include/freetype/internal/services/svcfftl.h

   1 /****************************************************************************
   2  *
   3  * svcfftl.h
   4  *
   5  *   The FreeType CFF tables loader service (specification).
   6  *
   7  * Copyright (C) 2017-2023 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 SVCFFTL_H_
  20 #define SVCFFTL_H_
  21
  22 #include <freetype/internal/ftserv.h>
  23 #include <freetype/internal/cfftypes.h>
  24
  25
  26 FT_BEGIN_HEADER
  27
  28
  29 #define FT_SERVICE_ID_CFF_LOAD  "cff-load"
  30
  31
  32   typedef FT_UShort
  33   (*FT_Get_Standard_Encoding_Func)( FT_UInt  charcode );
  34
  35   typedef FT_Error
  36   (*FT_Load_Private_Dict_Func)( CFF_Font     font,
  37                                 CFF_SubFont  subfont,
  38                                 FT_UInt      lenNDV,
  39                                 FT_Fixed*    NDV );
  40
  41   typedef FT_Byte
  42   (*FT_FD_Select_Get_Func)( CFF_FDSelect  fdselect,
  43                             FT_UInt       glyph_index );
  44
  45   typedef FT_Bool
  46   (*FT_Blend_Check_Vector_Func)( CFF_Blend  blend,
  47                                  FT_UInt    vsindex,
  48                                  FT_UInt    lenNDV,
  49                                  FT_Fixed*  NDV );
  50
  51   typedef FT_Error
  52   (*FT_Blend_Build_Vector_Func)( CFF_Blend  blend,
  53                                  FT_UInt    vsindex,
  54                                  FT_UInt    lenNDV,
  55                                  FT_Fixed*  NDV );
  56
  57
  58   FT_DEFINE_SERVICE( CFFLoad )
  59   {
  60     FT_Get_Standard_Encoding_Func  get_standard_encoding;
  61     FT_Load_Private_Dict_Func      load_private_dict;
  62     FT_FD_Select_Get_Func          fd_select_get;
  63     FT_Blend_Check_Vector_Func     blend_check_vector;
  64     FT_Blend_Build_Vector_Func     blend_build_vector;
  65   };
  66
  67
  68 #define FT_DEFINE_SERVICE_CFFLOADREC( class_,                  \
  69                                       get_standard_encoding_,  \
  70                                       load_private_dict_,      \
  71                                       fd_select_get_,          \
  72                                       blend_check_vector_,     \
  73                                       blend_build_vector_ )    \
  74   static const FT_Service_CFFLoadRec  class_ =                 \
  75   {                                                            \
  76     get_standard_encoding_,                                    \
  77     load_private_dict_,                                        \
  78     fd_select_get_,                                            \
  79     blend_check_vector_,                                       \
  80     blend_build_vector_                                        \
  81   };
  82
  83
  84 FT_END_HEADER
  85
  86
  87 #endif
  88
  89
  90 /* END */