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qt5base-lts/tests/auto/gui/painting/qpainterpath/tst_qpainterpath.cpp
Jani Heikkinen f776595cc1 Updated license headers 
From Qt 5.7 -> tools & applications are lisenced under GPL v3 with some
exceptions, see
http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/

Updated license headers to use new GPL-EXCEPT header instead of LGPL21 one
(in those files which will be under GPL 3 with exceptions)

Change-Id: I42a473ddc97101492a60b9287d90979d9eb35ae1
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
2016-01-21 18:55:18 +00:00

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qfile.h>
#include <qpainterpath.h>
#include <qpen.h>
#include <qmath.h>
class tst_QPainterPath : public QObject
{
Q_OBJECT
public:
public slots:
void cleanupTestCase();
private slots:
void getSetCheck();
void swap();
void contains_QPointF_data();
void contains_QPointF();
void contains_QRectF_data();
void contains_QRectF();
void intersects_QRectF_data();
void intersects_QRectF();
void testContainsAndIntersects_data();
void testContainsAndIntersects();
void testSimplified_data();
void testSimplified();
void testStroker_data();
void testStroker();
void currentPosition();
void testOperatorEquals();
void testOperatorEquals_fuzzy();
void testOperatorDatastream();
void testArcMoveTo_data();
void testArcMoveTo();
void setElementPositionAt();
void testOnPath_data();
void testOnPath();
void pointAtPercent_data();
void pointAtPercent();
void angleAtPercent();
void arcWinding_data();
void arcWinding();
void testToFillPolygons();
void testNaNandInfinites();
void closing();
void operators_data();
void operators();
void connectPathDuplicatePoint();
void connectPathMoveTo();
void translate();
void lineWithinBounds();
};
void tst_QPainterPath::cleanupTestCase()
{
QFile::remove(QLatin1String("data"));
}
// Testing get/set functions
void tst_QPainterPath::getSetCheck()
{
QPainterPathStroker obj1;
// qreal QPainterPathStroker::width()
// void QPainterPathStroker::setWidth(qreal)
obj1.setWidth(0.0);
QCOMPARE(qreal(1.0), obj1.width()); // Pathstroker sets with to 1 if <= 0
obj1.setWidth(0.5);
QCOMPARE(qreal(0.5), obj1.width());
obj1.setWidth(1.1);
QCOMPARE(qreal(1.1), obj1.width());
// qreal QPainterPathStroker::miterLimit()
// void QPainterPathStroker::setMiterLimit(qreal)
obj1.setMiterLimit(0.0);
QCOMPARE(qreal(0.0), obj1.miterLimit());
obj1.setMiterLimit(1.1);
QCOMPARE(qreal(1.1), obj1.miterLimit());
// qreal QPainterPathStroker::curveThreshold()
// void QPainterPathStroker::setCurveThreshold(qreal)
obj1.setCurveThreshold(0.0);
QCOMPARE(qreal(0.0), obj1.curveThreshold());
obj1.setCurveThreshold(1.1);
QCOMPARE(qreal(1.1), obj1.curveThreshold());
}
void tst_QPainterPath::swap()
{
QPainterPath p1;
p1.addRect( 0, 0,10,10);
QPainterPath p2;
p2.addRect(10,10,10,10);
p1.swap(p2);
QCOMPARE(p1.boundingRect().toRect(), QRect(10,10,10,10));
QCOMPARE(p2.boundingRect().toRect(), QRect( 0, 0,10,10));
}
Q_DECLARE_METATYPE(QPainterPath)
void tst_QPainterPath::currentPosition()
{
QPainterPath p;
QCOMPARE(p.currentPosition(), QPointF());
p.moveTo(100, 100);
QCOMPARE(p.currentPosition(), QPointF(100, 100));
p.lineTo(200, 200);
QCOMPARE(p.currentPosition(), QPointF(200, 200));
p.cubicTo(300, 200, 200, 300, 500, 500);
QCOMPARE(p.currentPosition(), QPointF(500, 500));
}
void tst_QPainterPath::contains_QPointF_data()
