예제 #1
0
파일: cidobjs.c 프로젝트: 0uyangsheng/xbmc
  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 */
    /* XXX: handle CID fonts with more than a single face */
    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;
  }
예제 #2
0
파일: cidobjs.c 프로젝트: keedon/harvey
  cid_face_init( FT_Stream      stream,
                 CID_Face       face,
                 FT_Int         face_index,
                 FT_Int         num_params,
                 FT_Parameter*  params )
  {
    FT_Error          error;
    PSNames_Service   psnames;
    PSAux_Service     psaux;
    PSHinter_Service  pshinter;

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


    face->root.num_faces = 1;

    psnames = (PSNames_Service)face->psnames;
    if ( !psnames )
    {
      psnames = (PSNames_Service)FT_Get_Module_Interface(
                  FT_FACE_LIBRARY( face ), "psnames" );

      face->psnames = psnames;
    }

    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 );
    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 */
    {
      /* Init the face object fields */
      /* Now set up root face fields */
      {
        FT_Face  root = (FT_Face)&face->root;


        root->num_glyphs   = face->cid.cid_count;
        root->num_charmaps = 0;

        root->face_index = face_index;
        root->face_flags = FT_FACE_FLAG_SCALABLE;

        root->face_flags |= FT_FACE_FLAG_HORIZONTAL;

        if ( face->cid.font_info.is_fixed_pitch )
          root->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!                   */
        root->family_name = face->cid.font_info.family_name;
        if ( root->family_name )
        {
          char*  full   = face->cid.font_info.full_name;
          char*  family = root->family_name;

          while ( *family && *full == *family )
          {
            family++;
            full++;
          }

          root->style_name = ( *full == ' ' ) ? full + 1
                                              : (char *)"Regular";
        }
        else
        {
          /* do we have a `/FontName'? */
          if ( face->cid.cid_font_name )
          {
            root->family_name = face->cid.cid_font_name;
            root->style_name  = (char *)"Regular";
          }
        }

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

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

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

        root->ascender  = (FT_Short)( root->bbox.yMax );
        root->descender = (FT_Short)( root->bbox.yMin );
        root->height    = (FT_Short)(
          ( ( root->ascender + root->descender ) * 12 ) / 10 );

        root->underline_position  = face->cid.font_info.underline_position;
        root->underline_thickness = face->cid.font_info.underline_thickness;

        root->internal->max_points   = 0;
        root->internal->max_contours = 0;
      }
    }

  Exit:
    return error;
  }