/***************************************************************************//*                                                                         *//*  ftmm.c                                                                 *//*                                                                         *//*    Multiple Master font support (body).                                 *//*                                                                         *//*  Copyright 1996-2001 by                                                 *//*  David Turner, Robert Wilhelm, and Werner Lemberg.                      *//*                                                                         *//*  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.                                        *//*                                                                         *//***************************************************************************/  #include <ft2build.h>#include FT_MULTIPLE_MASTERS_H#include FT_INTERNAL_OBJECTS_H    /*************************************************************************/  /*                                                                       */  /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */  /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */  /* messages during execution.                                            */  /*                                                                       */#undef  FT_COMPONENT#define FT_COMPONENT  trace_mm    /* documentation is in ftmm.h */   FT_EXPORT_DEF( FT_Error )  FT_Get_Multi_Master( FT_Face           face,                       FT_Multi_Master  *amaster )  {    FT_Error  error;      if ( !face )      return FT_Err_Invalid_Face_Handle;     error = FT_Err_Invalid_Argument;     if ( FT_HAS_MULTIPLE_MASTERS( face ) )    {      FT_Driver       driver = face->driver;      FT_Get_MM_Func  func;        func = (FT_Get_MM_Func)driver->root.clazz->get_interface(                               FT_MODULE( driver ), "get_mm" );      if ( func )        error = func( face, amaster );    }     return error;  }    /* documentation is in ftmm.h */   FT_EXPORT_DEF( FT_Error )  FT_Set_MM_Design_Coordinates( FT_Face   face,                                FT_UInt   num_coords,                                FT_Long*  coords )  {    FT_Error  error;      if ( !face )      return FT_Err_Invalid_Face_Handle;     error = FT_Err_Invalid_Argument;     if ( FT_HAS_MULTIPLE_MASTERS( face ) )    {      FT_Driver              driver = face->driver;      FT_Set_MM_Design_Func  func;        func = (FT_Set_MM_Design_Func)driver->root.clazz->get_interface(                                      FT_MODULE( driver ), "set_mm_design" );      if ( func )        error = func( face, num_coords, coords );    }     return error;  }    /* documentation is in ftmm.h */   FT_EXPORT_DEF( FT_Error )  FT_Set_MM_Blend_Coordinates( FT_Face    face,                               FT_UInt    num_coords,                               FT_Fixed*  coords )  {    FT_Error  error;      if ( !face )      return FT_Err_Invalid_Face_Handle;     error = FT_Err_Invalid_Argument;     if ( FT_HAS_MULTIPLE_MASTERS( face ) )    {      FT_Driver             driver = face->driver;      FT_Set_MM_Blend_Func  func;        func = (FT_Set_MM_Blend_Func)driver->root.clazz->get_interface(                                     FT_MODULE( driver ), "set_mm_blend" );      if ( func )        error = func( face, num_coords, coords );    }     return error;  }  /* END */