mirror of
https://github.com/jart/cosmopolitan.git
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Add UEFI support
This is mutually exclusive with Windows support. Documentation for how to use it has been written in libc/runtime/efimain.c
This commit is contained in:
Justine Tunney
Justine Tunney
parent
c6c9b5dfde
commit
537c21338b
24 changed files with 1381 additions and 391 deletions
385
tool/viz/printansi.c
Normal file
385
tool/viz/printansi.c
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@ -0,0 +1,385 @@
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 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/core/half.h"
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#include "dsp/core/twixt8.h"
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#include "dsp/scale/scale.h"
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#include "dsp/tty/quant.h"
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#include "dsp/tty/tty.h"
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#include "libc/assert.h"
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#include "libc/bits/bits.h"
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#include "libc/bits/safemacros.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/ioctl.h"
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#include "libc/calls/struct/stat.h"
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#include "libc/calls/struct/winsize.h"
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#include "libc/dce.h"
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#include "libc/fmt/conv.h"
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#include "libc/limits.h"
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#include "libc/log/check.h"
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#include "libc/log/log.h"
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#include "libc/macros.h"
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#include "libc/math.h"
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#include "libc/mem/mem.h"
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#include "libc/rand/rand.h"
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#include "libc/runtime/gc.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/ex.h"
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#include "libc/sysv/consts/exit.h"
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#include "libc/sysv/consts/fileno.h"
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#include "libc/sysv/consts/madv.h"
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#include "libc/sysv/consts/map.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/prot.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.h"
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#include "third_party/stb/stb_image.h"
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#include "tool/viz/lib/graphic.h"
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#define SQR(x) ((x) * (x))
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static struct Flags {
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const char *out;
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bool invert;
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bool subpixel;
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bool unsharp;
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bool dither;
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bool ruler;
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bool trailingnewline;
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long half;
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bool full;
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long width;
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long height;
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enum TtyBlocksSelection blocks;
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enum TtyQuantizationAlgorithm quant;
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} g_flags;
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static wontreturn void PrintUsage(int rc, FILE *f) {
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fprintf(f, "Usage: %s%s", program_invocation_name, "\
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[FLAGS] [PATH]\n\
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\n\
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FLAGS\n\
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\n\
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-w INT width\n\
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-h INT height\n\
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-i invert\n\
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-? shows this information\n\
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\n\
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EXAMPLES\n\
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\n\
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printansi.com -w80 -h40 logo.png\n\
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\n\
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\n");
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exit(rc);
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}
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static int ParseNumberOption(const char *arg) {
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long x;
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x = strtol(arg, NULL, 0);
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if (!(1 <= x && x <= INT_MAX)) {
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fprintf(stderr, "invalid flexidecimal: %s\n\n", arg);
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exit(EXIT_FAILURE);
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}
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return x;
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}
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static void GetOpts(int *argc, char *argv[]) {
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int opt;
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struct winsize ws;
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g_flags.quant = kTtyQuantTrue;
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g_flags.blocks = IsWindows() ? kTtyBlocksCp437 : kTtyBlocksUnicode;
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if (*argc == 2 &&
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(strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-help") == 0)) {
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PrintUsage(EXIT_SUCCESS, stdout);
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}
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while ((opt = getopt(*argc, argv, "?ivpfrtxads234o:w:h:")) != -1) {
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switch (opt) {
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case 'o':
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g_flags.out = optarg;
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break;
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case 'd':
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g_flags.dither = true;
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break;
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case 's':
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g_flags.unsharp = true;
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break;
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case 'w':
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g_flags.trailingnewline = true;
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g_flags.width = ParseNumberOption(optarg);
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break;
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case 'h':
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g_flags.trailingnewline = true;
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g_flags.height = ParseNumberOption(optarg);
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break;
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case 'f':
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g_flags.full = true;
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break;
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case 'i':
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g_flags.invert = true;
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break;
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case '2':
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g_flags.half = true;
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break;
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case 'r':
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g_flags.ruler = true;
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break;
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case 'p':
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g_flags.subpixel = true;
