vrshoot
diff libs/ft2static/freetype/internal/ftrfork.h @ 0:b2f14e535253
initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Sat, 01 Feb 2014 19:58:19 +0200 |
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children |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/ft2static/freetype/internal/ftrfork.h Sat Feb 01 19:58:19 2014 +0200 1.3 @@ -0,0 +1,196 @@ 1.4 +/***************************************************************************/ 1.5 +/* */ 1.6 +/* ftrfork.h */ 1.7 +/* */ 1.8 +/* Embedded resource forks accessor (specification). */ 1.9 +/* */ 1.10 +/* Copyright 2004, 2006, 2007 by */ 1.11 +/* Masatake YAMATO and Redhat K.K. */ 1.12 +/* */ 1.13 +/* This file is part of the FreeType project, and may only be used, */ 1.14 +/* modified, and distributed under the terms of the FreeType project */ 1.15 +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 1.16 +/* this file you indicate that you have read the license and */ 1.17 +/* understand and accept it fully. */ 1.18 +/* */ 1.19 +/***************************************************************************/ 1.20 + 1.21 +/***************************************************************************/ 1.22 +/* Development of the code in this file is support of */ 1.23 +/* Information-technology Promotion Agency, Japan. */ 1.24 +/***************************************************************************/ 1.25 + 1.26 + 1.27 +#ifndef __FTRFORK_H__ 1.28 +#define __FTRFORK_H__ 1.29 + 1.30 + 1.31 +#include <ft2build.h> 1.32 +#include FT_INTERNAL_OBJECTS_H 1.33 + 1.34 + 1.35 +FT_BEGIN_HEADER 1.36 + 1.37 + 1.38 + /* Number of guessing rules supported in `FT_Raccess_Guess'. */ 1.39 + /* Don't forget to increment the number if you add a new guessing rule. */ 1.40 +#define FT_RACCESS_N_RULES 9 1.41 + 1.42 + 1.43 + /* A structure to describe a reference in a resource by its resource ID */ 1.44 + /* and internal offset. The `POST' resource expects to be concatenated */ 1.45 + /* by the order of resource IDs instead of its appearance in the file. */ 1.46 + 1.47 + typedef struct FT_RFork_Ref_ 1.48 + { 1.49 + FT_UShort res_id; 1.50 + FT_ULong offset; 1.51 + 1.52 + } FT_RFork_Ref; 1.53 + 1.54 + 1.55 + /*************************************************************************/ 1.56 + /* */ 1.57 + /* <Function> */ 1.58 + /* FT_Raccess_Guess */ 1.59 + /* */ 1.60 + /* <Description> */ 1.61 + /* Guess a file name and offset where the actual resource fork is */ 1.62 + /* stored. The macro FT_RACCESS_N_RULES holds the number of */ 1.63 + /* guessing rules; the guessed result for the Nth rule is */ 1.64 + /* represented as a triplet: a new file name (new_names[N]), a file */ 1.65 + /* offset (offsets[N]), and an error code (errors[N]). */ 1.66 + /* */ 1.67 + /* <Input> */ 1.68 + /* library :: */ 1.69 + /* A FreeType library instance. */ 1.70 + /* */ 1.71 + /* stream :: */ 1.72 + /* A file stream containing the resource fork. */ 1.73 + /* */ 1.74 + /* base_name :: */ 1.75 + /* The (base) file name of the resource fork used for some */ 1.76 + /* guessing rules. */ 1.77 + /* */ 1.78 + /* <Output> */ 1.79 + /* new_names :: */ 1.80 + /* An array of guessed file names in which the resource forks may */ 1.81 + /* exist. If `new_names[N]' is NULL, the guessed file name is */ 1.82 + /* equal to `base_name'. */ 1.83 + /* */ 1.84 + /* offsets :: */ 1.85 + /* An array of guessed file offsets. `offsets[N]' holds the file */ 1.86 + /* offset of the possible start of the resource fork in file */ 1.87 + /* `new_names[N]'. */ 1.88 + /* */ 1.89 + /* errors :: */ 1.90 + /* An array of FreeType error