/* Portions Copyright (C) 2001 artofcode LLC.
   Portions Copyright (C) 1996, 2001 Artifex Software Inc.
   Portions Copyright (C) 1988, 2000 Aladdin Enterprises.
   This software is based in part on the work of the Independent JPEG Group.
   All Rights Reserved.

   This software is distributed under license and may not be copied, modified
   or distributed except as expressly authorized under the terms of that
   license.  Refer to licensing information at http://www.artifex.com/ or
   contact Artifex Software, Inc., 101 Lucas Valley Road #110,
   San Rafael, CA  94903, (415)492-9861, for further information. */
/*$Id$ */

/* plfont.c */
/* PCL font handling library -- operations on entire fonts */
#include "memory_.h"
#include "stdio_.h"
#include "gdebug.h"
#include "gserror.h"
#include "gserrors.h"
#include "gstypes.h"
#include "gsmemory.h"
#include "gsstruct.h"
#include "gsmatrix.h"
#include "gsstate.h"
#include "gschar.h"
#include "gsutil.h"
#include "gxfont.h"
#include "gxfont42.h"
#include "plfont.h"
#include "plvalue.h"

/* agfa stuff */
#undef true
#undef false
#undef frac_bits
#include "cgconfig.h"     /* this must be first  */
#include "ufstport.h"         /* this must be second */
#include "shareinc.h"
#include "strmio.h"

/* Structure descriptors */
private_st_pl_font();

/* Define accessors for unaligned, big-endian quantities. */
#define u16(bptr) pl_get_uint16(bptr)
#define s16(bptr) pl_get_int16(bptr)
/**** ASSUME uint >= 32 BITS ****/
#define u32(bptr) (uint)pl_get_uint32(bptr)

extern void pl_init_fc(
    const pl_font_t *   plfont,
    gs_state *          pgs,
    int                 need_outline,
    FONTCONTEXT *       pfc,
    bool                width_request);

/* ---------------- Library callbacks ---------------- */
	
/* Fill in AGFA MicroType font boilerplate. */
void
pl_fill_in_mt_font(gs_font_base *pfont, SW16 data, long unique_id)
{	gs_make_identity(&pfont->FontMatrix);
        pfont->FontType = ft_MicroType;
        pfont->BitmapWidths = true;
        pfont->ExactSize = fbit_use_outlines;
        pfont->InBetweenSize = fbit_use_outlines;
        pfont->TransformedChar = fbit_use_outlines;

        pfont->FontBBox.p.x = pfont->FontBBox.p.y =
          pfont->FontBBox.q.x = pfont->FontBBox.q.y = 0;
        uid_set_UniqueID(&pfont->UID, unique_id | (data << 16));
        pfont->encoding_index = 1;	/****** WRONG ******/
        pfont->nearest_encoding_index = 1;	/****** WRONG ******/
        pl_mt_init_procs(pfont);
}

/* Load a built-in AGFA MicroType font */
int
pl_load_mt_font(SW16 handle, gs_font_dir *pdir, gs_memory_t *mem,
       long unique_id, pl_font_t **pplfont)
{         
	  gs_font_base *pfont = gs_alloc_struct(mem, gs_font_base, 
	  	&st_gs_font_base, "pl_mt_load_font(gs_font_base)");
	  pl_font_t *plfont = pl_alloc_font(mem, "pl_mt_load_font(pl_font_t)");
          int code;

	  if ( pfont == 0 || plfont == 0 )
	    code = gs_note_error(gs_error_VMerror);
          else
          {   /* Initialize general font boilerplate. */
              code = pl_fill_in_font((gs_font *)pfont, plfont, pdir, mem, "illegal font");
              if ( code >= 0 )
              {   /* Initialize MicroType font boilerplate. */
                  plfont->header = 0;
                  plfont->header_size = 0;
                  plfont->scaling_technology = plfst_MicroType;
                  plfont->font_type = plft_Unicode;
                  plfont->large_sizes = true;
                  plfont->is_xl_format = false;
                  plfont->allow_vertical_substitutes = false;
                  pl_fill_in_mt_font(pfont, handle, unique_id);
                  code = gs_definefont(pdir, (gs_font *)pfont);
              }
          }
          if ( code < 0 )
          {   gs_free_object(mem, plfont, "pl_mt_load_font(pl_font_t)");
              gs_free_object(mem, pfont, "pl_mt_load_font(gs_font_base)");
              return code;
          }
          *pplfont = plfont;
          return 0;
}