diff options
Diffstat (limited to 'nx-X11/extras/freetype2/src/cff/cffcmap.c')
-rw-r--r-- | nx-X11/extras/freetype2/src/cff/cffcmap.c | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/nx-X11/extras/freetype2/src/cff/cffcmap.c b/nx-X11/extras/freetype2/src/cff/cffcmap.c deleted file mode 100644 index 82e04d236..000000000 --- a/nx-X11/extras/freetype2/src/cff/cffcmap.c +++ /dev/null @@ -1,326 +0,0 @@ -/***************************************************************************/ -/* */ -/* cffcmap.c */ -/* */ -/* CFF character mapping table (cmap) support (body). */ -/* */ -/* Copyright 2002, 2003, 2004 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* This file is part of the FreeType project, and may only be used, */ -/* modified, and distributed under the terms of the FreeType project */ -/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ -/* this file you indicate that you have read the license and */ -/* understand and accept it fully. */ -/* */ -/***************************************************************************/ - - -#include "cffcmap.h" -#include "cffload.h" - -#include "cfferrs.h" - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** CFF STANDARD (AND EXPERT) ENCODING CMAPS *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - FT_CALLBACK_DEF( FT_Error ) - cff_cmap_encoding_init( CFF_CMapStd cmap ) - { - TT_Face face = (TT_Face)FT_CMAP_FACE( cmap ); - CFF_Font cff = (CFF_Font)face->extra.data; - CFF_Encoding encoding = &cff->encoding; - - - cmap->gids = encoding->codes; - - return 0; - } - - - FT_CALLBACK_DEF( void ) - cff_cmap_encoding_done( CFF_CMapStd cmap ) - { - cmap->gids = NULL; - } - - - FT_CALLBACK_DEF( FT_UInt ) - cff_cmap_encoding_char_index( CFF_CMapStd cmap, - FT_UInt32 char_code ) - { - FT_UInt result = 0; - - - if ( char_code < 256 ) - result = cmap->gids[char_code]; - - return result; - } - - - FT_CALLBACK_DEF( FT_UInt ) - cff_cmap_encoding_char_next( CFF_CMapStd cmap, - FT_UInt32 *pchar_code ) - { - FT_UInt result = 0; - FT_UInt32 char_code = *pchar_code; - - - *pchar_code = 0; - - if ( char_code < 255 ) - { - FT_UInt code = (FT_UInt)(char_code + 1); - - - for (;;) - { - if ( code >= 256 ) - break; - - result = cmap->gids[code]; - if ( result != 0 ) - { - *pchar_code = code; - break; - } - - code++; - } - } - return result; - } - - - FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec - cff_cmap_encoding_class_rec = - { - sizeof ( CFF_CMapStdRec ), - - (FT_CMap_InitFunc) cff_cmap_encoding_init, - (FT_CMap_DoneFunc) cff_cmap_encoding_done, - (FT_CMap_CharIndexFunc)cff_cmap_encoding_char_index, - (FT_CMap_CharNextFunc) cff_cmap_encoding_char_next - }; - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** CFF SYNTHETIC UNICODE ENCODING CMAP *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - FT_CALLBACK_DEF( FT_Int ) - cff_cmap_uni_pair_compare( const void* pair1, - const void* pair2 ) - { - FT_UInt32 u1 = ((CFF_CMapUniPair)pair1)->unicode; - FT_UInt32 u2 = ((CFF_CMapUniPair)pair2)->unicode; - - - if ( u1 < u2 ) - return -1; - - if ( u1 > u2 ) - return +1; - - return 0; - } - - - FT_CALLBACK_DEF( FT_Error ) - cff_cmap_unicode_init( CFF_CMapUnicode cmap ) - { - FT_Error error; - FT_UInt count; - TT_Face face = (TT_Face)FT_CMAP_FACE( cmap ); - FT_Memory memory = FT_FACE_MEMORY( face ); - CFF_Font cff = (CFF_Font)face->extra.data; - CFF_Charset charset = &cff->charset; - FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames; - - - cmap->num_pairs = 0; - cmap->pairs = NULL; - - count = cff->num_glyphs; - - if ( !FT_NEW_ARRAY( cmap->pairs, count ) ) - { - FT_UInt n, new_count; - CFF_CMapUniPair pair; - FT_UInt32 uni_code; - - - pair = cmap->pairs; - for ( n = 0; n < count; n++ ) - { - FT_UInt sid = charset->sids[n]; - const char* gname; - - - gname = cff_index_get_sid_string( &cff->string_index, sid, psnames ); - - /* build unsorted pair table by matching glyph names */ - if ( gname ) - { - uni_code = psnames->unicode_value( gname ); - - if ( uni_code != 0 ) - { - pair->unicode = uni_code; - pair->gindex = n; - pair++; - } - - FT_FREE( gname ); - } - } - - new_count = (FT_UInt)( pair - cmap->pairs ); - if ( new_count == 0 ) - { - /* there are no unicode characters in here! */ - FT_FREE( cmap->pairs ); - error = CFF_Err_Invalid_Argument; - } - else - { - /* re-allocate if the new array is much smaller than the original */ - /* one */ - if ( new_count != count && new_count < count / 2 ) - { - (void)FT_RENEW_ARRAY( cmap->pairs, count, new_count ); - error = CFF_Err_Ok; - } - - /* sort the pairs table to allow efficient binary searches */ - ft_qsort( cmap->pairs, - new_count, - sizeof ( CFF_CMapUniPairRec ), - cff_cmap_uni_pair_compare ); - - cmap->num_pairs = new_count; - } - } - - return error; - } - - - FT_CALLBACK_DEF( void ) - cff_cmap_unicode_done( CFF_CMapUnicode cmap ) - { - FT_Face face = FT_CMAP_FACE( cmap ); - FT_Memory memory = FT_FACE_MEMORY( face ); - - - FT_FREE( cmap->pairs ); - cmap->num_pairs = 0; - } - - - FT_CALLBACK_DEF( FT_UInt ) - cff_cmap_unicode_char_index( CFF_CMapUnicode cmap, - FT_UInt32 char_code ) - { - FT_UInt min = 0; - FT_UInt max = cmap->num_pairs; - FT_UInt mid; - CFF_CMapUniPair pair; - - - while ( min < max ) - { - mid = min + ( max - min ) / 2; - pair = cmap->pairs + mid; - - if ( pair->unicode == char_code ) - return pair->gindex; - - if ( pair->unicode < char_code ) - min = mid + 1; - else - max = mid; - } - return 0; - } - - - FT_CALLBACK_DEF( FT_UInt ) - cff_cmap_unicode_char_next( CFF_CMapUnicode cmap, - FT_UInt32 *pchar_code ) - { - FT_UInt result = 0; - FT_UInt32 char_code = *pchar_code + 1; - - - Restart: - { - FT_UInt min = 0; - FT_UInt max = cmap->num_pairs; - FT_UInt mid; - CFF_CMapUniPair pair; - - - while ( min < max ) - { - mid = min + ( ( max - min ) >> 1 ); - pair = cmap->pairs + mid; - - if ( pair->unicode == char_code ) - { - result = pair->gindex; - if ( result != 0 ) - goto Exit; - - char_code++; - goto Restart; - } - - if ( pair->unicode < char_code ) - min = mid+1; - else - max = mid; - } - - /* we didn't find it, but we have a pair just above it */ - char_code = 0; - - if ( min < cmap->num_pairs ) - { - pair = cmap->pairs + min; - result = pair->gindex; - if ( result != 0 ) - char_code = pair->unicode; - } - } - - Exit: - *pchar_code = char_code; - return result; - } - - - FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec - cff_cmap_unicode_class_rec = - { - sizeof ( CFF_CMapUnicodeRec ), - - (FT_CMap_InitFunc) cff_cmap_unicode_init, - (FT_CMap_DoneFunc) cff_cmap_unicode_done, - (FT_CMap_CharIndexFunc)cff_cmap_unicode_char_index, - (FT_CMap_CharNextFunc) cff_cmap_unicode_char_next - }; - - -/* END */ |