font.c

/*
 * Copyright (C) 2011 Nick Johnson <nickbjohnson4224 at gmail.com>
 * 
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "fbterm.h"

#include <string.h>
#include <stdlib.h>
#include <stdio.h>

const char *builtin_font[] = {
	"____________________________________________________________",
	"________*_____*_____*_____*_____*___________*_______________",
	"_______*_*___*_*___*_*______________________________________",
	"_______*_*___*_*__*****__*_*__*****__*_*___*_*______________",
	"________*____***__*_*____***____*_*__***____*_______________",
	"_______*__*_*_*_*__*_*____*____*_*__*_*_*_*__*______________",
	"_______*____*_*___*_*____*____*_*_*_*__*___**_*_____________",
	"________*_____*_____*_______________________________________",
	"_________*____*____*_____*_____*______*______*______________",
	"_______*______*______*_____*_____*____*____*________________",
	"____________*___*__*_*__*****__*_*__*___*___________________",
	"______________*_____*___*****___*_____*_____________________",
	"______________________________________**____*____*__________",
	"________________________*****_______________________________",
	"______________________________________*____***____*_________",
	"__________*_____*____*____*____*____*_____*_________________",
	"________*____*_*__*___*_*___*_*___*__*_*____*_______________",
	"________*____**___*_*_____*_____*_____*___*****_____________",
	"_______***__*___*_____*___**___*____*_____*****_____________",
	"______*****_____*____*____**______*_*___*__***______________",
	"_________*____**___*_*__*__*__*****____*_____*______________",
	"______*****_*_____*_**__**__*_____*_*___*__***______________",
	"________**___*____*_____*_**__**__*_*___*__***______________",
	"______*****_____*____*_____*____*____*_____*________________",
	"_______***__*___*_*___*__***__*___*_*___*__***______________",
	"_______***__*___*_*__**__**_*_____*____*___**_______________",
	"______________*____***____*___________*____***____*_________",
	"______________*____***____*___________**____*____*__________",
	"__________*____*____*____*______*______*______*_____________",
	"__________________*****_______*****_________________________",
	"_______*______*______*______*____*____*____*________________",
	"_______***__*___*____*____*_____*___________*_______________",
	"_______***__*___*_*__**_*_*_*_*_**__*______***______________",
	"________*____*_*__*___*_*___*_*****_*___*_*___*_____________",
	"______****___*__*__*__*__***___*__*__*__*_****______________",
	"_______***__*___*_*_____*_____*_____*___*__***______________",
	"______****___*__*__*__*__*__*__*__*__*__*_****______________",
	"______*****_*_____*_____****__*_____*_____*****_____________",
	"______*****_*_____*_____****__*_____*_____*_________________",
	"_______***__*___*_*_____*_____*__**_*___*__***______________",
	"______*___*_*___*_*___*_*****_*___*_*___*_*___*_____________",
	"_______***____*_____*_____*_____*_____*____***______________",
	"________***____*_____*_____*_____*__*__*___**_______________",
	"______*___*_*__*__*_*___**____*_*___*__*__*___*_____________",
	"______*_____*_____*_____*_____*_____*_____*****_____________",
	"______*___*_**_**_*_*_*_*___*_*___*_*___*_*___*_____________",
	"______*___*_*___*_**__*_*_*_*_*__**_*___*_*___*_____________",
	"_______***__*___*_*___*_*___*_*___*_*___*__***______________",
	"______****__*___*_*___*_****__*_____*_____*_________________",
	"_______***__*___*_*___*_*___*_*___*_*_*_*__***______*_______",
	"______****__*___*_*___*_****__*_*___*__*__*___*_____________",
	"_______***__*___*_*______***______*_*___*__***______________",
	"______*****___*_____*_____*_____*_____*_____*_______________",
	"______*___*_*___*_*___*_*___*_*___*_*___*__***______________",
	"______*___*_*___*_*___*__*_*___*_*___*_*____*_______________",
	"______*___*_*___*_*___*_*___*_*_*_*_**_**_*___*_____________",
	"______*___*_*___*__*_*____*____*_*__*___*_*___*_____________",
	"______*___*_*___*__*_*____*_____*_____*_____*_______________",
	"______*****_____*____*____*____*____*_____*****_____________",
	"_______***___*_____*_____*_____*_____*_____***______________",
	"______*_____*______*______*______*______*_____*_____________",
	"_______***_____*_____*_____*_____*_____*___***______________",
	"________*____*_*__*___*_____________________________________",
	"________________________________________________*****_______",
	"__*______*__________________________________________________",
	"___________________***______*__****_*___*__****_____________",
	"______*_____*_____*_**__**__*_*___*_**__*_*_**______________",
	"___________________***__*___*_*_____*___*__***______________",
	"__________*_____*__**_*_*__**_*___*_*__**__**_*_____________",
	"___________________***__*___*_*****_*______***______________",
	"________**___*__*__*____****___*_____*_____*________________",
	"___________________****_*___*_*___*__****_____*_*___*__***__",
	"______*_____*_____*_**__**__*_*___*_*___*_*___*_____________",
	"________*__________**_____*_____*_____*____***______________",
	"__________*__________**_____*_____*_____*_____*__*__*___**__",
	"______*_____*_____*___*_*__*__***___*__*__*___*_____________",
	"_______**_____*_____*_____*_____*_____*____***______________",
	"__________________**_*__*_*_*_*_*_*_*_*_*_*_*_*_____________",
	"__________________*_**__**__*_*___*_*___*_*___*_____________",
	"___________________***__*___*_*___*_*___*__***______________",
	"__________________*_**__**__*_*___*_**__*_*_**__*_____*_____",
	"___________________**_*_*__**_*___*_*__**__**_*_____*_____*_",
	"__________________*_**__**__*_*_____*_____*_________________",
	"___________________***__*______***______*_****______________",
	"_______*_____*____****___*_____*_____*__*___**______________",
	"__________________*___*_*___*_*___*_*__**__**_*_____________",
	"__________________*___*_*___*__*_*___*_*____*_______________",
	"__________________*___*_*___*_*_*_*_*_*_*__*_*______________",
	"__________________*___*__*_*____*____*_*__*___*_____________",
	"__________________*___*_*___*_*__**__**_*_____*_*___*__***__",
	"__________________*****____*____*____*____*****_____________",
	"_________**___*______*___**______*____*______**_____________",
	"________*_____*_____*_____*_____*_____*_____*_______________",
	"_______**______*____*______**___*______*___**_______________",
	"_______*__*_*_*_*_*__*______________________________________",
	"____________________________________________________________",
};

static struct glyph *make_glyph(const char *str, int w, int h) {
	struct glyph *glyph;
	int i;

	glyph = malloc(sizeof(glyph) * sizeof(uint8_t) * w * h);
	glyph->w = w;
	glyph->h = h;

	for (i = 0; i < w * h; i++) {
		if (str[i] == '*') {
			glyph->value[i] = 0xFF;
		}
		else {
			glyph->value[i] = 0x00;
		}
	}

	return glyph;
}

struct font *font_load(const char *path) {
	struct font *font;
	int i;

	font = malloc(sizeof(struct font) + sizeof(struct glyph*) * 128);
	font->count = 128;

	font->w = 6;
	font->h = 10;

	for (i = 0; i < 32; i++) {
		font->glyph[i] = NULL;
	}

	for (i = 32; i < 128; i++) {
		font->glyph[i] = make_glyph(builtin_font[i - 32], 6, 10);
	}
	
	// set default glyph
	font->def_glyph = font->glyph[(size_t) ' '];

	return font;
}