mirror of https://github.com/mpv-player/mpv
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
#ifndef __ASS_CACHE_H__
|
|
#define __ASS_CACHE_H__
|
|
|
|
#include <ft2build.h>
|
|
#include FT_FREETYPE_H
|
|
#include FT_STROKER_H
|
|
#include FT_GLYPH_H
|
|
|
|
// font cache
|
|
typedef struct face_desc_s {
|
|
char* family;
|
|
unsigned bold;
|
|
unsigned italic;
|
|
} face_desc_t;
|
|
|
|
void ass_face_cache_init(void);
|
|
int ass_new_face(FT_Library library, void* fontconfig_priv, face_desc_t* desc, /*out*/ FT_Face* face);
|
|
void ass_face_cache_done(void);
|
|
|
|
|
|
// describes a glyph; glyphs with equivalents structs are considered identical
|
|
typedef struct glyph_hash_key_s {
|
|
char bitmap; // bool : true = bitmap, false = outline
|
|
FT_Face face;
|
|
int size; // font size
|
|
int index; // glyph index in the face
|
|
unsigned outline; // border width, 16.16 fixed point value
|
|
int bold, italic;
|
|
|
|
// the following affects bitmap glyphs only
|
|
unsigned scale_x, scale_y; // 16.16
|
|
int angle; // signed 16.16
|
|
|
|
FT_Vector advance; // subpixel shift vector
|
|
} glyph_hash_key_t;
|
|
|
|
typedef struct glyph_hash_val_s {
|
|
FT_Glyph glyph; // the actual glyphs
|
|
FT_Glyph outline_glyph;
|
|
FT_BBox bbox_scaled; // bbox after scaling, but before rotation
|
|
FT_Vector advance; // 26.6, advance distance to the next glyph in line
|
|
} glyph_hash_val_t;
|
|
|
|
void ass_glyph_cache_init(void);
|
|
void cache_add_glyph(glyph_hash_key_t* key, glyph_hash_val_t* val);
|
|
glyph_hash_val_t* cache_find_glyph(glyph_hash_key_t* key);
|
|
void ass_glyph_cache_done(void);
|
|
|
|
#endif
|
|
|