aboutsummaryrefslogtreecommitdiff
path: root/host/font.h
blob: e9fbb35084a8a9c86bb777866944b08cf3400ae4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
#ifndef __FONT_H__
#define __FONT_H__

#include <stdint.h>
#include <stdio.h>
#include "color.h"

// CAUTION: A glyph struct is always followed by the glyph's bitmap.
typedef struct {
	uint8_t width;
	uint8_t height;
	int8_t x;
	int8_t y;
} glyph_t;

typedef struct {
	glyph_t **data;
	size_t size;
} glyphtable_t;

// Size of Unicode's basic multilingual plane
#define BLP_SIZE	65536

#define MAX_CSI_ELEMENTS 8

// We could also use some fancy hashtable here, but unifont includes about 57k glyphs so we would hardly save any memory.
glyphtable_t *read_bdf(FILE *f);

void free_glyphtable(glyphtable_t *glyph_table);

// Requires buf to point to a buffer at least of size glyph->width*glyph->height.
void render_glyph(glyph_t *glyph, color_t *buf, unsigned int bufwidth, unsigned int offx, unsigned int offy, color_t fg, color_t bg);

#endif//__FONT_H__