diff options
Diffstat (limited to 'tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp')
| -rw-r--r-- | tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp b/tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp index 678eb0393f..bad33ab0a4 100644 --- a/tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp +++ b/tests/auto/gui/text/qfontmetrics/tst_qfontmetrics.cpp @@ -36,6 +36,7 @@ private slots: void verticalMetrics(); void largeText_data(); void largeText(); // QTBUG-123339 + void typoLineMetrics(); }; void tst_QFontMetrics::same() @@ -263,7 +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)); } @@ -275,7 +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); } } @@ -410,5 +411,48 @@ void tst_QFontMetrics::largeText() 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) #include "tst_qfontmetrics.moc" |