path: root/lib/libpbmfont.c

/* libpbm5.c - pbm utility library part 5
**
** Font routines.
**
** BDF font code Copyright 1993 by George Phillips.
**
** Copyright (C) 1991 by Jef Poskanzer.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation.  This software is provided "as is" without express or
** implied warranty.
*/

#include <string.h>

#include "pm_c_util.h"
#include "nstring.h"
#include "pbm.h"
#include "pbmfont.h"
#include "mallocvar.h"

static unsigned int const firstCodePoint = 32;
    /* This is the code point of the first character in a pbmfont font.
       In ASCII, it is a space.
    */

static unsigned int const nCharsInFont = 96;
    /* The number of characters in a pbmfont font.  A pbmfont font defines
       characters at position 32 (ASCII space) through 127, so that's 96.
    */

/* The default font, packed in hex so this source file doesn't get huge.
** You can replace this with your own font using pbm_dumpfont().
*/
#define DEFAULTFONT_ROWS 155
#define DEFAULTFONT_COLS 112
static unsigned long defaultfont_bits[DEFAULTFONT_ROWS][(DEFAULTFONT_COLS+31)/32] = {
    {0x00000000L,0x20000c00L,0x10000000L,0x00000000L},
    {0xc600a000L,0x42000810L,0x00000002L,0x00000063L},
    {0x6c00a000L,0x45000810L,0x00000002L,0x00000036L},
    {0x6c00a000L,0x88800808L,0xf2e1dee2L,0x00000036L},
    {0x54000000L,0x80000800L,0x11122442L,0x0000002aL},
    {0x54000001L,0x00000800L,0x11122442L,0x0000002aL},
    {0x54000001L,0x00000800L,0x11122282L,0x0000002aL},
    {0x44000102L,0x00000800L,0x11122382L,0x00000022L},
    {0xee000102L,0x00000800L,0x11e1e102L,0x00000077L},
    {0x00000204L,0x00000800L,0x11002102L,0x00000000L},
    {0x00000000L,0x00000c00L,0x11002102L,0x00000000L},
    {0x00000000L,0x003f8000L,0xe3807600L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x02000080L,0x00040000L,0x00120000L,0x00000001L},
    {0x04000082L,0x828e1838L,0x20210100L,0x00000002L},
    {0x04000082L,0x82912448L,0x20210100L,0x00000002L},
    {0x08000082L,0x8fd01940L,0x404087c2L,0x00000004L},
    {0x08000080L,0x050c0622L,0x00408102L,0x00000004L},
    {0x10000080L,0x05061874L,0x0040828fL,0x00008008L},
    {0x10000080L,0x1f912688L,0x00408002L,0x00000008L},
    {0x20000000L,0x0a11098cL,0x00408002L,0x00000010L},
    {0x20000080L,0x0a0e0672L,0x00210000L,0x00000010L},
    {0x40000000L,0x00040000L,0x00210000L,0x00000020L},
    {0x00000000L,0x00000000L,0x00120000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x004e0838L,0x7023e1cfL,0x00008000L},
    {0x00000000L,0x00913844L,0x88620208L,0x00008000L},
    {0x08000000L,0x00910844L,0x08a20401L,0x00000004L},
    {0x10000000L,0x01110844L,0x08a20401L,0x00000008L},
    {0x20000000L,0x01110808L,0x3123c781L,0x00000010L},
    {0x400003e0L,0x02110810L,0x0a202441L,0x00000020L},
    {0x20000000L,0x02110820L,0x0bf02442L,0x00000010L},
    {0x10008000L,0x04110844L,0x88242442L,0x00000008L},
    {0x08008002L,0x040e3e7cL,0x7073c382L,0x00000004L},
    {0x00010000L,0x08000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x0000e1c0L,0x00000000L,0x00000000L,0x00000000L},
    {0x00011220L,0x00000000L,0x70e38f87L,0x00000000L},
    {0x20011220L,0x00020020L,0x89108448L,0x00008010L},
    {0x10011220L,0x00040010L,0x09314448L,0x00008008L},
    {0x0800e221L,0x02083e08L,0x11514788L,0x00000004L},
    {0x040111e0L,0x00100004L,0x2153e448L,0x00000002L},
    {0x08011020L,0x00083e08L,0x213a2448L,0x00008004L},
    {0x10011040L,0x02040010L,0x01022448L,0x00008008L},
    {0x2000e381L,0x02020020L,0x20e77f87L,0x00000010L},
    {0x00000000L,0x04000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x3803e7efL,0xc73bbe3dL,0xdb863ce7L,0x0000001cL},
    {0x44011224L,0x48910808L,0x91036648L,0x00008022L},
    {0x4c011285L,0x48910808L,0xa1036648L,0x00008026L},