codes. `errors[N]' is the error */ 1.91 + /* code of Nth guessing rule function. If `errors[N]' is not */ 1.92 + /* FT_Err_Ok, `new_names[N]' and `offsets[N]' are meaningless. */ 1.93 + /* */ 1.94 + FT_BASE( void ) 1.95 + FT_Raccess_Guess( FT_Library library, 1.96 + FT_Stream stream, 1.97 + char* base_name, 1.98 + char** new_names, 1.99 + FT_Long* offsets, 1.100 + FT_Error* errors ); 1.101 + 1.102 + 1.103 + /*************************************************************************/ 1.104 + /* */ 1.105 + /* <Function> */ 1.106 + /* FT_Raccess_Get_HeaderInfo */ 1.107 + /* */ 1.108 + /* <Description> */ 1.109 + /* Get the information from the header of resource fork. The */ 1.110 + /* information includes the file offset where the resource map */ 1.111 + /* starts, and the file offset where the resource data starts. */ 1.112 + /* `FT_Raccess_Get_DataOffsets' requires these two data. */ 1.113 + /* */ 1.114 + /* <Input> */ 1.115 + /* library :: */ 1.116 + /* A FreeType library instance. */ 1.117 + /* */ 1.118 + /* stream :: */ 1.119 + /* A file stream containing the resource fork. */ 1.120 + /* */ 1.121 + /* rfork_offset :: */ 1.122 + /* The file offset where the resource fork starts. */ 1.123 + /* */ 1.124 + /* <Output> */ 1.125 + /* map_offset :: */ 1.126 + /* The file offset where the resource map starts. */ 1.127 + /* */ 1.128 + /* rdata_pos :: */ 1.129 + /* The file offset where the resource data starts. */ 1.130 + /* */ 1.131 + /* <Return> */ 1.132 + /* FreeType error code. FT_Err_Ok means success. */ 1.133 + /* */ 1.134 + FT_BASE( FT_Error ) 1.135 + FT_Raccess_Get_HeaderInfo( FT_Library library, 1.136 + FT_Stream stream, 1.137 + FT_Long rfork_offset, 1.138 + FT_Long *map_offset, 1.139 + FT_Long *rdata_pos ); 1.140 + 1.141 + 1.142 + /*************************************************************************/ 1.143 + /* */ 1.144 + /* <Function> */ 1.145 + /* FT_Raccess_Get_DataOffsets */ 1.146 + /* */ 1.147 + /* <Description> */ 1.148 + /* Get the data offsets for a tag in a resource fork. Offsets are */ 1.149 + /* stored in an array because, in some cases, resources in a resource */ 1.150 + /* fork have the same tag. */ 1.151 + /* */ 1.152 + /* <Input> */ 1.153 + /* library :: */ 1.154 + /* A FreeType library instance. */ 1.155 + /* */ 1.156 + /* stream :: */ 1.157 + /* A file stream containing the resource fork. */ 1.158 + /* */ 1.159 + /* map_offset :: */ 1.160 + /* The file offset where the resource map starts. */ 1.161 + /* */ 1.162 + /* rdata_pos :: */ 1.163 + /* The file offset where the resource data starts. */ 1.164 + /* */ 1.165 + /* tag :: */ 1.166 + /* The resource tag. */ 1.167 + /* */ 1.168 + /* <Output> */ 1.169 + /* offsets :: */ 1.170 + /* The stream offsets for the resource data specified by `tag'. */ 1.171 + /* This array is allocated by the function, so you have to call */ 1.172 + /* @ft_mem_free after use. */ 1.173 + /* */ 1.174 + /* count :: */ 1.175 + /* The length of offsets array. */ 1.176 + /* */ 1.177 + /* <Return> */ 1.178 + /* FreeType error code. FT_Err_Ok means success. */ 1.179 + /* */ 1.180 + /* <Note> */ 1.181 + /* Normally you should use `FT_Raccess_Get_HeaderInfo' to get the */ 1.182 + /* value for `map_offset' and `rdata_pos'. */ 1.183 + /* */ 1.184 + FT_BASE( FT_Error ) 1.185 + FT_Raccess_Get_DataOffsets( FT_Library library, 1.186 + FT_Stream stream, 1.187 + FT_Long map_offset, 1.188 + FT_Long rdata_pos, 1.189 + FT_Long tag, 1.190 + FT_Long **offsets, 1.191 + FT_Long *count ); 1.192 + 1.193 + 1.194 +FT_END_HEADER 1.195 + 1.196 +#endif /* __FTRFORK_H__ */ 1.197 + 1.198 + 1.199 +/* END */