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break;
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case 'a':
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g_flags.quant = kTtyQuantAnsi;
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break;
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case 'x':
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g_flags.quant = kTtyQuantXterm256;
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break;
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case 't':
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g_flags.quant = kTtyQuantTrue;
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break;
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case '3':
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g_flags.blocks = kTtyBlocksCp437;
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break;
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case '4':
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g_flags.blocks = kTtyBlocksUnicode;
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break;
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case 'v':
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++g_loglevel;
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break;
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case '?':
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PrintUsage(EXIT_SUCCESS, stdout);
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default:
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PrintUsage(EX_USAGE, stderr);
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}
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}
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if (optind == *argc) {
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if (!g_flags.out) g_flags.out = "-";
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argv[(*argc)++] = "-";
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}
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if (!g_flags.full && (!g_flags.width || !g_flags.width)) {
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ws.ws_col = 80;
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ws.ws_row = 24;
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if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) != -1 ||
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1) {
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g_flags.width = ws.ws_col * (1 + !g_flags.half);
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g_flags.height = ws.ws_row * 2;
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}
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}
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ttyquantsetup(g_flags.quant, kTtyQuantRgb, g_flags.blocks);
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}
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static unsigned char ChessBoard(unsigned y, unsigned x, unsigned char a,
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unsigned char b) {
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return !((y ^ x) & (1u << 2)) ? a : b;
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}
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static unsigned char AlphaBackground(unsigned y, unsigned x) {
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return ChessBoard(y, x, 255, 200);
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}
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static void *Deblinterlace(long dyn, long dxn, unsigned char dst[3][dyn][dxn],
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long syn, long sxn, long scn,
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const unsigned char src[syn][sxn][scn], long y0,
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long yn, long x0, long xn) {
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long y, x;
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unsigned char c;
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for (y = y0; y < yn; ++y) {
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for (x = x0; x < xn; ++x) {
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switch (scn) {
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case 1:
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c = src[y][x][0];
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dst[0][y][x] = c;
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dst[1][y][x] = c;
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dst[2][y][x] = c;
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break;
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case 2:
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c = twixt8(AlphaBackground(y, x), src[y][x][0], src[y][x][1]);
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dst[0][y][x] = c;
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dst[1][y][x] = c;
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dst[2][y][x] = c;
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break;
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case 3:
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dst[0][y][x] = src[y][x][0];
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dst[1][y][x] = src[y][x][1];
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dst[2][y][x] = src[y][x][2];
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break;
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case 4:
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c = AlphaBackground(y, x);
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dst[0][y][x] = twixt8(c, src[y][x][0], src[y][x][3]);
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dst[1][y][x] = twixt8(c, src[y][x][1], src[y][x][3]);
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dst[2][y][x] = twixt8(c, src[y][x][2], src[y][x][3]);
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break;
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}
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}
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}
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return dst;
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}
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static void *DeblinterlaceSubpixelBgr(long dyn, long dxn,
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unsigned char dst[3][dyn][dxn][3],
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long syn, long sxn,
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const unsigned char src[syn][sxn][4],
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long y0, long yn, long x0, long xn) {
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long y, x;
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for (y = y0; y < yn; ++y) {
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for (x = x0; x < xn; ++x) {
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dst[0][y][x][0] = 0;
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dst[1][y][x][0] = 0;
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dst[2][y][x][0] = src[y][x][2];
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dst[0][y][x][1] = 0;
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dst[1][y][x][1] = src[y][x][1];
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dst[2][y][x][1] = 0;
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dst[0][y][x][2] = src[y][x][0];
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dst[1][y][x][2] = 0;
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dst[2][y][x][2] = 0;
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}
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}
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return dst;
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}
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struct Block {
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char16_t c;
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unsigned char b[4][2];
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} kBlocks[] = {
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{u' ', {{0000, 0000}, {0000, 0000}, {0000, 0000}, {0000, 0000}}}, //
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{u'░', {{0060, 0060}, {0060, 0060}, {0060, 0060}, {0060, 0060}}}, //
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{u'▒', {{0140, 0140}, {0140, 0140}, {0140, 0140}, {0140, 0140}}}, //
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{u'▓', {{0300, 0300}, {0300, 0300}, {0300, 0300}, {0300, 0300}}}, //
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{u'█', {{0377, 0377}, {0377, 0377}, {0377, 0377}, {0377, 0377}}}, //
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{u'▄', {{0000, 0000}, {0000, 0000}, {0377, 0377}, {0377, 0377}}}, //
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{u'▌', {{0377, 0000}, {0377, 0000}, {0377, 0000}, {0377, 0000}}}, //
