diff options
Diffstat (limited to 'freetype/src/cff/cffload.c')
-rw-r--r-- | freetype/src/cff/cffload.c | 41 |
1 files changed, 32 insertions, 9 deletions
diff --git a/freetype/src/cff/cffload.c b/freetype/src/cff/cffload.c index 2be6ba068..d5433c80b 100644 --- a/freetype/src/cff/cffload.c +++ b/freetype/src/cff/cffload.c @@ -4,7 +4,7 @@ /* */ /* OpenType and CFF data/program tables loader (body). */ /* */ -/* Copyright 1996-2011 by */ +/* Copyright 1996-2012 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -1439,6 +1439,7 @@ FT_ULong base_offset; CFF_FontRecDict dict; CFF_IndexRec string_index; + FT_Int subfont_index; FT_ZERO( font ); @@ -1483,13 +1484,35 @@ font->num_strings = string_index.count; - /* well, we don't really forget the `disabled' fonts... */ - font->num_faces = font->name_index.count; - if ( face_index >= (FT_Int)font->num_faces ) + if ( pure_cff ) { - FT_ERROR(( "cff_font_load: incorrect face index = %d\n", - face_index )); - error = CFF_Err_Invalid_Argument; + /* well, we don't really forget the `disabled' fonts... */ + subfont_index = face_index; + + if ( subfont_index >= (FT_Int)font->name_index.count ) + { + FT_ERROR(( "cff_font_load:" + " invalid subfont index for pure CFF font (%d)\n", + subfont_index )); + error = CFF_Err_Invalid_Argument; + goto Exit; + } + + font->num_faces = font->name_index.count; + } + else + { + subfont_index = 0; + + if ( font->name_index.count > 1 ) + { + FT_ERROR(( "cff_font_load:" + " invalid CFF font with multiple subfonts\n" + " " + " in SFNT wrapper\n" )); + error = CFF_Err_Invalid_File_Format; + goto Exit; + } } /* in case of a font format check, simply exit now */ @@ -1500,7 +1523,7 @@ FT_TRACE4(( "parsing top-level\n" )); error = cff_subfont_load( &font->top_font, &font->font_dict_index, - face_index, + subfont_index, stream, base_offset, library ); @@ -1615,7 +1638,7 @@ /* get the font name (/CIDFontName for CID-keyed fonts, */ /* /FontName otherwise) */ - font->font_name = cff_index_get_name( font, face_index ); + font->font_name = cff_index_get_name( font, subfont_index ); Exit: cff_index_done( &string_index ); |