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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2009 Blender Foundation. All rights reserved. */
/** \file
* \ingroup blf
*/
#pragma once
struct FontBLF;
struct GlyphBLF;
struct GlyphCacheBLF;
struct ResultBLF;
struct rctf;
struct rcti;
void blf_batch_draw_begin(struct FontBLF *font);
void blf_batch_draw(void);
unsigned int blf_next_p2(unsigned int x);
unsigned int blf_hash(unsigned int val);
char *blf_dir_search(const char *file);
/**
* Some font have additional file with metrics information,
* in general, the extension of the file is: `.afm` or `.pfm`
*/
char *blf_dir_metrics_search(const char *filepath);
/* int blf_dir_split(const char *str, char *file, int *size); */ /* UNUSED */
int blf_font_init(void);
void blf_font_exit(void);
bool blf_font_id_is_valid(int fontid);
void blf_draw_buffer__start(struct FontBLF *font);
void blf_draw_buffer__end(void);
struct FontBLF *blf_font_new(const char *name, const char *filepath);
struct FontBLF *blf_font_new_from_mem(const char *name, const unsigned char *mem, int mem_size);
void blf_font_attach_from_mem(struct FontBLF *font, const unsigned char *mem, int mem_size);
/**
* Change font's output size. Returns true if successful in changing the size.
*/
bool blf_font_size(struct FontBLF *font, float size, unsigned int dpi);
void blf_font_draw(struct FontBLF *font,
const char *str,
size_t str_len,
struct ResultBLF *r_info);
void blf_font_draw__wrap(struct FontBLF *font,
const char *str,
size_t str_len,
struct ResultBLF *r_info);
/**
* Use fixed column width, but an utf8 character may occupy multiple columns.
*/
int blf_font_draw_mono(struct FontBLF *font, const char *str, size_t str_len, int cwidth);
void blf_font_draw_buffer(struct FontBLF *font,
const char *str,
size_t str_len,
struct ResultBLF *r_info);
void blf_font_draw_buffer__wrap(struct FontBLF *font,
const char *str,
size_t str_len,
struct ResultBLF *r_info);
size_t blf_font_width_to_strlen(
struct FontBLF *font, const char *str, size_t str_len, int width, int *r_width);
size_t blf_font_width_to_rstrlen(
struct FontBLF *font, const char *str, size_t str_len, int width, int *r_width);
void blf_font_boundbox(struct FontBLF *font,
const char *str,
size_t str_len,
struct rcti *r_box,
struct ResultBLF *r_info);
void blf_font_boundbox__wrap(struct FontBLF *font,
const char *str,
size_t str_len,
struct rcti *r_box,
struct ResultBLF *r_info);
void blf_font_width_and_height(struct FontBLF *font,
const char *str,
size_t str_len,
float *r_width,
float *r_height,
struct ResultBLF *r_info);
float blf_font_width(struct FontBLF *font,
const char *str,
size_t str_len,
struct ResultBLF *r_info);
float blf_font_height(struct FontBLF *font,
const char *str,
size_t str_len,
struct ResultBLF *r_info);
float blf_font_fixed_width(struct FontBLF *font);
int blf_font_height_max(struct FontBLF *font);
int blf_font_width_max(struct FontBLF *font);
int blf_font_descender(struct FontBLF *font);
int blf_font_ascender(struct FontBLF *font);
char *blf_display_name(struct FontBLF *font);
void blf_font_boundbox_foreach_glyph(struct FontBLF *font,
const char *str,
size_t str_len,
bool (*user_fn)(const char *str,
size_t str_step_ofs,
const struct rcti *glyph_step_bounds,
int glyph_advance_x,
const struct rcti *glyph_bounds,
const int glyph_bearing[2],
void *user_data),
void *user_data,
struct ResultBLF *r_info);
int blf_font_count_missing_chars(struct FontBLF *font,
const char *str,
size_t str_len,
int *r_tot_chars);
void blf_font_free(struct FontBLF *font);
struct GlyphCacheBLF *blf_glyph_cache_acquire(struct FontBLF *font);
void blf_glyph_cache_release(struct FontBLF *font);
void blf_glyph_cache_clear(struct FontBLF *font);
/**
* Create (or load from cache) a fully-rendered bitmap glyph.
*/
struct GlyphBLF *blf_glyph_ensure(struct FontBLF *font, struct GlyphCacheBLF *gc, uint charcode);
void blf_glyph_free(struct GlyphBLF *g);
void blf_glyph_draw(
struct FontBLF *font, struct GlyphCacheBLF *gc, struct GlyphBLF *g, int x, int y);
#ifdef WIN32
/* blf_font_win32_compat.c */
# ifdef FT_FREETYPE_H
extern FT_Error FT_New_Face__win32_compat(FT_Library library,
const char *pathname,
FT_Long face_index,
FT_Face *aface);
# endif
#endif
|
