legacy-imlib2/src/lib/font.h

127 lines
4.1 KiB
C

#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_GLYPH_H
/* TODO separate fonts and data stuff */
typedef struct _Imlib_Font ImlibFont;
typedef struct _Imlib_Font_Glyph Imlib_Font_Glyph;
typedef struct _Imlib_Object_List Imlib_Object_List;
typedef struct _Imlib_Hash Imlib_Hash;
typedef struct _Imlib_Hash_El Imlib_Hash_El;
struct _Imlib_Object_List
{
Imlib_Object_List *next, *prev;
Imlib_Object_List *last;
};
struct _Imlib_Hash
{
int population;
Imlib_Object_List *buckets[256];
};
struct _Imlib_Hash_El
{
Imlib_Object_List _list_data;
char *key;
void *data;
};
struct _Imlib_Font
{
Imlib_Object_List _list_data;
char *name;
char *file;
int size;
struct
{
FT_Face face;
}
ft;
Imlib_Hash *glyphs;
int usage;
int references;
};
struct _Imlib_Font_Glyph
{
FT_Glyph glyph;
FT_BitmapGlyph glyph_out;
};
/* functions */
void imlib_font_init(void);
int imlib_font_ascent_get(ImlibFont * fn);
int imlib_font_descent_get(ImlibFont * fn);
int imlib_font_max_ascent_get(ImlibFont * fn);
int imlib_font_max_descent_get(ImlibFont * fn);
int imlib_font_get_line_advance(ImlibFont * fn);
int imlib_font_utf8_get_next(unsigned char *buf, int *iindex);
void imlib_font_add_font_path(const char *path);
void imlib_font_del_font_path(const char *path);
int imlib_font_path_exists(const char *path);
char **imlib_font_list_font_path(int *num_ret);
char **imlib_font_list_fonts(int *num_ret);
ImlibFont *imlib_font_load_joined(const char *name);
ImlibFont *imlib_font_load(const char *name, int size);
void imlib_font_free(ImlibFont * fn);
int imlib_font_cache_get(void);
void imlib_font_cache_set(int size);
void imlib_font_flush(void);
void imlib_font_modify_cache_by(ImlibFont * fn, int dir);
void imlib_font_modify_cache_by(ImlibFont * fn, int dir);
void imlib_font_flush_last(void);
ImlibFont *imlib_font_find(const char *name, int size);
void imlib_font_query_size(ImlibFont * fn, const char *text,
int *w, int *h);
int imlib_font_query_inset(ImlibFont * fn, const char *text);
void imlib_font_query_advance(ImlibFont * fn, const char *text,
int *h_adv, int *v_adv);
int imlib_font_query_char_coords(ImlibFont * fn,
const char *text, int pos,
int *cx, int *cy, int *cw,
int *ch);
int imlib_font_query_text_at_pos(ImlibFont * fn,
const char *text, int x, int y,
int *cx, int *cy, int *cw,
int *ch);
Imlib_Font_Glyph *imlib_font_cache_glyph_get(ImlibFont * fn, FT_UInt index);
void imlib_render_str(ImlibImage * im, ImlibFont * f, int drx,
int dry, const char *text, DATA8 r,
DATA8 g, DATA8 b, DATA8 a, char dir,
double angle, int *retw, int *reth,
int blur, int *nextx, int *nexty,
ImlibOp op, int clx, int cly, int clw,
int clh);
void imlib_font_draw(ImlibImage * dst, DATA32 col,
ImlibFont * fn, int x, int y,
const char *text, int *nextx, int *nexty,
int clx, int cly, int clw, int clh);
/* data manipulation */
void *imlib_object_list_prepend(void *in_list, void *in_item);
void *imlib_object_list_remove(void *in_list, void *in_item);
Imlib_Hash *imlib_hash_add(Imlib_Hash * hash, const char *key,
const void *data);
void *imlib_hash_find(Imlib_Hash * hash, const char *key);
void imlib_hash_free(Imlib_Hash * hash);
void imlib_hash_foreach(Imlib_Hash * hash,
int (*func) (Imlib_Hash * hash,
const char *key, void *data,
void *fdata),
const void *fdata);