diff options
Diffstat (limited to 'src/gui/text/qfontengine_mac.mm')
| -rw-r--r-- | src/gui/text/qfontengine_mac.mm | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/gui/text/qfontengine_mac.mm b/src/gui/text/qfontengine_mac.mm index d11083f..8ce437d 100644 --- a/src/gui/text/qfontengine_mac.mm +++ b/src/gui/text/qfontengine_mac.mm @@ -830,7 +830,6 @@ static OSStatus atsuPostLayoutCallback(ATSULayoutOperationSelector selector, ATS surrogates += (str[i].unicode() >= 0xd800 && str[i].unicode() < 0xdc00 && str[i+1].unicode() >= 0xdc00 && str[i+1].unicode() < 0xe000); } - Q_ASSERT(*nfo->numGlyphs == item->length - surrogates); #endif for (nextCharStop = item->from; nextCharStop < item->from + item->length; ++nextCharStop) if (item->charAttributes[nextCharStop].charStop) @@ -856,10 +855,13 @@ static OSStatus atsuPostLayoutCallback(ATSULayoutOperationSelector selector, ATS QFixed xAdvance = FixedToQFixed(layoutData[glyphIdx + 1].realPos - layoutData[glyphIdx].realPos); if (glyphId != 0xffff || i == 0) { - nfo->glyphs->glyphs[i] = (glyphId & 0x00ffffff) | (fontIdx << 24); + if (i < nfo->glyphs->numGlyphs) + { + nfo->glyphs->glyphs[i] = (glyphId & 0x00ffffff) | (fontIdx << 24); - nfo->glyphs->advances_y[i] = yAdvance; - nfo->glyphs->advances_x[i] = xAdvance; + nfo->glyphs->advances_y[i] = yAdvance; + nfo->glyphs->advances_x[i] = xAdvance; + } } else { // ATSUI gives us 0xffff as glyph id at the index in the glyph array for // a character position that maps to a ligtature. Such a glyph id does not @@ -1029,6 +1031,8 @@ bool QFontEngineMacMulti::stringToCMapInternal(const QChar *str, int len, QGlyph nfo.flags = flags; nfo.shaperItem = shaperItem; + int prevNumGlyphs = *nglyphs; + QVarLengthArray<int> mappedFonts(len); for (int i = 0; i < len; ++i) mappedFonts[i] = 0; @@ -1140,6 +1144,8 @@ bool QFontEngineMacMulti::stringToCMapInternal(const QChar *str, int len, QGlyph } ATSUClearLayoutCache(textLayout, kATSUFromTextBeginning); + if (prevNumGlyphs < *nfo.numGlyphs) + return false; return true; } |