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svsfnt.h
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00001 /***************************************************************************/ 00002 /* */ 00003 /* svsfnt.h */ 00004 /* */ 00005 /* The FreeType SFNT table loading service (specification). */ 00006 /* */ 00007 /* Copyright 2003, 2004 by */ 00008 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ 00009 /* */ 00010 /* This file is part of the FreeType project, and may only be used, */ 00011 /* modified, and distributed under the terms of the FreeType project */ 00012 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 00013 /* this file you indicate that you have read the license and */ 00014 /* understand and accept it fully. */ 00015 /* */ 00016 /***************************************************************************/ 00017 00018 00019 #ifndef __SVSFNT_H__ 00020 #define __SVSFNT_H__ 00021 00022 #include FT_INTERNAL_SERVICE_H 00023 #include FT_TRUETYPE_TABLES_H 00024 00025 00026 FT_BEGIN_HEADER 00027 00028 00029 /* 00030 * SFNT table loading service. 00031 */ 00032 00033 #define FT_SERVICE_ID_SFNT_TABLE "sfnt-table" 00034 00035 00036 /* 00037 * Used to implement FT_Load_Sfnt_Table(). 00038 */ 00039 typedef FT_Error 00040 (*FT_SFNT_TableLoadFunc)( FT_Face face, 00041 FT_ULong tag, 00042 FT_Long offset, 00043 FT_Byte* buffer, 00044 FT_ULong* length ); 00045 00046 /* 00047 * Used to implement FT_Get_Sfnt_Table(). 00048 */ 00049 typedef void* 00050 (*FT_SFNT_TableGetFunc)( FT_Face face, 00051 FT_Sfnt_Tag tag ); 00052 00053 00054 /* 00055 * Used to implement FT_Sfnt_Table_Info(). 00056 */ 00057 typedef FT_Error 00058 (*FT_SFNT_TableInfoFunc)( FT_Face face, 00059 FT_UInt idx, 00060 FT_ULong *tag, 00061 FT_ULong *offset, 00062 FT_ULong *length ); 00063 00064 00065 FT_DEFINE_SERVICE( SFNT_Table ) 00066 { 00067 FT_SFNT_TableLoadFunc load_table; 00068 FT_SFNT_TableGetFunc get_table; 00069 FT_SFNT_TableInfoFunc table_info; 00070 }; 00071 00072 #ifndef FT_CONFIG_OPTION_PIC 00073 00074 #define FT_DEFINE_SERVICE_SFNT_TABLEREC(class_, load_, get_, info_) \ 00075 static const FT_Service_SFNT_TableRec class_ = \ 00076 { \ 00077 load_, get_, info_ \ 00078 }; 00079 00080 #else /* FT_CONFIG_OPTION_PIC */ 00081 00082 #define FT_DEFINE_SERVICE_SFNT_TABLEREC(class_, load_, get_, info_) \ 00083 void \ 00084 FT_Init_Class_##class_( FT_Service_SFNT_TableRec* clazz ) \ 00085 { \ 00086 clazz->load_table = load_; \ 00087 clazz->get_table = get_; \ 00088 clazz->table_info = info_; \ 00089 } 00090 00091 #endif /* FT_CONFIG_OPTION_PIC */ 00092 00093 /* */ 00094 00095 00096 FT_END_HEADER 00097 00098 00099 #endif /* __SVSFNT_H__ */ 00100 00101 00102 /* END */
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