summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/freetype/include/freetype/internal/services/svmm.h
blob: 7e76ab8324e43b00ab9057b15b11d4173bacbab7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/****************************************************************************
 *
 * svmm.h
 *
 *   The FreeType Multiple Masters and GX var services (specification).
 *
 * Copyright (C) 2003-2023 by
 * David Turner, Robert Wilhelm, Werner Lemberg, and Dominik Röttsches.
 *
 * This file is part of the FreeType project, and may only be used,
 * modified, and distributed under the terms of the FreeType project
 * license, LICENSE.TXT.  By continuing to use, modify, or distribute
 * this file you indicate that you have read the license and
 * understand and accept it fully.
 *
 */


#ifndef SVMM_H_
#define SVMM_H_

#include <freetype/ftmm.h>
#include <freetype/internal/ftserv.h>
#include <freetype/internal/ftmmtypes.h>


FT_BEGIN_HEADER


  /*
   * A service used to manage multiple-masters data in a given face.
   *
   * See the related APIs in `ftmm.h' (FT_MULTIPLE_MASTERS_H).
   *
   */

#define FT_SERVICE_ID_MULTI_MASTERS  "multi-masters"


  typedef FT_Error
  (*FT_Get_MM_Func)( FT_Face           face,
                     FT_Multi_Master*  master );

  typedef FT_Error
  (*FT_Get_MM_Var_Func)( FT_Face      face,
                         FT_MM_Var*  *master );

  typedef FT_Error
  (*FT_Set_MM_Design_Func)( FT_Face   face,
                            FT_UInt   num_coords,
                            FT_Long*  coords );

  /* use return value -1 to indicate that the new coordinates  */
  /* are equal to the current ones; no changes are thus needed */
  typedef FT_Error
  (*FT_Set_Var_Design_Func)( FT_Face    face,
                             FT_UInt    num_coords,
                             FT_Fixed*  coords );

  /* use return value -1 to indicate that the new coordinates  */
  /* are equal to the current ones; no changes are thus needed */
  typedef FT_Error
  (*FT_Set_MM_Blend_Func)( FT_Face    face,
                           FT_UInt    num_coords,
                           FT_Fixed*  coords );

  typedef FT_Error
  (*FT_Get_Var_Design_Func)( FT_Face    face,
                             FT_UInt    num_coords,
                             FT_Fixed*  coords );

  typedef FT_Error
  (*FT_Set_Named_Instance_Func)( FT_Face  face,
                                 FT_UInt  instance_index );

  typedef FT_Error
  (*FT_Get_Default_Named_Instance_Func)( FT_Face   face,
                                         FT_UInt  *instance_index );

  typedef FT_Error
  (*FT_Get_MM_Blend_Func)( FT_Face    face,
                           FT_UInt    num_coords,
                           FT_Fixed*  coords );

  typedef FT_Error
  (*FT_Get_Var_Blend_Func)( FT_Face      face,
                            FT_UInt     *num_coords,
                            FT_Fixed*   *coords,
                            FT_Fixed*   *normalizedcoords,
                            FT_MM_Var*  *mm_var );

  typedef void
  (*FT_Done_Blend_Func)( FT_Face  face );

  typedef FT_Error
  (*FT_Set_MM_WeightVector_Func)( FT_Face    face,
                                  FT_UInt    len,
                                  FT_Fixed*  weight_vector );

  typedef FT_Error
  (*FT_Get_MM_WeightVector_Func)( FT_Face    face,
                                  FT_UInt*   len,
                                  FT_Fixed*  weight_vector );

  typedef void
  (*FT_Construct_PS_Name_Func)( FT_Face  face );

  typedef FT_Error
  (*FT_Var_Load_Delta_Set_Idx_Map_Func)( FT_Face            face,
                                         FT_ULong           offset,
                                         GX_DeltaSetIdxMap  map,
                                         GX_ItemVarStore    itemStore,
                                         FT_ULong           table_len );

