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Diffstat (limited to 'src/gui/text/qfontenginedirectwrite.cpp')
-rw-r--r--src/gui/text/qfontenginedirectwrite.cpp13
1 files changed, 5 insertions, 8 deletions
diff --git a/src/gui/text/qfontenginedirectwrite.cpp b/src/gui/text/qfontenginedirectwrite.cpp
index d693273..5bac117 100644
--- a/src/gui/text/qfontenginedirectwrite.cpp
+++ b/src/gui/text/qfontenginedirectwrite.cpp
@@ -269,15 +269,12 @@ QFixed QFontEngineDirectWrite::emSquareSize() const
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;
}
bool QFontEngineDirectWrite::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs,