diff options
Diffstat (limited to 'tests/auto/gui/text/qrawfont/tst_qrawfont.cpp')
| -rw-r--r-- | tests/auto/gui/text/qrawfont/tst_qrawfont.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/auto/gui/text/qrawfont/tst_qrawfont.cpp b/tests/auto/gui/text/qrawfont/tst_qrawfont.cpp index c12acf65cc..b1e292f094 100644 --- a/tests/auto/gui/text/qrawfont/tst_qrawfont.cpp +++ b/tests/auto/gui/text/qrawfont/tst_qrawfont.cpp @@ -93,6 +93,8 @@ private slots: void multipleRawFontsFromData(); void rawFontFromInvalidData(); + + void kernedAdvances(); private: QString testFont; QString testFontBoldItalic; @@ -954,6 +956,38 @@ 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) |