-10, -10, 120, 120) << false << true;
|
|
|
|
QTest::newRow("two rects vs two small ellipses") << twoRects << ellipsePath(25, 25, 50, 50).united(ellipsePath(225, 25, 50, 50)) << true << true;
|
|
QTest::newRow("two rects vs two equal ellipses") << twoRects << ellipsePath(0, 0, 100, 100).united(ellipsePath(200, 0, 100, 100)) << false << true;
|
|
|
|
QTest::newRow("two rects vs self") << twoRects << twoRects << false << true;
|
|
QTest::newRow("two ellipses vs self") << twoEllipses << twoEllipses << false << true;
|
|
|
|
QPainterPath windingRect = rectPath(0, 0, 100, 100);
|
|
windingRect.addRect(25, 25, 100, 50);
|
|
windingRect.setFillRule(Qt::WindingFill);
|
|
|
|
QTest::newRow("rect with winding rule vs tall rect") << windingRect << rectPath(40, 20, 20, 60) << true << true;
|
|
QTest::newRow("rect with winding rule vs self") << windingRect << windingRect << false << true;
|
|
|
|
QPainterPath thickFrame = rectPath(0, 0, 100, 100).subtracted(rectPath(25, 25, 50, 50));
|
|
QPainterPath thinFrame = rectPath(10, 10, 80, 80).subtracted(rectPath(15, 15, 70, 70));
|
|
|
|
QTest::newRow("thin frame in thick frame") << thickFrame << thinFrame << true << true;
|
|
QTest::newRow("rect in thick frame") << thickFrame << rectPath(40, 40, 20, 20) << false << false;
|
|
QTest::newRow("rect in thin frame") << thinFrame << rectPath(40, 40, 20, 20) << false << false;
|
|
|
|
QPainterPath ellipses;
|
|
ellipses.addEllipse(0, 0, 10, 10);
|
|
ellipses.addEllipse(4, 4, 2, 2);
|
|
ellipses.setFillRule(Qt::WindingFill);
|
|
|
|
// the definition of QPainterPath::intersects() and contains() is fill-area based,
|
|
QTest::newRow("line in rect") << rectPath(0, 0, 100, 100) << linePath(10, 10, 90, 90) << true << true;
|
|
QTest::newRow("horizontal line in rect") << rectPath(0, 0, 100, 100) << linePath(10, 50, 90, 50) << true << true;
|
|
QTest::newRow("vertical line in rect") << rectPath(0, 0, 100, 100) << linePath(50, 10, 50, 90) << true << true;
|
|
|
|
QTest::newRow("line through rect") << rectPath(0, 0, 100, 100) << linePath(-10, -10, 110, 110) << false << true;
|
|
QTest::newRow("line through rect 2") << rectPath(0, 0, 100, 100) << linePath(-10, 0, 110, 100) << false << true;
|
|
QTest::newRow("line through rect 3") << rectPath(0, 0, 100, 100) << linePath(5, 10, 110, 100) << false << true;
|
|
QTest::newRow("line through rect 4") << rectPath(0, 0, 100, 100) << linePath(-10, 0, 90, 90) << false << true;
|
|
|
|
QTest::newRow("horizontal line through rect") << rectPath(0, 0, 100, 100) << linePath(-10, 50, 110, 50) << false << true;
|
|
QTest::newRow("vertical line through rect") << rectPath(0, 0, 100, 100) << linePath(50, -10, 50, 110) << false << true;
|
|
|
|
QTest::newRow("line vs line") << linePath(0, 0, 10, 10) << linePath(10, 0, 0, 10) << false << true;
|
|
|
|
QTest::newRow("line in rect with hole") << rectPath(0, 0, 10, 10).subtracted(rectPath(2, 2, 6, 6)) << linePath(4, 4, 6, 6) << false << false;
|
|
QTest::newRow("line in ellipse") << ellipses << linePath(3, 5, 7, 5) << false << true;
|
|
QTest::newRow("line in ellipse 2") << ellipses << linePath(4.5, 5, 5.5, 5) << true << true;
|
|
|
|
QTest::newRow("winding ellipse") << ellipses << ellipsePath(4, 4, 2, 2) << false << true;
|
|
QTest::newRow("winding ellipse 2") << ellipses << ellipsePath(4.5, 4.5, 1, 1) << true << true;
|
|
ellipses.setFillRule(Qt::OddEvenFill);
|
|
QTest::newRow("odd even ellipse") << ellipses << ellipsePath(4, 4, 2, 2) << false << true;
|
|
QTest::newRow("odd even ellipse 2") << ellipses << ellipsePath(4.5, 4.5, 1, 1) << false << false;
|
|
}
|
|
|
|
