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-rw-r--r--tests/auto/qtransform/tst_qtransform.cpp807
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diff --git a/tests/auto/qtransform/tst_qtransform.cpp b/tests/auto/qtransform/tst_qtransform.cpp
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--- a/tests/auto/qtransform/tst_qtransform.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the test suite of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-
-#include <QtTest/QtTest>
-#include "qtransform.h"
-#include <math.h>
-#include <qpolygon.h>
-#include <qdebug.h>
-
-Q_DECLARE_METATYPE(QRect)
-
-//TESTED_CLASS=
-//TESTED_FILES=
-
-class tst_QTransform : public QObject
-{
- Q_OBJECT
-
-public:
- tst_QTransform();
- virtual ~tst_QTransform();
-
-
-public slots:
- void init();
- void cleanup();
-private slots:
- void mapRect_data();
- void operator_star_qrect_data();
- void mapToPolygon_data();
- void mapRect();
- void operator_star_qrect();
- void assignments();
- void mapToPolygon();
- void translate();
- void scale();
- void matrix();
- void testOffset();
- void types();
- void scalarOps();
- void transform();
- void mapEmptyPath();
- void boundingRect();
- void controlPointRect();
- void inverted_data();
- void inverted();
- void projectivePathMapping();
- void mapInt();
- void mapPathWithPoint();
-
-private:
- void mapping_data();
-};
-
-Q_DECLARE_METATYPE(QTransform)
-Q_DECLARE_METATYPE(QPolygon)
-
-tst_QTransform::tst_QTransform()
-{
-}
-
-tst_QTransform::~tst_QTransform()
-{
-}
-
-void tst_QTransform::init()
-{
- // No initialisation is required
-}
-
-void tst_QTransform::cleanup()
-{
- // No cleanup is required.
-}
-
-#ifdef Q_OS_WIN32
-#define M_PI 3.14159265897932384626433832795f
-#endif
-
-void tst_QTransform::mapRect_data()
-{
- mapping_data();
-
- // rotations that are not multiples of 90 degrees. mapRect returns the bounding rect here.
- qreal deg = -45;
- QTest::newRow( "rot 45 a" )
- << QTransform().rotate(deg)
- << QRect( 0, 0, 10, 10 )
- << QPolygon( QRect( 0, -7, 14, 14 ) );
- QTest::newRow( "rot 45 b" )
- << QTransform().rotate(deg)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( 21, -14, 50, 49 ) );
- QTest::newRow( "rot 45 c" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 0, 0, 10, 10 )
- << QPolygon( QRect( 0, -71, 141, 142 ) );
- QTest::newRow( "rot 45 d" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( 212, -141, 495, 495 ) );
-
- deg = 45;
- QTest::newRow( "rot -45 a" )
- << QTransform().rotate(deg)
- << QRect( 0, 0, 10, 10 )
- << QPolygon( QRect( -7, 0, 14, 14 ) );
- QTest::newRow( "rot -45 b" )
- << QTransform().rotate(deg)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -35, 21, 49, 50 ) );
- QTest::newRow( "rot -45 c" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 0, 0, 10, 10 )
- << QPolygon( QRect( -71, 0, 142, 141 ) );
- QTest::newRow( "rot -45 d" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -354, 212, 495, 495 ) );
-}
-
-void tst_QTransform::operator_star_qrect_data()
-{
- mapping_data();
-}
-
-void tst_QTransform::mapToPolygon_data()
-{
- mapping_data();
-}
-
-void tst_QTransform::mapping_data()
-{
- //create the testtable instance and define the elements
- QTest::addColumn<QTransform>("matrix");