    {0x54011387L,0x081f0808L,0xc102a548L,0x0000802aL},
    {0x54011285L,0x09910808L,0xe102a548L,0x0000802aL},
    {0x4e011204L,0x08910848L,0x9112a4c8L,0x00008027L},
    {0x40011224L,0x08910848L,0x891224c8L,0x00008020L},
    {0x3803e7efL,0x073bbe31L,0xcff77e47L,0x0000001cL},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000003L,0x00000000L},
    {0x0003e1cfL,0x87bff7efL,0xdfbf77c2L,0x00000000L},
    {0x00013224L,0x48a4a244L,0x89122442L,0x00000000L},
    {0x00011224L,0x4824a244L,0xa8a14482L,0x00000000L},
    {0x00013227L,0x8e04226cL,0xa8414102L,0x00000000L},
    {0x0001e224L,0x83842228L,0xa8a08102L,0x00000000L},
    {0x00010224L,0x40842228L,0xd8a08242L,0x00000000L},
    {0x00010224L,0x48843638L,0x51108442L,0x00000000L},
    {0x0003c1ceL,0x6f1f1c10L,0x53b9c7c2L,0x00000000L},
    {0x00000060L,0x00000000L,0x00000002L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000003L,0x00000000L},
    {0xfe000000L,0x00000000L,0x00000000L,0x0000007fL},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00010180L,0x000000c0L,0x003001c0L,0x00000000L},
    {0x08008081L,0x00040040L,0x00100200L,0x00000004L},
    {0x10008082L,0x80040040L,0x00100200L,0x00000008L},
    {0x10004084L,0x40023c78L,0x70f1c7c7L,0x00004008L},
    {0x10004080L,0x00000244L,0x89122208L,0x00008008L},
    {0x20002080L,0x00001e44L,0x8113e208L,0x00008010L},
    {0x10002080L,0x00002244L,0x81120208L,0x00008008L},
    {0x10001080L,0x00002244L,0x89122208L,0x00008008L},
    {0x10001080L,0x00001db8L,0x70e9c787L,0x00008008L},
    {0x10000880L,0x00000000L,0x00000000L,0x00008008L},
    {0x08000180L,0x00000000L,0x00000000L,0x00008004L},
    {0x00000000L,0x1fc00000L,0x00000007L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00030080L,0x981c0000L,0x00000000L,0x00000000L},
    {0x20010000L,0x08040000L,0x00000000L,0x00000010L},
    {0x10010000L,0x08040000L,0x00000000L,0x00000008L},
    {0x10016387L,0x898474b8L,0x72e1d5c7L,0x00000008L},
    {0x10019080L,0x8a042a64L,0x89122208L,0x00008008L},
    {0x08011080L,0x8c042a44L,0x89122207L,0x00000004L},
    {0x10011080L,0x8a042a44L,0x89122200L,0x00008008L},
    {0x10011080L,0x89042a44L,0x89122208L,0x00008008L},
    {0x1003bbe0L,0x98dfebe6L,0x71e1e787L,0x00000008L},
    {0x10000000L,0x80000000L,0x01002000L,0x00000008L},
    {0x20000000L,0x80000000L,0x01002000L,0x00000010L},
    {0x00000007L,0x00000000L,0x03807000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00008000L,0x00000000L,0x10410000L,0x00000000L},
    {0x00008000L,0x00000000L,0x20408000L,0x00000000L},
    {0x0001f66eL,0xfdfbf77cL,0x20408000L,0x00000000L},
    {0x24008224L,0x488a2248L,0x20408240L,0x00000012L},
    {0x54008224L,0x4a842210L,0x40404540L,0x0000002aL},
    {0x48008222L,0x8a8a1420L,0x20408480L,0x00000024L},
    {0x00008a23L,0x85111c44L,0x20408000L,0x00000000L},
    {0x000071d1L,0x0531887cL,0x20408000L,0x00000000L},
    {0x00000000L,0x00000800L,0x20408000L,0x00000000L},
    {0x00000000L,0x00000800L,0x10410000L,0x00000000L},
    {0x00000000L,0x00003000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x00000000L,0x00000000L,0x00000000L},
    {0x00000000L,0x20000c00L,0x10000000L,0x00000000L},
    {0xc600a000L,0x42000810L,0x00000002L,0x00000063L},
    {0x6c00a000L,0x45000810L,0x00000002L,0x00000036L},
    {0x6c00a000L,0x88800808L,0xf2e1dee2L,0x00000036L},
    {0x54000000L,0x80000800L,0x11122442L,0x0000002aL},
    {0x54000001L,0x00000800L,0x11122442L,0x0000002aL},
    {0x54000001L,0x00000800L,0x11122282L,0x0000002aL},
    {0x44000102L,0x00000800L,0x11122382L,0x00000022L},
    {0xee000102L,0x00000800L,0x11e1e102L,0x00000077L},
    {0x00000204L,0x00000800L,0x11002102L,0x00000000L},
    {0x00000000L,0x00000c00L,0x11002102L,0x00000000L},
    {0x00000000L,0x003f8000L,0xe3807600L,0x00000000L}
    };

