diff options
Diffstat (limited to 'nx-X11/extras/freetype2/src/sfnt/sfdriver.c')
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/sfdriver.c | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/nx-X11/extras/freetype2/src/sfnt/sfdriver.c b/nx-X11/extras/freetype2/src/sfnt/sfdriver.c new file mode 100644 index 000000000..7da53d2f1 --- /dev/null +++ b/nx-X11/extras/freetype2/src/sfnt/sfdriver.c @@ -0,0 +1,400 @@ +/***************************************************************************/ +/* */ +/* sfdriver.c */ +/* */ +/* High-level SFNT driver interface (body). */ +/* */ +/* Copyright 1996-2001, 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 <ft2build.h> +#include FT_INTERNAL_SFNT_H +#include FT_INTERNAL_OBJECTS_H + +#include "sfdriver.h" +#include "ttload.h" +#include "sfobjs.h" + +#include "sferrors.h" + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS +#include "ttsbit.h" +#endif + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES +#include "ttpost.h" +#endif + +#include "ttcmap0.h" + +#include FT_SERVICE_GLYPH_DICT_H +#include FT_SERVICE_POSTSCRIPT_NAME_H +#include FT_SERVICE_SFNT_H +#include FT_SERVICE_TT_CMAP_H + + + /* + * SFNT TABLE SERVICE + * + */ + + static void* + get_sfnt_table( TT_Face face, + FT_Sfnt_Tag tag ) + { + void* table; + + + switch ( tag ) + { + case ft_sfnt_head: + table = &face->header; + break; + + case ft_sfnt_hhea: + table = &face->horizontal; + break; + + case ft_sfnt_vhea: + table = face->vertical_info ? &face->vertical : 0; + break; + + case ft_sfnt_os2: + table = face->os2.version == 0xFFFFU ? 0 : &face->os2; + break; + + case ft_sfnt_post: + table = &face->postscript; + break; + + case ft_sfnt_maxp: + table = &face->max_profile; + break; + + case ft_sfnt_pclt: + table = face->pclt.Version ? &face->pclt : 0; + break; + + default: + table = 0; + } + + return table; + } + + + static const FT_Service_SFNT_TableRec sfnt_service_sfnt_table = + { + (FT_SFNT_TableLoadFunc)tt_face_load_any, + (FT_SFNT_TableGetFunc) get_sfnt_table + }; + + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES + + /* + * GLYPH DICT SERVICE + * + */ + + static FT_Error + sfnt_get_glyph_name( TT_Face face, + FT_UInt glyph_index, + FT_Pointer buffer, + FT_UInt buffer_max ) + { + FT_String* gname; + FT_Error error; + + + error = tt_face_get_ps_name( face, glyph_index, &gname ); + if ( !error && buffer_max > 0 ) + { + FT_UInt len = (FT_UInt)( ft_strlen( gname ) ); + + + if ( len >= buffer_max ) + len = buffer_max - 1; + + FT_MEM_COPY( buffer, gname, len ); + ((FT_Byte*)buffer)[len] = 0; + } + + return error; + } + + + static const FT_Service_GlyphDictRec sfnt_service_glyph_dict = + { + (FT_GlyphDict_GetNameFunc) sfnt_get_glyph_name, + (FT_GlyphDict_NameIndexFunc)NULL + }; + +#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + + /* + * POSTSCRIPT NAME SERVICE + * + */ + + static const char* + sfnt_get_ps_name( TT_Face face ) + { + FT_Int n, found_win, found_apple; + const char* result = NULL; + + + /* shouldn't happen, but just in case to avoid memory leaks */ + if ( face->postscript_name ) + return face->postscript_name; + + /* scan the name table to see whether we have a Postscript name here, */ + /* either in Macintosh or Windows platform encodings */ + found_win = -1; + found_apple = -1; + + for ( n = 0; n < face->num_names; n++ ) + { + TT_NameEntryRec* name = face->name_table.names + n; + + + if ( name->nameID == 6 && name->stringLength > 0 ) + { + if ( name->platformID == 3 && + name->encodingID == 1 && + name->languageID == 0x409 ) + found_win = n; + + if ( name->platformID == 1 && + name->encodingID == 0 && + name->languageID == 0 ) + found_apple = n; + } + } + + if ( found_win != -1 ) + { + FT_Memory memory = face->root.memory; + TT_NameEntryRec* name = face->name_table.names + found_win; + FT_UInt len = name->stringLength / 2; + FT_Error error = SFNT_Err_Ok; + + FT_UNUSED( error ); + + + if ( !FT_ALLOC( result, name->stringLength + 1 ) ) + { + FT_Stream stream = face->name_table.stream; + FT_String* r = (FT_String*)result; + FT_Byte* p = (FT_Byte*)name->string; + + + if ( FT_STREAM_SEEK( name->stringOffset ) || + FT_FRAME_ENTER( name->stringLength ) ) + { + FT_FREE( result ); + name->stringLength = 0; + name->stringOffset = 0; + FT_FREE( name->string ); + + goto Exit; + } + + p = (FT_Byte*)stream->cursor; + + for ( ; len > 0; len--, p += 2 ) + { + if ( p[0] == 0 && p[1] >= 32 && p[1] < 128 ) + *r++ = p[1]; + } + *r = '\0'; + + FT_FRAME_EXIT(); + } + goto Exit; + } + + if ( found_apple != -1 ) + { + FT_Memory memory = face->root.memory; + TT_NameEntryRec* name = face->name_table.names + found_apple; + FT_UInt len = name->stringLength; + FT_Error error = SFNT_Err_Ok; + + FT_UNUSED( error ); + + + if ( !FT_ALLOC( result, len + 1 ) ) + { + FT_Stream stream = face->name_table.stream; + + + if ( FT_STREAM_SEEK( name->stringOffset ) || + FT_STREAM_READ( result, len ) ) + { + name->stringOffset = 0; + name->stringLength = 0; + FT_FREE( name->string ); + FT_FREE( result ); + goto Exit; + } + ((char*)result)[len] = '\0'; + } + } + + Exit: + face->postscript_name = result; + return result; + } + + static const FT_Service_PsFontNameRec sfnt_service_ps_name = + { + (FT_PsName_GetFunc)sfnt_get_ps_name + }; + + + /* + * TT CMAP INFO + * + */ + static const FT_Service_TTCMapsRec tt_service_get_cmap_info = + { + (TT_CMap_Info_GetFunc)tt_get_cmap_info + }; + + + /* + * SERVICE LIST + * + */ + + static const FT_ServiceDescRec sfnt_services[] = + { + { FT_SERVICE_ID_SFNT_TABLE, &sfnt_service_sfnt_table }, + { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &sfnt_service_ps_name }, +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES + { FT_SERVICE_ID_GLYPH_DICT, &sfnt_service_glyph_dict }, +#endif + { FT_SERVICE_ID_TT_CMAP, &tt_service_get_cmap_info }, + + { NULL, NULL } + }; + + + FT_CALLBACK_DEF( FT_Module_Interface ) + sfnt_get_interface( FT_Module module, + const char* module_interface ) + { + FT_UNUSED( module ); + + if ( ft_strcmp( module_interface, "get_sfnt" ) == 0 ) + return (FT_Module_Interface)get_sfnt_table; + + if ( ft_strcmp( module_interface, "load_sfnt" ) == 0 ) + return (FT_Module_Interface)tt_face_load_any; + + return ft_service_list_lookup( sfnt_services, module_interface ); + } + + + static + const SFNT_Interface sfnt_interface = + { + tt_face_goto_table, + + sfnt_init_face, + sfnt_load_face, + sfnt_done_face, + sfnt_get_interface, + + tt_face_load_any, + tt_face_load_sfnt_header, + tt_face_load_directory, + + tt_face_load_header, + tt_face_load_metrics_header, + tt_face_load_cmap, + tt_face_load_max_profile, + tt_face_load_os2, + tt_face_load_postscript, + + tt_face_load_names, + tt_face_free_names, + + tt_face_load_hdmx, + tt_face_free_hdmx, + + tt_face_load_kern, + tt_face_load_gasp, + tt_face_load_pclt, + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + /* see `ttload.h' */ + tt_face_load_bitmap_header, + + /* see `ttsbit.h' and `sfnt.h' */ + tt_face_set_sbit_strike, + tt_face_load_sbit_strikes, + tt_find_sbit_image, + tt_load_sbit_metrics, + tt_face_load_sbit_image, + tt_face_free_sbit_strikes, + +#else /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + 0, + 0, + 0, + 0, + 0, + 0, + 0, + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES + + /* see `ttpost.h' */ + tt_face_get_ps_name, + tt_face_free_ps_names, + +#else /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + 0, + 0, + +#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + }; + + + FT_CALLBACK_TABLE_DEF + const FT_Module_Class sfnt_module_class = + { + 0, /* not a font driver or renderer */ + sizeof( FT_ModuleRec ), + + "sfnt", /* driver name */ + 0x10000L, /* driver version 1.0 */ + 0x20000L, /* driver requires FreeType 2.0 or higher */ + + (const void*)&sfnt_interface, /* module specific interface */ + + (FT_Module_Constructor)0, + (FT_Module_Destructor) 0, + (FT_Module_Requester) sfnt_get_interface + }; + + +/* END */ |