Found during clang-format experiments (in D26340). Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D30237
1125 lines
27 KiB
C
1125 lines
27 KiB
C
/*-
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* Copyright (c) 2009, 2014 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Ed Schouten under sponsorship from the
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* FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/endian.h>
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#include <sys/fnv_hash.h>
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#include <sys/font.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <assert.h>
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#include <err.h>
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#include <lz4.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define VFNT_MAXGLYPHS 131072
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#define VFNT_MAXDIMENSION 128
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static unsigned int width = 8, wbytes, height = 16;
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struct glyph {
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TAILQ_ENTRY(glyph) g_list;
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SLIST_ENTRY(glyph) g_hash;
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uint8_t *g_data;
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unsigned int g_index;
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};
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#define FONTCVT_NHASH 4096
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TAILQ_HEAD(glyph_list, glyph);
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static SLIST_HEAD(, glyph) glyph_hash[FONTCVT_NHASH];
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static struct glyph_list glyphs[VFNT_MAPS] = {
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TAILQ_HEAD_INITIALIZER(glyphs[0]),
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TAILQ_HEAD_INITIALIZER(glyphs[1]),
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TAILQ_HEAD_INITIALIZER(glyphs[2]),
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TAILQ_HEAD_INITIALIZER(glyphs[3]),
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};
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static unsigned int glyph_total, glyph_count[4], glyph_unique, glyph_dupe;
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struct mapping {
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TAILQ_ENTRY(mapping) m_list;
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unsigned int m_char;
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unsigned int m_length;
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struct glyph *m_glyph;
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};
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TAILQ_HEAD(mapping_list, mapping);
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static struct mapping_list maps[VFNT_MAPS] = {
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TAILQ_HEAD_INITIALIZER(maps[0]),
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TAILQ_HEAD_INITIALIZER(maps[1]),
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TAILQ_HEAD_INITIALIZER(maps[2]),
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TAILQ_HEAD_INITIALIZER(maps[3]),
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};
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static unsigned int mapping_total, map_count[4], map_folded_count[4],
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mapping_unique, mapping_dupe;
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enum output_format {
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VT_FONT, /* default */
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VT_C_SOURCE, /* C source for built in fonts */
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VT_C_COMPRESSED /* C source with compressed font data */
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};
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struct whitelist {
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uint32_t c;
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uint32_t len;
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};
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/*
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* Compressed font glyph list. To be used with boot loader, we need to have
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* ascii set and box drawing chars.
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*/
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static struct whitelist c_list[] = {
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{ .c = 0, .len = 0 }, /* deault char */
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{ .c = 0x20, .len = 0x5f },
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{ .c = 0x2500, .len = 0 }, /* single frame */
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{ .c = 0x2502, .len = 0 },
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{ .c = 0x250c, .len = 0 },
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{ .c = 0x2510, .len = 0 },
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{ .c = 0x2514, .len = 0 },
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{ .c = 0x2518, .len = 0 },
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{ .c = 0x2550, .len = 1 }, /* double frame */
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{ .c = 0x2554, .len = 0 },
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{ .c = 0x2557, .len = 0 },
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{ .c = 0x255a, .len = 0 },
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{ .c = 0x255d, .len = 0 },
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};
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/*
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* Uncompressed source. For x86 we need cp437 so the vga text mode
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* can program font into the vga card.
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*/
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static struct whitelist s_list[] = {
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{ .c = 0, .len = 0 }, /* deault char */
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{ .c = 0x20, .len = 0x5f }, /* ascii set */
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{ .c = 0xA0, .len = 0x5f }, /* latin 1 */
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{ .c = 0x0192, .len = 0 },
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{ .c = 0x0332, .len = 0 }, /* composing lower line */
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{ .c = 0x0393, .len = 0 },
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{ .c = 0x0398, .len = 0 },
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{ .c = 0x03A3, .len = 0 },
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{ .c = 0x03A6, .len = 0 },
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{ .c = 0x03A9, .len = 0 },
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{ .c = 0x03B1, .len = 1 },
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{ .c = 0x03B4, .len = 0 },
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{ .c = 0x03C0, .len = 0 },
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{ .c = 0x03C3, .len = 0 },
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{ .c = 0x03C4, .len = 0 },
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{ .c = 0x207F, .len = 0 },
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{ .c = 0x20A7, .len = 0 },
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{ .c = 0x2205, .len = 0 },
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{ .c = 0x220A, .len = 0 },
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{ .c = 0x2219, .len = 1 },
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{ .c = 0x221E, .len = 0 },
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{ .c = 0x2229, .len = 0 },
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{ .c = 0x2248, .len = 0 },
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{ .c = 0x2261, .len = 0 },
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{ .c = 0x2264, .len = 1 },
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{ .c = 0x2310, .len = 0 },
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{ .c = 0x2320, .len = 1 },
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{ .c = 0x2500, .len = 0 },
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{ .c = 0x2502, .len = 0 },
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{ .c = 0x250C, .len = 0 },
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{ .c = 0x2510, .len = 0 },
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{ .c = 0x2514, .len = 0 },
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{ .c = 0x2518, .len = 0 },
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{ .c = 0x251C, .len = 0 },
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{ .c = 0x2524, .len = 0 },
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{ .c = 0x252C, .len = 0 },
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{ .c = 0x2534, .len = 0 },
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{ .c = 0x253C, .len = 0 },
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{ .c = 0x2550, .len = 0x1c },
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{ .c = 0x2580, .len = 0 },
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{ .c = 0x2584, .len = 0 },
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{ .c = 0x2588, .len = 0 },
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{ .c = 0x258C, .len = 0 },
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{ .c = 0x2590, .len = 3 },
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{ .c = 0x25A0, .len = 0 },
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};
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static bool filter = true;
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static enum output_format format = VT_FONT;
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/* Type for write callback. */
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typedef size_t (*vt_write)(const void *, size_t, size_t, FILE *);
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static uint8_t *uncompressed;
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static void
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usage(void)
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{
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(void)fprintf(stderr, "usage: vtfontcvt "
