1 /*
2  * Copyright (C) 1998-2004  David Turner and Werner Lemberg
3  * Copyright (C) 2006  Behdad Esfahbod
4  *
5  * This is part of HarfBuzz, an OpenType Layout engine library.
6  *
7  * Permission is hereby granted, without written agreement and without
8  * license or royalty fees, to use, copy, modify, and distribute this
9  * software and its documentation for any purpose, provided that the
10  * above copyright notice and the following two paragraphs appear in
11  * all copies of this software.
12  *
13  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
17  * DAMAGE.
18  *
19  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
22  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24  */
25 
26 #ifndef HARFBUZZ_OPEN_PRIVATE_H
27 #define HARFBUZZ_OPEN_PRIVATE_H
28 
29 #include "harfbuzz-impl.h"
30 #include "harfbuzz-open.h"
31 #include "harfbuzz-gsub-private.h"
32 #include "harfbuzz-gpos-private.h"
33 
34 HB_BEGIN_HEADER
35 
36 
37 struct  HB_SubTable_
38 {
39   union
40   {
41     HB_GSUB_SubTable  gsub;
42     HB_GPOS_SubTable  gpos;
43   } st;
44 };
45 
46 
47 HB_INTERNAL HB_Error
48 _HB_OPEN_Load_ScriptList( HB_ScriptList* sl,
49 			   HB_Stream     input );
50 HB_INTERNAL HB_Error
51 _HB_OPEN_Load_FeatureList( HB_FeatureList* fl,
52 			    HB_Stream         input );
53 HB_INTERNAL HB_Error
54 _HB_OPEN_Load_LookupList( HB_LookupList*  ll,
55 			   HB_Stream        input,
56 			   HB_Type         type );
57 
58 HB_INTERNAL HB_Error
59 _HB_OPEN_Load_Coverage( HB_Coverage* c,
60 			 HB_Stream      input );
61 HB_INTERNAL HB_Error
62 _HB_OPEN_Load_ClassDefinition( HB_ClassDefinition* cd,
63 				HB_UShort             limit,
64 				HB_Stream             input );
65 HB_INTERNAL HB_Error
66 _HB_OPEN_Load_EmptyOrClassDefinition( HB_ClassDefinition* cd,
67 					       HB_UShort             limit,
68 					       HB_UInt              class_offset,
69 					       HB_UInt              base_offset,
70 					       HB_Stream             input );
71 HB_INTERNAL HB_Error
72 _HB_OPEN_Load_Device( HB_Device** d,
73 		       HB_Stream    input );
74 
75 HB_INTERNAL void  _HB_OPEN_Free_ScriptList( HB_ScriptList*  sl );
76 HB_INTERNAL void  _HB_OPEN_Free_FeatureList( HB_FeatureList*  fl );
77 HB_INTERNAL void  _HB_OPEN_Free_LookupList( HB_LookupList*  ll,
78 		       HB_Type         type );
79 
80 HB_INTERNAL void  _HB_OPEN_Free_Coverage( HB_Coverage*  c );
81 HB_INTERNAL void  _HB_OPEN_Free_ClassDefinition( HB_ClassDefinition*  cd );
82 HB_INTERNAL void  _HB_OPEN_Free_Device( HB_Device*  d );
83 
84 
85 
86 HB_INTERNAL HB_Error
87 _HB_OPEN_Coverage_Index( HB_Coverage* c,
88 			  HB_UShort      glyphID,
89 			  HB_UShort*     index );
90 HB_INTERNAL HB_Error
91 _HB_OPEN_Get_Class( HB_ClassDefinition* cd,
92 		     HB_UShort             glyphID,
93 		    HB_UShort*          klass,
94 		     HB_UShort*            index );
95 HB_INTERNAL HB_Error
96 _HB_OPEN_Get_Device( HB_Device* d,
97 		      HB_UShort    size,
98 		      HB_Short*    value );
99 
100 HB_END_HEADER
101 
102 #endif /* HARFBUZZ_OPEN_PRIVATE_H */
103