diff options
Diffstat (limited to 'src/gui/text/qfontengine_ft.cpp')
| -rw-r--r-- | src/gui/text/qfontengine_ft.cpp | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/gui/text/qfontengine_ft.cpp b/src/gui/text/qfontengine_ft.cpp index 9a5d9d6..e20aa25 100644 --- a/src/gui/text/qfontengine_ft.cpp +++ b/src/gui/text/qfontengine_ft.cpp @@ -78,6 +78,10 @@ #include FT_ERRORS_H #endif +#if !defined(QT_MAX_CACHED_GLYPH_SIZE) +# define QT_MAX_CACHED_GLYPH_SIZE 64 +#endif + QT_BEGIN_NAMESPACE /* @@ -373,7 +377,7 @@ void QFreetypeFace::computeSize(const QFontDef &fontDef, int *xsize, int *ysize, *xsize = *ysize = 0; } } else { - *outline_drawing = (*xsize > (64<<6) || *ysize > (64<<6)); + *outline_drawing = (*xsize > (QT_MAX_CACHED_GLYPH_SIZE<<6) || *ysize > (QT_MAX_CACHED_GLYPH_SIZE<<6)); } } @@ -1317,7 +1321,7 @@ QFontEngineFT::QGlyphSet *QFontEngineFT::loadTransformedGlyphSet(const QTransfor if (!gs) { // don't try to load huge fonts - bool draw_as_outline = fontDef.pixelSize * qSqrt(qAbs(matrix.det())) >= 64; + bool draw_as_outline = fontDef.pixelSize * qSqrt(qAbs(matrix.det())) >= QT_MAX_CACHED_GLYPH_SIZE; if (draw_as_outline) return 0; @@ -1418,15 +1422,12 @@ void QFontEngineFT::getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_me 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; } bool QFontEngineFT::canRender(const QChar *string, int len) |