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"[-n] [-f font|source|compressed-source] [-w width] "
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"[-h height]\n\t[-v] normal.bdf [bold.bdf] out.fnt\n");
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exit(1);
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}
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static void *
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xmalloc(size_t size)
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{
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void *m;
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if ((m = calloc(1, size)) == NULL)
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errx(1, "memory allocation failure");
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return (m);
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}
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static int
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add_mapping(struct glyph *gl, unsigned int c, unsigned int map_idx)
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{
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struct mapping *mp, *mp_temp;
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struct mapping_list *ml;
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mapping_total++;
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mp = xmalloc(sizeof *mp);
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mp->m_char = c;
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mp->m_glyph = gl;
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mp->m_length = 0;
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ml = &maps[map_idx];
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if (TAILQ_LAST(ml, mapping_list) == NULL ||
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TAILQ_LAST(ml, mapping_list)->m_char < c) {
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/* Common case: empty list or new char at end of list. */
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TAILQ_INSERT_TAIL(ml, mp, m_list);
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} else {
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/* Find insertion point for char; cannot be at end. */
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TAILQ_FOREACH(mp_temp, ml, m_list) {
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if (mp_temp->m_char >= c) {
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TAILQ_INSERT_BEFORE(mp_temp, mp, m_list);
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break;
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}
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}
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}
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map_count[map_idx]++;
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mapping_unique++;
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return (0);
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}
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static int
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dedup_mapping(unsigned int map_idx)
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{
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struct mapping *mp_bold, *mp_normal, *mp_temp;
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unsigned normal_map_idx = map_idx - VFNT_MAP_BOLD;
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assert(map_idx == VFNT_MAP_BOLD || map_idx == VFNT_MAP_BOLD_RIGHT);
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mp_normal = TAILQ_FIRST(&maps[normal_map_idx]);
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TAILQ_FOREACH_SAFE(mp_bold, &maps[map_idx], m_list, mp_temp) {
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while (mp_normal->m_char < mp_bold->m_char)
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mp_normal = TAILQ_NEXT(mp_normal, m_list);
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if (mp_bold->m_char != mp_normal->m_char)
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errx(1, "Character %u not in normal font!",
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mp_bold->m_char);
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if (mp_bold->m_glyph != mp_normal->m_glyph)
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continue;
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/* No mapping is needed if it's equal to the normal mapping. */
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TAILQ_REMOVE(&maps[map_idx], mp_bold, m_list);
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free(mp_bold);
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mapping_dupe++;
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}
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return (0);
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}
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static struct glyph *
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add_glyph(const uint8_t *bytes, unsigned int map_idx, int fallback)
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{
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struct glyph *gl;
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int hash;
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glyph_total++;
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glyph_count[map_idx]++;
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/* Return existing glyph if we have an identical one. */
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hash = fnv_32_buf(bytes, wbytes * height, FNV1_32_INIT) % FONTCVT_NHASH;
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SLIST_FOREACH(gl, &glyph_hash[hash], g_hash) {
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if (memcmp(gl->g_data, bytes, wbytes * height) == 0) {
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glyph_dupe++;
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return (gl);
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}
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}
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/* Allocate new glyph. */
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gl = xmalloc(sizeof *gl);
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gl->g_data = xmalloc(wbytes * height);
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memcpy(gl->g_data, bytes, wbytes * height);
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if (fallback)
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TAILQ_INSERT_HEAD(&glyphs[map_idx], gl, g_list);
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else
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TAILQ_INSERT_TAIL(&glyphs[map_idx], gl, g_list);
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SLIST_INSERT_HEAD(&glyph_hash[hash], gl, g_hash);
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glyph_unique++;
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if (glyph_unique > VFNT_MAXGLYPHS)
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errx(1, "too many glyphs (%u)", glyph_unique);
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return (gl);
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}
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static bool
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check_whitelist(unsigned c)
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{
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struct whitelist *w = NULL;
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int i, n = 0;
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if (filter == false)
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return (true);
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if (format == VT_C_SOURCE) {
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w = s_list;
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n = sizeof(s_list) / sizeof(s_list[0]);
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}
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if (format == VT_C_COMPRESSED) {
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w = c_list;
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n = sizeof(c_list) / sizeof(c_list[0]);
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}
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if (w == NULL)
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return (true);
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for (i = 0; i < n; i++) {
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if (c >= w[i].c && c <= w[i].c + w[i].len)
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return (true);
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}
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return (false);
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}
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static int
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add_char(unsigned curchar, unsigned map_idx, uint8_t *bytes, uint8_t *bytes_r)
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{
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struct glyph *gl;
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/* Prevent adding two glyphs for 0xFFFD */
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if (curchar == 0xFFFD) {
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if (map_idx < VFNT_MAP_BOLD)
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gl = add_glyph(bytes, 0, 1);
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} else if (filter == false || curchar >= 0x20) {
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gl = add_glyph(bytes, map_idx, 0);
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if (add_mapping(gl, curchar, map_idx) != 0)
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return (1);
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if (bytes_r != NULL) {
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gl = add_glyph(bytes_r, map_idx + 1, 0);
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if (add_mapping(gl, curchar, map_idx + 1) != 0)
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return (1);
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}
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}
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return (0);
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}
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/*
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* Right-shift glyph row.