void tst_QPainterPath::testContainsAndIntersects()
|
|
{
|
|
QFETCH(QPainterPath, path);
|
|
QFETCH(QPainterPath, candidate);
|
|
QFETCH(bool, contained);
|
|
QFETCH(bool, intersects);
|
|
|
|
QCOMPARE(path.intersects(candidate), intersects);
|
|
QCOMPARE(path.contains(candidate), contained);
|
|
}
|
|
|
|
void tst_QPainterPath::testSimplified_data()
|
|
{
|
|
QTest::addColumn<QPainterPath>("path");
|
|
QTest::addColumn<int>("elements");
|
|
|
|
QTest::newRow("rect") << rectPath(0, 0, 10, 10) << 5;
|
|
|
|
QPainterPath twoRects = rectPath(0, 0, 10, 10);
|
|
twoRects.addPath(rectPath(5, 0, 10, 10));
|
|
QTest::newRow("two rects (odd)") << twoRects << 10;
|
|
|
|
twoRects.setFillRule(Qt::WindingFill);
|
|
QTest::newRow("two rects (winding)") << twoRects << 5;
|
|
|
|
QPainterPath threeSteps = rectPath(0, 0, 10, 10);
|
|
threeSteps.addPath(rectPath(0, 10, 20, 10));
|
|
threeSteps.addPath(rectPath(0, 20, 30, 10));
|
|
|
|
QTest::newRow("three rects (steps)") << threeSteps << 9;
|
|
}
|
|
|
|
void tst_QPainterPath::testSimplified()
|
|
{
|
|
QFETCH(QPainterPath, path);
|
|
QFETCH(int, elements);
|
|
|
|
QPainterPath simplified = path.simplified();
|
|
|
|
QCOMPARE(simplified.elementCount(), elements);
|
|
|
|
QVERIFY(simplified.subtracted(path).isEmpty());
|
|
QVERIFY(path.subtracted(simplified).isEmpty());
|
|
}
|
|
|
|
void tst_QPainterPath::testStroker_data()
|
|
{
|
|
QTest::addColumn<QPainterPath>("path");
|
|
QTest::addColumn<QPen>("pen");
|
|
QTest::addColumn<QPainterPath>("stroke");
|
|
|
|
QTest::newRow("line 1") << linePath(2, 2, 10, 2) << QPen(Qt::black, 2, Qt::SolidLine, Qt::FlatCap) << rectPath(2, 1, 8, 2);
|
|
QTest::newRow("line 2") << linePath(2, 2, 10, 2) << QPen(Qt::black, 2, Qt::SolidLine, Qt::SquareCap) << rectPath(1, 1, 10, 2);
|
|
|
|
QTest::newRow("rect") << rectPath(1, 1, 8, 8) << QPen(Qt::black, 2, Qt::SolidLine, Qt::SquareCap, Qt::MiterJoin) << rectPath(0, 0, 10, 10).subtracted(rectPath(2, 2, 6, 6));
|
|
|
|
QTest::newRow("dotted line") << linePath(0, 0, 10, 0) << QPen(Qt::black, 2, Qt::DotLine) << rectPath(-1, -1, 4, 2).united(rectPath(5, -1, 4, 2));
|
|
}
|
|
|
|
void tst_QPainterPath::testStroker()
|
|
{
|
|
QFETCH(QPainterPath, path);
|
|
QFETCH(QPen, pen);
|
|
QFETCH(QPainterPath, stroke);
|
|
|
|
QPainterPathStroker stroker;
|
|
stroker.setWidth(pen.widthF());
|
|
stroker.setCapStyle(pen.capStyle());
|
|
stroker.setJoinStyle(pen.joinStyle());
|
|
stroker.setMiterLimit(pen.miterLimit());
|
|
stroker.setDashPattern(pen.style());
|
|
stroker.setDashOffset(pen.dashOffset());
|
|
|
|
QPainterPath result = stroker.createStroke(path);
|
|
|
|
// check if stroke == result
|
|
QVERIFY(result.subtracted(stroke).isEmpty());
|
|
QVERIFY(stroke.subtracted(result).isEmpty());
|
|
}
|
|
|
|
void tst_QPainterPath::testOperatorEquals()
|
|
{
|
|
QPainterPath empty1;
|
|
QPainterPath empty2;
|
|
QVERIFY(empty1 == empty2);
|
|
|
|
QPainterPath rect1;
|
|
rect1.addRect(100, 100, 100, 100);
|
|
QVERIFY(rect1 == rect1);
|
|
QVERIFY(rect1 != empty1);
|
|
|
|
QPainterPath rect2;
|
|
rect2.addRect(100, 100, 100, 100);
|
|
QVERIFY(rect1 == rect2);
|
|
|
|
rect2.setFillRule(Qt::WindingFill);
|
|
QVERIFY(rect1 != rect2);
|
|
|
|
QPainterPath ellipse1;
|
|
ellipse1.addEllipse(50, 50, 100, 100);
|
|
QVERIFY(rect1 != ellipse1);
|
|
|
|
QPainterPath ellipse2;
|
|
ellipse2.addEllipse(50, 50, 100, 100);
|
|
QVERIFY(ellipse1 == ellipse2);
|
|
}
|
|
|
|
void tst_QPainterPath::testOperatorEquals_fuzzy()
|
|
{
|
|
// if operator== returns true for two paths it should
|
|
// also return true when the same transform is applied to both paths
|
|
{
|
