cidobjs.c

奇趣公司比较新的qt/emd版本

      FT_FREE( cid->registry );
      FT_FREE( cid->ordering );

      cidface->family_name = 0;
      cidface->style_name  = 0;

      FT_FREE( face->binary_data );
      FT_FREE( face->cid_stream );
    }
  }


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    cid_face_init                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Initializes a given CID face object.                               */
  /*                                                                       */
  /* <Input>                                                               */
  /*    stream     :: The source font stream.                              */
  /*                                                                       */
  /*    face_index :: The index of the font face in the resource.          */
  /*                                                                       */
  /*    num_params :: Number of additional generic parameters.  Ignored.   */
  /*                                                                       */
  /*    params     :: Additional generic parameters.  Ignored.             */
  /*                                                                       */
  /* <InOut>                                                               */
  /*    face       :: The newly built face object.                         */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  FT_LOCAL_DEF( FT_Error )
  cid_face_init( FT_Stream      stream,
                 FT_Face        cidface,        /* CID_Face */
                 FT_Int         face_index,
                 FT_Int         num_params,
                 FT_Parameter*  params )
  {
    CID_Face          face = (CID_Face)cidface;
    FT_Error          error;
    PSAux_Service     psaux;
    PSHinter_Service  pshinter;

    FT_UNUSED( num_params );
    FT_UNUSED( params );
    FT_UNUSED( stream );


    cidface->num_faces = 1;

    psaux = (PSAux_Service)face->psaux;
    if ( !psaux )
    {
      psaux = (PSAux_Service)FT_Get_Module_Interface(
                FT_FACE_LIBRARY( face ), "psaux" );

      face->psaux = psaux;
    }

    pshinter = (PSHinter_Service)face->pshinter;
    if ( !pshinter )
    {
      pshinter = (PSHinter_Service)FT_Get_Module_Interface(
                   FT_FACE_LIBRARY( face ), "pshinter" );

      face->pshinter = pshinter;
    }

    /* open the tokenizer; this will also check the font format */
    if ( FT_STREAM_SEEK( 0 ) )
      goto Exit;

    error = cid_face_open( face, face_index );
    if ( error )
      goto Exit;

    /* if we just wanted to check the format, leave successfully now */
    if ( face_index < 0 )
      goto Exit;

    /* check the face index */
    if ( face_index != 0 )
    {
      FT_ERROR(( "cid_face_init: invalid face index\n" ));
      error = CID_Err_Invalid_Argument;
      goto Exit;
    }

    /* now load the font program into the face object */

    /* initialize the face object fields */

    /* set up root face fields */
    {
      CID_FaceInfo  cid  = &face->cid;
      PS_FontInfo   info = &cid->font_info;


      cidface->num_glyphs   = cid->cid_count;
      cidface->num_charmaps = 0;

      cidface->face_index = face_index;
      cidface->face_flags = FT_FACE_FLAG_SCALABLE   | /* scalable outlines */
                            FT_FACE_FLAG_HORIZONTAL | /* horizontal data   */
                            FT_FACE_FLAG_HINTER;      /* has native hinter */

      if ( info->is_fixed_pitch )
        cidface->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;

      /* XXX: TODO: add kerning with .afm support */

      /* get style name -- be careful, some broken fonts only */
      /* have a /FontName dictionary entry!                   */
      cidface->family_name = info->family_name;
      /* assume "Regular" style if we don't know better */
      cidface->style_name = (char *)"Regular";
      if ( cidface->family_name )
      {
        char*  full   = info->full_name;
        char*  family = cidface->family_name;


        if ( full )
        {
          while ( *full )
          {
            if ( *full == *family )
            {
              family++;
              full++;
            }
            else
            {
              if ( *full == ' ' || *full == '-' )
                full++;
              else if ( *family == ' ' || *family == '-' )
                family++;
              else
              {
                if ( !*family )
                  cidface->style_name = full;
                break;
              }
            }
          }
        }
      }
      else
      {
        /* do we have a `/FontName'? */
        if ( cid->cid_font_name )
          cidface->family_name = cid->cid_font_name;
      }

      /* compute style flags */
      cidface->style_flags = 0;
      if ( info->italic_angle )
        cidface->style_flags |= FT_STYLE_FLAG_ITALIC;
      if ( info->weight )
      {
        if ( !ft_strcmp( info->weight, "Bold"  ) ||
             !ft_strcmp( info->weight, "Black" ) )
          cidface->style_flags |= FT_STYLE_FLAG_BOLD;
      }

      /* no embedded bitmap support */
      cidface->num_fixed_sizes = 0;
      cidface->available_sizes = 0;

      cidface->bbox.xMin =   cid->font_bbox.xMin             >> 16;
      cidface->bbox.yMin =   cid->font_bbox.yMin             >> 16;
      cidface->bbox.xMax = ( cid->font_bbox.xMax + 0xFFFFU ) >> 16;
      cidface->bbox.yMax = ( cid->font_bbox.yMax + 0xFFFFU ) >> 16;

      if ( !cidface->units_per_EM )
        cidface->units_per_EM = 1000;

      cidface->ascender  = (FT_Short)( cidface->bbox.yMax );
      cidface->descender = (FT_Short)( cidface->bbox.yMin );

      cidface->height = (FT_Short)( ( cidface->units_per_EM * 12 ) / 10 );
      if ( cidface->height < cidface->ascender - cidface->descender )
        cidface->height = (FT_Short)( cidface->ascender - cidface->descender );

      cidface->underline_position  = (FT_Short)info->underline_position;
      cidface->underline_thickness = (FT_Short)info->underline_thickness;
    }

  Exit:
    return error;
  }


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    cid_driver_init                                                    */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Initializes a given CID driver object.                             */
  /*                                                                       */
  /* <Input>                                                               */
  /*    driver :: A handle to the target driver object.                    */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  FT_LOCAL_DEF( FT_Error )
  cid_driver_init( FT_Module  driver )
  {
    FT_UNUSED( driver );

    return CID_Err_Ok;
  }


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    cid_driver_done                                                    */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Finalizes a given CID driver.                                      */
  /*                                                                       */
  /* <Input>                                                               */
  /*    driver :: A handle to the target CID driver.                       */
  /*                                                                       */
  FT_LOCAL_DEF( void )
  cid_driver_done( FT_Module  driver )
  {
    FT_UNUSED( driver );
  }


/* END */