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*/
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static void
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rshift_row(uint8_t *buf, size_t len, size_t shift)
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{
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ssize_t i, off_byte = shift / 8;
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size_t off_bit = shift % 8;
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if (shift == 0)
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return;
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for (i = len - 1; i >= 0; i--)
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buf[i] = (i >= off_byte ? buf[i - off_byte] >> off_bit : 0) |
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(i > off_byte ? buf[i - off_byte - 1] << (8 - off_bit) : 0);
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}
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/*
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* Split double-width characters into left and right half. Single-width
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* characters in _left_ only.
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*/
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static int
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split_row(uint8_t *left, uint8_t *right, uint8_t *line, size_t w)
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{
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size_t s, i;
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s = wbytes * 8 - width;
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memcpy(left, line, wbytes);
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*(left + wbytes - 1) &= 0xFF << s;
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if (w > width) { /* Double-width character. */
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uint8_t t;
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for (i = 0; i < wbytes; i++) {
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t = *(line + wbytes + i - 1);
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t <<= 8 - s;
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t |= *(line + wbytes + i) >> s;
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*(right + i) = t;
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}
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*(right + wbytes - 1) &= 0xFF << s;
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}
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return (0);
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}
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static void
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set_height(int h)
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{
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if (h <= 0 || h > VFNT_MAXDIMENSION)
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errx(1, "invalid height %d", h);
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height = h;
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}
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static void
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set_width(int w)
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{
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if (w <= 0 || w > VFNT_MAXDIMENSION)
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errx(1, "invalid width %d", w);
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width = w;
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wbytes = howmany(width, 8);
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}
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static int
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parse_bdf(FILE *fp, unsigned int map_idx)
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{
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char *ln, *p;
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size_t length;
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uint8_t *line, *bytes, *bytes_r;
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unsigned int curchar = 0, i, j, linenum = 0, bbwbytes;
