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Add example for printing <img> tag

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Justine Tunney 2021-07-04 15:41:43 -07:00
parent a7bd4ed9ea
commit cfbd2afc19
1 changed files with 29 additions and 0 deletions
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examples/img.c Normal file
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#if 0
/*─────────────────────────────────────────────────────────────────╗
│ To the extent possible under law, Justine Tunney has waived │
│ all copyright and related or neighboring rights to this file, │
│ as it is written in the following disclaimers: │
│ • http://unlicense.org/ │
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/stdio/stdio.h"
#include "libc/x/x.h"
#include "third_party/stb/stb_image.h"
/**
* @fileoverview Utility for printing HTML <img> tags.
*/
int main(int argc, char *argv[]) {
void *p;
size_t n;
int yn, xn, cn;
if (argc != 2) return 1;
if (!(p = xslurp(argv[1], &n))) return 2;
if (!(p = stbi_load_from_memory(p, n, &xn, &yn, &cn, 0))) return 3;
printf("<img src=\"%s\" width=\"%d\" height=\"%d\"\n"
" alt=\"[%s]\">\n",
argv[1], (xn + 1) >> 1, (yn + 1) >> 1, argv[1]);
return 0;
}