X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=libraries%2Ffreetype-2.0.5%2Fcffobjs.c;fp=libraries%2Ffreetype-2.0.5%2Fcffobjs.c;h=0000000000000000000000000000000000000000;hp=1041ec284b41c91ee12db4be6934a9f2645bd08f;hb=bab0189ee9d56aca8bea909275317ab4e0be09ee;hpb=b837c0527f117b54845242ee7626df6d88394444 diff --git a/libraries/freetype-2.0.5/cffobjs.c b/libraries/freetype-2.0.5/cffobjs.c deleted file mode 100644 index 1041ec2..0000000 --- a/libraries/freetype-2.0.5/cffobjs.c +++ /dev/null @@ -1,598 +0,0 @@ -/***************************************************************************/ -/* */ -/* cffobjs.c */ -/* */ -/* OpenType objects manager (body). */ -/* */ -/* Copyright 1996-2001 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 -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_CALC_H -#include FT_INTERNAL_STREAM_H -#include FT_ERRORS_H -#include FT_TRUETYPE_IDS_H -#include FT_TRUETYPE_TAGS_H -#include FT_INTERNAL_SFNT_H -#include FT_INTERNAL_POSTSCRIPT_NAMES_H -#include "cffobjs.h" -#include "cffload.h" - -#include "cfferrs.h" - -#include /* for strlen() */ - - - /*************************************************************************/ - /* */ - /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ - /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ - /* messages during execution. */ - /* */ -#undef FT_COMPONENT -#define FT_COMPONENT trace_cffobjs - - - /*************************************************************************/ - /* */ - /* FACE FUNCTIONS */ - /* */ - /*************************************************************************/ - - static FT_String* - CFF_StrCopy( FT_Memory memory, - const FT_String* source ) - { - FT_Error error; - FT_String* result = 0; - FT_Int len = (FT_Int)strlen( source ); - - - if ( !ALLOC( result, len + 1 ) ) - { - MEM_Copy( result, source, len ); - result[len] = 0; - } - return result; - } - - -#if 0 - - /* this function is used to build a Unicode charmap from the glyph names */ - /* in a file */ - static FT_Error - CFF_Build_Unicode_Charmap( CFF_Face face, - FT_ULong base_offset, - PSNames_Interface* psnames ) - { - CFF_Font* font = (CFF_Font*)face->extra.data; - FT_Memory memory = FT_FACE_MEMORY(face); - FT_UInt n, num_glyphs = face->root.num_glyphs; - const char** glyph_names; - FT_Error error; - CFF_Font_Dict* dict = &font->top_font.font_dict; - FT_ULong charset_offset; - FT_Byte format; - FT_Stream stream = face->root.stream; - - - charset_offset = dict->charset_offset; - if ( !charset_offset ) - { - FT_ERROR(( "CFF_Build_Unicode_Charmap: charset table is missing\n" )); - error = CFF_Err_Invalid_File_Format; - goto Exit; - } - - /* allocate the charmap */ - if ( ALLOC( face->charmap, ... - - /* seek to charset table and allocate glyph names table */ - if ( FILE_Seek( base_offset + charset_offset ) || - ALLOC_ARRAY( glyph_names, num_glyphs, const char* ) ) - goto Exit; - - /* now, read each glyph name and store it in the glyph name table */ - if ( READ_Byte( format ) ) - goto Fail; - - switch ( format ) - { - case 0: /* format 0 - one SID per glyph */ - { - const char** gname = glyph_names; - const char** limit = gname + num_glyphs; - - - if ( ACCESS_Frame( num_glyphs * 2 ) ) - goto Fail; - - for ( ; gname < limit; gname++ ) - gname[0] = CFF_Get_String( &font->string_index, - GET_UShort(), - psnames ); - FORGET_Frame(); - break; - } - - case 1: /* format 1 - sequential ranges */ - case 2: /* format 2 - sequential ranges with 16-bit