|
QRectF a(100, 100, 100, 50);
|
|
QRectF b = a.translated(1e-14, 1e-14);
|
|
|
|
QPainterPath pa;
|
|
pa.addRect(a);
|
|
QPainterPath pb;
|
|
pb.addRect(b);
|
|
|
|
QVERIFY(pa == pb);
|
|
|
|
QTransform transform;
|
|
transform.translate(-100, -100);
|
|
|
|
QVERIFY(transform.map(pa) == transform.map(pb));
|
|
}
|
|
|
|
// higher tolerance for error when path's bounding rect is big
|
|
{
|
|
QRectF a(1, 1, 1e6, 0.5e6);
|
|
QRectF b = a.translated(1e-7, 1e-7);
|
|
|
|
QPainterPath pa;
|
|
pa.addRect(a);
|
|
QPainterPath pb;
|
|
pb.addRect(b);
|
|
|
|
QVERIFY(pa == pb);
|
|
|
|
QTransform transform;
|
|
transform.translate(-1, -1);
|
|
|
|
QVERIFY(transform.map(pa) == transform.map(pb));
|
|
}
|
|
|
|
// operator== should return true for a path that has
|
|
// been transformed and then inverse transformed
|
|
{
|
|
QPainterPath a;
|
|
a.addRect(0, 0, 100, 100);
|
|
|
|
QTransform transform;
|
|
transform.translate(100, 20);
|
|
transform.scale(1.5, 1.5);
|
|
|
|
QPainterPath b = transform.inverted().map(transform.map(a));
|
|
|
|
QVERIFY(a == b);
|
|
}
|
|
|
|
{
|
|
QPainterPath a;
|
|
a.lineTo(10, 0);
|
|
a.lineTo(10, 10);
|
|
a.lineTo(0, 10);
|
|
|
|
QPainterPath b;
|
|
b.lineTo(10, 0);
|
|
b.moveTo(10, 10);
|
|
b.lineTo(0, 10);
|
|
|
|
QVERIFY(a != b);
|
|
}
|
|
}
|
|
|
|
void tst_QPainterPath::testOperatorDatastream()
|
|
{
|
|
QPainterPath path;
|
|
path.addEllipse(0, 0, 100, 100);
|
|
path.addRect(0, 0, 100, 100);
|
|
path.setFillRule(Qt::WindingFill);
|
|
|
|
// Write out
|
|
{
|
|
QFile data("data");
|
|
bool ok = data.open(QFile::WriteOnly);
|
|
QVERIFY(ok);
|
|
QDataStream stream(&data);
|
|
stream << path;
|
|
}
|
|
|
|
QPainterPath other;
|
|
// Read in
|
|
{
|
|
QFile data("data");
|
|
bool ok = data.open(QFile::ReadOnly);
|
|
QVERIFY(ok);
|
|
QDataStream stream(&data);
|
|
stream >> other;
|
|
}
|
|
|
|
QVERIFY(other == path);
|
|
}
|
|
|
|
void tst_QPainterPath::closing()
|
|
{
|
|
// lineto's
|
|
{
|
|
QPainterPath triangle(QPoint(100, 100));
|
|
|
|
triangle.lineTo(200, 100);
|
|
triangle.lineTo(200, 200);
|
|
QCOMPARE(triangle.elementCount(), 3);
|
|
|
|
triangle.closeSubpath();
|
|
QCOMPARE(triangle.elementCount(), 4);
|
|
QCOMPARE(triangle.elementAt(3).type, QPainterPath::LineToElement);
|
|
|
|
triangle.moveTo(300, 300);
|
|
QCOMPARE(triangle.elementCount(), 5);
|
|
QCOMPARE(triangle.elementAt(4).type, QPainterPath::MoveToElement);
|
|
|
|
triangle.lineTo(400, 300);
|
|
triangle.lineTo(400, 400);
|
|
QCOMPARE(triangle.elementCount(), 7);
|
|
|
|
triangle.closeSubpath();
|
|
QCOMPARE(triangle.elementCount(), 8);
|
|
|
|
// this will should trigger implicit moveto...
|
|
triangle.lineTo(600, 300);
|
|
QCOMPARE(triangle.elementCount(), 10);
|
|
QCOMPARE(triangle.elementAt(8).type, QPainterPath::MoveToElement);
|
|
QCOMPARE(triangle.elementAt(9).type, QPainterPath::LineToElement);
|
|
|
|
triangle.lineTo(600, 700);
|
|
QCOMPARE(triangle.elementCount(), 11);
|
|
}
|
|
|
|
// curveto's
|
|
{
|
|
QPainterPath curves(QPoint(100, 100));
|
|
|
|
curves.cubicTo(200, 100, 100, 200, 200, 200);
|
|
QCOMPARE(curves.elementCount(), 4);
|
|
|
|
curves.closeSubpath();
|
|
QCOMPARE(curves.elementCount(), 5);
|
|
QCOMPARE(curves.elementAt(4).type, QPainterPath::LineToElement);
|
|
|
|
curves.moveTo(300, 300);
|
|
QCOMPARE(curves.elementCount(), 6);
|
|
QCOMPARE(curves.elementAt(5).type, QPainterPath::MoveToElement);
|
|
|
|
curves.cubicTo(400, 300, 300, 400, 400, 400);
|
|
QCOMPARE(curves.elementCount(), 9);
|
|
|
|
curves.closeSubpath();
|
|
QCOMPARE(curves.elementCount(), 10);
|
|
|
|
// should trigger implicit moveto..