- QTest::addColumn<QRect>("src");
- QTest::addColumn<QPolygon>("res");
-
- //next we fill it with data
-
- // identity
- QTest::newRow( "identity" )
- << QTransform()
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( 10, 20, 30, 40 ) );
- // scaling
- QTest::newRow( "scale 0" )
- << QTransform().scale(2, 2)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( 20, 40, 60, 80 ) );
- QTest::newRow( "scale 1" )
- << QTransform().scale(10, 10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( 100, 200, 300, 400 ) );
- // mirroring
- QTest::newRow( "mirror 0" )
- << QTransform().scale(-1, 1)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -40, 20, 30, 40 ) );
- QTest::newRow( "mirror 1" )
- << QTransform().scale(1, -1)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( 10, -60, 30, 40 ) );
- QTest::newRow( "mirror 2" )
- << QTransform().scale(-1, -1)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -40, -60, 30, 40 ) );
- QTest::newRow( "mirror 3" )
- << QTransform().scale(-2, -2)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -80, -120, 60, 80 ) );
- QTest::newRow( "mirror 4" )
- << QTransform().scale(-10, -10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -400, -600, 300, 400 ) );
- QTest::newRow( "mirror 5" )
- << QTransform().scale(-1, 1)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( -30, 0, 30, 40 ) );
- QTest::newRow( "mirror 6" )
- << QTransform().scale(1, -1)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( 0, -40, 30, 40 ) );
- QTest::newRow( "mirror 7" )
- << QTransform().scale(-1, -1)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( -30, -40, 30, 40 ) );
- QTest::newRow( "mirror 8" )
- << QTransform().scale(-2, -2)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( -60, -80, 60, 80 ) );
- QTest::newRow( "mirror 9" )
- << QTransform().scale(-10, -10) << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( -300, -400, 300, 400 ) );
-
- // rotations
- float deg = 0.;
- QTest::newRow( "rot 0 a" )
- << QTransform().rotate(deg)
- << QRect( 0, 0, 30, 40 )
- << QPolygon ( QRect( 0, 0, 30, 40 ) );
- deg = 0.00001f;
- QTest::newRow( "rot 0 b" )
- << QTransform().rotate(deg)
- << QRect( 0, 0, 30, 40 )
- << QPolygon ( QRect( 0, 0, 30, 40 ) );
- deg = 0.;
- QTest::newRow( "rot 0 c" )
- << QTransform().rotate(deg)
- << QRect( 10, 20, 30, 40 )
- << QPolygon ( QRect( 10, 20, 30, 40 ) );
- deg = 0.00001f;
- QTest::newRow( "rot 0 d" )
- << QTransform().rotate(deg)
- << QRect( 10, 20, 30, 40 )
- << QPolygon ( QRect( 10, 20, 30, 40 ) );
-
- // rotations
- deg = -90.f;
- QTest::newRow( "rotscale 90 a" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( 0, -300, 400, 300 ) );
- deg = -90.00001f;
- QTest::newRow( "rotscale 90 b" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( 0, -300, 400, 300 ) );
- deg = -90.f;
- QTest::newRow( "rotscale 90 c" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( 200, -400, 400, 300 ) );
- deg = -90.00001f;
- QTest::newRow( "rotscale 90 d" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( 200, -400, 400, 300 ) );
-
- deg = 180.f;
- QTest::newRow( "rotscale 180 a" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( -300, -400, 300, 400 ) );
- deg = 180.000001f;