counts */ - { - const char** gname = glyph_names; - const char** limit = gname + num_glyphs; - FT_UInt len = 3; - - - if ( format == 2 ) - len++; - - while ( gname < limit ) - { - FT_UInt first; - FT_UInt count; - - - if ( ACCESS_Frame( len ) ) - goto Fail; - - first = GET_UShort(); - if ( format == 3 ) - count = GET_UShort(); - else - count = GET_Byte(); - - FORGET_Frame(); - - for ( ; count > 0; count-- ) - { - gname[0] = CFF_Get_String( &font->string_index, - first, - psnames ); - gname++; - first++; - } - } - break; - } - - default: /* unknown charset format! */ - FT_ERROR(( "CFF_Build_Unicode_Charmap: unknown charset format!\n" )); - error = CFF_Err_Invalid_File_Format; - goto Fail; - } - - /* all right, the glyph names were loaded; we now need to create */ - /* the corresponding unicode charmap */ - - Fail: - for ( n = 0; n < num_glyphs; n++ ) - FREE( glyph_names[n] ); - - FREE( glyph_names ); - - Exit: - return error; - } - -#endif /* 0 */ - - - static FT_Encoding - find_encoding( int platform_id, - int encoding_id ) - { - typedef struct TEncoding - { - int platform_id; - int encoding_id; - FT_Encoding encoding; - - } TEncoding; - - static - const TEncoding tt_encodings[] = - { - { TT_PLATFORM_ISO, -1, ft_encoding_unicode }, - - { TT_PLATFORM_APPLE_UNICODE, -1, ft_encoding_unicode }, - - { TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, ft_encoding_apple_roman }, - - { TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, ft_encoding_unicode }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, ft_encoding_sjis }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_GB2312, ft_encoding_gb2312 }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, ft_encoding_big5 }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, ft_encoding_wansung }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, ft_encoding_johab } - }; - - const TEncoding *cur, *limit; - - - cur = tt_encodings; - limit = cur + sizeof ( tt_encodings ) / sizeof ( tt_encodings[0] ); - - for ( ; cur < limit; cur++ ) - { - if ( cur->platform_id == platform_id ) - { - if ( cur->encoding_id == encoding_id || - cur->encoding_id == -1 ) - return cur->encoding; - } - } - - return ft_encoding_none; - } - - - /*************************************************************************/ - /* */ - /* */ - /* CFF_Init_Face */ - /* */ - /* */ - /* Initializes a given OpenType face object. */ - /* */ - /* */ - /* stream :: The source font stream. */ - /* */ - /* face_index :: The index of the font face in the resource. */ - /* */ - /* num_params :: Number of additional generic parameters. Ignored. */ - /* */ - /* params :: Additional generic parameters. Ignored. */ - /* */ - /* */ - /* face :: The newly built face object. */ - /* */ - /* */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF FT_Error - CFF_Init_Face( FT_Stream stream, - CFF_Face face, - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ) - { - FT_Error error; - SFNT_Interface* sfnt; - PSNames_Interface* psnames; - FT_Bool pure_cff = 1; - FT_Bool sfnt_format = 0; - - - sfnt = (SFNT_Interface*)FT_Get_Module_Interface( - face->root.driver->root.library, "sfnt" ); - if ( !sfnt ) - goto Bad_Format; - - psnames = (PSNames_Interface*)FT_Get_Module_Interface( - face->root.driver->root.library, "psnames" ); - - /* create input stream from resource */ - if ( FILE_Seek( 0 ) ) - goto Exit; - - /* check that we have a valid OpenType file */ - error = sfnt->init_face( stream, face, face_index, num_params, params ); - if ( !error ) - { - if ( face->format_tag != 0x4F54544FL ) /* `OTTO'; OpenType/CFF font */ - { - FT_TRACE2(( "[not a valid OpenType/CFF font]\n" )); - goto Bad_Format; - } - - /* if we are performing a simple font format check, exit immediately */ - if ( face_index < 0 ) - return CFF_Err_Ok; - - sfnt_format = 1; - - /* now, the font can be either an OpenType/CFF font, or an SVG CEF */ - /* font in the later case; it doesn't have a `head' table */ - error = face->goto_table( face, TTAG_head, stream, 0 ); - if ( !error ) - { - pure_cff = 0; - - /* load font directory */ - error = sfnt->load_face( stream, face, - face_index, num_params, params ); - if ( error ) - goto Exit; - } - else - { - /* load the `cmap' table by hand */ - error = sfnt->load_charmaps( face, stream ); - if ( error ) - goto Exit; - - /* XXX: we don't load the GPOS table, as OpenType Layout */ - /* support will be added later to a layout library on top of */ - /* FreeType 2 */ - } - - /* now, load the CFF part of the file */ - error = face->goto_table( face, TTAG_CFF, stream, 0 ); - if ( error ) - goto Exit; - } - else - { - /* rewind to start of file; we are going to load a pure-CFF font */ - if ( FILE_Seek( 0 ) ) - goto Exit; - error = CFF_Err_Ok; - } - - /* now load and parse the CFF table in the file */ - { - CFF_Font* cff; - FT_Memory memory = face->root.memory; - FT_Face root; - FT_UInt flags; - - - if ( ALLOC( cff, sizeof ( *cff ) ) ) - goto Exit; - - face->extra.data = cff; - error = CFF_Load_Font( stream, face_index, cff ); - if ( error ) - goto Exit; - - /* Complement the root flags with some interesting information. */ - /* Note that this is only necessary for pure CFF and CEF fonts. */ - - root = &face->root; - if ( pure_cff ) - { - CFF_Font_Dict* dict = &cff->top_font.font_dict; - - - /* we need the `PSNames' module for pure-CFF and CEF formats */ - if ( !psnames ) - { - FT_ERROR(( "CFF_Init_Face:" )); - FT_ERROR(( " cannot open CFF & CEF fonts\n" )); - FT_ERROR(( " " )); - FT_ERROR(( " without the `PSNames' module\n" )); - goto Bad_Format; - } - - /* Set up num_faces. */ - root->num_faces = cff->num_faces; - - /* compute number of glyphs */ - if ( dict->cid_registry ) - root->num_glyphs = dict->cid_count; - else - root->num_glyphs = cff->charstrings_index.count; - - /* set global bbox, as well as EM size */ - root->bbox = dict->font_bbox; - root->ascender = (FT_Short)( root->bbox.yMax >> 16 ); - root->descender = (FT_Short)( root->bbox.yMin >> 16 ); - root->height = (FT_Short)( - ( ( root->ascender - root->descender ) * 12 ) / 10 ); - - if ( dict->units_per_em ) - root->units_per_EM = dict->units_per_em; - else - root->units_per_EM = 1000; - - /* retrieve font family & style name */ - root->family_name = CFF_Get_Name( &cff->name_index, face_index ); - if ( dict->cid_registry ) - root->style_name = CFF_StrCopy( memory, "Regular" ); /* XXXX */ - else - root->style_name = CFF_Get_String( &cff->string_index, - dict->weight, - psnames ); - - /*******************************************************************/ - /* */ - /* Compute face flags. */ - /* */ - flags = FT_FACE_FLAG_SCALABLE | /* scalable outlines */ - FT_FACE_FLAG_HORIZONTAL; /* horizontal data */ - - if ( sfnt_format ) - flags |= FT_FACE_FLAG_SFNT; - - /* fixed width font? */ - if ( dict->is_fixed_pitch ) - flags |= FT_FACE_FLAG_FIXED_WIDTH; - - /* XXX: WE DO NOT SUPPORT KERNING METRICS IN THE GPOS TABLE FOR NOW */ -#if 0 - /* kerning