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-rw-r--r--tests/auto/gui/text/qfontmetrics/CMakeLists.txt15
-rw-r--r--tests/auto/gui/text/qfontmetrics/testfont.qrc6
-rw-r--r--tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp136
3 files changed, 120 insertions, 37 deletions
diff --git a/tests/auto/gui/text/qfontmetrics/CMakeLists.txt b/tests/auto/gui/text/qfontmetrics/CMakeLists.txt
index d7a22671d6..ee2f76ef76 100644
--- a/tests/auto/gui/text/qfontmetrics/CMakeLists.txt
+++ b/tests/auto/gui/text/qfontmetrics/CMakeLists.txt
@@ -1,13 +1,20 @@
-# Generated from qfontmetrics.pro.
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
#####################################################################
## tst_qfontmetrics Test:
#####################################################################
+if(NOT QT_BUILD_STANDALONE_TESTS AND NOT QT_BUILDING_QT)
+ cmake_minimum_required(VERSION 3.16)
+ project(tst_qfontmetrics LANGUAGES CXX)
+ find_package(Qt6BuildInternals REQUIRED COMPONENTS STANDALONE_TEST)
+endif()
+
qt_internal_add_test(tst_qfontmetrics
SOURCES
tst_qfontmetrics.cpp
- PUBLIC_LIBRARIES
+ LIBRARIES
Qt::CorePrivate
Qt::Gui
Qt::GuiPrivate
@@ -17,8 +24,12 @@ qt_internal_add_test(tst_qfontmetrics
set_source_files_properties("../../../shared/resources/testfont.ttf"
PROPERTIES QT_RESOURCE_ALIAS "testfont.ttf"
)
+set_source_files_properties("../../../shared/resources/testfont_linemetrics.otf"
+ PROPERTIES QT_RESOURCE_ALIAS "testfont_linemetrics.otf"
+)
set(testfont_resource_files
"../../../shared/resources/testfont.ttf"
+ "../../../shared/resources/testfont_linemetrics.otf"
"ucs4font.ttf"
)
diff --git a/tests/auto/gui/text/qfontmetrics/testfont.qrc b/tests/auto/gui/text/qfontmetrics/testfont.qrc
deleted file mode 100644
index 30b4a3f82e..0000000000
--- a/tests/auto/gui/text/qfontmetrics/testfont.qrc
+++ /dev/null
@@ -1,6 +0,0 @@
-<RCC>
- <qresource prefix="/fonts">
- <file>ucs4font.ttf</file>
- <file alias="testfont.ttf">../../../shared/resources/testfont.ttf</file>
- </qresource>
-</RCC>
diff --git a/tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp b/tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp
index c78475a76f..bad33ab0a4 100644
--- a/tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp
+++ b/tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp
@@ -1,30 +1,5 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QTest>
@@ -43,6 +18,7 @@ private slots:
void same();
void metrics();
void boundingRect();
+ void boundingRect2();
void elidedText_data();
void elidedText();
void veryNarrowElidedText();
@@ -56,6 +32,11 @@ private slots:
void leadingBelowLine();
void elidedMetrics();
void zeroWidthMetrics();
+ void verticalMetrics_data();
+ void verticalMetrics();
+ void largeText_data();
+ void largeText(); // QTBUG-123339
+ void typoLineMetrics();
};
void tst_QFontMetrics::same()
@@ -149,6 +130,21 @@ void tst_QFontMetrics::boundingRect()
QVERIFY(r.top() < 0);
}
+void tst_QFontMetrics::boundingRect2()
+{
+ QFont f;
+ f.setPixelSize(16);
+ QFontMetricsF fm(f);
+ QString str("AVAVAVA vvvvvvvvvv fffffffff file");
+ QRectF br = fm.boundingRect(str);
+ QRectF tbr = fm.tightBoundingRect(str);
+ qreal advance = fm.horizontalAdvance(str);
+ // Bounding rect plus bearings should be similar to advance
+ qreal bearings = fm.leftBearing(QChar('A')) + fm.rightBearing(QChar('e'));
+ QVERIFY(qAbs(br.width() + bearings - advance) < fm.averageCharWidth()/2.0);
+ QVERIFY(qAbs(tbr.width() + bearings - advance) < fm.averageCharWidth()/2.0);