- QTest::newRow( "rotscale 180 b" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( -300, -400, 300, 400 ) );
- deg = 180.f;
- QTest::newRow( "rotscale 180 c" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -400, -600, 300, 400 ) );
- deg = 180.000001f;
- QTest::newRow( "rotscale 180 d" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -400, -600, 300, 400 ) );
-
- deg = -270.f;
- QTest::newRow( "rotscale 270 a" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( -400, 0, 400, 300 ) );
- deg = -270.0000001f;
- QTest::newRow( "rotscale 270 b" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 0, 0, 30, 40 )
- << QPolygon( QRect( -400, 0, 400, 300 ) );
- deg = -270.f;
- QTest::newRow( "rotscale 270 c" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -600, 100, 400, 300 ) );
- deg = -270.000001f;
- QTest::newRow( "rotscale 270 d" )
- << QTransform().rotate(deg).scale(10, 10)
- << QRect( 10, 20, 30, 40 )
- << QPolygon( QRect( -600, 100, 400, 300 ) );
-}
-
-void tst_QTransform::mapRect()
-{
- QFETCH( QTransform, matrix );
- QFETCH( QRect, src );
- QFETCH( QPolygon, res );
- QRect mapped = matrix.mapRect(src);
- QCOMPARE( mapped, res.boundingRect().adjusted(0, 0, -1, -1) );
-
- QRectF r = matrix.mapRect(QRectF(src));
- QRect ir(r.topLeft().toPoint(), r.bottomRight().toPoint() - QPoint(1, 1));
- QCOMPARE( mapped, ir );
-}
-
-void tst_QTransform::operator_star_qrect()
-{
-#if 0
- QFETCH( QTransform, matrix );
- QFETCH( QRect, src );
- QFETCH( QPolygon, res );
-
- QCOMPARE( (matrix * src), QRegion(res) );
-#endif
-}
-
-void tst_QTransform::assignments()
-{
- QTransform m;
- m.scale(2, 3);
- m.rotate(45);
- m.shear(4, 5);
-
- QTransform c1(m);
-
- QCOMPARE(m.m11(), c1.m11());
- QCOMPARE(m.m12(), c1.m12());
- QCOMPARE(m.m21(), c1.m21());
- QCOMPARE(m.m22(), c1.m22());
- QCOMPARE(m.dx(), c1.dx());
- QCOMPARE(m.dy(), c1.dy());
-
- QTransform c2 = m;
- QCOMPARE(m.m11(), c2.m11());
- QCOMPARE(m.m12(), c2.m12());
- QCOMPARE(m.m21(), c2.m21());
- QCOMPARE(m.m22(), c2.m22());
- QCOMPARE(m.dx(), c2.dx());
- QCOMPARE(m.dy(), c2.dy());
-}
-
-
-void tst_QTransform::mapToPolygon()
-{
- QFETCH( QTransform, matrix );
- QFETCH( QRect, src );
- QFETCH( QPolygon, res );
-
- QPolygon poly = matrix.mapToPolygon(src);
-
- // don't care about starting point
- bool equal = false;
- for (int i = 0; i < poly.size(); ++i) {
- QPolygon rot;
- for (int j = i; j < poly.size(); ++j)
- rot << poly[j];
- for (int j = 0; j < i; ++j)
- rot << poly[j];
- if (rot == res)
- equal = true;
- }
-
- QVERIFY(equal);
-}
-
-
-void tst_QTransform::translate()
-{
- QTransform m( 1, 2, 3, 4, 5, 6 );
- QTransform res2( m );
- QTransform res( 1, 2, 3, 4, 75, 106 );
- m.translate( 10, 20 );
- QVERIFY( m == res );
- m.translate( -10, -20 );
- QVERIFY( m == res2 );
- QVERIFY( QTransform::fromTranslate( 0, 0 ).type() == QTransform::TxNone );
- QVERIFY( QTransform::fromTranslate( 10, 0 ).type() == QTransform::TxTranslate );
- QVERIFY( QTransform::fromTranslate( -1, 5 ) == QTransform().translate( -1, 5 ));
- QVERIFY( QTransform::fromTranslate( 0, 0 ) == QTransform());
-}
-
-void tst_QTransform::scale()
-{
- QTransform m( 1, 2, 3, 4, 5, 6 );
- QTransform res2( m );
- QTransform res( 10, 20, 60, 80, 5, 6 );
- m.scale( 10, 20 );
- QVERIFY( m == res );