|
|
curves.cubicTo(100, 800, 800, 100, 800, 800);
|
|
QCOMPARE(curves.elementCount(), 14);
|
|
QCOMPARE(curves.elementAt(10).type, QPainterPath::MoveToElement);
|
|
QCOMPARE(curves.elementAt(11).type, QPainterPath::CurveToElement);
|
|
}
|
|
|
|
{
|
|
QPainterPath rects;
|
|
rects.addRect(100, 100, 100, 100);
|
|
|
|
QCOMPARE(rects.elementCount(), 5);
|
|
QCOMPARE(rects.elementAt(0).type, QPainterPath::MoveToElement);
|
|
QCOMPARE(rects.elementAt(4).type, QPainterPath::LineToElement);
|
|
|
|
rects.addRect(300, 100, 100,100);
|
|
QCOMPARE(rects.elementCount(), 10);
|
|
QCOMPARE(rects.elementAt(5).type, QPainterPath::MoveToElement);
|
|
QCOMPARE(rects.elementAt(9).type, QPainterPath::LineToElement);
|
|
|
|
rects.lineTo(0, 0);
|
|
QCOMPARE(rects.elementCount(), 12);
|
|
QCOMPARE(rects.elementAt(10).type, QPainterPath::MoveToElement);
|
|
QCOMPARE(rects.elementAt(11).type, QPainterPath::LineToElement);
|
|
}
|
|
|
|
{
|
|
QPainterPath ellipses;
|
|
ellipses.addEllipse(100, 100, 100, 100);
|
|
|
|
QCOMPARE(ellipses.elementCount(), 13);
|
|
QCOMPARE(ellipses.elementAt(0).type, QPainterPath::MoveToElement);
|
|
QCOMPARE(ellipses.elementAt(10).type, QPainterPath::CurveToElement);
|
|
|
|
ellipses.addEllipse(300, 100, 100,100);
|
|
QCOMPARE(ellipses.elementCount(), 26);
|
|
QCOMPARE(ellipses.elementAt(13).type, QPainterPath::MoveToElement);
|
|
QCOMPARE(ellipses.elementAt(23).type, QPainterPath::CurveToElement);
|
|
|
|
ellipses.lineTo(0, 0);
|
|
QCOMPARE(ellipses.elementCount(), 28);
|
|
QCOMPARE(ellipses.elementAt(26).type, QPainterPath::MoveToElement);
|
|
QCOMPARE(ellipses.elementAt(27).type, QPainterPath::LineToElement);
|
|
}
|
|
|
|
{
|
|
QPainterPath path;
|
|
path.moveTo(10, 10);
|
|
path.lineTo(40, 10);
|
|
path.lineTo(25, 20);
|
|
path.lineTo(10 + 1e-13, 10 + 1e-13);
|
|
QCOMPARE(path.elementCount(), 4);
|
|
path.closeSubpath();
|
|
QCOMPARE(path.elementCount(), 4);
|
|
}
|
|
}
|
|
|
|
void tst_QPainterPath::testArcMoveTo_data()
|
|
{
|
|
QTest::addColumn<QRectF>("rect");
|
|
QTest::addColumn<qreal>("angle");
|
|
|
|
QList<QRectF> rects;
|
|
rects << QRectF(100, 100, 100, 100)
|
|
<< QRectF(100, 100, -100, 100)
|
|
<< QRectF(100, 100, 100, -100)
|
|
<< QRectF(100, 100, -100, -100);
|
|
|
|
for (int domain=0; domain<rects.size(); ++domain) {
|
|
for (int i=-360; i<=360; ++i) {
|
|
QTest::newRow("test") << rects.at(domain) << (qreal) i;
|
|
}
|
|
|
|
// test low angles
|
|
QTest::newRow("test") << rects.at(domain) << (qreal) 1e-10;
|
|
QTest::newRow("test") << rects.at(domain) << (qreal)-1e-10;
|
|
}
|
|
}
|
|
|
|
void tst_QPainterPath::operators_data()
|
|
{
|
|
QTest::addColumn<QPainterPath>("test");
|
|
QTest::addColumn<QPainterPath>("expected");
|
|
|
|
QPainterPath a;
|
|
QPainterPath b;
|
|
a.addRect(0, 0, 100, 100);
|
|
b.addRect(50, 50, 100, 100);
|
|
|
|
QTest::newRow("a & b") << (a & b) << a.intersected(b);
|
|
QTest::newRow("a | b") << (a | b) << a.united(b);
|
|
QTest::newRow("a + b") << (a + b) << a.united(b);
|
|
QTest::newRow("a - b") << (a - b) << a.subtracted(b);
|
|
|
|
QPainterPath c = a;
|
|
QTest::newRow("a &= b") << (a &= b) << a.intersected(b);
|
|
c = a;
|
|
QTest::newRow("a |= b") << (a |= b) << a.united(b);
|
|
c = a;
|
|
QTest::newRow("a += b") << (a += b) << a.united(b);
|
|
c = a;
|
|
QTest::newRow("a -= b") << (a -= b) << a.subtracted(b);
|
|
}
|
|
|
|
void tst_QPainterPath::operators()
|
|
{
|
|
QFETCH(QPainterPath, test);
|
|
QFETCH(QPainterPath, expected);
|
|
|
|
QCOMPARE(test, expected);
|
|
}
|
|
|
|
#ifndef M_PI
|
|
