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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#pragma once
#include "atlas.h"
#include "cglm/types.h"
#include "freetype/freetype.h"
#include "hash.h"
#include "sokol_gfx.h"
#include "utils.h"
struct text_vertex_s {
vec2 pos;
vec2 uv;
};
typedef u32 codepoint_t;
enum font_context_error_e : u8 {
FONT_CONTEXT_ERROR_NONE = 0,
FONT_CONTEXT_ERROR_LOAD_LIBRARY,
FONT_CONTEXT_ERROR_CREATE_SAMPLER,
FONT_CONTEXT_ERROR_CREATE_SHADER,
FONT_CONTEXT_ERROR_CREATE_PIPELINE,
};
struct font_context_s {
FT_Library ft;
struct sg_pipeline pipeline;
struct sg_sampler sampler;
};
enum font_context_error_e wayc_font_context_init(
struct font_context_s* context);
void wayc_font_context_deinit(struct font_context_s* context);
struct glyph_s {
vec2 uv0, uv1;
vec2 bearing;
f32 advance;
};
enum font_error_e : u8 {
FONT_ERROR_NONE = 0,
FONT_ERROR_LOAD_FACE,
FONT_ERROR_ATLAS_FAILED,
FONT_ERROR_LOAD_GLYPH,
};
struct font_s {
FT_Face face;
u32 font_size;
struct atlas_s atlas;
struct hashmap_s<codepoint_t, struct glyph_s> cached;
};
enum font_error_e wayc_font_init(struct font_s* font,
struct font_context_s* context,
const char* path, u32 font_size,
u32 atlas_width, u32 atlas_height);
enum font_error_e wayc_font_render(struct font_s* font, codepoint_t codepoint,
struct glyph_s* glyph);
static inline enum font_error_e wayc_font_flush(struct font_s* font) {
enum atlas_error_e atlas_err = wayc_atlas_flush(&font->atlas);
return (enum font_error_e)wayc_max(atlas_err, FONT_ERROR_NONE);
}
void wayc_font_deinit(struct font_s* font);
|