  typedef FT_Error
  (*FT_Var_Load_Item_Var_Store_Func)( FT_Face          face,
                                      FT_ULong         offset,
                                      GX_ItemVarStore  itemStore );

  typedef FT_ItemVarDelta
  (*FT_Var_Get_Item_Delta_Func)( FT_Face          face,
                                 GX_ItemVarStore  itemStore,
                                 FT_UInt          outerIndex,
                                 FT_UInt          innerIndex );

  typedef void
  (*FT_Var_Done_Item_Var_Store_Func)( FT_Face          face,
                                      GX_ItemVarStore  itemStore );

  typedef void
  (*FT_Var_Done_Delta_Set_Idx_Map_Func)( FT_Face            face,
                                         GX_DeltaSetIdxMap  deltaSetIdxMap );


  FT_DEFINE_SERVICE( MultiMasters )
  {
    FT_Get_MM_Func                        get_mm;
    FT_Set_MM_Design_Func                 set_mm_design;
    FT_Set_MM_Blend_Func                  set_mm_blend;
    FT_Get_MM_Blend_Func                  get_mm_blend;
    FT_Get_MM_Var_Func                    get_mm_var;
    FT_Set_Var_Design_Func                set_var_design;
    FT_Get_Var_Design_Func                get_var_design;
    FT_Set_Named_Instance_Func            set_named_instance;
    FT_Get_Default_Named_Instance_Func    get_default_named_instance;
    FT_Set_MM_WeightVector_Func           set_mm_weightvector;
    FT_Get_MM_WeightVector_Func           get_mm_weightvector;

    /* for internal use; only needed for code sharing between modules */
    FT_Construct_PS_Name_Func             construct_ps_name;
    FT_Var_Load_Delta_Set_Idx_Map_Func    load_delta_set_idx_map;
    FT_Var_Load_Item_Var_Store_Func       load_item_var_store;
    FT_Var_Get_Item_Delta_Func            get_item_delta;
    FT_Var_Done_Item_Var_Store_Func       done_item_var_store;
    FT_Var_Done_Delta_Set_Idx_Map_Func    done_delta_set_idx_map;
    FT_Get_Var_Blend_Func                 get_var_blend;
    FT_Done_Blend_Func                    done_blend;
  };


#define FT_DEFINE_SERVICE_MULTIMASTERSREC( class_,                      \
                                           get_mm_,                     \
                                           set_mm_design_,              \
                                           set_mm_blend_,               \
                                           get_mm_blend_,               \
                                           get_mm_var_,                 \
                                           set_var_design_,             \
                                           get_var_design_,             \
                                           set_named_instance_,         \
                                           get_default_named_instance_, \
                                           set_mm_weightvector_,        \
                                           get_mm_weightvector_,        \
                                                                        \
                                           construct_ps_name_,          \
                                           load_delta_set_idx_map_,     \
                                           load_item_var_store_,        \
                                           get_item_delta_,             \
                                           done_item_var_store_,        \
                                           done_delta_set_idx_map_,     \
                                           get_var_blend_,              \
                                           done_blend_ )                \
  static const FT_Service_MultiMastersRec  class_ =                     \
  {                                                                     \
    get_mm_,                                                            \
    set_mm_design_,                                                     \
    set_mm_blend_,                                                      \
    get_mm_blend_,                                                      \
    get_mm_var_,                                                        \
    set_var_design_,                                                    \
    get_var_design_,                                                    \
    set_named_instance_,                                                \
    get_default_named_instance_,                                        \
    set_mm_weightvector_,                                               \
    get_mm_weightvector_,                                               \
                                                                        \
    construct_ps_name_,                                                 \
    load_delta_set_idx_map_,                                            \
    load_item_var_store_,                                               \
    get_item_delta_,                                                    \
    done_item_var_store_,                                               \
    done_delta_set_idx_map_,                                            \
    get_var_blend_,                                                     \
    done_blend_                                                         \
  };

  /* */


FT_END_HEADER

#endif /* SVMM_H_ */


/* END */