FUNCTIONS

   1 /*
   2  * hbf.c - a header file for hbf.c 
   3  * by Hirotsugu Kakugawa
   4  *
   5  */
   6 /*
   7  * Copyright (C) 1996-1998  Hirotsugu Kakugawa. 
   8  * All rights reserved.
   9  *
  10  * This file is part of the VFlib Library.  This library is free
  11  * software; you can redistribute it and/or modify it under the terms of
  12  * the GNU Library General Public License as published by the Free
  13  * Software Foundation; either version 2 of the License, or (at your
  14  * option) any later version.  This library is distributed in the hope
  15  * that it will be useful, but WITHOUT ANY WARRANTY; without even the
  16  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  17  * PURPOSE.  See the GNU Library General Public License for more details.
  18  * You should have received a copy of the GNU Library General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21  */
  22 
  23 #define FONTCLASS_NAME        "hbf"
  24 
  25 #ifndef  HBF_DEFAULT_EXTENSIONS
  26 #  define   HBF_DEFAULT_EXTENSIONS  ".hbf"
  27 #endif
  28 
  29 #define HBF_ENV_FONT_DIR          "VFLIB_HBF_FONTS"
  30 
  31 struct s_hbf_char {
  32   int           bbx_width, bbx_height;
  33   int           off_x, off_y;
  34   int           mv_x, mv_y;
  35   unsigned char *bitmap;
  36   int           raster;
  37 };
  38 typedef struct s_hbf_char  *HBF_CHAR; 
  39 
  40 struct s_hbf {
  41   int     charset;
  42   char    *path_name;
  43   char    *uncompress;
  44   int     nchars;
  45   int     byte2_ranges;
  46   int     *byte2_range_start;
  47   int     *byte2_range_end;
  48   int     n_byte2;
  49   int     byte2_index[256];
  50   int     code_ranges;
  51   long    *code_range_start;
  52   long    *code_range_end;
  53   char    **code_range_bitmap_file_paths;
  54   char    **code_range_bitmap_uncompresser;
  55   unsigned char ***code_range_bitmaps;
  56   long    *code_range_offset;
  57   double  point_size;
  58   int     pixel_size;
  59   int     size;
  60   double  dpi_x, dpi_y;
  61   double  slant;
  62   int     ascent, descent;
  63   int     font_bbx_width, font_bbx_height;
  64   int     font_bbx_xoff, font_bbx_yoff;
  65   SEXP_ALIST  props;
  66 };
  67 typedef struct s_hbf  *HBF;
  68 
  69 Private int       HBF_Init(void);
  70 Private int       HBF_Open(char*,SEXP);
  71 Private void      HBF_Close(int);
  72 Private HBF_CHAR  HBF_GetBitmap(int,long);
  73 Private HBF_CHAR  HBF_GetHBFChar(HBF,long);
  74 Private char     *HBF_GetProp(HBF,char*);
  75 
  76 /*EOF*/