#define M_PI 3.14159265358979323846
|
|
#endif
|
|
#define ANGLE(t) ((t) * 2 * M_PI / 360.0)
|
|
|
|
|
|
static inline bool pathFuzzyCompare(double p1, double p2)
|
|
{
|
|
return qAbs(p1 - p2) < 0.001;
|
|
}
|
|
|
|
|
|
static inline bool pathFuzzyCompare(float p1, float p2)
|
|
{
|
|
return qAbs(p1 - p2) < 0.001;
|
|
}
|
|
|
|
|
|
void tst_QPainterPath::testArcMoveTo()
|
|
{
|
|
QFETCH(QRectF, rect);
|
|
QFETCH(qreal, angle);
|
|
|
|
QPainterPath path;
|
|
path.arcMoveTo(rect, angle);
|
|
path.arcTo(rect, angle, 30);
|
|
path.arcTo(rect, angle + 30, 30);
|
|
|
|
QPointF pos = path.elementAt(0);
|
|
|
|
QVERIFY((path.elementCount()-1) % 3 == 0);
|
|
|
|
qreal x_radius = rect.width() / 2.0;
|
|
qreal y_radius = rect.height() / 2.0;
|
|
|
|
QPointF shouldBe = rect.center()
|
|
+ QPointF(x_radius * cos(ANGLE(angle)), -y_radius * sin(ANGLE(angle)));
|
|
|
|
qreal iw = 1 / rect.width();
|
|
qreal ih = 1 / rect.height();
|
|
|
|
QVERIFY(pathFuzzyCompare(pos.x() * iw, shouldBe.x() * iw));
|
|
QVERIFY(pathFuzzyCompare(pos.y() * ih, shouldBe.y() * ih));
|
|
}
|
|
|
|
void tst_QPainterPath::testOnPath_data()
|
|
{
|
|
QTest::addColumn<QPainterPath>("path");
|
|
QTest::addColumn<qreal>("start");
|
|
QTest::addColumn<qreal>("middle");
|
|
QTest::addColumn<qreal>("end");
|
|
|
|
QPainterPath path = QPainterPath(QPointF(153, 199));
|
|
path.cubicTo(QPointF(147, 61), QPointF(414, 18),
|
|
QPointF(355, 201));
|
|
|
|
QTest::newRow("First case") << path
|
|
<< qreal(93.0)
|
|
<< qreal(4.0)
|
|
<< qreal(252.13);
|
|
|
|
path = QPainterPath(QPointF(328, 197));
|
|
path.cubicTo(QPointF(150, 50), QPointF(401, 50),
|
|
QPointF(225, 197));
|
|
QTest::newRow("Second case") << path
|
|
<< qreal(140.0)
|
|
<< qreal(0.0)
|
|
<< qreal(220.0);
|
|
|
|
path = QPainterPath(QPointF(328, 197));
|
|
path.cubicTo(QPointF(101 , 153), QPointF(596, 151),
|
|
QPointF(353, 197));
|
|
QTest::newRow("Third case") << path
|
|
<< qreal(169.0)
|
|
<< qreal(0.22)
|
|
<< qreal(191.0);
|
|
|
|
path = QPainterPath(QPointF(153, 199));
|
|
path.cubicTo(QPointF(59, 53), QPointF(597, 218),
|
|
QPointF(355, 201));
|
|
QTest::newRow("Fourth case") << path
|
|
<< qreal(122.0)
|
|
<< qreal(348.0)
|
|
<< qreal(175.0);
|
|
|
|
}
|
|
|
|
#define SIGN(x) ((x < 0)?-1:1)
|
|
void tst_QPainterPath::testOnPath()
|
|
{
|
|
QFETCH(QPainterPath, path);
|
|
QFETCH(qreal, start);
|
|
QFETCH(qreal, middle);
|
|
QFETCH(qreal, end);
|
|
|
|
int signStart = SIGN(start);
|
|
int signMid = SIGN(middle);
|
|
int signEnd = SIGN(end);
|
|
|
|
static const qreal diff = 3;
|
|
|
|
qreal angle = path.angleAtPercent(0);
|
|
QCOMPARE(SIGN(angle), signStart);
|
|
QVERIFY(qAbs(angle-start) < diff);
|
|
|
|
angle = path.angleAtPercent(0.5);
|
|
QCOMPARE(SIGN(angle), signMid);
|
|
QVERIFY(qAbs(angle-middle) < diff);
|
|
|
|
angle = path.angleAtPercent(1);
|
|
QCOMPARE(SIGN(angle), signEnd);
|
|
QVERIFY(qAbs(angle-end) < diff);
|
|
}
|
|
|
|
void tst_QPainterPath::pointAtPercent_data()
|
|
{
|
|
QTest::addColumn<QPainterPath>("path");
|
|
QTest::addColumn<qreal>("percent");
|
|
QTest::addColumn<QPointF>("point");
|
|
|
|
QPainterPath path;
|
|
path.lineTo(100, 0);
|
|
|
|
QTest::newRow("Case 1") << path << qreal(0.2) << QPointF(20, 0);
|
|
QTest::newRow("Case 2") << path << qreal(0.5) << QPointF(50, 0);
|
|
QTest::newRow("Case 3") << path << qreal(0.0) << QPointF(0, 0);
|
|
QTest::newRow("Case 4") << path << qreal(1.0) << QPointF(100, 0);
|
|
|
|
path = QPainterPath();
|
|
path.lineTo(0, 100);
|
|
|
|
QTest::newRow("Case 5") << path << qreal(0.2) << QPointF(0, 20);