+}
+
void tst_QFontMetrics::elidedText_data()
{
QTest::addColumn<QFont>("font");
@@ -268,7 +264,7 @@ void tst_QFontMetrics::inFontUcs4()
glyphs.glyphs[0] = 0;
QVERIFY(engine->stringToCMap(string.constData(), string.size(),
&glyphs, &glyphs.numGlyphs,
- QFontEngine::GlyphIndicesOnly));
+ QFontEngine::GlyphIndicesOnly) > 0);
QCOMPARE(glyphs.numGlyphs, 1);
QCOMPARE(glyphs.glyphs[0], uint(1));
}
@@ -280,7 +276,7 @@ void tst_QFontMetrics::inFontUcs4()
glyphs.glyphs[0] = 0;
QVERIFY(engine->stringToCMap(string.constData(), string.size(),
&glyphs, &glyphs.numGlyphs,
- QFontEngine::GlyphIndicesOnly));
+ QFontEngine::GlyphIndicesOnly) >= 0);
QVERIFY(glyphs.glyphs[0] != 1);
}
}
@@ -374,6 +370,88 @@ void tst_QFontMetrics::zeroWidthMetrics()
QCOMPARE(fm.horizontalAdvance(string3), fm.horizontalAdvance(string4));
QCOMPARE(fm.boundingRect(string1).width(), fm.boundingRect(string2).width());
QCOMPARE(fm.boundingRect(string3).width(), fm.boundingRect(string4).width());
+ QCOMPARE(fm.tightBoundingRect(string1).width(), fm.tightBoundingRect(string2).width());
+ QCOMPARE(fm.tightBoundingRect(string3).width(), fm.tightBoundingRect(string4).width());
+}
+
+void tst_QFontMetrics::verticalMetrics_data()
+{
+ QTest::addColumn<QFont>("font");
+ QStringList families = QFontDatabase::families();
+ for (const QString &family : families) {
+ QFont font(family);
+ QTest::newRow(family.toUtf8()) << font;
+ }
+}
+
+void tst_QFontMetrics::verticalMetrics()
+{
+ QFETCH(QFont, font);
+ QFontMetrics fm(font);
+ QVERIFY(fm.ascent() != 0 || fm.descent() != 0);
+}
+
+void tst_QFontMetrics::largeText_data()
+{
+ QTest::addColumn<qsizetype>("size");
+ for (int i = 1; i < 20; ++i) {
+ qsizetype size = qsizetype(1) << i;
+ QByteArray rowText = QByteArray::number(size);
+ QTest::newRow(rowText.constData()) << size;
+ }
+}
+
+void tst_QFontMetrics::largeText()
+{
+ QFont font;
+ QFontMetrics fm(font);
+ QFETCH(qsizetype, size);
+ QString string(size, QLatin1Char('A'));
+ QRect boundingRect = fm.boundingRect(string);
+ QVERIFY(boundingRect.isValid());
+}
+
+void tst_QFontMetrics::typoLineMetrics()
+{
+ QString testFont = QFINDTESTDATA("fonts/testfont_linemetrics.otf");
+ QVERIFY(!testFont.isEmpty());
+
+ int id = QFontDatabase::addApplicationFont(testFont);
+ QVERIFY(id >= 0);
+
+ {
+ auto cleanup = qScopeGuard([&id] {
+ if (id >= 0)
+ QFontDatabase::removeApplicationFont(id);
+ });
+
+ QImage img(100, 100, QImage::Format_ARGB32);
+ img.setDevicePixelRatio(1.0);
+ QFont font(QFontDatabase::applicationFontFamilies(id).at(0), &img);
+ font.setPixelSize(18);
+
+ const qreal unitsPerEm = 1000.0;
+
+ QFontMetrics defaultFm(font);
+ const int defaultAscent = defaultFm.ascent();
+ const int defaultDescent = defaultFm.descent();
+ const int defaultLeading = defaultFm.leading();
+
+ QCOMPARE(defaultAscent, qRound(1234.0 / unitsPerEm * font.pixelSize()));
+ QCOMPARE(defaultDescent, qRound(5678.0 / unitsPerEm * font.pixelSize()));
+ QCOMPARE(defaultLeading, 0.0);
+
+ font.setStyleStrategy(QFont::PreferTypoLineMetrics);
+ const QFontMetrics typoFm(font);
+
+ const int typoAscent = typoFm.ascent();
+ const int typoDescent = typoFm.descent();
+ const int typoLeading = typoFm.leading();
+
+ QCOMPARE(typoAscent, qRound(2000.0 / unitsPerEm * font.pixelSize()));
+ QCOMPARE(typoDescent, qRound(3000.0 / unitsPerEm * font.pixelSize()));
+ QCOMPARE(typoLeading, qRound(1000.0 / unitsPerEm * font.pixelSize()));
+ }
}
QTEST_MAIN(tst_QFontMetrics)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 03:30:38 +0000