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int bbw, bbh, bbox, bboy; /* Glyph bounding box. */
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int fbbw = 0, fbbh, fbbox, fbboy; /* Font bounding box. */
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int dwidth = 0, dwy = 0;
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int rv = -1;
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char spc = '\0';
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|
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/*
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* Step 1: Parse FONT logical font descriptor and FONTBOUNDINGBOX
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* bounding box.
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*/
|
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while ((ln = fgetln(fp, &length)) != NULL) {
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linenum++;
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ln[length - 1] = '\0';
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|
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if (strncmp(ln, "FONT ", 5) == 0) {
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p = ln + 5;
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i = 0;
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while ((p = strchr(p, '-')) != NULL) {
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p++;
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i++;
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if (i == 11) {
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spc = *p;
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break;
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}
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}
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} else if (strncmp(ln, "FONTBOUNDINGBOX ", 16) == 0) {
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if (sscanf(ln + 16, "%d %d %d %d", &fbbw, &fbbh, &fbbox,
|
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&fbboy) != 4)
|
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errx(1, "invalid FONTBOUNDINGBOX at line %u",
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linenum);
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set_width(fbbw);
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set_height(fbbh);
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break;
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}
|
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}
|
|
if (fbbw == 0)
|
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errx(1, "broken font header");
|
|
if (spc != 'c' && spc != 'C')
|
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errx(1, "font spacing \"C\" (character cell) required");
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|
|
/* Step 2: Validate DWIDTH (Device Width) of all glyphs. */
|
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while ((ln = fgetln(fp, &length)) != NULL) {
|
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linenum++;
|
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ln[length - 1] = '\0';
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|
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if (strncmp(ln, "DWIDTH ", 7) == 0) {
|
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if (sscanf(ln + 7, "%d %d", &dwidth, &dwy) != 2)
|
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errx(1, "invalid DWIDTH at line %u", linenum);
|
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if (dwy != 0 || (dwidth != fbbw && dwidth * 2 != fbbw))
|
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errx(1, "bitmap with unsupported DWIDTH %d %d at line %u",
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dwidth, dwy, linenum);
|
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if (dwidth < fbbw)
|
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set_width(dwidth);
|
|
}
|
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}
|
|
|
|
/* Step 3: Restart at the beginning of the file and read glyph data. */
|
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dwidth = bbw = bbh = 0;