{
QTest::addColumn<QPainterPath>("path");
QTest::addColumn<QPointF>("pt");
QTest::addColumn<bool>("contained");
QPainterPath path;
path.addRect(0, 0, 100, 100);
// #####
// # #
// # #
// # #
// #####
QTest::newRow("[0,0] in [0,0,100,100]") << path << QPointF(0, 0) << true;
QTest::newRow("[99,0] in [0,0,100,100]") << path << QPointF(99, 0) << true;
QTest::newRow("[0,99] in [0,0,100,100]") << path << QPointF(0, 99) << true;
QTest::newRow("[99,99] in [0,0,100,100]") << path << QPointF(99, 99) << true;
QTest::newRow("[99.99,0] in [0,0,100,100]") << path << QPointF(99.99, 0) << true;
QTest::newRow("[0,99.99] in [0,0,100,100]") << path << QPointF(0, 99.99) << true;
QTest::newRow("[99.99,99.99] in [0,0,100,100]") << path << QPointF(99.99, 99.99) << true;
QTest::newRow("[0.01,0.01] in [0,0,100,100]") << path << QPointF(0.01, 0.01) << true;
QTest::newRow("[0,0.01] in [0,0,100,100]") << path << QPointF(0, 0.01) << true;
QTest::newRow("[0.01,0] in [0,0,100,100]") << path << QPointF(0.01, 0) << true;
QTest::newRow("[-0.01,-0.01] in [0,0,100,100]") << path << QPointF(-0.01, -0.01) << false;
QTest::newRow("[-0,-0.01] in [0,0,100,100]") << path << QPointF(0, -0.01) << false;
QTest::newRow("[-0.01,0] in [0,0,100,100]") << path << QPointF(-0.01, 0) << false;
QTest::newRow("[-10,0] in [0,0,100,100]") << path << QPointF(-10, 0) << false;
QTest::newRow("[100,0] in [0,0,100,100]") << path << QPointF(100, 0) << false;
QTest::newRow("[0,-10] in [0,0,100,100]") << path << QPointF(0, -10) << false;
QTest::newRow("[0,100] in [0,0,100,100]") << path << QPointF(0, 100) << false;
QTest::newRow("[100.1,0] in [0,0,100,100]") << path << QPointF(100.1, 0) << false;
QTest::newRow("[0,100.1] in [0,0,100,100]") << path << QPointF(0, 100.1) << false;
path.addRect(50, 50, 100, 100);
// #####
// # #
// # #####
// # # # #
// ##### #
// # #
// #####
QTest::newRow("[49,49] in 2 rects") << path << QPointF(49,49) << true;
QTest::newRow("[50,50] in 2 rects") << path << QPointF(50,50) << false;
QTest::newRow("[100,100] in 2 rects") << path << QPointF(100,100) << true;
path.setFillRule(Qt::WindingFill);
QTest::newRow("[50,50] in 2 rects (winding)") << path << QPointF(50,50) << true;
path.addEllipse(0, 0, 150, 150);
// #####
// ## ##
// # #####
// # # # #
// ##### #
// ## ##
// #####
QTest::newRow("[50,50] in complex (winding)") << path << QPointF(50, 50) << true;
path.setFillRule(Qt::OddEvenFill);
QTest::newRow("[50,50] in complex (windinf)") << path << QPointF(50, 50) << true;
QTest::newRow("[49,49] in complex") << path << QPointF(49,49) << false;
QTest::newRow("[100,100] in complex") << path << QPointF(49,49) << false;
// unclosed triangle
path = QPainterPath();
path.moveTo(100, 100);
path.lineTo(130, 70);
path.lineTo(150, 110);
QTest::newRow("[100,100] in triangle") << path << QPointF(100, 100) << true;
QTest::newRow("[140,100] in triangle") << path << QPointF(140, 100) << true;
QTest::newRow("[130,80] in triangle") << path << QPointF(130, 80) << true;
QTest::newRow("[110,80] in triangle") << path << QPointF(110, 80) << false;
QTest::newRow("[150,100] in triangle") << path << QPointF(150, 100) << false;
QTest::newRow("[120,110] in triangle") << path << QPointF(120, 110) << false;
QRectF base_rect(0, 0, 20, 20);
path = QPainterPath();
path.addEllipse(base_rect);
// not strictly precise, but good enougth to verify fair precision.
