diff options
author | Jiang Jiang <jiang.jiang@nokia.com> | 2011-07-08 17:40:43 +0200 |
---|---|---|
committer | Jiang Jiang <jiang.jiang@nokia.com> | 2011-07-11 13:31:11 +0200 |
commit | 1f90ae36cff8acf581d1624bf011fe3a55c623c0 (patch) | |
tree | b53e135f8354a026a25060dce8c3003e952ab988 /src/gui/text/qtextengine.cpp | |
parent | c5f3ea858679d07d753e29af87f04efadd7683e9 (diff) |
Fix crash when app font is added
Loading app fonts will clear the application font cache, but
QFontPrivate::engineWithScript will try to load the font again,
in Mac the font engine used here must be the one used for shaping,
because subsequent sub font engines may be added to it during the
shaping process (QCoreTextFontEngineMulti::stringToCMap). That is
why we need to fetch the font engine directly from QTextEngine's
fontEngine cache instead of QFontCache.
Task-number: QTBUG-20250
Reviewed-by: Eskil
Diffstat (limited to 'src/gui/text/qtextengine.cpp')
-rw-r--r-- | src/gui/text/qtextengine.cpp | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp index 8ddf3eb5d3..c900918850 100644 --- a/src/gui/text/qtextengine.cpp +++ b/src/gui/text/qtextengine.cpp @@ -3051,6 +3051,22 @@ QTextItemInt::QTextItemInt(const QScriptItem &si, QFont *font, const QTextCharFo : justified(false), underlineStyle(QTextCharFormat::NoUnderline), charFormat(format), num_chars(0), chars(0), logClusters(0), f(0), fontEngine(0) { + f = font; + fontEngine = f->d->engineForScript(si.analysis.script); + Q_ASSERT(fontEngine); + + initWithScriptItem(si); +} + +QTextItemInt::QTextItemInt(const QGlyphLayout &g, QFont *font, const QChar *chars_, int numChars, QFontEngine *fe, const QTextCharFormat &format) + : flags(0), justified(false), underlineStyle(QTextCharFormat::NoUnderline), charFormat(format), + num_chars(numChars), chars(chars_), logClusters(0), f(font), glyphs(g), fontEngine(fe) +{ +} + +// Fix up flags and underlineStyle with given info +void QTextItemInt::initWithScriptItem(const QScriptItem &si) +{ // explicitly initialize flags so that initFontAttributes can be called // multiple times on the same TextItem flags = 0; @@ -3058,13 +3074,10 @@ QTextItemInt::QTextItemInt(const QScriptItem &si, QFont *font, const QTextCharFo flags |= QTextItem::RightToLeft; ascent = si.ascent; descent = si.descent; - f = font; - fontEngine = f->d->engineForScript(si.analysis.script); - Q_ASSERT(fontEngine); - if (format.hasProperty(QTextFormat::TextUnderlineStyle)) { - underlineStyle = format.underlineStyle(); - } else if (format.boolProperty(QTextFormat::FontUnderline) + if (charFormat.hasProperty(QTextFormat::TextUnderlineStyle)) { + underlineStyle = charFormat.underlineStyle(); + } else if (charFormat.boolProperty(QTextFormat::FontUnderline) || f->d->underline) { underlineStyle = QTextCharFormat::SingleUnderline; } @@ -3073,18 +3086,12 @@ QTextItemInt::QTextItemInt(const QScriptItem &si, QFont *font, const QTextCharFo if (underlineStyle == QTextCharFormat::SingleUnderline) flags |= QTextItem::Underline; - if (f->d->overline || format.fontOverline()) + if (f->d->overline || charFormat.fontOverline()) flags |= QTextItem::Overline; - if (f->d->strikeOut || format.fontStrikeOut()) + if (f->d->strikeOut || charFormat.fontStrikeOut()) flags |= QTextItem::StrikeOut; } -QTextItemInt::QTextItemInt(const QGlyphLayout &g, QFont *font, const QChar *chars_, int numChars, QFontEngine *fe) - : flags(0), justified(false), underlineStyle(QTextCharFormat::NoUnderline), - num_chars(numChars), chars(chars_), logClusters(0), f(font), glyphs(g), fontEngine(fe) -{ -} - QTextItemInt QTextItemInt::midItem(QFontEngine *fontEngine, int firstGlyphIndex, int numGlyphs) const { QTextItemInt ti = *this; |