|
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rewind(fp);
|
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linenum = 0;
|
|
bbwbytes = 0; /* GCC 4.2.1 "may be used uninitialized" workaround. */
|
|
bytes = xmalloc(wbytes * height);
|
|
bytes_r = xmalloc(wbytes * height);
|
|
line = xmalloc(wbytes * 2);
|
|
while ((ln = fgetln(fp, &length)) != NULL) {
|
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linenum++;
|
|
ln[length - 1] = '\0';
|
|
|
|
if (strncmp(ln, "ENCODING ", 9) == 0) {
|
|
curchar = atoi(ln + 9);
|
|
} else if (strncmp(ln, "DWIDTH ", 7) == 0) {
|
|
dwidth = atoi(ln + 7);
|
|
} else if (strncmp(ln, "BBX ", 4) == 0) {
|
|
if (sscanf(ln + 4, "%d %d %d %d", &bbw, &bbh, &bbox,
|
|
&bboy) != 4)
|
|
errx(1, "invalid BBX at line %u", linenum);
|
|
if (bbw < 1 || bbh < 1 || bbw > fbbw || bbh > fbbh ||
|
|
bbox < fbbox || bboy < fbboy ||
|
|
bbh + bboy > fbbh + fbboy)
|
|
errx(1, "broken bitmap with BBX %d %d %d %d at line %u",
|
|
bbw, bbh, bbox, bboy, linenum);
|
|
bbwbytes = howmany(bbw, 8);
|
|
} else if (strncmp(ln, "BITMAP", 6) == 0 &&
|
|
(ln[6] == ' ' || ln[6] == '\0')) {
|
|
if (dwidth == 0 || bbw == 0 || bbh == 0)
|
|
errx(1, "broken char header at line %u!",
|
|
linenum);
|
|
memset(bytes, 0, wbytes * height);
|
|
memset(bytes_r, 0, wbytes * height);
|
|
|
|
/*
|
|
* Assume that the next _bbh_ lines are bitmap data.
|
|
* ENDCHAR is allowed to terminate the bitmap
|
|
* early but is not otherwise checked; any extra data
|
|
* is ignored.
|
|
*/
|
|
for (i = (fbbh + fbboy) - (bbh + bboy);
|
|
i < (unsigned int)((fbbh + fbboy) - bboy); i++) {
|
|
if ((ln = fgetln(fp, &length)) == NULL)
|
|
errx(1, "unexpected EOF");
|
|
linenum++;
|
|
ln[length - 1] = '\0';
|
|
if (strcmp(ln, "ENDCHAR") == 0)
|
|
break;
|
|
if (strlen(ln) < bbwbytes * 2)
|
|
errx(1, "broken bitmap at line %u",
|
|
linenum);
|
|
memset(line, 0, wbytes * 2);
|
|
for (j = 0; j < bbwbytes; j++) {
|
|
unsigned int val;
|
|
if (sscanf(ln + j * 2, "%2x", &val) ==
|
|
0)
|
|
break;
|
|
*(line + j) = (uint8_t)val;
|
|
}
|
|
|
|
rshift_row(line, wbytes * 2, bbox - fbbox);
|
|
rv = split_row(bytes + i * wbytes,
|
|
bytes_r + i * wbytes, line, dwidth);
|
|
if (rv != 0)
|
|
goto out;
|
|
}
|
|
|
|
if (check_whitelist(curchar) == true) {
|
|
rv = add_char(curchar, map_idx, bytes,
|
|
dwidth > (int)width ? bytes_r : NULL);
|
|
if (rv != 0)
|
|
goto out;
|
|
}
|
|
|
|
dwidth = bbw = bbh = 0;
|
|
}
|
|
}
|
|
|
|
out:
|
|
free(bytes);
|
|
free(bytes_r);
|
|
free(line);
|
|
return (rv);
|
|
}
|
|
|
|
static int
|
|
parse_hex(FILE *fp, unsigned int map_idx)
|
|
{
|
|
char *ln, *p;
|
|
size_t length;
|
|
uint8_t *bytes = NULL, *bytes_r = NULL, *line = NULL;
|
|
unsigned curchar = 0, gwidth, gwbytes, i, j, chars_per_row;
|
|
int rv = 0;
|
|
|
|
while ((ln = fgetln(fp, &length)) != NULL) {
|
|
ln[length - 1] = '\0';
|
|
|
|
if (strncmp(ln, "# Height: ", 10) == 0) {
|
|
if (bytes != NULL)
|
|
errx(1, "malformed input: Height tag after font data");
|
|
set_height(atoi(ln + 10));
|
|
} else if (strncmp(ln, "# Width: ", 9) == 0) {
|
|
if (bytes != NULL)
|
|
errx(1, "malformed input: Width tag after font data");
|
|
set_width(atoi(ln + 9));
|
|
} else if (sscanf(ln, "%6x:", &curchar)) {
|
|
if (bytes == NULL) {
|
|
bytes = xmalloc(wbytes * height);
|
|
bytes_r = xmalloc(wbytes * height);
|
|
line = xmalloc(wbytes * 2);
|
|
}
|
|
/* ln is guaranteed to have a colon here. */
|
|
p = strchr(ln, ':') + 1;
|
|
chars_per_row = strlen(p) / height;
|
|
if (chars_per_row < wbytes * 2)
|
|
errx(1,
|
|
"malformed input: broken bitmap, character %06x",
|
|
curchar);
|
|
gwidth = width * 2;
|
|
gwbytes = howmany(gwidth, 8);
|
|
if (chars_per_row < gwbytes * 2 || gwidth <= 8) {
|
|
gwidth = width; /* Single-width character. */
|
|
gwbytes = wbytes;
|
|
}
|
|
|
|
for (i = 0; i < height; i++) {
|
|
for (j = 0; j < gwbytes; j++) {
|
|
unsigned int val;
|
|
if (sscanf(p + j * 2, "%2x", &val) == 0)
|
|
break;
|
|
*(line + j) = (uint8_t)val;
|
|
}
|
|
rv = split_row(bytes + i * wbytes,
|
|
bytes_r + i * wbytes, line, gwidth);
|
|
if (rv != 0)
|
|
goto out;
|
|
p += gwbytes * 2;
|
|
}
|
|
|
|
if (check_whitelist(curchar) == true) {
|
|
rv = add_char(curchar, map_idx, bytes,
|
|
gwidth != width ? bytes_r : NULL);
