matelight/host/font.h

35 lines
844 B
C

#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 *g, color_t *buf, unsigned int bufwidth, int offx, unsigned int offy, color_t fg, color_t bg);
#endif//__FONT_H__