/* A default BDF font */
/* Not as nicely compacted as the PBM font, oh well. */

static struct glyph _g[190] = {
 { 1, 1, 0, 0, 3, "\0" },
 { 1, 9, 1, 0, 3, "\1\1\1\1\1\1\1\0\1" },
 { 3, 3, 1, 6, 5, "\1\0\1\1\0\1\1\0\1" },
 { 5, 8, 0, 0, 6, "\0\1\0\1\0\0\1\0\1\0\1\1\1\1\1\0\1\0\1\0\0\1\0\1\0\1\1\1\1\1\0\1\0\1\0\0\1\0\1\0" },
 { 5, 11, 0, -1, 6, "\0\0\1\0\0\0\1\1\1\0\1\0\1\0\1\1\0\1\0\0\0\1\1\0\0\0\0\1\1\0\0\0\1\0\1\0\0\1\0\1\1\0\1\0\1\0\1\1\1\0\0\0\1\0\0" },
 { 8, 9, 0, 0, 9, "\0\1\1\0\0\0\1\1\1\0\0\1\1\1\1\0\1\0\0\1\0\1\0\0\0\1\1\0\1\0\0\0\0\0\0\1\0\0\0\0\0\0\1\1\0\1\1\0\0\0\1\0\1\0\0\1\0\1\0\0\1\0\0\1\0\1\0\0\0\1\1\0" },
 { 9, 9, 0, 0, 10, "\0\0\0\1\1\0\0\0\0\0\0\1\0\0\1\0\0\0\0\0\1\0\0\1\0\0\0\0\0\0\1\1\0\1\1\1\0\1\1\1\1\0\0\1\0\1\1\0\0\1\1\1\0\0\1\0\0\0\0\1\0\0\0\1\1\0\0\1\1\1\0\1\0\1\1\1\1\0\1\1\0" },
 { 2, 3, 1, 6, 4, "\1\1\0\1\1\0" },
 { 3, 12, 1, -3, 5, "\0\0\1\0\1\0\0\1\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\0\1\0\0\1\0\0\0\1" },
 { 3, 12, 0, -3, 5, "\1\0\0\0\1\0\0\1\0\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\1\0\0\1\0\1\0\0" },
 { 5, 5, 0, 4, 6, "\0\0\1\0\0\1\0\1\0\1\0\1\1\1\0\1\0\1\0\1\0\0\1\0\0" },
 { 5, 5, 1, 1, 7, "\0\0\1\0\0\0\0\1\0\0\1\1\1\1\1\0\0\1\0\0\0\0\1\0\0" },
 { 2, 3, 0, -2, 3, "\0\1\0\1\1\0" },
 { 5, 1, 1, 3, 8, "\1\1\1\1\1" },
 { 1, 1, 1, 0, 3, "\1" },
 { 3, 9, 0, 0, 3, "\0\0\1\0\0\1\0\0\1\0\1\0\0\1\0\0\1\0\1\0\0\1\0\0\1\0\0" },
 { 5, 9, 0, 0, 6, "\0\1\1\1\0\1\1\0\1\1\1\0\0\0\1\1\0\0\0\1\1\0\0\0\1\1\0\0\0\1\1\0\0\0\1\1\1\0\1\1\0\1\1\1\0" },
 { 4, 9, 0, 0, 6, "\0\0\1\0\0\1\1\0\1\0\1\0\0\0\1\0\0\0\1\0\0\0\1\0\0\0\1\0\0\0\1\0\0\1\1\1" },
 { 5, 9, 0, 0, 6, "\0\1\1\1\0\1\0\0\0\1\0\0\0\0\1\0\0\0\0\1\0\0\0\1\0\0\0\1\0\0\0\1\0\0\0\1\0\0\0\1\1\1\1\1\1" },
 { 5, 9, 0, 0, 6, "\0\1\1\1\0\1\0\0\0\1\0\0\0\0\1\0\0\0\1\0\0\1\1\1\0\0\0\0\0\1\0\0\0\0\1\1\0\0\0\1\0\1\1\1\0" },
 { 5, 9, 0, 0, 6, "\0\0\0\1\0\0\0\1\1\0\0\0\1\1\0\0\1\0\1\0\0\1\0\1\0\1\0\0\1\0\1\1\1\1\1\0\0\0\1\0\0\0\0\1\0" },
 { 5, 9, 0, 0, 6, "\0\0\1\1\1\0\1\0\0\0\0\1\0\0\0\0\1\1\1\0\0\0\0\1\1\0\0\0\0\1\0\0\0\0\1\1\0\0\1\1\0\1\1\1\0" },
 { 5, 9, 0, 0, 6, "\0\0\0\1\1\0\1\1\0\0\0\1\0\0\0\1\1\1\1\0\1\0\0\1\1\1\0\0\0\1\1\0\0\0\1\1\1\0\0\1\0\1\1\1\0" },
 { 5, 9, 0, 0, 6, "\1\1\1\1\1\1\0\0\0\1\0\0\0\1\0\0\0\0\1\0\0\0\1\0\0\0\0\1\0\0\0\1\0\0\0\0\1\0\0\0\0\1\0\0\0" },
 { 5, 9, 0, 0, 6, "\0\1\1\1\0\1\0\0\0\1\1\0\0\0\1\1\1\0\0\1\0\1\1\1\0\1\0\0\1\1\1\0\0\0\1\1\0\0\0\1\0\1\1\1\0" },
 { 5, 9, 0, 0, 6, "\0\1\1\1\0\1\0\0\1\1\1\0\0\0\1\1\0\0\0\1\1\1\0\0\1\0\1\1\1\1\0\0\0\1\0\0\0\1\1\0\1\1\0\0\0" },
 { 1, 6, 1, 0, 3, "\1\0\0\0\0\1" },
 { 2, 8, 0, -2, 3, "\0\1\0\0\0\0\0\0\0\0\0\1\0\1\1\0" },
 { 6, 5, 0, 1, 8, "\0\0\0\0\1\1\0\0\1\1\0\0\1\1\0\0\0\0\0\0\1\1\0\0\0\0\0\0\1\1" },
 { 5, 3, 1, 2, 7, "\1\1\1\1\1\0\0\0\0\0\1\1\1\1\1" },
 { 6, 5, 1, 1, 8, "\1\1\0\0\0\0\0\0\1\1\0\0\0\0\0\0\1\1\0\0\1\1\0\0\1\1\0\0\0\0" },
 { 4, 9, 0, 0, 5, "\0\1\1\0\1\0\0\1\0\0\0\1\0\0\1\0\0\1\0\0\0\1\0\0\0\1\0\0\0\0\0\0\0\1\0\0" },
 { 10, 11, 1, -2, 11, "\0\0\0\0\1\1\1\1\0\0\0\0\1\1\0\0\0\0\1\0\0\1\1\0\0\0\0\0\0\1\0\1\0\0\1\1\0\1\0\1\1\0\0\1\0\0\1\0\0\1\1\0\1\0\0\0\1\0\0\1\1\0\1\0\0\1\0\0\1\0\1\0\1\0\0\1\0\0\1\0\1\0\0\1\1\0\1\1\0\0\0\1\0\0\0\0\0\0\0\0\0\0\1\1\1\1\1\0\0\0" },