|
|
if (rv != 0)
|
|
goto out;
|
|
}
|
|
}
|
|
}
|
|
out:
|
|
free(bytes);
|
|
free(bytes_r);
|
|
free(line);
|
|
return (rv);
|
|
}
|
|
|
|
static int
|
|
parse_file(const char *filename, unsigned int map_idx)
|
|
{
|
|
FILE *fp;
|
|
size_t len;
|
|
int rv;
|
|
|
|
fp = fopen(filename, "r");
|
|
if (fp == NULL) {
|
|
perror(filename);
|
|
return (1);
|
|
}
|
|
len = strlen(filename);
|
|
if (len > 4 && strcasecmp(filename + len - 4, ".hex") == 0)
|
|
rv = parse_hex(fp, map_idx);
|
|
else
|
|
rv = parse_bdf(fp, map_idx);
|
|
fclose(fp);
|
|
return (rv);
|
|
}
|
|
|
|
static void
|
|
number_glyphs(void)
|
|
{
|
|
struct glyph *gl;
|
|
unsigned int i, idx = 0;
|
|
|
|
for (i = 0; i < VFNT_MAPS; i++)
|
|
TAILQ_FOREACH(gl, &glyphs[i], g_list)
|
|
gl->g_index = idx++;
|
|
}
|
|
|
|
/* Note we only deal with byte stream here. */
|
|
static size_t
|
|
write_glyph_source(const void *ptr, size_t size, size_t nitems, FILE *stream)
|
|
{
|
|
const uint8_t *data = ptr;
|
|
size_t i;
|
|
|
|
size *= nitems;
|
|
for (i = 0; i < size; i++) {
|
|
if ((i % wbytes) == 0) {
|
|
if (fprintf(stream, "\n") < 0)
|
|
return (0);
|
|
}
|
|
if (fprintf(stream, "0x%02x, ", data[i]) < 0)
|
|
return (0);
|
|
}
|
|
if (fprintf(stream, "\n") < 0)
|
|
nitems = 0;
|
|
|
|
return (nitems);
|
|
}
|
|
|
|
/* Write to buffer */
|
|
static size_t
|
|
write_glyph_buf(const void *ptr, size_t size, size_t nitems,
|
|
FILE *stream __unused)
|
|
{
|
|
static size_t index = 0;
|
|
|
|
size *= nitems;
|
|
(void) memmove(uncompressed + index, ptr, size);
|
|
index += size;
|
|
|
|
return (nitems);
|
|
}
|
|
|
|
static int
|
|
write_glyphs(FILE *fp, vt_write cb)
|
|
{
|
|
struct glyph *gl;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < VFNT_MAPS; i++) {
|
|
TAILQ_FOREACH(gl, &glyphs[i], g_list)
|
|
if (cb(gl->g_data, wbytes * height, 1, fp) != 1)
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
fold_mappings(unsigned int map_idx)
|
|
{
|
|
struct mapping_list *ml = &maps[map_idx];
|
|
struct mapping *mn, *mp, *mbase;
|
|
|
|
mp = mbase = TAILQ_FIRST(ml);
|
|
for (mp = mbase = TAILQ_FIRST(ml); mp != NULL; mp = mn) {
|
|
mn = TAILQ_NEXT(mp, m_list);
|
|
if (mn != NULL && mn->m_char == mp->m_char + 1 &&
|
|
mn->m_glyph->g_index == mp->m_glyph->g_index + 1)
|
|
continue;
|
|
mbase->m_length = mp->m_char - mbase->m_char + 1;
|
|
mbase = mp = mn;
|
|
map_folded_count[map_idx]++;
|
|
}
|
|
}
|
|
|
|
static int
|
|
write_mappings(FILE *fp, unsigned int map_idx)
|
|
{
|
|
struct mapping_list *ml = &maps[map_idx];
|
|
struct mapping *mp;
|
|
vfnt_map_t fm;
|
|
unsigned int i = 0, j = 0;
|
|
|
|
TAILQ_FOREACH(mp, ml, m_list) {
|
|
j++;
|
|
if (mp->m_length > 0) {
|
|
i += mp->m_length;
|
|
fm.vfm_src = htobe32(mp->m_char);
|
|
fm.vfm_dst = htobe16(mp->m_glyph->g_index);
|
|
fm.vfm_len = htobe16(mp->m_length - 1);
|
|
if (fwrite(&fm, sizeof fm, 1, fp) != 1)
|
|
return (1);
|
|
}
|
|
}
|
|
assert(i == j);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
write_source_mappings(FILE *fp, unsigned int map_idx)
|
|
{
|
|
struct mapping_list *ml = &maps[map_idx];
|
|
struct mapping *mp;
|
|
unsigned int i = 0, j = 0;
|
|
|
|
TAILQ_FOREACH(mp, ml, m_list) {
|
|
j++;
|
|
if (mp->m_length > 0) {
|
|
i += mp->m_length;
|
|
if (fprintf(fp, "\t{ 0x%08x, 0x%04x, 0x%04x },\n",
|
|
mp->m_char, mp->m_glyph->g_index,
|
|
mp->m_length - 1) < 0)
|
|
return (1);
|
|
}
|
|
}
|
|
assert(i == j);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
write_fnt(const char *filename)
|
|
{
|
|
FILE *fp;
|
|
struct font_header fh = {
|
|
.fh_magic = FONT_HEADER_MAGIC,
|
|
};
|
|
|
|
fp = fopen(filename, "wb");
|
|
if (fp == NULL) {
|
|
perror(filename);
|
|
return (1);
|
|
}
|
|
|
|
fh.fh_width = width;
|
|
fh.fh_height = height;
|
|
fh.fh_glyph_count = htobe32(glyph_unique);
|
|
fh.fh_map_count[0] = htobe32(map_folded_count[0]);
|
|
fh.fh_map_count[1] = htobe32(map_folded_count[1]);
|
|
fh.fh_map_count[2] = htobe32(map_folded_count[2]);
|
|
fh.fh_map_count[3] = htobe32(map_folded_count[3]);
|
|
if (fwrite(&fh, sizeof(fh), 1, fp) != 1) {
|
|
perror(filename);
|
|
fclose(fp);
|
|
return (1);
|
|
}
|
|
|
|
if (write_glyphs(fp, &fwrite) != 0 ||
|
|
write_mappings(fp, VFNT_MAP_NORMAL) != 0 ||
|
|
write_mappings(fp, VFNT_MAP_NORMAL_RIGHT) != 0 ||
