/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights
   reserved.  Unauthorized use, copying, and/or distribution
   prohibited.  */

/* pgfdata.h */
/* Interface to HP-GL/2 stick and arc font data */

/* We use 'stick' instead of 'stick_or_arc' below just because it's shorter. */

/* The arc font is just a condensed version of the stick font, */
/* with minimal inter-character spacing. */
#define hpgl_arc_font_condensation 0.70

/* Define the procedures for processing segments. */
typedef int (*hpgl_stick_move_proc_t)(P3(void *data, int dx, int dy));
typedef int (*hpgl_stick_line_proc_t)(P3(void *data, int dx, int dy));
typedef int (*hpgl_stick_arc_proc_t)(P6(void *data, int cx, int cy,
  const gs_int_point *start, int sweep_angle, floatp chord_angle));
typedef struct hpgl_stick_segment_procs_s {
  hpgl_stick_move_proc_t move;
  hpgl_stick_line_proc_t line;
  hpgl_stick_arc_proc_t arc;
} hpgl_stick_segment_procs_t;

/* Enumerate the segments of a stick/arc character. */
/* We break this out so that we can use it for calculating escapements. */
int hpgl_stick_arc_segments(P4(const hpgl_stick_segment_procs_t *procs,
			       void *data, uint char_index,
			       floatp chord_angle));

/* Get the unscaled width of a stick/arc character. */
int hpgl_stick_arc_width(P1(uint char_index));

/*
 * Map a Unicode character number to a stick/arc symbol index.
 * Return 0 if not mappable.  (The first real symbol index is 32.)
 */
uint hpgl_unicode_stick_index(P1(gs_glyph char_code));