available? */ - if ( face->kern_pairs ) - flags |= FT_FACE_FLAG_KERNING; -#endif - -#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES - flags |= FT_FACE_FLAG_GLYPH_NAMES; -#endif - - root->face_flags = flags; - - /*******************************************************************/ - /* */ - /* Compute style flags. */ - /* */ - flags = 0; - - if ( dict->italic_angle ) - flags |= FT_STYLE_FLAG_ITALIC; - - /* XXX: may not be correct */ - if ( cff->top_font.private_dict.force_bold ) - flags |= FT_STYLE_FLAG_BOLD; - - root->style_flags = flags; - - /* set the charmaps if any */ - if ( sfnt_format ) - { - /*****************************************************************/ - /* */ - /* Polish the charmaps. */ - /* */ - /* Try to set the charmap encoding according to the platform & */ - /* encoding ID of each charmap. */ - /* */ - TT_CharMap charmap; - FT_Int n; - - - charmap = face->charmaps; - root->num_charmaps = face->num_charmaps; - - /* allocate table of pointers */ - if ( ALLOC_ARRAY( root->charmaps, root->num_charmaps, FT_CharMap ) ) - goto Exit; - - for ( n = 0; n < root->num_charmaps; n++, charmap++ ) - { - FT_Int platform = charmap->cmap.platformID; - FT_Int encoding = charmap->cmap.platformEncodingID; - - - charmap->root.face = (FT_Face)face; - charmap->root.platform_id = (FT_UShort)platform; - charmap->root.encoding_id = (FT_UShort)encoding; - charmap->root.encoding = find_encoding( platform, encoding ); - - /* now, set root->charmap with a unicode charmap */ - /* wherever available */ - if ( !root->charmap && - charmap->root.encoding == ft_encoding_unicode ) - root->charmap = (FT_CharMap)charmap; - - root->charmaps[n] = (FT_CharMap)charmap; - } - } - } - } - - Exit: - return error; - - Bad_Format: - error = CFF_Err_Unknown_File_Format; - goto Exit; - } - - - /*************************************************************************/ - /* */ - /* */ - /* CFF_Done_Face */ - /* */ - /* */ - /* Finalizes a given face object. */ - /* */ - /* */ - /* face :: A pointer to the face object to destroy. */ - /* */ - FT_LOCAL_DEF void - CFF_Done_Face( CFF_Face face ) - { - FT_Memory memory = face->root.memory; - SFNT_Interface* sfnt = (SFNT_Interface*)face->sfnt; - - - if ( sfnt ) - sfnt->done_face( face ); - - { - CFF_Font* cff = (CFF_Font*)face->extra.data; - - - if ( cff ) - { - CFF_Done_Font( cff ); - FREE( face->extra.data ); - } - } - } - - - /*************************************************************************/ - /* */ - /* */ - /* CFF_Init_Driver */ - /* */ - /* */ - /* Initializes a given OpenType driver object. */ - /* */ - /* */ - /* driver :: A handle to the target driver object. */ - /* */ - /* */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF FT_Error - CFF_Init_Driver( CFF_Driver driver ) - { - /* init extension registry if needed */ - -#ifdef TT_CONFIG_OPTION_EXTEND_ENGINE - - return TT_Init_Extensions( driver ); - -#else - - FT_UNUSED( driver ); - - return CFF_Err_Ok; - -#endif - } - - - /*************************************************************************/ - /* */ - /* */ - /* CFF_Done_Driver */ - /* */ - /* */ - /* Finalizes a given OpenType driver. */ - /* */ - /* */ - /* driver :: A handle to the target OpenType driver. */ - /* */ - FT_LOCAL_DEF void - CFF_Done_Driver( CFF_Driver driver ) - { - /* destroy extensions registry if needed */ - -#ifdef TT_CONFIG_OPTION_EXTEND_ENGINE - - TT_Done_Extensions( driver ); - -#else - - FT_UNUSED( driver ); - -#endif - } - - -/* END */