 { 9, 9, 0, 0, 9, "\0\0\0\0\1\0\0\0\0\0\0\0\0\1\0\0\0\0\0\0\0\1\0\1\0\0\0\0\0\0\1\0\1\0\0\0\0\0\1\0\0\0\1\0\0\0\0\1\1\1\1\1\0\0\0\0\1\0\0\0\1\0\0\0\1\0\0\0\0\0\1\0\1\1\1\0\0\0\1\1\1" },
 { 7, 9, 0, 0, 8, "\1\1\1\1\1\1\0\0\1\0\0\0\1\1\0\1\0\0\0\0\1\0\1\0\0\0\1\1\0\1\1\1\1\1\0\0\1\0\0\0\0\1\0\1\0\0\0\0\1\0\1\0\0\0\1\1\1\1\1\1\1\1\0" },
 { 7, 9, 0, 0, 8, "\0\0\1\1\1\0\1\0\1\1\0\0\1\1\0\1\0\0\0\0\1\1\0\0\0\0\0\0\1\0\0\0\0\0\0\1\0\0\0\0\0\0\0\1\0\0\0\0\1\0\1\1\0\0\1\1\0\0\1\1\1\1\0" },
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 { 5, 9, 1, 0, 6, "\0\1\0\0\0\0\0\1\0\0\0\0\0\0\0\0\1\1\0\0\1\0\0\1\0\1\1\1\1\0\1\0\0\0\0\1\1\0\0\1\0\1\1\1\0" },
 { 5, 9, 1, 0, 6, "\0\0\1\0\0\0\1\0\0\0\0\0\0\0\0\0\1\1\0\0\1\0\0\1\0\1\1\1\1\0\1\0\0\0\0\1\1\0\0\1\0\1\1\1\0" },
 { 5, 9, 1, 0, 6, "\0\0\1\0\0\0\1\0\1\0\0\0\0\0\0\0\1\1\0\0\1\0\0\1\0\1\1\1\1\0\1\0\0\0\0\1\1\0\0\1\0\1\1\1\0" },
 { 5, 8, 1, 0, 6, "\0\1\0\1\0\0\0\0\0\0\0\1\1\0\0\1\0\0\1\0\1\1\1\1\0\1\0\0\0\0\1\1\0\0\1\0\1\1\1\0" },
 { 3, 9, 0, 0, 3, "\1\0\0\0\1\0\0\0\0\1\1\0\0\1\0\0\1\0\0\1\0\0\1\0\1\1\1" },
 { 3, 9, 0, 0, 3, "\0\1\0\1\0\0\0\0\0\1\1\0\0\1\0\0\1\0\0\1\0\0\1\0\1\1\1" },
 { 3, 9, 0, 0, 3, "\0\1\0\1\0\1\0\0\0\1\1\0\0\1\0\0\1\0\0\1\0\0\1\0\1\1\1" },
 { 3, 8, 0, 0, 3, "\1\0\1\0\0\0\1\1\0\0\1\0\0\1\0\0\1\0\0\1\0\1\1\1" },
 { 4, 9, 1, 0, 6, "\0\1\0\0\0\1\1\1\1\0\1\0\0\1\1\1\1\0\0\1\1\0\0\1\1\0\0\1\1\0\0\1\0\1\1\0" },
 { 6, 9, 0, 0, 6, "\0\0\1\0\1\0\0\1\0\1\0\0\0\0\0\0\0\0\1\0\1\1\0\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\1\1\1\0\1\1" },
 { 4, 9, 1, 0, 6, "\0\1\0\0\0\0\1\0\0\0\0\0\0\1\1\0\1\0\0\1\1\0\0\1\1\0\0\1\1\0\0\1\0\1\1\0" },
 { 4, 9, 1, 0, 6, "\0\0\1\0\0\1\0\0\0\0\0\0\0\1\1\0\1\0\0\1\1\0\0\1\1\0\0\1\1\0\0\1\0\1\1\0" },
 { 4, 9, 1, 0, 6, "\0\0\1\0\0\1\0\1\0\0\0\0\0\1\1\0\1\0\0\1\1\0\0\1\1\0\0\1\1\0\0\1\0\1\1\0" },
 { 4, 9, 1, 0, 6, "\0\1\0\1\1\0\1\0\0\0\0\0\0\1\1\0\1\0\0\1\1\0\0\1\1\0\0\1\1\0\0\1\0\1\1\0" },
 { 4, 8, 1, 0, 6, "\1\0\1\0\0\0\0\0\0\1\1\0\1\0\0\1\1\0\0\1\1\0\0\1\1\0\0\1\0\1\1\0" },
 { 5, 5, 1, 1, 7, "\0\0\1\0\0\0\0\0\0\0\1\1\1\1\1\0\0\0\0\0\0\0\1\0\0" },
 { 6, 7, 0, -1, 6, "\0\0\1\1\0\1\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\1\1\0\0\1\0\0\0\0\0" },
 { 6, 9, 0, 0, 6, "\0\0\1\0\0\0\0\0\0\1\0\0\0\0\0\0\0\0\1\1\0\1\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\0\1\1\0\1" },
 { 6, 9, 0, 0, 6, "\0\0\0\1\0\0\0\0\1\0\0\0\0\0\0\0\0\0\1\1\0\1\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\0\1\1\0\1" },
 { 6, 9, 0, 0, 6, "\0\0\1\0\0\0\0\1\0\1\0\0\0\0\0\0\0\0\1\1\0\1\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\0\1\1\0\1" },
 { 6, 8, 0, 0, 6, "\0\1\0\1\0\0\0\0\0\0\0\0\1\1\0\1\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\1\0\0\0\1\1\0\1" },
 { 6, 12, 0, -3, 6, "\0\0\0\0\1\0\0\0\0\1\0\0\0\0\0\0\0\0\1\1\0\0\1\1\0\1\0\0\1\0\0\1\0\1\1\0\0\1\0\1\0\0\0\0\1\1\0\0\0\0\1\0\0\0\0\0\1\0\0\0\0\1\0\0\0\0\1\1\0\0\0\0" },
 { 5, 12, 0, -3, 6, "\1\1\0\0\0\0\1\0\0\0\0\1\0\0\0\0\1\1\1\0\0\1\0\0\1\0\1\0\0\1\0\1\0\0\1\0\1\0\0\1\0\1\1\1\0\0\1\0\0\0\0\1\0\0\0\1\1\1\0\0" },
 { 6, 11, 0, -3, 6, "\0\1\0\0\1\0\0\0\0\0\0\0\1\1\0\0\1\1\0\1\0\0\1\0\0\1\0\1\1\0\0\1\0\1\0\0\0\0\1\1\0\0\0\0\1\0\0\0\0\0\1\0\0\0\0\1\0\0\0\0\1\1\0\0\0\0" }
};

