diff options
Diffstat (limited to 'vcl/win/source/gdi/winlayout.cxx')
| -rw-r--r-- | vcl/win/source/gdi/winlayout.cxx | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/vcl/win/source/gdi/winlayout.cxx b/vcl/win/source/gdi/winlayout.cxx index ba19f2255646..82fa9bb4b5e1 100644 --- a/vcl/win/source/gdi/winlayout.cxx +++ b/vcl/win/source/gdi/winlayout.cxx @@ -2076,6 +2076,13 @@ void UniscribeLayout::MoveGlyph( int nStartx8, long nNewXPos ) // move the visual item by having an offset pVI->mnXOffset += nDelta; } + // move subsequent items - this often isn't necessary because subsequent + // moves will correct subsequent items. However, if there is a contiguous + // range not involving fallback which spans items, this will be needed + while (++pVI - mpVisualItems < mnItemCount) + { + pVI->mnXOffset += nDelta; + } } // ----------------------------------------------------------------------- @@ -2203,7 +2210,9 @@ void UniscribeLayout::Simplify( bool /*bIsBase*/ ) const int k = mpGlyphs2Chars[ i ]; mpGlyphs2Chars[ j ] = k; const int nRelGlyphPos = (j++) - rVI.mnMinGlyphPos; - mpLogClusters[ k ] = static_cast<WORD>(nRelGlyphPos); + if( k < 0) // extra glyphs are already mapped + continue; + mpLogClusters[ k ] = static_cast<WORD>(nRelGlyphPos); } rVI.mnEndGlyphPos = j; @@ -2362,6 +2371,10 @@ void UniscribeLayout::GetCaretPositions( int nMaxIdx, long* pCaretXArray ) const if( rVisualItem.IsEmpty() ) continue; + if (mnLayoutFlags & SAL_LAYOUT_FOR_FALLBACK) + { + nXPos = rVisualItem.mnXOffset; + } // get glyph positions // TODO: handle when rVisualItem's glyph range is only partially used for( i = rVisualItem.mnMinGlyphPos; i < rVisualItem.mnEndGlyphPos; ++i ) @@ -2395,13 +2408,17 @@ void UniscribeLayout::GetCaretPositions( int nMaxIdx, long* pCaretXArray ) const } } - // fixup unknown character positions to neighbor - for( i = 0; i < nMaxIdx; ++i ) + if (!(mnLayoutFlags & SAL_LAYOUT_FOR_FALLBACK)) { - if( pCaretXArray[ i ] >= 0 ) - nXPos = pCaretXArray[ i ]; - else - pCaretXArray[ i ] = nXPos; + nXPos = 0; + // fixup unknown character positions to neighbor + for( i = 0; i < nMaxIdx; ++i ) + { + if( pCaretXArray[ i ] >= 0 ) + nXPos = pCaretXArray[ i ]; + else + pCaretXArray[ i ] = nXPos; + } } } @@ -2821,7 +2838,7 @@ sal_GlyphId GraphiteLayoutWinImpl::getKashidaGlyph(int & rWidth) class GraphiteWinLayout : public WinLayout { private: - mutable gr::WinFont mpFont; + mutable GraphiteWinFont mpFont; grutils::GrFeatureParser * mpFeatures; mutable GraphiteLayoutWinImpl maImpl; public: @@ -2894,6 +2911,11 @@ void GraphiteWinLayout::RestoreDC(gr::Segment & segment) const bool GraphiteWinLayout::LayoutText( ImplLayoutArgs & args) { + if (args.mnMinCharPos >= args.mnEndCharPos) + { + maImpl.clear(); + return true; + } HFONT hUnRotatedFont; if (args.mnOrientation) { |