|
|
write_mappings(fp, VFNT_MAP_BOLD) != 0 ||
|
|
write_mappings(fp, VFNT_MAP_BOLD_RIGHT) != 0) {
|
|
perror(filename);
|
|
fclose(fp);
|
|
return (1);
|
|
}
|
|
|
|
fclose(fp);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
write_fnt_source(bool lz4, const char *filename)
|
|
{
|
|
FILE *fp;
|
|
int rv = 1;
|
|
size_t uncompressed_size = wbytes * height * glyph_unique;
|
|
size_t compressed_size = uncompressed_size;
|
|
uint8_t *compressed = NULL;
|
|
|
|
fp = fopen(filename, "w");
|
|
if (fp == NULL) {
|
|
perror(filename);
|
|
return (1);
|
|
}
|
|
|
|
if (lz4 == true) {
|
|
uncompressed = xmalloc(uncompressed_size);
|
|
compressed = xmalloc(uncompressed_size);
|
|
}
|
|
if (fprintf(fp, "/* Generated %ux%u console font source. */\n\n",
|
|
width, height) < 0)
|
|
goto done;
|
|
if (fprintf(fp, "#include <sys/types.h>\n") < 0)
|
|
goto done;
|
|
if (fprintf(fp, "#include <sys/param.h>\n") < 0)
|
|
goto done;
|
|
if (fprintf(fp, "#include <sys/font.h>\n\n") < 0)
|
|
goto done;
|
|
|
|
/* Write font bytes. */
|
|
if (fprintf(fp, "static uint8_t FONTDATA_%ux%u[] = {\n",
|
|
width, height) < 0)
|
|
goto done;
|
|
if (lz4 == true) {
|
|
if (write_glyphs(fp, &write_glyph_buf) != 0)
|
|
goto done;
|
|
compressed_size = lz4_compress(uncompressed, compressed,
|
|
uncompressed_size, compressed_size, 0);
|
|
if (write_glyph_source(compressed, compressed_size, 1, fp) != 1)
|
|
goto done;
|
|
free(uncompressed);
|
|
free(compressed);
|
|
} else {
|
|
if (write_glyphs(fp, &write_glyph_source) != 0)
|
|
goto done;
|
|
}
|
|
if (fprintf(fp, "};\n\n") < 0)
|
|
goto done;
|
|
|
|
/* Write font maps. */
|
|
if (!TAILQ_EMPTY(&maps[VFNT_MAP_NORMAL])) {
|
|
if (fprintf(fp, "static vfnt_map_t "
|
|
"FONTMAP_NORMAL_%ux%u[] = {\n", width, height) < 0)
|
|
goto done;
|
|
if (write_source_mappings(fp, VFNT_MAP_NORMAL) != 0)
|
|
goto done;
|
|
if (fprintf(fp, "};\n\n") < 0)
|
|
goto done;
|
|
}
|
|
if (!TAILQ_EMPTY(&maps[VFNT_MAP_NORMAL_RIGHT])) {
|
|
if (fprintf(fp, "static vfnt_map_t "
|
|
"FONTMAP_NORMAL_RH_%ux%u[] = {\n", width, height) < 0)
|
|
goto done;
|
|
if (write_source_mappings(fp, VFNT_MAP_NORMAL_RIGHT) != 0)
|
|
goto done;
|
|
if (fprintf(fp, "};\n\n") < 0)
|
|
goto done;
|
|
}
|
|
if (!TAILQ_EMPTY(&maps[VFNT_MAP_BOLD])) {
|
|
if (fprintf(fp, "static vfnt_map_t "
|
|
"FONTMAP_BOLD_%ux%u[] = {\n", width, height) < 0)
|
|
goto done;
|
|
if (write_source_mappings(fp, VFNT_MAP_BOLD) != 0)
|
|
goto done;
|
|
if (fprintf(fp, "};\n\n") < 0)
|
|
goto done;
|
|
}
|
|
if (!TAILQ_EMPTY(&maps[VFNT_MAP_BOLD_RIGHT])) {
|
|
if (fprintf(fp, "static vfnt_map_t "
|
|
"FONTMAP_BOLD_RH_%ux%u[] = {\n", width, height) < 0)
|
|
goto done;
|
|
if (write_source_mappings(fp, VFNT_MAP_BOLD_RIGHT) != 0)
|
|
goto done;
|
|
if (fprintf(fp, "};\n\n") < 0)
|
|
goto done;
|
|
}
|
|
|
|
/* Write struct font. */
|
|
if (fprintf(fp, "struct vt_font font_%ux%u = {\n",
|
|
width, height) < 0)
|
|
goto done;
|
|
if (fprintf(fp, "\t.vf_map\t= {\n") < 0)
|
|
goto done;
|
|
if (TAILQ_EMPTY(&maps[VFNT_MAP_NORMAL])) {
|
|
if (fprintf(fp, "\t\t\tNULL,\n") < 0)
|
|
goto done;
|
|
} else {
|
|
if (fprintf(fp, "\t\t\tFONTMAP_NORMAL_%ux%u,\n",
|
|
width, height) < 0)
|
|
goto done;
|
|
}
|
|
if (TAILQ_EMPTY(&maps[VFNT_MAP_NORMAL_RIGHT])) {
|
|
if (fprintf(fp, "\t\t\tNULL,\n") < 0)
|
|
goto done;
|
|
} else {
|
|
if (fprintf(fp, "\t\t\tFONTMAP_NORMAL_RH_%ux%u,\n",
|
|
width, height) < 0)
|
|
goto done;
|
|
}
|
|
if (TAILQ_EMPTY(&maps[VFNT_MAP_BOLD])) {
|
|
if (fprintf(fp, "\t\t\tNULL,\n") < 0)
|
|
goto done;
|
|
} else {
|
|
if (fprintf(fp, "\t\t\tFONTMAP_BOLD_%ux%u,\n",
|
|
width, height) < 0)
|
|
goto done;
|
|
}
|
|
if (TAILQ_EMPTY(&maps[VFNT_MAP_BOLD_RIGHT])) {
|
|
if (fprintf(fp, "\t\t\tNULL\n") < 0)
|
|
goto done;
|
|
} else {
|
|
if (fprintf(fp, "\t\t\tFONTMAP_BOLD_RH_%ux%u\n",
|
|
width, height) < 0)
|
|
goto done;
|
|
}
|
|
if (fprintf(fp, "\t\t},\n") < 0)
|
|
goto done;
|
|
if (lz4 == true) {
|
|
if (fprintf(fp, "\t.vf_bytes\t= NULL,\n") < 0)
|
|
goto done;
|
|
} else {
|
|
if (fprintf(fp, "\t.vf_bytes\t= FONTDATA_%ux%u,\n",
|
|
width, height) < 0) {
|
|
goto done;
|
|
}
|
|
}
|
|
if (fprintf(fp, "\t.vf_width\t= %u,\n", width) < 0)
|
|
goto done;
|
|
if (fprintf(fp, "\t.vf_height\t= %u,\n", height) < 0)