QPainterPath inside;
inside.addEllipse(base_rect.adjusted(5, 5, -5, -5));
QPolygonF inside_poly = inside.toFillPolygon();
for (int i=0; i<inside_poly.size(); ++i)
QTest::newRow(("inside_ellipse " + QByteArray::number(i)).constData()) << path << inside_poly.at(i) << true;
QPainterPath outside;
outside.addEllipse(base_rect.adjusted(-5, -5, 5, 5));
QPolygonF outside_poly = outside.toFillPolygon();
for (int i=0; i<outside_poly.size(); ++i)
QTest::newRow(("outside_ellipse " + QByteArray::number(i)).constData()) << path << outside_poly.at(i) << false;
path = QPainterPath();
base_rect = QRectF(50, 50, 200, 200);
path.addEllipse(base_rect);
path.setFillRule(Qt::WindingFill);
QTest::newRow("topleft outside ellipse") << path << base_rect.topLeft() << false;
QTest::newRow("topright outside ellipse") << path << base_rect.topRight() << false;
QTest::newRow("bottomright outside ellipse") << path << base_rect.bottomRight() << false;
QTest::newRow("bottomleft outside ellipse") << path << base_rect.bottomLeft() << false;
// Test horizontal curve segment
path = QPainterPath();
path.moveTo(100, 100);
path.cubicTo(120, 100, 180, 100, 200, 100);
path.lineTo(150, 200);
path.closeSubpath();
QTest::newRow("horizontal cubic, out left") << path << QPointF(0, 100) << false;
QTest::newRow("horizontal cubic, out right") << path << QPointF(300, 100) <<false;
QTest::newRow("horizontal cubic, in mid") << path << QPointF(150, 100) << true;
path = QPainterPath();
path.addEllipse(QRectF(-5000.0, -5000.0, 1500000.0, 1500000.0));
QTest::newRow("huge ellipse, qreal=float crash") << path << QPointF(1100000.35, 1098000.2) << true;
}
void tst_QPainterPath::contains_QPointF()
{
QFETCH(QPainterPath, path);
QFETCH(QPointF, pt);
QFETCH(bool, contained);
QCOMPARE(path.contains(pt), contained);
}
void tst_QPainterPath::contains_QRectF_data()
{
QTest::addColumn<QPainterPath>("path");
QTest::addColumn<QRectF>("rect");
QTest::addColumn<bool>("contained");
QPainterPath path;
path.addRect(0, 0, 100, 100);
QTest::newRow("same rect") << path << QRectF(0.1, 0.1, 99, 99) << true; // ###
QTest::newRow("outside") << path << QRectF(-1, -1, 100, 100) << false;
QTest::newRow("covers") << path << QRectF(-1, -1, 102, 102) << false;
QTest::newRow("left") << path << QRectF(-10, 50, 5, 5) << false;
QTest::newRow("top") << path << QRectF(50, -10, 5, 5) << false;
QTest::newRow("right") << path << QRectF(110, 50, 5, 5) << false;
QTest::newRow("bottom") << path << QRectF(50, 110, 5, 5) << false;
path.addRect(50, 50, 100, 100);
QTest::newRow("r1 top") << path << QRectF(0.1, 0.1, 99, 49) << true;
QTest::newRow("r1 left") << path << QRectF(0.1, 0.1, 49, 99) << true;
QTest::newRow("r2 right") << path << QRectF(100.01, 50.1, 49, 99) << true;
QTest::newRow("r2 bottom") << path << QRectF(50.1, 100.1, 99, 49) << true;
QTest::newRow("inside 2 rects") << path << QRectF(51, 51, 48, 48) << false;
QTest::newRow("topRight 2 rects") << path << QRectF(100, 0, 49, 49) << false;
QTest::newRow("bottomLeft 2 rects") << path << QRectF(0, 100, 49, 49) << false;
path.setFillRule(Qt::WindingFill);
QTest::newRow("inside 2 rects (winding)") << path << QRectF(51, 51, 48, 48) << true;
path.addEllipse(0, 0, 150, 150);
QTest::newRow("topRight 2 rects") << path << QRectF(100, 25, 24, 24) << true;
QTest::newRow("bottomLeft 2 rects") << path << QRectF(25, 100, 24, 24) << true;
path.setFillRule(Qt::OddEvenFill);
QTest::newRow("inside 2 rects") << path << QRectF(50, 50, 49, 49) << false;
}
void tst_QPainterPath::contains_QRectF()
{
QFETCH(QPainterPath, path);
QFETCH(QRectF, rect);
QFETCH(bool, contained);
QCOMPARE(path.contains(rect), contained);
}
static inline QPainterPath rectPath(qreal x, qreal y, qreal w, qreal h)
{
QPainterPath path;
path.addRect(x, y, w, h);
path.closeSubpath();
return path;
}
static inline QPainterPath ellipsePath(qreal x, qreal y, qreal w, qreal h)
{
QPainterPath path;
path.addEllipse(x, y, w, h);
path.closeSubpath();
return path;
}
static inline QPainterPath linePath(qreal x1, qreal y1, qreal x2, qreal y2)
{
QPainterPath path;
path.moveTo(x1, y1);
path.lineTo(x2, y2);
return path;
}
void tst_QPainterPath::intersects_QRectF_data()
{
QTest::addColumn<QPainterPath>("path");