static struct font default_bdffont = { 14, 15, -1, -3, {
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 _g + 0,
 _g + 1,
 _g + 2,
 _g + 3,
 _g + 4,
 _g + 5,
 _g + 6,
 _g + 7,
 _g + 8,
 _g + 9,
 _g + 10,
 _g + 11,
 _g + 12,
 _g + 13,
 _g + 14,
 _g + 15,
 _g + 16,
 _g + 17,
 _g + 18,
 _g + 19,
 _g + 20,
 _g + 21,
 _g + 22,
 _g + 23,
 _g + 24,
 _g + 25,
 _g + 26,
 _g + 27,
 _g + 28,
 _g + 29,
 _g + 30,
 _g + 31,
 _g + 32,
 _g + 33,
 _g + 34,
 _g + 35,
 _g + 36,
 _g + 37,
 _g + 38,
 _g + 39,
 _g + 40,
 _g + 41,
 _g + 42,
 _g + 43,
 _g + 44,
 _g + 45,
 _g + 46,
 _g + 47,
 _g + 48,
 _g + 49,
 _g + 50,
 _g + 51,
 _g + 52,
 _g + 53,
 _g + 54,
 _g + 55,
 _g + 56,
 _g + 57,
 _g + 58,
 _g + 59,
 _g + 60,
 _g + 61,
 _g + 62,
 _g + 63,
 _g + 64,
 _g + 65,
 _g + 66,
 _g + 67,
 _g + 68,
 _g + 69,
 _g + 70,
 _g + 71,
 _g + 72,
 _g + 73,
 _g + 74,
 _g + 75,
 _g + 76,
 _g + 77,
 _g + 78,
 _g + 79,
 _g + 80,
 _g + 81,
 _g + 82,
 _g + 83,
 _g + 84,
 _g + 85,
 _g + 86,
 _g + 87,
 _g + 88,
 _g + 89,
 _g + 90,
 _g + 91,
 _g + 92,
 _g + 93,
 _g + 94,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 _g + 95,
 _g + 96,
 _g + 97,
 _g + 98,
 _g + 99,
 _g + 100,
 _g + 101,
 _g + 102,
 _g + 103,
 _g + 104,
 _g + 105,
 _g + 106,
 _g + 107,
 _g + 108,
 _g + 109,
 _g + 110,
 _g + 111,
 _g + 112,
 _g + 113,
 _g + 114,
 _g + 115,
 _g + 116,
 _g + 117,
 _g + 118,
 _g + 119,
 _g + 120,
 _g + 121,
 _g + 122,
 _g + 123,
 _g + 124,
 _g + 125,
 _g + 126,
 _g + 127,
 _g + 128,
 _g + 129,
 _g + 130,
 _g + 131,
 _g + 132,
 _g + 133,
 _g + 134,
 _g + 135,
 _g + 136,
 _g + 137,
 _g + 138,
 _g + 139,
 _g + 140,
 _g + 141,
 _g + 142,
 _g + 143,
 _g + 144,
 _g + 145,
 _g + 146,
 _g + 147,
 _g + 148,
 _g + 149,
 _g + 150,
 _g + 151,
 _g + 152,
 _g + 153,
 _g + 154,
 _g + 155,
 _g + 156,
 _g + 157,
 _g + 158,
 _g + 159,
 _g + 160,
 _g + 161,
 _g + 162,
 _g + 163,
 _g + 164,
 _g + 165,
 _g + 166,
 _g + 167,
 _g + 168,
 _g + 169,
 _g + 170,
 _g + 171,
 _g + 172,
 _g + 173,
 _g + 174,
 _g + 175,
 _g + 176,
 _g + 177,
 _g + 178,
 _g + 179,
 _g + 180,
 _g + 181,
 _g + 182,
 _g + 183,
 _g + 184,
 _g + 185,
 _g + 186,
 _g + 187,
 _g + 188,
 _g + 189
 }
};



