diff options
Diffstat (limited to 'vcl/source')
-rw-r--r-- | vcl/source/gdi/CommonSalLayout.cxx | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/vcl/source/gdi/CommonSalLayout.cxx b/vcl/source/gdi/CommonSalLayout.cxx index 3a7969547742..88e97527ab5c 100644 --- a/vcl/source/gdi/CommonSalLayout.cxx +++ b/vcl/source/gdi/CommonSalLayout.cxx @@ -440,12 +440,14 @@ void CommonSalLayout::SetNeedFallback(ImplLayoutArgs& rArgs, sal_Int32 nCharPos, //mark all glyphs as missing so the whole thing is rendered with the same //font sal_Int32 nDone; - sal_Int32 nGraphemeStartPos = - mxBreak->previousCharacters(rArgs.mrStr, nCharPos + 1, aLocale, - i18n::CharacterIteratorMode::SKIPCELL, 1, nDone); sal_Int32 nGraphemeEndPos = mxBreak->nextCharacters(rArgs.mrStr, nCharPos, aLocale, i18n::CharacterIteratorMode::SKIPCELL, 1, nDone); + // Safely advance nCharPos in case it is a non-BMP character. + rArgs.mrStr.iterateCodePoints(&nCharPos); + sal_Int32 nGraphemeStartPos = + mxBreak->previousCharacters(rArgs.mrStr, nCharPos, aLocale, + i18n::CharacterIteratorMode::SKIPCELL, 1, nDone); rArgs.NeedFallback(nGraphemeStartPos, nGraphemeEndPos, bRightToLeft); } |