apdf/freetype2/base/ftmm.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ftmm.c                                                                 */
   4 /*                                                                         */
   5 /*    Multiple Master font support (body).                                 */
   6 /*                                                                         */
   7 /*  Copyright 1996-2001 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 #include <ft2build.h>
  20 #include FT_MULTIPLE_MASTERS_H
  21 #include FT_INTERNAL_OBJECTS_H
  22
  23
  24   /*************************************************************************/
  25   /*                                                                       */
  26   /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
  27   /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
  28   /* messages during execution.                                            */
  29   /*                                                                       */
  30 #undef  FT_COMPONENT
  31 #define FT_COMPONENT  trace_mm
  32
  33
  34   /* documentation is in ftmm.h */
  35
  36   FT_EXPORT_DEF( FT_Error )
  37   FT_Get_Multi_Master( FT_Face           face,
  38                        FT_Multi_Master  *amaster )
  39   {
  40     FT_Error  error;
  41
  42
  43     if ( !face )
  44       return FT_Err_Invalid_Face_Handle;
  45
  46     error = FT_Err_Invalid_Argument;
  47
  48     if ( FT_HAS_MULTIPLE_MASTERS( face ) )
  49     {
  50       FT_Driver       driver = face->driver;
  51       FT_Get_MM_Func  func;
  52
  53
  54       func = (FT_Get_MM_Func)driver->root.clazz->get_interface(
  55                                FT_MODULE( driver ), "get_mm" );
  56       if ( func )
  57         error = func( face, amaster );
  58     }
  59
  60     return error;
  61   }
  62
  63
  64   /* documentation is in ftmm.h */
  65
  66   FT_EXPORT_DEF( FT_Error )
  67   FT_Set_MM_Design_Coordinates( FT_Face   face,
  68                                 FT_UInt   num_coords,
  69                                 FT_Long*  coords )
  70   {
  71     FT_Error  error;
  72
  73
  74     if ( !face )
  75       return FT_Err_Invalid_Face_Handle;
  76
  77     error = FT_Err_Invalid_Argument;
  78
  79     if ( FT_HAS_MULTIPLE_MASTERS( face ) )
  80     {
  81       FT_Driver              driver = face->driver;
  82       FT_Set_MM_Design_Func  func;
  83
  84
  85       func = (FT_Set_MM_Design_Func)driver->root.clazz->get_interface(
  86                                       FT_MODULE( driver ), "set_mm_design" );
  87       if ( func )
  88         error = func( face, num_coords, coords );
  89     }
  90
  91     return error;
  92   }
  93
  94
  95   /* documentation is in ftmm.h */
  96
  97   FT_EXPORT_DEF( FT_Error )
  98   FT_Set_MM_Blend_Coordinates( FT_Face    face,
  99                                FT_UInt    num_coords,
 100                                FT_Fixed*  coords )
 101   {
 102     FT_Error  error;
 103
 104
 105     if ( !face )
 106       return FT_Err_Invalid_Face_Handle;
 107
 108     error = FT_Err_Invalid_Argument;
 109
 110     if ( FT_HAS_MULTIPLE_MASTERS( face ) )
 111     {
 112       FT_Driver             driver = face->driver;
 113       FT_Set_MM_Blend_Func  func;
 114
 115
 116       func = (FT_Set_MM_Blend_Func)driver->root.clazz->get_interface(
 117                                      FT_MODULE( driver ), "set_mm_blend" );
 118       if ( func )
 119         error = func( face, num_coords, coords );
 120     }
 121
 122     return error;
 123   }
 124
 125
 126 /* END */