| 1 | /***************************************************************************/ |
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| 2 | /* */ |
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| 3 | /* ftgxval.c */ |
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| 4 | /* */ |
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| 5 | /* FreeType API for validating TrueTyepGX/AAT tables (body). */ |
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| 6 | /* */ |
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| 7 | /* Copyright 2004, 2005, 2006 by */ |
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| 8 | /* Masatake YAMATO, Redhat K.K, */ |
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| 9 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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| 10 | /* */ |
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| 11 | /* This file is part of the FreeType project, and may only be used, */ |
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| 12 | /* modified, and distributed under the terms of the FreeType project */ |
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| 13 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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| 14 | /* this file you indicate that you have read the license and */ |
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| 15 | /* understand and accept it fully. */ |
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| 16 | /* */ |
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| 17 | /***************************************************************************/ |
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| 18 | |
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| 19 | /***************************************************************************/ |
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| 20 | /* */ |
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| 21 | /* gxvalid is derived from both gxlayout module and otvalid module. */ |
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| 22 | /* Development of gxlayout is supported by the Information-technology */ |
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| 23 | /* Promotion Agency(IPA), Japan. */ |
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| 24 | /* */ |
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| 25 | /***************************************************************************/ |
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| 26 | |
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| 27 | |
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| 28 | #include <ft2build.h> |
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| 29 | #include FT_INTERNAL_OBJECTS_H |
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| 30 | #include FT_SERVICE_GX_VALIDATE_H |
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| 31 | |
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| 32 | |
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| 33 | /* documentation is in ftgxval.h */ |
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| 34 | |
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| 35 | FT_EXPORT_DEF( FT_Error ) |
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| 36 | FT_TrueTypeGX_Validate( FT_Face face, |
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| 37 | FT_UInt validation_flags, |
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| 38 | FT_Bytes tables[FT_VALIDATE_GX_LENGTH], |
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| 39 | FT_UInt table_length ) |
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| 40 | { |
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| 41 | FT_Service_GXvalidate service; |
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| 42 | FT_Error error; |
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| 43 | |
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| 44 | |
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| 45 | if ( !face ) |
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| 46 | { |
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| 47 | error = FT_Err_Invalid_Face_Handle; |
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| 48 | goto Exit; |
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| 49 | } |
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| 50 | |
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| 51 | if ( tables == NULL ) |
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| 52 | { |
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| 53 | error = FT_Err_Invalid_Argument; |
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| 54 | goto Exit; |
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| 55 | } |
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| 56 | |
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| 57 | FT_FACE_FIND_GLOBAL_SERVICE( face, service, GX_VALIDATE ); |
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| 58 | |
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| 59 | if ( service ) |
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| 60 | error = service->validate( face, |
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| 61 | validation_flags, |
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| 62 | tables, |
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| 63 | table_length ); |
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| 64 | else |
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| 65 | error = FT_Err_Unimplemented_Feature; |
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| 66 | |
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| 67 | Exit: |
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| 68 | return error; |
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| 69 | } |
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| 70 | |
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| 71 | |
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| 72 | FT_EXPORT_DEF( void ) |
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| 73 | FT_TrueTypeGX_Free( FT_Face face, |
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| 74 | FT_Bytes table ) |
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| 75 | { |
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| 76 | FT_Memory memory = FT_FACE_MEMORY( face ); |
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| 77 | |
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| 78 | |
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| 79 | FT_FREE( table ); |
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| 80 | } |
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| 81 | |
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| 82 | |
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| 83 | FT_EXPORT_DEF( FT_Error ) |
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| 84 | FT_ClassicKern_Validate( FT_Face face, |
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| 85 | FT_UInt validation_flags, |
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| 86 | FT_Bytes *ckern_table ) |
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| 87 | { |
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| 88 | FT_Service_CKERNvalidate service; |
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| 89 | FT_Error error; |
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| 90 | |
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| 91 | |
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| 92 | if ( !face ) |
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| 93 | { |
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| 94 | error = FT_Err_Invalid_Face_Handle; |
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| 95 | goto Exit; |
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| 96 | } |
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| 97 | |
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| 98 | if ( ckern_table == NULL ) |
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| 99 | { |
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| 100 | error = FT_Err_Invalid_Argument; |
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| 101 | goto Exit; |
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| 102 | } |
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| 103 | |
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| 104 | FT_FACE_FIND_GLOBAL_SERVICE( face, service, CLASSICKERN_VALIDATE ); |
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| 105 | |
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| 106 | if ( service ) |
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| 107 | error = service->validate( face, |
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| 108 | validation_flags, |
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| 109 | ckern_table ); |
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| 110 | else |
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| 111 | error = FT_Err_Unimplemented_Feature; |
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| 112 | |
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| 113 | Exit: |
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| 114 | return error; |
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| 115 | } |
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| 116 | |
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| 117 | |
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| 118 | FT_EXPORT_DEF( void ) |
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| 119 | FT_ClassicKern_Free( FT_Face face, |
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| 120 | FT_Bytes table ) |
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| 121 | { |
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| 122 | FT_Memory memory = FT_FACE_MEMORY( face ); |
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| 123 | |
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| 124 | |
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| 125 | FT_FREE( table ); |
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| 126 | } |
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| 127 | |
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| 128 | |
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| 129 | /* END */ |
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