Mercurial > repos > blastem
view nuklear_ui/font.c @ 1886:183b86ba0212
Optimized sprite rendering
author | Michael Pavone <pavone@retrodev.com> |
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date | Sat, 21 Sep 2019 11:17:40 -0700 |
parents | 24508cb54f87 |
children | 253c62b7144e |
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#include <stdio.h> #include <stdlib.h> #include <stdint.h> #include "../util.h" #include "sfnt.h" char *default_font_path(void) { FILE *fc_pipe = popen("fc-match -f '%{file}'", "r"); if (!fc_pipe) { return NULL; } size_t buf_size = 128; char *buffer = NULL; size_t total = 0, read = 0; do { total += read; buf_size *= 2; buffer = realloc(buffer, buf_size); if (!buffer) { return NULL; } read = fread(buffer, 1, buf_size - total, fc_pipe); } while (read == (buf_size - total)); total += read; buffer[total] = 0; return buffer; } uint8_t *default_font(uint32_t *size_out) { char *path = default_font_path(); if (!path) { goto error; } FILE *f = fopen(path, "rb"); free(path); if (!f) { goto error; } long size = file_size(f); uint8_t *buffer = malloc(size); if (size != fread(buffer, 1, size, f)) { fclose(f); goto error; } fclose(f); sfnt_container *sfnt = load_sfnt(buffer, size); if (!sfnt) { free(buffer); goto error; } return sfnt_flatten(sfnt->tables, size_out); error: //TODO: try to find a suitable font in /usr/share/fonts as a fallback return NULL; }