diff options
Diffstat (limited to 'src/widgets/platforms/mac/qfontengine_mac.mm')
| -rw-r--r-- | src/widgets/platforms/mac/qfontengine_mac.mm | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/src/widgets/platforms/mac/qfontengine_mac.mm b/src/widgets/platforms/mac/qfontengine_mac.mm index 9d9eaed058..6186b2f514 100644 --- a/src/widgets/platforms/mac/qfontengine_mac.mm +++ b/src/widgets/platforms/mac/qfontengine_mac.mm @@ -257,10 +257,8 @@ static OSStatus atsuPostLayoutCallback(ATSULayoutOperationSelector selector, ATS #if !defined(QT_NO_DEBUG) int surrogates = 0; const QChar *str = item->string; - for (int i = item->from; i < item->from + item->length - 1; ++i) { - surrogates += (str[i].unicode() >= 0xd800 && str[i].unicode() < 0xdc00 - && str[i+1].unicode() >= 0xdc00 && str[i+1].unicode() < 0xe000); - } + for (int i = item->from; i < item->from + item->length - 1; ++i) + surrogates += (str[i].isHighSurrogate() && str[i+1].isLowSurrogate()); #endif for (nextCharStop = item->from; nextCharStop < item->from + item->length; ++nextCharStop) if (item->charAttributes[nextCharStop].charStop) @@ -328,10 +326,8 @@ static OSStatus atsuPostLayoutCallback(ATSULayoutOperationSelector selector, ATS if (charOffset < item->length - 1) { QChar current = item->string[item->from + charOffset]; QChar next = item->string[item->from + charOffset + 1]; - if (current.unicode() >= 0xd800 && current.unicode() < 0xdc00 - && next.unicode() >= 0xdc00 && next.unicode() < 0xe000) { + if (current.isHighSurrogate() && next.isLowSurrogate()) item->log_clusters[charOffset + 1] = currentClusterGlyph; - } } } } @@ -738,15 +734,12 @@ QFontEngineMac::~QFontEngineMac() static inline unsigned int getChar(const QChar *str, int &i, const int len) { - unsigned int uc = str[i].unicode(); - if (uc >= 0xd800 && uc < 0xdc00 && i < len-1) { - uint low = str[i+1].unicode(); - if (low >= 0xdc00 && low < 0xe000) { - uc = (uc - 0xd800)*0x400 + (low - 0xdc00) + 0x10000; - ++i; - } + uint ucs4 = str[i].unicode(); + if (str[i].isHighSurrogate() && i < len-1 && str[i+1].isLowSurrogate()) { + ++i; + ucs4 = QChar::surrogateToUcs4(ucs4, str[i].unicode()); } - return uc; + return ucs4; } // Not used directly for shaping, only used to calculate m_averageCharWidth |