diff options
Diffstat (limited to 'src/gui/text/qfontmetrics.cpp')
| -rw-r--r-- | src/gui/text/qfontmetrics.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/gui/text/qfontmetrics.cpp b/src/gui/text/qfontmetrics.cpp index 5163c94727..d02e841c8c 100644 --- a/src/gui/text/qfontmetrics.cpp +++ b/src/gui/text/qfontmetrics.cpp @@ -526,6 +526,14 @@ int QFontMetrics::rightBearing(QChar ch) const */ int QFontMetrics::width(const QString &text, int len) const { + return width(text, len, 0); +} + +/*! + \internal +*/ +int QFontMetrics::width(const QString &text, int len, int flags) const +{ int pos = text.indexOf(QLatin1Char('\x9c')); if (pos != -1) { len = (len < 0) ? pos : qMin(pos, len); @@ -535,6 +543,23 @@ int QFontMetrics::width(const QString &text, int len) const if (len == 0) return 0; + if (flags & Qt::TextBypassShaping) { + // Skip harfbuzz complex shaping, only use advances + int numGlyphs = len; + QVarLengthGlyphLayoutArray glyphs(numGlyphs); + QFontEngine *engine = d->engineForScript(QUnicodeTables::Common); + if (!engine->stringToCMap(text.data(), len, &glyphs, &numGlyphs, 0)) { + glyphs.resize(numGlyphs); + if (!engine->stringToCMap(text.data(), len, &glyphs, &numGlyphs, 0)) + Q_ASSERT_X(false, Q_FUNC_INFO, "stringToCMap shouldn't fail twice"); + } + + QFixed width; + for (int i = 0; i < numGlyphs; ++i) + width += glyphs.advances_x[i]; + return qRound(width); + } + QStackTextEngine layout(text, d.data()); layout.ignoreBidi = true; return qRound(layout.width(0, len)); |