diff options
Diffstat (limited to 'tests/auto/gui/text/qrawfont/tst_qrawfont.cpp')
| -rw-r--r-- | tests/auto/gui/text/qrawfont/tst_qrawfont.cpp | 63 |
1 files changed, 46 insertions, 17 deletions
diff --git a/tests/auto/gui/text/qrawfont/tst_qrawfont.cpp b/tests/auto/gui/text/qrawfont/tst_qrawfont.cpp index c12acf65cc..471b32dd50 100644 --- a/tests/auto/gui/text/qrawfont/tst_qrawfont.cpp +++ b/tests/auto/gui/text/qrawfont/tst_qrawfont.cpp @@ -1,31 +1,26 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** 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. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ ** 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 http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/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 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. -** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company 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 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. ** ** $QT_END_LICENSE$ ** @@ -93,6 +88,8 @@ private slots: void multipleRawFontsFromData(); void rawFontFromInvalidData(); + + void kernedAdvances(); private: QString testFont; QString testFontBoldItalic; @@ -954,6 +951,38 @@ void tst_QRawFont::rawFontFromInvalidData() QVERIFY(!font.isValid()); } +#define FUZZY_LTEQ(X, Y) (X < Y || qFuzzyCompare(X, Y)) + +void tst_QRawFont::kernedAdvances() +{ + const int emSquareSize = 1000; + const qreal pixelSize = 16.0; + const int underScoreAW = 500; + const int underscoreTwoKerning = -500; + const qreal errorMargin = 1.0 / 16.0; // Fixed point error margin + + QRawFont font(testFont, pixelSize); + QVERIFY(font.isValid()); + + QVector<quint32> glyphIndexes = font.glyphIndexesForString(QStringLiteral("__")); + QCOMPARE(glyphIndexes.size(), 2); + + QVector<QPointF> advances = font.advancesForGlyphIndexes(glyphIndexes, QRawFont::KernedAdvances); + QCOMPARE(advances.size(), 2); + + qreal expectedAdvanceWidth = pixelSize * underScoreAW / emSquareSize; + QVERIFY(FUZZY_LTEQ(qAbs(advances.at(0).x() - expectedAdvanceWidth), errorMargin)); + + glyphIndexes = font.glyphIndexesForString(QStringLiteral("_2")); + QCOMPARE(glyphIndexes.size(), 2); + + advances = font.advancesForGlyphIndexes(glyphIndexes, QRawFont::KernedAdvances); + QCOMPARE(advances.size(), 2); + + expectedAdvanceWidth = pixelSize * (underScoreAW + underscoreTwoKerning) / emSquareSize; + QVERIFY(FUZZY_LTEQ(qAbs(advances.at(0).x() - expectedAdvanceWidth), errorMargin)); +} + #endif // QT_NO_RAWFONT QTEST_MAIN(tst_QRawFont) |