struct font *
pbm_defaultfont(const char * const name) {
/*----------------------------------------------------------------------------
   Generate the built-in font with name 'name'.
-----------------------------------------------------------------------------*/
    struct font * retval;

    if (strcmp(name, "bdf") == 0)
        retval = &default_bdffont;
    else {
        bit** defaultfont;
        unsigned int row;

        if (strcmp(name, "fixed") != 0)
            pm_error( "built-in font name unknown, try 'bdf' or 'fixed'" );

        defaultfont = pbm_allocarray( DEFAULTFONT_COLS, DEFAULTFONT_ROWS );
        for (row =  0; row < DEFAULTFONT_ROWS; ++row) {
            unsigned int col;
            for (col = 0; col < DEFAULTFONT_COLS; col += 32) {
                int scol;
                unsigned long l;

                l = defaultfont_bits[row][col / 32]; /* initial value */

                for (scol = MIN( col + 32, DEFAULTFONT_COLS) - 1;
                     scol >= (int)col; 
                     --scol) {
                    if (l & 0x01)
                        defaultfont[row][scol] = 1;
                    else
                        defaultfont[row][scol] = 0;
                    l >>= 1;
                }
            }
        }

        retval = 
            pbm_dissectfont(defaultfont, DEFAULTFONT_ROWS, DEFAULTFONT_COLS);
    }
    return retval;
}


struct font*
pbm_dissectfont(bit ** const font,
                int    const frows,
                int    const fcols) {
    /*
    ** This routine expects a font bitmap representing the following text:
    **
    ** (0,0)
    **    M ",/^_[`jpqy| M
    **
    **    /  !"#$%&'()*+ /
    **    < ,-./01234567 <
    **    > 89:;<=>?@ABC >
    **    @ DEFGHIJKLMNO @
    **    _ PQRSTUVWXYZ[ _
    **    { \]^_`abcdefg {
    **    } hijklmnopqrs }
    **    ~ tuvwxyz{|}~  ~
    **
    **    M ",/^_[`jpqy| M
    **
    ** The bitmap must be cropped exactly to the edges.
    **
    ** The border you see is irrelevant.  The 12 x 8 array in the center is
    ** the font.  The top left character there belongs to code point 0, and
    ** the code points increase in standard reading order, so the bottom
    ** right character is code point 127.  You can't define code points 
    ** < 32 or > 127 with this font format.
    **
    ** The dissection works by finding the first blank row and column; that
    ** gives the height and width of the maximum-sized character, which is
    ** not too useful.  But the distance from there to the opposite side is
    ** an integral multiple of the cell size, and that's what we need.  Then
    ** it's just a matter of filling in all the coordinates.
    **
    ** The difference between cell_height, cell_width and char_height,
    ** char_width is that the first is the size of the cell including
    ** spacing, while the second is just the actual maximum-size character.
    */
    int cell_width, cell_height, char_width, char_height;
    int brow, bcol, row, col, d, ch, r, c, i;
    struct font* fn;
    struct glyph* glyph;
    char* bmap;
    bit b;

    /* Find first blank row. */
    for ( brow = 0; brow < frows / 6; ++brow ) {
        b = font[brow][0];
        for ( col = 1; col < fcols; ++col )
            if ( font[brow][col] != b )
                goto nextrow;
        goto gotblankrow;
    nextrow: ;
    }
    pm_error( "couldn't find blank row in font" );

 gotblankrow:
    /* Find first blank col. */
    for ( bcol = 0; bcol < fcols / 8; ++bcol ) {
        b = font[0][bcol];
        for ( row = 1; row < frows; ++row )
            if ( font[row][bcol] != b )
                goto nextcol;
        goto gotblankcol;
    nextcol: ;
    }
    pm_error( "couldn't find blank col in font" );

 gotblankcol:
    /* Now compute character cell size. */
    d = frows - brow;
    cell_height = d / 11;
    if ( cell_height * 11 != d )
        pm_error( "problem computing character cell height" );
    d = fcols - bcol;
    cell_width = d / 15;
    if ( cell_width * 15 != d )
        pm_error( "problem computing character cell width" );
    char_height = brow;
    char_width = bcol;

    /* Now convert to a general font */

    MALLOCVAR(fn);
    if ( fn == NULL )
        pm_error( "out of memory allocating font structure" );

    fn->maxwidth  = char_width;
    fn->maxheight = char_height;
    fn->x = fn->y = 0;

    fn->oldfont = font;
    fn->frows = frows;
    fn->fcols = fcols;
    
