XFA: merge patch from CL 817753002
[pdfium.git] / core / src / fxge / fx_freetype / fxft2.5.01 / src / base / ftgxval.c
1 /***************************************************************************/
2 /*                                                                         */
3 /*  ftgxval.c                                                              */
4 /*                                                                         */
5 /*    FreeType API for validating TrueTyepGX/AAT tables (body).            */
6 /*                                                                         */
7 /*  Copyright 2004-2006, 2010, 2013 by                                     */
8 /*  Masatake YAMATO, Redhat K.K,                                           */
9 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
10 /*                                                                         */
11 /*  This file is part of the FreeType project, and may only be used,       */
12 /*  modified, and distributed under the terms of the FreeType project      */
13 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
14 /*  this file you indicate that you have read the license and              */
15 /*  understand and accept it fully.                                        */
16 /*                                                                         */
17 /***************************************************************************/
18
19 /***************************************************************************/
20 /*                                                                         */
21 /* gxvalid is derived from both gxlayout module and otvalid module.        */
22 /* Development of gxlayout is supported by the Information-technology      */
23 /* Promotion Agency(IPA), Japan.                                           */
24 /*                                                                         */
25 /***************************************************************************/
26
27
28 #include "../../include/ft2build.h"
29 #include "../../include/freetype/internal/ftdebug.h"
30
31 #include "../../include/freetype/internal/ftobjs.h"
32 #include "../../include/freetype/internal/services/svgxval.h"
33
34
35   /* documentation is in ftgxval.h */
36
37   FT_EXPORT_DEF( FT_Error )
38   FT_TrueTypeGX_Validate( FT_Face   face,
39                           FT_UInt   validation_flags,
40                           FT_Bytes  tables[FT_VALIDATE_GX_LENGTH],
41                           FT_UInt   table_length )
42   {
43     FT_Service_GXvalidate  service;
44     FT_Error               error;
45
46
47     if ( !face )
48     {
49       error = FT_THROW( Invalid_Face_Handle );
50       goto Exit;
51     }
52
53     if ( tables == NULL )
54     {
55       error = FT_THROW( Invalid_Argument );
56       goto Exit;
57     }
58
59     FT_FACE_FIND_GLOBAL_SERVICE( face, service, GX_VALIDATE );
60
61     if ( service )
62       error = service->validate( face,
63                                  validation_flags,
64                                  tables,
65                                  table_length );
66     else
67       error = FT_THROW( Unimplemented_Feature );
68
69   Exit:
70     return error;
71   }
72
73
74   FT_EXPORT_DEF( void )
75   FT_TrueTypeGX_Free( FT_Face   face,
76                       FT_Bytes  table )
77   {
78     FT_Memory  memory;
79
80
81     if ( !face )
82       return;
83
84     memory = FT_FACE_MEMORY( face );
85
86     FT_FREE( table );
87   }
88
89
90   FT_EXPORT_DEF( FT_Error )
91   FT_ClassicKern_Validate( FT_Face    face,
92                            FT_UInt    validation_flags,
93                            FT_Bytes  *ckern_table )
94   {
95     FT_Service_CKERNvalidate  service;
96     FT_Error                  error;
97
98
99     if ( !face )
100     {
101       error = FT_THROW( Invalid_Face_Handle );
102       goto Exit;
103     }
104
105     if ( ckern_table == NULL )
106     {
107       error = FT_THROW( Invalid_Argument );
108       goto Exit;
109     }
110
111     FT_FACE_FIND_GLOBAL_SERVICE( face, service, CLASSICKERN_VALIDATE );
112
113     if ( service )
114       error = service->validate( face,
115                                  validation_flags,
116                                  ckern_table );
117     else
118       error = FT_THROW( Unimplemented_Feature );
119
120   Exit:
121     return error;
122   }
123
124
125   FT_EXPORT_DEF( void )
126   FT_ClassicKern_Free( FT_Face   face,
127                        FT_Bytes  table )
128   {
129     FT_Memory  memory;
130
131
132     if ( !face )
133       return;
134
135     memory = FT_FACE_MEMORY( face );
136
137
138     FT_FREE( table );
139   }
140
141
142 /* END */