code.delx.au - gnu-emacs/blob - src/w32bdf.h

   1 /* Definitions and header for handling BDF fonts on the Microsoft W32 API.
   2    Copyright (C) 1999 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /* Based heavily on code by H. Miyashita for Meadow (a descendant of
  22    MULE for W32). */
  23
  24 #ifndef __W32BDF_H__
  25 #define __W32BDF_H__
  26
  27 #define BDF_FIRST_OFFSET_TABLE 0x200
  28 #define BDF_SECOND_OFFSET_TABLE 0x80
  29 #define BDF_SECOND_OFFSET(x) ((x) & 0x7f)
  30 #define BDF_FIRST_OFFSET(x) (((x) >> 8) | (((x) & 0x80) << 1))
  31
  32 /* Structure of glyph information of one character.  */
  33 typedef struct
  34 {
  35   int dwidth;                   /* width in pixels */
  36   int bbw, bbh, bbox, bboy;     /* bounding box in pixels */
  37   int bitmap_size;              /* byte lengh of the following slots */
  38   unsigned char *bitmap;        /*  */
  39 } glyph_struct;
  40
  41 typedef struct
  42 {
  43   char *filename;
  44   HANDLE hfile;
  45   HANDLE hfilemap;
  46   unsigned char *font;
  47   unsigned char *seeked;
  48   DWORD size;
  49   unsigned char **offset[BDF_FIRST_OFFSET_TABLE];
  50   int llx, lly, urx, ury;       /* Font bounding box */
  51
  52   int yoffset;
  53   int relative_compose;
  54   int default_ascent;
  55   int width;
  56   int height;
  57   int pixsz;
  58 } bdffont;
  59
  60
  61 #define BDF_FILE_SIZE_MAX 256*1024*1024 /* 256Mb */
  62 #define BDF_FONT_FILE(font) (((bdffont*)(font))->filename)
  63 #define MAKELENDSHORT(c1, c2) (unsigned short)((c1) | ((c2) << 8))
  64
  65 bdffont *w32_init_bdf_font (char *filename);
  66 void w32_free_bdf_font (bdffont *fontp);
  67 int w32_get_bdf_glyph (bdffont *fontp, int index, int size,
  68                        glyph_struct *glyph);
  69 int w32_BDF_TextOut (bdffont *fontp, HDC hdc, int left,
  70                      int top, unsigned char *text, int dim,
  71                      int bytelen, int fixed_pitch_size);
  72 int w32_BDF_to_x_font (char *file, char* xstr, int len);
  73
  74 #endif  /* __W32BDF_H__ */