- m.scale( 1./10., 1./20. );
- QVERIFY( m == res2 );
- QVERIFY( QTransform::fromScale( 1, 1 ).type() == QTransform::TxNone );
- QVERIFY( QTransform::fromScale( 2, 4 ).type() == QTransform::TxScale );
- QVERIFY( QTransform::fromScale( 2, 4 ) == QTransform().scale( 2, 4 ));
- QVERIFY( QTransform::fromScale( 1, 1 ) == QTransform());
-}
-
-void tst_QTransform::matrix()
-{
- QMatrix mat1;
- mat1.scale(0.3, 0.7);
- mat1.translate(53.3, 94.4);
- mat1.rotate(45);
-
- QMatrix mat2;
- mat2.rotate(33);
- mat2.scale(0.6, 0.6);
- mat2.translate(13.333, 7.777);
-
- QTransform tran1(mat1);
- QTransform tran2(mat2);
- QTransform dummy;
- dummy.setMatrix(mat1.m11(), mat1.m12(), 0,
- mat1.m21(), mat1.m22(), 0,
- mat1.dx(), mat1.dy(), 1);
-
- QVERIFY(tran1 == dummy);
- QVERIFY(tran1.inverted() == dummy.inverted());
- QVERIFY(tran1.inverted() == QTransform(mat1.inverted()));
- QVERIFY(tran2.inverted() == QTransform(mat2.inverted()));
-
- QMatrix mat3 = mat1 * mat2;
- QTransform tran3 = tran1 * tran2;
- QVERIFY(QTransform(mat3) == tran3);
-
- /* QMatrix::operator==() doesn't use qFuzzyCompare(), which
- * on win32-g++ results in a failure. So we work around it by
- * calling QTranform::operator==(), which performs a fuzzy compare. */
- QCOMPARE(QTransform(mat3), QTransform(tran3.toAffine()));
-
- QTransform tranInv = tran1.inverted();
- QMatrix matInv = mat1.inverted();
-
- QRect rect(43, 70, 200, 200);
- QPoint pt(43, 66);
- QVERIFY(tranInv.map(pt) == matInv.map(pt));
- QVERIFY(tranInv.map(pt) == matInv.map(pt));
-
- QPainterPath path;
- path.moveTo(55, 60);
- path.lineTo(110, 110);
- path.quadTo(220, 50, 10, 20);
- path.closeSubpath();
- QVERIFY(tranInv.map(path) == matInv.map(path));
-}
-
-void tst_QTransform::testOffset()
-{
- QTransform trans;
- const QMatrix &aff = trans.toAffine();
- QCOMPARE((void*)(&aff), (void*)(&trans));
-}
-
-void tst_QTransform::types()
-{
- QTransform m1;
- QCOMPARE(m1.type(), QTransform::TxNone);
-
- m1.translate(1.0f, 0.0f);
- QCOMPARE(m1.type(), QTransform::TxTranslate);
- QCOMPARE(m1.inverted().type(), QTransform::TxTranslate);
-
- m1.scale(1.0f, 2.0f);
- QCOMPARE(m1.type(), QTransform::TxScale);
- QCOMPARE(m1.inverted().type(), QTransform::TxScale);
-
- m1.rotate(45.0f);
- QCOMPARE(m1.type(), QTransform::TxRotate);
- QCOMPARE(m1.inverted().type(), QTransform::TxRotate);
-
- m1.shear(0.5f, 0.25f);
- QCOMPARE(m1.type(), QTransform::TxShear);
- QCOMPARE(m1.inverted().type(), QTransform::TxShear);
-
- m1.rotate(45.0f, Qt::XAxis);
- QCOMPARE(m1.type(), QTransform::TxProject);
- m1.shear(0.5f, 0.25f);
- QCOMPARE(m1.type(), QTransform::TxProject);
- m1.rotate(45.0f);
- QCOMPARE(m1.type(), QTransform::TxProject);
- m1.scale(1.0f, 2.0f);
- QCOMPARE(m1.type(), QTransform::TxProject);
- m1.translate(1.0f, 0.0f);
- QCOMPARE(m1.type(), QTransform::TxProject);
-
- QTransform m2(1.0f, 0.0f, 0.0f,
- 0.0f, 1.0f, 0.0f,
- -1.0f, -1.0f, 1.0f);
-
- QCOMPARE(m2.type(), QTransform::TxTranslate);
- QCOMPARE((m1 * m2).type(), QTransform::TxProject);
-
- m1 *= QTransform();
- QCOMPARE(m1.type(), QTransform::TxProject);
-
- m1 *= QTransform(1.0f, 0.0f, 0.0f,
- 0.0f, 1.0f, 0.0f,
- 1.0f, 0.0f, 1.0f);
- QCOMPARE(m1.type(), QTransform::TxProject);
-
- m2.reset();
- QCOMPARE(m2.type(), QTransform::TxNone);