QTest::addColumn<QRectF>("rect");
QTest::addColumn<bool>("intersects");
QPainterPath path;
path.addRect(0, 0, 100, 100);
QTest::newRow("same rect") << path << QRectF(0.1, 0.1, 99, 99) << true; // ###
QTest::newRow("outside") << path << QRectF(-1, -1, 100, 100) << true;
QTest::newRow("covers") << path << QRectF(-1, -1, 102, 102) << true;
QTest::newRow("left") << path << QRectF(-10, 50, 5, 5) << false;
QTest::newRow("top") << path << QRectF(50, -10, 5, 5) << false;
QTest::newRow("right") << path << QRectF(110, 50, 5, 5) << false;
QTest::newRow("bottom") << path << QRectF(50, 110, 5, 5) << false;
path.addRect(50, 50, 100, 100);
QTest::newRow("r1 top") << path << QRectF(0.1, 0.1, 99, 49) << true;
QTest::newRow("r1 left") << path << QRectF(0.1, 0.1, 49, 99) << true;
QTest::newRow("r2 right") << path << QRectF(100.01, 50.1, 49, 99) << true;
QTest::newRow("r2 bottom") << path << QRectF(50.1, 100.1, 99, 49) << true;
QTest::newRow("inside 2 rects") << path << QRectF(51, 51, 48, 48) << false;
path.setFillRule(Qt::WindingFill);
QTest::newRow("inside 2 rects (winding)") << path << QRectF(51, 51, 48, 48) << true;
path.addEllipse(0, 0, 150, 150);
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;
QCOMPARE(empty1, empty2);
QPainterPath rect1;
rect1.addRect(100, 100, 100, 100);
QCOMPARE(rect1, rect1);
QVERIFY(rect1 != empty1);
QPainterPath rect2;
rect2.addRect(100, 100, 100, 100);
QCOMPARE(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);
QCOMPARE(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);
QCOMPARE(pa, pb);
QTransform transform;
transform.translate(-100, -100);
QCOMPARE(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);
QCOMPARE(pa, pb);
QTransform transform;
transform.translate(-1, -1);
QCOMPARE(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));
QCOMPARE(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;
}
QCOMPARE(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);
//add this line to make sure closeSubpath() also calls detach() and detached properly
QPainterPath copied = triangle;
triangle.closeSubpath();
QCOMPARE(copied.elementCount(), 3);
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) {
const QByteArray dB = QByteArray::number(domain);
for (int i=-360; i<=360; ++i) {
QTest::newRow(("test " + dB + ' ' + QByteArray::number(i)).constData())
<< rects.at(domain) << (qreal) i;
}
// test low angles
QTest::newRow("low angles 1") << rects.at(domain) << (qreal) 1e-10;
QTest::newRow("low angles 2") << 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);
}
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 * qCos(qDegreesToRadians(angle)), -y_radius * qSin(qDegreesToRadians(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);
QCOMPARE(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);
QCOMPARE(copy.elementAt(0).type, QPainterPath::MoveToElement);
QCOMPARE(copy.elementAt(0).x, qreal(0));
QCOMPARE(copy.elementAt(0).y, qreal(0));
QCOMPARE(path.elementCount(), 1);
QCOMPARE(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);
QCOMPARE(path1.elementAt(0).type, QPainterPath::MoveToElement);
QCOMPARE(path2.elementAt(0).type, QPainterPath::MoveToElement);
QCOMPARE(path3.elementAt(0).type, QPainterPath::MoveToElement);
QCOMPARE(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);
const QPointF offset(100, 100);
complexPath.translate(offset);
for (int i = 0; i < complexPath.elementCount(); ++i)
QCOMPARE(QPointF(complexPath.elementAt(i)) - offset, untranslatedElements.at(i));
QCOMPARE(complexPath.translated(-offset), untranslatedComplexPath);
}
void tst_QPainterPath::lineWithinBounds()
{
const int iteration_count = 3;
volatile const qreal yVal = 0.5;
QPointF a(0.0, yVal);
QPointF b(1000.0, yVal);
QPointF c(2000.0, yVal);
QPointF d(3000.0, yVal);
QPainterPath path;
path.moveTo(QPointF(0, yVal));
path.cubicTo(QPointF(1000.0, yVal), QPointF(2000.0, yVal), QPointF(3000.0, yVal));
for(int i=0; i<=iteration_count; i++) {
qreal actual = path.pointAtPercent(qreal(i) / iteration_count).y();
QVERIFY(actual == yVal); // don't use QCOMPARE, don't want fuzzy comparison
}
}
QTEST_APPLESS_MAIN(tst_QPainterPath)
#include "tst_qpainterpath.moc"
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