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{u'▐', {{0000, 0377}, {0000, 0377}, {0000, 0377}, {0000, 0377}}}, //
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{u'▀', {{0377, 0377}, {0377, 0377}, {0000, 0000}, {0000, 0000}}}, //
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};
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static void *Raster(long yn, long xn, unsigned char Y[yn][xn]) {
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long y, x, i, j, k, s, bi, bs;
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for (y = 0; y + 4 <= yn; y += 4) {
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if (y) fputc('\n', stdout);
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for (x = 0; x + 2 <= xn; x += 2) {
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bi = 0;
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bs = LONG_MAX;
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for (k = 0; k < ARRAYLEN(kBlocks); ++k) {
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s = 0;
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for (i = 0; i < 4; ++i) {
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for (j = 0; j < 2; ++j) {
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s += SQR(Y[y + i][x + j] - kBlocks[k].b[i][j]);
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}
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}
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if (s < bs) {
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bi = k;
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bs = s;
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}
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}
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fputwc(kBlocks[bi].c, stdout);
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}
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}
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fputc('\n', stdout);
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return Y;
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}
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static void *Invert(long yn, long xn, unsigned char Y[yn][xn]) {
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long y, x;
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if (!g_flags.invert) {
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for (y = 0; y < yn; ++y) {
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for (x = 0; x < xn; ++x) {
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Y[y][x] = 255 - Y[y][x];
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}
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}
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}
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return Y;
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}
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static void *Grayify(long yn, long xn, unsigned char Y[yn][xn],
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const unsigned char RGB[3][yn][xn]) {
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long y, x;
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for (y = 0; y < yn; ++y) {
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for (x = 0; x < xn; ++x) {
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Y[y][x] = RGB[0][y][x] * .299 + RGB[1][y][x] * .587 + RGB[2][y][x] * .114;
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}
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}
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return Y;
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}
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static void ProcessImage(long yn, long xn, unsigned char RGB[3][yn][xn]) {
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Raster(yn, xn,
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Invert(yn, xn, Grayify(yn, xn, gc(memalign(32, yn * xn)), RGB)));
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}
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void WithImageFile(const char *path,
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void fn(long yn, long xn, unsigned char RGB[3][yn][xn])) {
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struct stat st;
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void *map, *data, *data2;
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int fd, yn, xn, cn, dyn, dxn, syn, sxn;
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CHECK_NE(-1, (fd = open(path, O_RDONLY)), "%s", path);
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CHECK_NE(-1, fstat(fd, &st));
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CHECK_GT(st.st_size, 0);
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CHECK_LE(st.st_size, INT_MAX);
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fadvise(fd, 0, 0, MADV_WILLNEED | MADV_SEQUENTIAL);
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CHECK_NE(MAP_FAILED,
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(map = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0)));
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CHECK_NOTNULL(
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(data = gc(stbi_load_from_memory(map, st.st_size, &xn, &yn, &cn, 0))),
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"%s", path);
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CHECK_NE(-1, munmap(map, st.st_size));
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CHECK_NE(-1, close(fd));
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if (g_flags.subpixel) {
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data = DeblinterlaceSubpixelBgr(yn, xn, gc(memalign(32, yn * xn * 4 * 3)),
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yn, xn, data, 0, yn, 0, xn);
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xn *= 3;
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} else {
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data = Deblinterlace(yn, xn, gc(memalign(32, yn * xn * 4)), yn, xn, cn,
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data, 0, yn, 0, xn);
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cn = 3;
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}
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if (g_flags.height && g_flags.width) {
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syn = yn;
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sxn = xn;
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dyn = g_flags.height * 4;
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dxn = g_flags.width * 2;
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while (HALF(syn) > dyn || HALF(sxn) > dxn) {
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if (HALF(sxn) > dxn) {
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Magikarp2xX(yn, xn, data, syn, sxn);
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Magikarp2xX(yn, xn, (char *)data + yn * xn, syn, sxn);
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Magikarp2xX(yn, xn, (char *)data + yn * xn * 2, syn, sxn);
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sxn = HALF(sxn);
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}
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if (HALF(syn) > dyn) {
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Magikarp2xY(yn, xn, data, syn, sxn);
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Magikarp2xY(yn, xn, (char *)data + yn * xn, syn, sxn);
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Magikarp2xY(yn, xn, (char *)data + yn * xn * 2, syn, sxn);
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syn = HALF(syn);
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}
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}
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data = EzGyarados(3, dyn, dxn, gc(memalign(32, dyn * dxn * 3)), cn, yn, xn,
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data, 0, cn, dyn, dxn, syn, sxn, 0, 0, 0, 0);
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yn = dyn;
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xn = dxn;
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}
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fn(yn, xn, data);
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}
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int main(int argc, char *argv[]) {
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int i;
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GetOpts(&argc, argv);
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stbi_set_unpremultiply_on_load(true);
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for (i = optind; i < argc; ++i) {
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WithImageFile(argv[i], ProcessImage);
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}
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return 0;
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}
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