svmm.h revision 295ffce55e0198e7a9f7d46b33f5c2b4147bf821 
1/***************************************************************************/
2/*                                                                         */
3/*  svmm.h                                                                 */
4/*                                                                         */
5/*    The FreeType Multiple Masters and GX var services (specification).   */
6/*                                                                         */
7/*  Copyright 2003, 2004 by                                                */
8/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
9/*                                                                         */
10/*  This file is part of the FreeType project, and may only be used,       */
11/*  modified, and distributed under the terms of the FreeType project      */
12/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
13/*  this file you indicate that you have read the license and              */
14/*  understand and accept it fully.                                        */
15/*                                                                         */
16/***************************************************************************/
17
18
19#ifndef __SVMM_H__
20#define __SVMM_H__
21
22#include FT_INTERNAL_SERVICE_H
23
24
25FT_BEGIN_HEADER
26
27
28  /*
29   *  A service used to manage multiple-masters data in a given face.
30   *
31   *  See the related APIs in `ftmm.h' (FT_MULTIPLE_MASTERS_H).
32   *
33   */
34
35#define FT_SERVICE_ID_MULTI_MASTERS  "multi-masters"
36
37
38  typedef FT_Error
39  (*FT_Get_MM_Func)( FT_Face           face,
40                     FT_Multi_Master*  master );
41
42  typedef FT_Error
43  (*FT_Get_MM_Var_Func)( FT_Face      face,
44                         FT_MM_Var*  *master );
45
46  typedef FT_Error
47  (*FT_Set_MM_Design_Func)( FT_Face   face,
48                            FT_UInt   num_coords,
49                            FT_Long*  coords );
50
51  typedef FT_Error
52  (*FT_Set_Var_Design_Func)( FT_Face    face,
53                             FT_UInt    num_coords,
54                             FT_Fixed*  coords );
55
56  typedef FT_Error
57  (*FT_Set_MM_Blend_Func)( FT_Face   face,
58                           FT_UInt   num_coords,
59                           FT_Long*  coords );
60
61
62  FT_DEFINE_SERVICE( MultiMasters )
63  {
64    FT_Get_MM_Func          get_mm;
65    FT_Set_MM_Design_Func   set_mm_design;
66    FT_Set_MM_Blend_Func    set_mm_blend;
67    FT_Get_MM_Var_Func      get_mm_var;
68    FT_Set_Var_Design_Func  set_var_design;
69  };
70
71#ifndef FT_CONFIG_OPTION_PIC
72
73#define FT_DEFINE_SERVICE_MULTIMASTERSREC(class_, get_mm_, set_mm_design_,   \
74        set_mm_blend_, get_mm_var_, set_var_design_)                         \
75  static const FT_Service_MultiMastersRec class_ =                           \
76  {                                                                          \
77    get_mm_, set_mm_design_, set_mm_blend_, get_mm_var_, set_var_design_     \
78  };
79
80#else /* FT_CONFIG_OPTION_PIC */
81
82#define FT_DEFINE_SERVICE_MULTIMASTERSREC(class_, get_mm_, set_mm_design_,   \
83        set_mm_blend_, get_mm_var_, set_var_design_)                         \
84  void                                                                       \
85  FT_Init_Class_##class_( FT_Service_MultiMastersRec*  clazz )               \
86  {                                                                          \
87    clazz->get_mm = get_mm_;                                                 \
88    clazz->set_mm_design = set_mm_design_;                                   \
89    clazz->set_mm_blend = set_mm_blend_;                                     \
90    clazz->get_mm_var = get_mm_var_;                                         \
91    clazz->set_var_design = set_var_design_;                                 \
92  }
93
94#endif /* FT_CONFIG_OPTION_PIC */
95
96  /* */
97
98
99FT_END_HEADER
100
101#endif /* __SVMM_H__ */
102
103
104/* END */
105