    /* Initialize all character positions to "undefined."  Those that
       are defined in the font will be filled in below.
    */
    for (i = 0; i < 256; i++)
        fn->glyph[i] = NULL;

    MALLOCARRAY(glyph, nCharsInFont);
    if ( glyph == NULL )
        pm_error( "out of memory allocating glyphs" );
    
    bmap = (char*) malloc( fn->maxwidth * fn->maxheight * nCharsInFont );
    if ( bmap == (char*) 0)
        pm_error( "out of memory allocating glyph data" );

    /* Now fill in the 0,0 coords. */
    row = cell_height * 2;
    col = cell_width * 2;
    for (i = 0; i < firstCodePoint; ++i)
        fn->glyph[i] = NULL;

    for ( ch = 0; ch < nCharsInFont; ++ch ) {
        glyph[ch].width = fn->maxwidth;
        glyph[ch].height = fn->maxheight;
        glyph[ch].x = glyph[ch].y = 0;
        glyph[ch].xadd = cell_width;

        for ( r = 0; r < glyph[ch].height; ++r )
            for ( c = 0; c < glyph[ch].width; ++c )
                bmap[r * glyph[ch].width + c] = font[row + r][col + c];
    
        glyph[ch].bmap = bmap;
        bmap += glyph[ch].width * glyph[ch].height;

        fn->glyph[firstCodePoint + ch] = &glyph[ch];

        col += cell_width;
        if ( col >= cell_width * 14 ) {
            col = cell_width * 2;
            row += cell_height;
        }
    }
    for (i = firstCodePoint + nCharsInFont; i < 256; ++i)
        fn->glyph[i] = NULL;
    
    return fn;
}



struct font*
pbm_loadfont(const char * const filename)
{
    FILE* fp;
    struct font* fn;
    char line[256];

    fp = pm_openr( filename );
    fgets(line, 256, fp);
    pm_close( fp );

    if (line[0] == PBM_MAGIC1 && 
        (line[1] == PBM_MAGIC2 || line[1] == RPBM_MAGIC2)) {
        return pbm_loadpbmfont( filename );
    } else if (!strncmp(line, "STARTFONT", 9)) {
        if (!(fn = pbm_loadbdffont( filename )))
          pm_error( "could not load BDF font file" );
        return fn;
    } else {
      pm_error( "font file not in a recognized format ");
      return NULL;  /* should never reach here */
  }
}



struct font* pbm_loadpbmfont(const char * const filename)
{
    FILE* ifp;
    bit** font;
    int fcols, frows;

    ifp = pm_openr( filename );
    font = pbm_readpbm( ifp, &fcols, &frows );
    pm_close( ifp );
    return pbm_dissectfont( font, frows, fcols );
}

void
pbm_dumpfont( fn )
    struct font* fn;
{
    /* Dump out font as C source code. */
    int row, col, scol, lperrow;
    unsigned long l;

    if (fn->oldfont) {
    printf( "#define DEFAULTFONT_ROWS %d\n", fn->frows );
    printf( "#define DEFAULTFONT_COLS %d\n", fn->fcols );
    printf( "static unsigned long defaultfont_bits[DEFAULTFONT_ROWS][(DEFAULTFONT_COLS+31)/32] = {\n" );
    for ( row = 0; row < fn->frows; ++row )
        {
        lperrow = 0;
        for ( col = 0; col < fn->fcols; col += 32 )
        {
        if ( lperrow == 0 )
            printf( "    {" );
        else if ( lperrow % 6 == 0 )
            {
            printf( ",\n     " );
            lperrow = 0;
            }
        else
            printf( "," );
        l = 0;
        for ( scol = col; scol < MIN( col + 32, fn->fcols ); ++scol )
            {
            l <<= 1;
            if ( fn->oldfont[row][scol] )
            l |= 1;
            }
        printf( "0x%08lxL", l );
        ++lperrow;
        }
        printf( "}%s\n", row == fn->frows - 1 ? "" : "," );
        }
    printf( "    };\n" );
    }
    else {
    struct glyph* glyph;
    int i, j, ng;

    ng = 0;
    for (i = 0; i < 256; i++)
        if (fn->glyph[i])
            ng++;

    printf("static struct glyph _g[%d] = {\n", ng);
    for (i = 0; i < 256; i++) {
        if (!(glyph = fn->glyph[i]))
            continue;

        printf(" { %d, %d, %d, %d, %d, \"", glyph->width, glyph->height,
            glyph->x, glyph->y, glyph->xadd);

        for (j = 0; j < glyph->width * glyph->height; j++)
            if (glyph->bmap[j])
                printf("\\1");
            else
                printf("\\0");
        
        ng--;
        printf("\" }%s\n", ng ? "," : "");
    }
    printf("};\n");

    printf("static struct font default_bdffont = { %d, %d, %d, %d, {\n",
        fn->maxwidth, fn->maxheight, fn->x, fn->y);

    for (i = 0; i < 256; i++) {
        if (fn->glyph[i])
            printf(" _g + %d", ng++);
        else
            printf(" 0");
        
        if (i != 255) printf(",");
        printf("\n");
    }

    printf(" }\n};\n");
    exit(0);

    }

}


/* Routines for loading a BDF font file */

static int readline ARGS((FILE* fp, char* buf, char* arg[]));