-
- m2.setMatrix(1.0f, 0.0f, 0.0f,
- 0.0f, 1.0f, 0.0f,
- 0.0f, 0.0f, 1.0f);
- QCOMPARE(m2.type(), QTransform::TxNone);
-
- m2 *= QTransform();
- QCOMPARE(m2.type(), QTransform::TxNone);
-
- m2.setMatrix(2.0f, 0.0f, 0.0f,
- 0.0f, 1.0f, 0.0f,
- 0.0f, 0.0f, 1.0f);
- QCOMPARE(m2.type(), QTransform::TxScale);
- m2 *= QTransform();
- QCOMPARE(m2.type(), QTransform::TxScale);
-
- m2.setMatrix(0.0f, 1.0f, 0.0f,
- 1.0f, 0.0f, 0.0f,
- 0.0f, 1.0f, 1.0f);
- QCOMPARE(m2.type(), QTransform::TxRotate);
- m2 *= QTransform();
- QCOMPARE(m2.type(), QTransform::TxRotate);
-
- m2.setMatrix(1.0f, 0.0f, 0.5f,
- 0.0f, 1.0f, 0.0f,
- 0.0f, 0.0f, 1.0f);
- QCOMPARE(m2.type(), QTransform::TxProject);
- m2 *= QTransform();
- QCOMPARE(m2.type(), QTransform::TxProject);
-
- m2.setMatrix(1.0f, 1.0f, 0.0f,
- 1.0f, 0.0f, 0.0f,
- 0.0f, 1.0f, 1.0f);
- QCOMPARE(m2.type(), QTransform::TxShear);
-
- m2 *= m2.inverted();
- QCOMPARE(m2.type(), QTransform::TxNone);
-
- m2.translate(5.0f, 5.0f);
- m2.rotate(45.0f);
- m2.rotate(-45.0f);
- QCOMPARE(m2.type(), QTransform::TxTranslate);
-
- m2.scale(2.0f, 3.0f);
- m2.shear(1.0f, 0.0f);
- m2.shear(-1.0f, 0.0f);
- QCOMPARE(m2.type(), QTransform::TxScale);
-
- m2 *= QTransform(1.0f, 1.0f, 0.0f,
- 0.0f, 1.0f, 0.0f,
- 0.0f, 0.0f, 1.0f);
- QCOMPARE(m2.type(), QTransform::TxShear);
-
- m2 *= QTransform(1.0f, 0.0f, 0.0f,
- 0.0f, 1.0f, 0.0f,
- 1.0f, 0.0f, 1.0f);
- QCOMPARE(m2.type(), QTransform::TxShear);
-
- QTransform m3(1.8f, 0.0f, 0.0f,
- 0.0f, 1.8f, 0.0f,
- 0.0f, 0.0f, 1.0f);
-
- QCOMPARE(m3.type(), QTransform::TxScale);
- m3.translate(5.0f, 5.0f);
- QCOMPARE(m3.type(), QTransform::TxScale);
- QCOMPARE(m3.inverted().type(), QTransform::TxScale);
-
- m3.setMatrix(1.0f, 0.0f, 0.0f,
- 0.0f, 1.0f, 0.0f,
- 0.0f, 0.0f, 2.0f);
- QCOMPARE(m3.type(), QTransform::TxProject);
-
- m3.setMatrix(0.0f, 2.0f, 0.0f,
- 1.0f, 0.0f, 0.0f,
- 0.0f, 0.0f, 2.0f);
- QCOMPARE(m3.type(), QTransform::TxProject);
-
- QTransform m4;
- m4.scale(5, 5);
- m4.translate(4, 2);
- m4.rotate(45);
-
- QCOMPARE(m4.type(), QTransform::TxRotate);
-
- QTransform m5;
- m5.scale(5, 5);
- m5 = m5.adjoint() / m5.determinant();
- QCOMPARE(m5.type(), QTransform::TxScale);
-}
-
-
-void tst_QTransform::scalarOps()
-{
- QTransform t;
- QCOMPARE(t.m11(), 1.);
- QCOMPARE(t.m33(), 1.);
- QCOMPARE(t.m21(), 0.);
-
- t = QTransform() + 3;
- QCOMPARE(t.m11(), 4.);
- QCOMPARE(t.m33(), 4.);
- QCOMPARE(t.m21(), 3.);
-
- t = t - 3;
- QCOMPARE(t.m11(), 1.);
- QCOMPARE(t.m33(), 1.);
- QCOMPARE(t.m21(), 0.);
- QCOMPARE(t.isIdentity(), true);
-
- t += 3;
- t = t * 2;
- QCOMPARE(t.m11(), 8.);
- QCOMPARE(t.m33(), 8.);
- QCOMPARE(t.m21(), 6.);
-}
-
-void tst_QTransform::transform()
-{
- QTransform t;
- t.rotate(30, Qt::YAxis);
- t.translate(15, 10);
- t.scale(2, 2);
- t.rotate(30);
- t.shear(0.5, 0.5);
-
- QTransform a, b, c, d, e;
- a.rotate(30, Qt::YAxis);
- b.translate(15, 10);
- c.scale(2, 2);
- d.rotate(30);
- e.shear(0.5, 0.5);
-
- QVERIFY(qFuzzyCompare(t, e * d * c * b * a));
-}
-
-void tst_QTransform::mapEmptyPath()
-{
- QPainterPath path;
- path.moveTo(10, 10);
- path.lineTo(10, 10);
- QCOMPARE(QTransform().map(path), path);
-}
-
-void tst_QTransform::boundingRect()
-{
- QPainterPath path;
- path.moveTo(10, 10);
- path.lineTo(10, 10);
