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-rw-r--r--src/gui/text/qfontengine_coretext.mm3
-rw-r--r--tests/auto/qtextscriptengine/tst_qtextscriptengine.cpp25
2 files changed, 26 insertions, 2 deletions
diff --git a/src/gui/text/qfontengine_coretext.mm b/src/gui/text/qfontengine_coretext.mm
index 2ae60b15f4..0209689473 100644
--- a/src/gui/text/qfontengine_coretext.mm
+++ b/src/gui/text/qfontengine_coretext.mm
@@ -234,7 +234,8 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay
int idx = rtlOffset + rtlSign * i;
outGlyphs[idx] = tmpGlyphs[i] | fontIndex;
outAdvances_x[idx] = QFixed::fromReal(tmpPoints[i + 1].x - tmpPoints[i].x);
- outAdvances_y[idx] = QFixed::fromReal(tmpPoints[i + 1].y - tmpPoints[i].y);
+ // Use negative y advance for flipped coordinate system
+ outAdvances_y[idx] = QFixed::fromReal(tmpPoints[i].y - tmpPoints[i + 1].y);
if (fontDef.styleStrategy & QFont::ForceIntegerMetrics) {
outAdvances_x[idx] = outAdvances_x[idx].round();
diff --git a/tests/auto/qtextscriptengine/tst_qtextscriptengine.cpp b/tests/auto/qtextscriptengine/tst_qtextscriptengine.cpp
index 91d0f3ff17..4f4e706adf 100644
--- a/tests/auto/qtextscriptengine/tst_qtextscriptengine.cpp
+++ b/tests/auto/qtextscriptengine/tst_qtextscriptengine.cpp
@@ -56,7 +56,7 @@
-#if defined(Q_WS_X11)
+#if defined(Q_WS_X11) || defined(Q_WS_MAC)
#define private public
#include <private/qtextengine_p.h>
#include <qtextlayout.h>
@@ -104,6 +104,7 @@ private slots:
void khmer();
void linearB();
void controlInSyllable_qtbug14204();
+ void combiningMarks_qtbug15675();
};
tst_QTextScriptEngine::tst_QTextScriptEngine()
@@ -1133,5 +1134,27 @@ void tst_QTextScriptEngine::controlInSyllable_qtbug14204()
#endif
}
+void tst_QTextScriptEngine::combiningMarks_qtbug15675()
+{
+#if defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA)
+ QString s;
+ s.append(QChar(0x0061));
+ s.append(QChar(0x0062));
+ s.append(QChar(0x0300));
+ s.append(QChar(0x0063));
+
+ QFont font("Monaco");
+ QTextLayout layout(s, font);
+ QTextEngine *e = layout.d;
+ e->itemize();
+ e->shape(0);
+
+ QVERIFY(e->layoutData->items[0].num_glyphs == 4);
+ QVERIFY(e->layoutData->glyphLayout.advances_y[2] > 0);
+#else
+ QSKIP("Mac specific test", SkipAll);
+#endif
+}
+
QTEST_MAIN(tst_QTextScriptEngine)
#include "tst_qtextscriptengine.moc"