|
|
QTest::newRow("Case 6") << path << qreal(0.5) << QPointF(0, 50);
|
|
QTest::newRow("Case 7") << path << qreal(0.0) << QPointF(0, 0);
|
|
QTest::newRow("Case 8") << path << qreal(1.0) << QPointF(0, 100);
|
|
|
|
path.lineTo(300, 100);
|
|
|
|
QTest::newRow("Case 9") << path << qreal(0.25) << QPointF(0, 100);
|
|
QTest::newRow("Case 10") << path << qreal(0.5) << QPointF(100, 100);
|
|
QTest::newRow("Case 11") << path << qreal(0.75) << QPointF(200, 100);
|
|
|
|
path = QPainterPath();
|
|
path.addEllipse(0, 0, 100, 100);
|
|
|
|
QTest::newRow("Case 12") << path << qreal(0.0) << QPointF(100, 50);
|
|
QTest::newRow("Case 13") << path << qreal(0.25) << QPointF(50, 100);
|
|
QTest::newRow("Case 14") << path << qreal(0.5) << QPointF(0, 50);
|
|
QTest::newRow("Case 15") << path << qreal(0.75) << QPointF(50, 0);
|
|
QTest::newRow("Case 16") << path << qreal(1.0) << QPointF(100, 50);
|
|
|
|
path = QPainterPath();
|
|
QRectF rect(241, 273, 185, 228);
|
|
path.addEllipse(rect);
|
|
QTest::newRow("Case 17") << path << qreal(1.0) << QPointF(rect.right(), qreal(0.5) * (rect.top() + rect.bottom()));
|
|
|
|
path = QPainterPath();
|
|
path.moveTo(100, 100);
|
|
QTest::newRow("Case 18") << path << qreal(0.0) << QPointF(100, 100);
|
|
QTest::newRow("Case 19") << path << qreal(1.0) << QPointF(100, 100);
|
|
}
|
|
|
|
void tst_QPainterPath::pointAtPercent()
|
|
{
|
|
QFETCH(QPainterPath, path);
|
|
QFETCH(qreal, percent);
|
|
QFETCH(QPointF, point);
|
|
|
|
QPointF result = path.pointAtPercent(percent);
|
|
QVERIFY(pathFuzzyCompare(point.x() , result.x()));
|
|
QVERIFY(pathFuzzyCompare(point.y() , result.y()));
|
|
}
|
|
|
|
void tst_QPainterPath::setElementPositionAt()
|
|
{
|
|
QPainterPath path(QPointF(42., 42.));
|
|
QCOMPARE(path.elementCount(), 1);
|
|
QVERIFY(path.elementAt(0).type == QPainterPath::MoveToElement);
|
|
QCOMPARE(path.elementAt(0).x, qreal(42.));
|
|
QCOMPARE(path.elementAt(0).y, qreal(42.));
|
|
|
|
QPainterPath copy = path;
|
|
copy.setElementPositionAt(0, qreal(0), qreal(0));
|
|
QCOMPARE(copy.elementCount(), 1);
|
|
QVERIFY(copy.elementAt(0).type == QPainterPath::MoveToElement);
|
|
QCOMPARE(copy.elementAt(0).x, qreal(0));
|
|
QCOMPARE(copy.elementAt(0).y, qreal(0));
|
|
|
|
QCOMPARE(path.elementCount(), 1);
|
|
QVERIFY(path.elementAt(0).type == QPainterPath::MoveToElement);
|
|
QCOMPARE(path.elementAt(0).x, qreal(42.));
|
|
QCOMPARE(path.elementAt(0).y, qreal(42.));
|
|
}
|
|
|
|
void tst_QPainterPath::angleAtPercent()
|
|
{
|
|
for (int angle = 0; angle < 360; ++angle) {
|
|
QLineF line = QLineF::fromPolar(100, angle);
|
|
QPainterPath path;
|
|
path.moveTo(line.p1());
|
|
path.lineTo(line.p2());
|
|
|
|
QCOMPARE(path.angleAtPercent(0.5), line.angle());
|
|
}
|
|
}
|
|
|
|
void tst_QPainterPath::arcWinding_data()
|
|
{
|
|
QTest::addColumn<QPainterPath>("path");
|
|
QTest::addColumn<QPointF>("point");
|
|
QTest::addColumn<bool>("inside");
|
|
|
|
QPainterPath a;
|
|
a.addEllipse(0, 0, 100, 100);
|
|
a.addRect(50, 50, 100, 100);
|
|
|
|
QTest::newRow("Case A (oddeven)") << a << QPointF(55, 55) << false;
|
|
a.setFillRule(Qt::WindingFill);
|
|
QTest::newRow("Case A (winding)") << a << QPointF(55, 55) << true;
|
|
|
|
QPainterPath b;
|
|
b.arcMoveTo(0, 0, 100, 100, 10);
|
|
b.arcTo(0, 0, 100, 100, 10, 360);
|
|
b.addRect(50, 50, 100, 100);
|
|
|
|
QTest::newRow("Case B (oddeven)") << b << QPointF(55, 55) << false;
|
|
b.setFillRule(Qt::WindingFill);
|
|
QTest::newRow("Case B (winding)") << b << QPointF(55, 55) << false;
|
|
|
|
QPainterPath c;
|
|