#define expect(str) if (readline(fp, line, arg) < 0 || strcmp(arg[0], (str))) \
    { fclose(fp); return 0; }

struct font* pbm_loadbdffont(const char * const name)
{
    FILE* fp;
    char line[1024], *arg[32], *hex;
    char *b;
    int n, numchar, hdig, encoding;
    struct font* font;
    struct glyph* glyph;

    if (!(fp = fopen(name, "rb")))
        return 0;

    expect("STARTFONT");

    MALLOCVAR(font);
    if (font == NULL)
        pm_error("no memory for font");
    font->oldfont = 0;
    { 
        /* Initialize all characters to nonexistent; we will fill the ones we
           find in the bdf file later.
        */
        int i;
        for (i = 0; i < 256; i++) 
            font->glyph[i] = NULL;
    }

    while (readline(fp, line, arg) >= 0) {
        if (!strcmp(arg[0], "COMMENT"))
            continue;
        if (!strcmp(arg[0], "SIZE"))
            continue;
        
        if (!strcmp(arg[0], "STARTPROPERTIES")) {
            n = atoi(arg[1]);
            for (; n > 0 && readline(fp, line, arg) >= 0; n--)
                ;
        }
        else if (!strcmp(arg[0], "FONTBOUNDINGBOX")) {
            font->maxwidth = atoi(arg[1]);
            font->maxheight = atoi(arg[2]);
            font->x = atoi(arg[3]);
            font->y = atoi(arg[4]);
        }
        else if (!strcmp(arg[0], "ENDFONT")) {
            fclose(fp);
            return font;
        }
        else if (!strcmp(arg[0], "CHARS")) {
            numchar = atoi(arg[1]);
            while (numchar > 0) {
                if (readline(fp, line, arg) < 0) { fclose(fp); return 0; }
                if (!strcmp(arg[0], "COMMENT"))
                    continue;
                if (strcmp(arg[0], "STARTCHAR")) { fclose(fp); return 0; }
                MALLOCVAR(glyph);
                if (glyph == NULL)
                    pm_error("no memory for font glyph");

                expect("ENCODING");
                if ((encoding = atoi(arg[1])) < 0) {
                    if (arg[2])
                        encoding = atoi(arg[2]);
                    else {
                        while (readline(fp, line, arg) >= 0)
                            if (!strcmp(arg[0], "ENDCHAR"))
                                break;
                        
                        numchar--;
                        continue;
                    }
                }
                expect("SWIDTH");
                expect("DWIDTH");
                glyph->xadd = atoi(arg[1]);
                expect("BBX");
                glyph->width = atoi(arg[1]);
                glyph->height = atoi(arg[2]);
                glyph->x = atoi(arg[3]);
                glyph->y = atoi(arg[4]);

                b = (char*)malloc(glyph->width * glyph->height * sizeof(char));
                glyph->bmap = b;
                if (!glyph->bmap)
                    pm_error("no memory for font glyph byte map");

                if (readline(fp, line, arg) < 0) { fclose(fp); return 0; }
                if (!strcmp(arg[0], "ATTRIBUTES"))
                    if (readline(fp, line, arg) < 0) { fclose(fp); return 0; }
                
                for (n = glyph->height; n > 0; n--) {
                    int i;  /* dot counter */
                    if (readline(fp, line, arg) < 0) { fclose(fp); return 0; }
                    hex = line;
                    for (i = glyph->width; i > 0; i -= 4) {
                        hdig = *hex++;
                        if (hdig >= '0' && hdig <= '9')
                            hdig -= '0';
                        else if (hdig >= 'a' && hdig <= 'f')
                            hdig -= 'a' - 10;
                        else if (hdig >= 'A' && hdig <= 'F')
                            hdig -= 'A' - 10;
                        
                        *b++ = hdig & 8 ? 1 : 0;
                        if (i > 1) *b++ = hdig & 4 ? 1 : 0;
                        if (i > 2) *b++ = hdig & 2 ? 1 : 0;
                        if (i > 3) *b++ = hdig & 1;
                    }
                }

                expect("ENDCHAR");

                if (encoding < 256)
                    /* We ignore any characters with codes that don't fit 
                       in 8 bits.  We may want to change this someday.
                       */
                    font->glyph[encoding] = glyph;

                numchar--;
            }
        }
    }
    return font;
}

static int readline(fp, buf, arg)
FILE* fp;
char* buf;
char* arg[];
{
    if (!fgets(buf, 1024, fp))
        return -1;
    
    return mk_argvn(buf, arg, 32);
}

int mk_argvn(s, vec, mk_max)
char* s;
char* vec[];
int mk_max;
{
    int n;

    n = 0;
    while (*s) {
        if (ISSPACE(*s)) {
            *s++ = '\0';
            continue;
        }
        vec[n++] = s;
        if (n >= mk_max)
            break;
        while (*s && !ISSPACE(*s))
            s++;
    }
    vec[n] = 0;

    /* Caller expects there to be at least one element in vec[], so we
       can't return an empty line.  More advanced releases of Netpbm
       just ignore blank lines.  If important, we can fairly easily port
       the required code back to this release, by replacing readline()
       with a current one, modified somewhat so it compiles here.

       - Bryan 2010.03.23 
    */
    if (n < 1)
        pm_error("Invalid font file -- contains a blank line");

    return n;
}