|
|
goto done;
|
|
if (fprintf(fp, "\t.vf_map_count\t= { %u, %u, %u, %u }\n",
|
|
map_folded_count[0], map_folded_count[1], map_folded_count[2],
|
|
map_folded_count[3]) < 0) {
|
|
goto done;
|
|
}
|
|
if (fprintf(fp, "};\n\n") < 0)
|
|
goto done;
|
|
|
|
/* Write bitmap data. */
|
|
if (fprintf(fp, "vt_font_bitmap_data_t font_data_%ux%u = {\n",
|
|
width, height) < 0)
|
|
goto done;
|
|
if (fprintf(fp, "\t.vfbd_width\t= %u,\n", width) < 0)
|
|
goto done;
|
|
if (fprintf(fp, "\t.vfbd_height\t= %u,\n", height) < 0)
|
|
goto done;
|
|
if (lz4 == true) {
|
|
if (fprintf(fp, "\t.vfbd_compressed_size\t= %zu,\n",
|
|
compressed_size) < 0) {
|
|
goto done;
|
|
}
|
|
if (fprintf(fp, "\t.vfbd_uncompressed_size\t= %zu,\n",
|
|
uncompressed_size) < 0) {
|
|
goto done;
|
|
}
|
|
if (fprintf(fp, "\t.vfbd_compressed_data\t= FONTDATA_%ux%u,\n",
|
|
width, height) < 0) {
|
|
goto done;
|
|
}
|
|
} else {
|
|
if (fprintf(fp, "\t.vfbd_compressed_size\t= 0,\n") < 0)
|
|
goto done;
|
|
if (fprintf(fp, "\t.vfbd_uncompressed_size\t= %zu,\n",
|
|
uncompressed_size) < 0) {
|
|
goto done;
|
|
}
|
|
if (fprintf(fp, "\t.vfbd_compressed_data\t= NULL,\n") < 0)
|
|
goto done;
|
|
}
|
|
if (fprintf(fp, "\t.vfbd_font = &font_%ux%u\n", width, height) < 0)
|
|
goto done;
|
|
if (fprintf(fp, "};\n") < 0)
|
|
goto done;
|
|
|
|
rv = 0;
|
|
done:
|
|
if (rv != 0)
|
|
perror(filename);
|
|
fclose(fp);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
print_font_info(void)
|
|
{
|
|
printf(
|
|
"Statistics:\n"
|
|
"- width: %6u\n"
|
|
"- height: %6u\n"
|
|
"- glyph_total: %6u\n"
|
|
"- glyph_normal: %6u\n"
|
|
"- glyph_normal_right: %6u\n"
|
|
"- glyph_bold: %6u\n"
|
|
"- glyph_bold_right: %6u\n"
|
|
"- glyph_unique: %6u\n"
|
|
"- glyph_dupe: %6u\n"
|
|
"- mapping_total: %6u\n"
|
|
"- mapping_normal: %6u\n"
|
|
"- mapping_normal_folded: %6u\n"
|
|
"- mapping_normal_right: %6u\n"
|
|
"- mapping_normal_right_folded: %6u\n"
|
|
"- mapping_bold: %6u\n"
|
|
"- mapping_bold_folded: %6u\n"
|
|
"- mapping_bold_right: %6u\n"
|
|
"- mapping_bold_right_folded: %6u\n"
|
|
"- mapping_unique: %6u\n"
|
|
"- mapping_dupe: %6u\n",
|
|
width, height,
|
|
glyph_total,
|
|
glyph_count[0],
|
|
glyph_count[1],
|
|
glyph_count[2],
|
|
glyph_count[3],
|
|
glyph_unique, glyph_dupe,
|
|
mapping_total,
|
|
map_count[0], map_folded_count[0],
|
|
map_count[1], map_folded_count[1],
|
|
map_count[2], map_folded_count[2],
|
|
map_count[3], map_folded_count[3],
|
|
mapping_unique, mapping_dupe);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int ch, verbose = 0, rv = 0;
|
|
char *outfile = NULL;
|
|
|
|
assert(sizeof(struct font_header) == 32);
|
|
assert(sizeof(vfnt_map_t) == 8);
|
|
|
|
while ((ch = getopt(argc, argv, "nf:h:vw:o:")) != -1) {
|
|
switch (ch) {
|
|
case 'f':
|
|
if (strcmp(optarg, "font") == 0)
|
|
format = VT_FONT;
|
|
else if (strcmp(optarg, "source") == 0)
|
|
format = VT_C_SOURCE;
|
|
else if (strcmp(optarg, "compressed-source") == 0)
|
|
format = VT_C_COMPRESSED;
|
|
else
|
|
errx(1, "Invalid format: %s", optarg);
|
|
break;
|
|
case 'h':
|
|
height = atoi(optarg);
|
|
break;
|
|
case 'n':
|
|
filter = false;
|
|
break;
|
|
case 'o':
|
|
outfile = optarg;
|
|
break;
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case 'w':
|
|
width = atoi(optarg);
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (outfile == NULL && (argc < 2 || argc > 3))
|
|
usage();
|
|
|
|
if (outfile == NULL) {
|
|
outfile = argv[argc - 1];
|
|
argc--;
|
|
}
|
|
|
|
set_width(width);
|
|
set_height(height);
|
|
|
|
if (parse_file(argv[0], VFNT_MAP_NORMAL) != 0)
|
|
return (1);
|
|
argc--;
|
|
argv++;
|
|
if (argc == 1) {
|
|
if (parse_file(argv[0], VFNT_MAP_BOLD) != 0)
|
|
return (1);
|
|
argc--;
|
|
argv++;
|
|
}
|
|
number_glyphs();
|
|
dedup_mapping(VFNT_MAP_BOLD);
|
|
dedup_mapping(VFNT_MAP_BOLD_RIGHT);
|
|
fold_mappings(0);
|
|
fold_mappings(1);
|
|
fold_mappings(2);
|
|
fold_mappings(3);
|
|
|
|
switch (format) {
|
|
case VT_FONT:
|
|
rv = write_fnt(outfile);
|
|
break;
|
|
case VT_C_SOURCE:
|
|
rv = write_fnt_source(false, outfile);
|
|
break;
|
|
case VT_C_COMPRESSED:
|
|
rv = write_fnt_source(true, outfile);
|
|
break;
|
|
}
|
|
|
|
if (verbose)
|
|
print_font_info();
|
|
|
|
return (rv);
|
|
}
|