c.arcMoveTo(0, 0, 100, 100, 0);
|
|
c.arcTo(0, 0, 100, 100, 0, 360);
|
|
c.addRect(50, 50, 100, 100);
|
|
|
|
QTest::newRow("Case C (oddeven)") << c << QPointF(55, 55) << false;
|
|
c.setFillRule(Qt::WindingFill);
|
|
QTest::newRow("Case C (winding)") << c << QPointF(55, 55) << false;
|
|
|
|
QPainterPath d;
|
|
d.arcMoveTo(0, 0, 100, 100, 10);
|
|
d.arcTo(0, 0, 100, 100, 10, -360);
|
|
d.addRect(50, 50, 100, 100);
|
|
|
|
QTest::newRow("Case D (oddeven)") << d << QPointF(55, 55) << false;
|
|
d.setFillRule(Qt::WindingFill);
|
|
QTest::newRow("Case D (winding)") << d << QPointF(55, 55) << true;
|
|
|
|
QPainterPath e;
|
|
e.arcMoveTo(0, 0, 100, 100, 0);
|
|
e.arcTo(0, 0, 100, 100, 0, -360);
|
|
e.addRect(50, 50, 100, 100);
|
|
|
|
QTest::newRow("Case E (oddeven)") << e << QPointF(55, 55) << false;
|
|
e.setFillRule(Qt::WindingFill);
|
|
QTest::newRow("Case E (winding)") << e << QPointF(55, 55) << true;
|
|
}
|
|
|
|
void tst_QPainterPath::arcWinding()
|
|
{
|
|
QFETCH(QPainterPath, path);
|
|
QFETCH(QPointF, point);
|
|
QFETCH(bool, inside);
|
|
|
|
QCOMPARE(path.contains(point), inside);
|
|
}
|
|
|
|
void tst_QPainterPath::testToFillPolygons()
|
|
{
|
|
QPainterPath path;
|
|
path.lineTo(QPointF(0, 50));
|
|
path.lineTo(QPointF(50, 50));
|
|
|
|
path.moveTo(QPointF(70, 50));
|
|
path.lineTo(QPointF(70, 100));
|
|
path.lineTo(QPointF(40, 100));
|
|
|
|
const QList<QPolygonF> polygons = path.toFillPolygons();
|
|
QCOMPARE(polygons.size(), 2);
|
|
QCOMPARE(polygons.first().count(QPointF(70, 50)), 0);
|
|
}
|
|
|
|
void tst_QPainterPath::testNaNandInfinites()
|
|
{
|
|
QPainterPath path1;
|
|
QPainterPath path2 = path1;
|
|
|
|
QPointF p1 = QPointF(qSNaN(), 1);
|
|
QPointF p2 = QPointF(qQNaN(), 1);
|
|
QPointF p3 = QPointF(qQNaN(), 1);
|
|
QPointF pInf = QPointF(qInf(), 1);
|
|
|
|
// all these operations with NaN/Inf should be ignored
|
|
// can't test operator>> reliably, as we can't create a path with NaN to << later
|
|
|
|
path1.moveTo(p1);
|
|
path1.moveTo(qSNaN(), qQNaN());
|
|
path1.moveTo(pInf);
|
|
|
|
path1.lineTo(p1);
|
|
path1.lineTo(qSNaN(), qQNaN());
|
|
path1.lineTo(pInf);
|
|
|
|
path1.cubicTo(p1, p2, p3);
|
|
path1.cubicTo(p1, QPointF(1, 1), QPointF(2, 2));
|
|
path1.cubicTo(pInf, QPointF(10, 10), QPointF(5, 1));
|
|
|
|
path1.quadTo(p1, p2);
|
|
path1.quadTo(QPointF(1, 1), p3);
|
|
path1.quadTo(QPointF(1, 1), pInf);
|
|
|
|
path1.arcTo(QRectF(p1, p2), 5, 5);
|
|
path1.arcTo(QRectF(pInf, QPointF(1, 1)), 5, 5);
|
|
|
|
path1.addRect(QRectF(p1, p2));
|
|
path1.addRect(QRectF(pInf, QPointF(1, 1)));
|
|
|
|
path1.addEllipse(QRectF(p1, p2));
|
|
path1.addEllipse(QRectF(pInf, QPointF(1, 1)));
|
|
|
|
QCOMPARE(path1, path2);
|
|
|
|
path1.lineTo(QPointF(1, 1));
|
|
QVERIFY(path1 != path2);
|
|
}
|
|
|
|
void tst_QPainterPath::connectPathDuplicatePoint()
|
|
{
|
|
QPainterPath a;
|
|
a.moveTo(10, 10);
|
|
a.lineTo(20, 20);
|
|
|
|
QPainterPath b;
|
|
b.moveTo(20, 20);
|
|
b.lineTo(30, 10);
|
|
|
|
a.connectPath(b);
|
|
|
|
QPainterPath c;
|
|
c.moveTo(10, 10);
|
|
c.lineTo(20, 20);
|
|
c.lineTo(30, 10);
|
|
|
|
QCOMPARE(c, a);
|
|
}
|
|
|
|
void tst_QPainterPath::connectPathMoveTo()
|
|
{
|
|
QPainterPath path1;
|
|
QPainterPath path2;
|
|
QPainterPath path3;
|
|
QPainterPath path4;
|
|
|
|
path1.moveTo(1,1);
|
|
|
|
path2.moveTo(4,4);
|
|
path2.lineTo(5,6);
|
|
path2.lineTo(6,7);
|
|
|
|
path3.connectPath(path2);
|
|
|
|
path4.lineTo(5,5);
|
|
|
|
path1.connectPath(path2);
|
|
|
|
QVERIFY(path1.elementAt(0).type == QPainterPath::MoveToElement);
|
|
