mirror of
https://github.com/jart/cosmopolitan.git
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8bfd56b59e
Now that these functions are behind _COSMO_SOURCE there's no reason for having the ugly underscore anymore. To use these functions, you need to pass -mcosmo to cosmocc.
133 lines
4.8 KiB
C
133 lines
4.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "dsp/scale/cdecimate2xuint8x8.h"
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#include "libc/calls/struct/winsize.h"
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#include "libc/calls/termios.h"
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#include "libc/fmt/conv.h"
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#include "libc/fmt/libgen.h"
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#include "libc/intrin/bsr.h"
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#include "libc/log/libfatal.internal.h"
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#include "libc/log/log.h"
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#include "libc/macros.internal.h"
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#include "libc/mem/gc.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/termios.h"
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#include "libc/x/x.h"
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#include "third_party/getopt/getopt.internal.h"
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#include "third_party/stb/stb_truetype.h"
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#define MAXCODE
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int start;
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int end = 0x03134A /* 0x10FFFD */;
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int verbose;
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struct winsize ws = {24, 80};
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signed char kThePerfectKernel[8] = {-1, -1, 3, 15, 15, 3, -1, -1};
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void PrintBar(unsigned char *p, size_t n) {
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size_t i, j;
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for (j = n; j > ws.ws_col - 32; j = (j + 1) >> 1) {
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cDecimate2xUint8x8(j, p, kThePerfectKernel);
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}
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for (i = 0; i < j; ++i) {
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if (p[i]) {
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fputwc(u"░░▒▒▓▓██"[bsr(p[i])], stdout);
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} else {
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fputc(' ', stdout);
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}
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}
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}
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int main(int argc, char *argv[]) {
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size_t n, m;
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float scale;
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void *bitmap;
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size_t ttfsize;
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unsigned char *ttf;
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stbtt_fontinfo font;
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unsigned char *present;
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unsigned char *intotal;
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int w, h, i, c, arg, opt, errs, line, s = 40 * 4, rc = 0;
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ShowCrashReports();
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tcgetwinsize(0, &ws);
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while ((opt = getopt(argc, argv, "vs:e:")) != -1) {
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switch (opt) {
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case 'v':
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++verbose;
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break;
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case 's':
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start = strtol(optarg, 0, 16);
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break;
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case 'e':
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end = strtol(optarg, 0, 16);
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break;
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default:
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return 1;
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}
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}
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n = end + 1 - start;
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m = ROUNDUP(n, 16);
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present = gc(malloc(m));
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intotal = gc(calloc(1, m));
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if (optind < argc) {
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for (arg = optind; arg < argc; ++arg) {
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ttf = xslurp(argv[arg], &ttfsize);
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if (!(line = setjmp(stbtt_jmpbuf))) {
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stbtt_InitFont(&font, ttf, stbtt_GetFontOffsetForIndex(ttf, 0));
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} else {
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rc = 1;
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fprintf(stderr, "%s: error loading font (assert @ stb_truetype.c:%d\n",
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argv[arg], line);
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free(ttf);
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continue;
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}
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bzero(present, m);
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for (errs = 0, c = start; c <= end; ++c) {
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if (!(line = setjmp(stbtt_jmpbuf))) {
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if ((i = stbtt_FindGlyphIndex(&font, c)) > 0) {
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w = h = 0;
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scale = stbtt_ScaleForPixelHeight(&font, s);
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bitmap = stbtt_GetGlyphBitmap(&font, 0, scale, i, &w, &h, 0, 0);
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if (w && h) {
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intotal[c - start] = present[c - start] = 255;
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}
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free(bitmap);
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}
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} else {
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++errs;
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}
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}
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PrintBar(present, m);
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if (errs) {
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printf(" %s (%d errors)\n", basename(argv[arg]), errs);
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} else {
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printf(" %s (%,d kb)\n", basename(argv[arg]), ttfsize / 1024);
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}
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free(ttf);
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}
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PrintBar(intotal, m);
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fputc('\n', stdout);
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}
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return rc;
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}
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