forked from minhngoc25a/freetype2
the font driver now supports CEF fonts and needs a few
more work to fully support pure CFF fonts.. yet another patch inspired by Tom !! Aaaaa :-)
This commit is contained in:
David Turner
parent
9eeea990cc
commit
e1075ceabb
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@ -241,8 +241,8 @@
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/* Glyph index. 0 means `undefined character code'. */
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/* */
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static
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FT_UInt Get_Char_Index( TT_CharMap charmap,
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FT_Long charcode )
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FT_UInt t2_get_char_index( TT_CharMap charmap,
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FT_Long charcode )
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{
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FT_Error error;
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T2_Face face;
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@ -331,7 +331,7 @@
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(FTDriver_setPixelSizes)0,
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(FTDriver_loadGlyph) Load_Glyph,
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(FTDriver_getCharIndex) Get_Char_Index,
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(FTDriver_getCharIndex) t2_get_char_index,
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(FTDriver_getKerning) Get_Kerning,
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(FTDriver_attachFile) 0,
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100
src/cff/t2objs.c
100
src/cff/t2objs.c
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@ -69,6 +69,7 @@
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}
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#if 0
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/* this function is used to build a Unicode charmap from the glyph names */
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/* in a file.. */
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static
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@ -94,6 +95,9 @@
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goto Exit;
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}
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/* allocate the charmap */
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if ( ALLOC( face->charmap,
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/* seek to charset table and allocate glyph names table */
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if ( FILE_Seek( base_offset + charset_offset ) ||
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ALLOC_ARRAY( glyph_names, num_glyphs, const char* ) )
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@ -177,6 +181,58 @@
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Exit:
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return error;
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}
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#endif
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static
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FT_Encoding find_encoding( int platform_id,
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int encoding_id )
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{
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typedef struct TEncoding
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{
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int platform_id;
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int encoding_id;
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FT_Encoding encoding;
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} TEncoding;
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static
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const TEncoding tt_encodings[] =
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{
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{ TT_PLATFORM_ISO, -1, ft_encoding_unicode },
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{ TT_PLATFORM_APPLE_UNICODE, -1, ft_encoding_unicode },
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{ TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, ft_encoding_apple_roman },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, ft_encoding_unicode },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, ft_encoding_sjis },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_GB2312, ft_encoding_gb2312 },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, ft_encoding_big5 },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, ft_encoding_wansung },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, ft_encoding_johab }
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};
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const TEncoding *cur, *limit;
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cur = tt_encodings;
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limit = cur + sizeof ( tt_encodings ) / sizeof ( tt_encodings[0] );
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for ( ; cur < limit; cur++ )
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{
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if ( cur->platform_id == platform_id )
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{
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if ( cur->encoding_id == encoding_id ||
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cur->encoding_id == -1 )
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return cur->encoding;
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}
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}
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return ft_encoding_none;
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}
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/*************************************************************************/
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/* */
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@ -284,11 +340,14 @@
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FT_Memory memory = face->root.memory;
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FT_Face root;
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FT_UInt flags;
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FT_ULong base_offset;
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if ( ALLOC( cff, sizeof ( *cff ) ) )
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goto Exit;
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base_offset = FILE_Pos();
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face->extra.data = cff;
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error = T2_Load_CFF_Font( stream, face_index, cff );
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if ( error )
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@ -371,6 +430,47 @@
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flags |= FT_STYLE_FLAG_BOLD;
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root->style_flags = flags;
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/* set the charmaps if any */
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if (sfnt_format)
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{
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/*********************************************************************/
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/* */
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/* Polish the charmaps. */
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/* */
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/* Try to set the charmap encoding according to the platform & */
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/* encoding ID of each charmap. */
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/* */
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TT_CharMap charmap;
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FT_Int n;
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charmap = face->charmaps;
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root->num_charmaps = face->num_charmaps;
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/* allocate table of pointers */
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if ( ALLOC_ARRAY( root->charmaps, root->num_charmaps, FT_CharMap ) )
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goto Exit;
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for ( n = 0; n < root->num_charmaps; n++, charmap++ )
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{
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FT_Int platform = charmap->cmap.platformID;
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FT_Int encoding = charmap->cmap.platformEncodingID;
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charmap->root.face = (FT_Face)face;
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charmap->root.platform_id = platform;
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charmap->root.encoding_id = encoding;
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charmap->root.encoding = find_encoding( platform, encoding );
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/* now, set root->charmap with a unicode charmap */
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/* wherever available */
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if ( !root->charmap &&
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charmap->root.encoding == ft_encoding_unicode )
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root->charmap = (FT_CharMap)charmap;
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root->charmaps[n] = (FT_CharMap)charmap;
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}
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}
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}
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}
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@ -23,7 +23,7 @@
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#include <freetype/internal/ftobjs.h>
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#include <freetype/internal/t2types.h>
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#include <freetype/internal/t2errors.h>
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#include <freetype/internal/psnames.h>
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#ifdef __cplusplus
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extern "C" {
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@ -89,6 +89,15 @@
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} T2_Transform;
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/* this is only used in the case of a pure CFF font with no charmap */
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typedef struct T2_CharMapRec_
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{
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TT_CharMapRec root;
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PS_Unicodes unicodes;
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} T2_CharMapRec, *T2_CharMap;
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/***********************************************************************/
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/* */
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/* TrueType driver class. */
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