QVERIFY(path2.elementAt(0).type == QPainterPath::MoveToElement);
|
|
QVERIFY(path3.elementAt(0).type == QPainterPath::MoveToElement);
|
|
QVERIFY(path4.elementAt(0).type == QPainterPath::MoveToElement);
|
|
}
|
|
|
|
void tst_QPainterPath::translate()
|
|
{
|
|
QPainterPath path;
|
|
|
|
// Path with no elements.
|
|
QCOMPARE(path.currentPosition(), QPointF());
|
|
path.translate(50.5, 50.5);
|
|
QCOMPARE(path.currentPosition(), QPointF());
|
|
QCOMPARE(path.translated(50.5, 50.5).currentPosition(), QPointF());
|
|
|
|
// path.isEmpty(), but we have one MoveTo element that should be translated.
|
|
path.moveTo(50, 50);
|
|
QCOMPARE(path.currentPosition(), QPointF(50, 50));
|
|
path.translate(99.9, 99.9);
|
|
QCOMPARE(path.currentPosition(), QPointF(149.9, 149.9));
|
|
path.translate(-99.9, -99.9);
|
|
QCOMPARE(path.currentPosition(), QPointF(50, 50));
|
|
QCOMPARE(path.translated(-50, -50).currentPosition(), QPointF(0, 0));
|
|
|
|
// Complex path.
|
|
QRegion shape(100, 100, 300, 200, QRegion::Ellipse);
|
|
shape -= QRect(225, 175, 50, 50);
|
|
QPainterPath complexPath;
|
|
complexPath.addRegion(shape);
|
|
QVector<QPointF> untranslatedElements;
|
|
for (int i = 0; i < complexPath.elementCount(); ++i)
|
|
untranslatedElements.append(QPointF(complexPath.elementAt(i)));
|
|
|
|
const QPainterPath untranslatedComplexPath(complexPath);
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const QPointF offset(100, 100);
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complexPath.translate(offset);
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for (int i = 0; i < complexPath.elementCount(); ++i)
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QCOMPARE(QPointF(complexPath.elementAt(i)) - offset, untranslatedElements.at(i));
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QCOMPARE(complexPath.translated(-offset), untranslatedComplexPath);
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}
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void tst_QPainterPath::lineWithinBounds()
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{
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const int iteration_count = 3;
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volatile const qreal yVal = 0.5;
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QPointF a(0.0, yVal);
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QPointF b(1000.0, yVal);
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QPointF c(2000.0, yVal);
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QPointF d(3000.0, yVal);
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QPainterPath path;
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path.moveTo(QPointF(0, yVal));
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path.cubicTo(QPointF(1000.0, yVal), QPointF(2000.0, yVal), QPointF(3000.0, yVal));
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for(int i=0; i<=iteration_count; i++) {
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qreal actual = path.pointAtPercent(qreal(i) / iteration_count).y();
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QVERIFY(actual == yVal); // don't use QCOMPARE, don't want fuzzy comparison
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}
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}
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QTEST_APPLESS_MAIN(tst_QPainterPath)
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#include "tst_qpainterpath.moc"
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