Copy fixes from harfbuzz stable branch. Includes a leak fix, a kerning
2007-04-03 Behdad Esfahbod <behdad@gnome.org> * pango/opentype/harfbuzz-gdef.c (_HB_GDEF_Check_Property): * pango/opentype/harfbuzz-gpos.c (HB_Done_GPOS_Table), (Lookup_PairPos): * pango/opentype/harfbuzz-open.c (Get_Class1): Copy fixes from harfbuzz stable branch. Includes a leak fix, a kerning fix, and an array out-of-bound access fix.
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@ -1217,6 +1217,8 @@ FT_Error _HB_GDEF_Check_Property( HB_GDEFHeader* gdef,
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*property != desired_attachment_class )
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return HB_Err_Not_Covered;
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}
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} else {
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*property = 0;
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}
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return FT_Err_Ok;
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@ -193,6 +193,8 @@ FT_Error HB_Done_GPOS_Table( HB_GPOSHeader* gpos )
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_HB_OPEN_Free_FeatureList( &gpos->FeatureList, memory );
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_HB_OPEN_Free_ScriptList( &gpos->ScriptList, memory );
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FREE( gpos );
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return FT_Err_Ok;
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}
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@ -1650,6 +1652,12 @@ static FT_Error Lookup_PairPos( GPOS_Instance* gpi,
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return HB_Err_Invalid_GPOS_SubTable_Format;
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}
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/* if we don't have coverage for the second glyph don't skip it for
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further lookups but reset in_pos back to the first_glyph and let
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the caller in Do_String_Lookup increment in_pos */
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if ( error == HB_Err_Not_Covered )
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buffer->in_pos = first_pos;
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/* adjusting the `next' glyph */
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if ( pp->ValueFormat2 )
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@ -1191,7 +1191,7 @@ static FT_Error Get_Class1( HB_ClassDefFormat1* cdf1,
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*index = 0;
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if ( glyphID >= cdf1->StartGlyph &&
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glyphID <= cdf1->StartGlyph + cdf1->GlyphCount )
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glyphID < cdf1->StartGlyph + cdf1->GlyphCount )
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{
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*class = cva[glyphID - cdf1->StartGlyph];
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return FT_Err_Ok;
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