diff options
Diffstat (limited to 'tests/auto/gui/math3d/qmatrixnxn/tst_qmatrixnxn.cpp')
| -rw-r--r-- | tests/auto/gui/math3d/qmatrixnxn/tst_qmatrixnxn.cpp | 65 |
1 files changed, 46 insertions, 19 deletions
diff --git a/tests/auto/gui/math3d/qmatrixnxn/tst_qmatrixnxn.cpp b/tests/auto/gui/math3d/qmatrixnxn/tst_qmatrixnxn.cpp index 98f1c1c8f9..5ce833eb3a 100644 --- a/tests/auto/gui/math3d/qmatrixnxn/tst_qmatrixnxn.cpp +++ b/tests/auto/gui/math3d/qmatrixnxn/tst_qmatrixnxn.cpp @@ -1,40 +1,32 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the test suite of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ +** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -147,6 +139,7 @@ private slots: void ortho(); void frustum(); void perspective(); + void viewport(); void flipCoordinates(); void convertGeneric(); @@ -2794,6 +2787,40 @@ void tst_QMatrixNxN::perspective() QVERIFY(m5.isIdentity()); } +// Test viewport transformations +void tst_QMatrixNxN::viewport() +{ + // Uses default depth range of 0->1 + QMatrix4x4 m1; + m1.viewport(0.0f, 0.0f, 1024.0f, 768.0f); + + // Lower left + QVector4D p1 = m1 * QVector4D(-1.0f, -1.0f, 0.0f, 1.0f); + QVERIFY(qFuzzyIsNull(p1.x())); + QVERIFY(qFuzzyIsNull(p1.y())); + QVERIFY(qFuzzyCompare(p1.z(), 0.5f)); + + // Lower right + QVector4D p2 = m1 * QVector4D(1.0f, -1.0f, 0.0f, 1.0f); + QVERIFY(qFuzzyCompare(p2.x(), 1024.0f)); + QVERIFY(qFuzzyIsNull(p2.y())); + + // Upper right + QVector4D p3 = m1 * QVector4D(1.0f, 1.0f, 0.0f, 1.0f); + QVERIFY(qFuzzyCompare(p3.x(), 1024.0f)); + QVERIFY(qFuzzyCompare(p3.y(), 768.0f)); + + // Upper left + QVector4D p4 = m1 * QVector4D(-1.0f, 1.0f, 0.0f, 1.0f); + QVERIFY(qFuzzyIsNull(p4.x())); + QVERIFY(qFuzzyCompare(p4.y(), 768.0f)); + + // Center + QVector4D p5 = m1 * QVector4D(0.0f, 0.0f, 0.0f, 1.0f); + QVERIFY(qFuzzyCompare(p5.x(), 1024.0f / 2.0f)); + QVERIFY(qFuzzyCompare(p5.y(), 768.0f / 2.0f)); +} + // Test left-handed vs right-handed coordinate flipping. void tst_QMatrixNxN::flipCoordinates() { |