- QCOMPARE(path.boundingRect(), QRectF(10, 10, 0, 0));
-}
-
-void tst_QTransform::controlPointRect()
-{
- QPainterPath path;
- path.moveTo(10, 10);
- path.lineTo(10, 10);
- QCOMPARE(path.controlPointRect(), QRectF(10, 10, 0, 0));
-}
-
-void tst_QTransform::inverted_data()
-{
- QTest::addColumn<QTransform>("matrix");
-
- QTest::newRow("identity")
- << QTransform();
-
- QTest::newRow("TxTranslate")
- << QTransform().translate(200, 10);
-
- QTest::newRow("TxScale")
- << QTransform().scale(5, 2);
-
- QTest::newRow("TxTranslate TxScale")
- << QTransform().translate(100, -10).scale(40, 2);
-
- QTest::newRow("TxScale TxTranslate")
- << QTransform().scale(40, 2).translate(100, -10);
-
- QTest::newRow("TxRotate")
- << QTransform().rotate(40, Qt::ZAxis);
-
- QTest::newRow("TxRotate TxScale")
- << QTransform().rotate(60, Qt::ZAxis).scale(2, 0.25);
-
- QTest::newRow("TxScale TxRotate")
- << QTransform().scale(2, 0.25).rotate(30, Qt::ZAxis);
-
- QTest::newRow("TxRotate TxScale TxTranslate")
- << QTransform().rotate(60, Qt::ZAxis).scale(2, 0.25).translate(200, -3000);
-
- QTest::newRow("TxRotate TxTranslate TxScale")
- << QTransform().rotate(60, Qt::ZAxis).translate(200, -3000).scale(19, 77);
-
- QTest::newRow("TxShear")
- << QTransform().shear(10, 10);
-
- QTest::newRow("TxShear TxRotate")
- << QTransform().shear(10, 10).rotate(45, Qt::ZAxis);
-
- QTest::newRow("TxShear TxRotate TxScale")
- << QTransform().shear(10, 10).rotate(45, Qt::ZAxis).scale(19, 81);
-
- QTest::newRow("TxTranslate TxShear TxRotate TxScale")
- << QTransform().translate(150, -1).shear(10, 10).rotate(45, Qt::ZAxis).scale(19, 81);
-
- const qreal s = 500000;
-
- QTransform big;
- big.scale(s, s);
-
- QTest::newRow("big") << big;
-
- QTransform small;
- small.scale(1/s, 1/s);
-
- QTest::newRow("small") << small;
-}
-
-void tst_QTransform::inverted()
-{
- if (sizeof(qreal) != sizeof(double))
- QSKIP("precision error if qreal is not double", SkipAll);
-
- QFETCH(QTransform, matrix);
-
- const QTransform inverted = matrix.inverted();
-
- QVERIFY(matrix.isIdentity() == inverted.isIdentity());
- QVERIFY(matrix.type() == inverted.type());
-
- QVERIFY((matrix * inverted).isIdentity());
- QVERIFY((inverted * matrix).isIdentity());
-}
-
-void tst_QTransform::projectivePathMapping()
-{
- QPainterPath path;
- path.addRect(-50, -50, 100, 100);
-
- const QRectF view(0, 0, 1024, 1024);
-
- QVERIFY(view.intersects(path.boundingRect()));
-
- for (int i = 0; i < 85; i += 5) {
- QTransform transform;
- transform.translate(512, 512);
- transform.rotate(i, Qt::YAxis);
-
- const QPainterPath mapped = transform.map(path);
-
- QVERIFY(view.intersects(mapped.boundingRect()));
- QVERIFY(transform.inverted().mapRect(view).intersects(path.boundingRect()));
- }
-}
-
-void tst_QTransform::mapInt()
-{
- int x = 0;
- int y = 0;
-
- QTransform::fromTranslate(10, 10).map(x, y, &x, &y);
-
- QCOMPARE(x, 10);
- QCOMPARE(y, 10);
-}
-
-void tst_QTransform::mapPathWithPoint()
-{
- QPainterPath p(QPointF(10, 10));
- p = QTransform::fromTranslate(10, 10).map(p);
- QCOMPARE(p.currentPosition(), QPointF(20, 20));
-}
-
-QTEST_APPLESS_MAIN(tst_QTransform)
-
-
-#include "tst_qtransform.moc"
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-28 05:07:56 +0000