105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
#ifndef _EVAS_TEXT_UTILS_H
|
|
# define _EVAS_TEXT_UTILS_H
|
|
|
|
typedef struct _Evas_Text_Props Evas_Text_Props;
|
|
typedef struct _Evas_Text_Props_Info Evas_Text_Props_Info;
|
|
typedef struct _Evas_Font_Glyph_Info Evas_Font_Glyph_Info;
|
|
|
|
typedef enum
|
|
{
|
|
EVAS_TEXT_PROPS_MODE_NONE = 0,
|
|
EVAS_TEXT_PROPS_MODE_SHAPE
|
|
} Evas_Text_Props_Mode;
|
|
|
|
# include "evas_font_ot.h"
|
|
# include "language/evas_bidi_utils.h"
|
|
# include "language/evas_language_utils.h"
|
|
|
|
/* Used for showing "malformed" or missing chars */
|
|
#define REPLACEMENT_CHAR 0xFFFD
|
|
|
|
typedef struct _Evas_Glyph Evas_Glyph;
|
|
|
|
struct _Evas_Text_Props
|
|
{
|
|
/* Start and len represent the start offset and the length in the
|
|
* glyphs_info and ot_data fields, they are both internal */
|
|
size_t start;
|
|
size_t len;
|
|
size_t text_offset; /* The text offset from the start of the info */
|
|
size_t text_len; /* The length of the original text */
|
|
Evas_BiDi_Props bidi;
|
|
Evas_Script_Type script;
|
|
Evas_Text_Props_Info *info;
|
|
void *font_instance;
|
|
|
|
Evas_Glyph *glyphs;
|
|
int glyphs_length;
|
|
|
|
int generation;
|
|
Eina_Bool changed : 1;
|
|
Eina_Bool prepare : 1;
|
|
};
|
|
|
|
struct _Evas_Text_Props_Info
|
|
{
|
|
unsigned int refcount;
|
|
Evas_Font_Glyph_Info *glyph;
|
|
Evas_Font_OT_Info *ot;
|
|
};
|
|
|
|
/* Sorted in visual order when created */
|
|
struct _Evas_Font_Glyph_Info
|
|
{
|
|
unsigned int index; /* Should conform to FT */
|
|
Evas_Coord x_bear;
|
|
/* This one is rarely used, only in draw, in which we already get the glyph
|
|
* so it doesn't really save time. Leaving it here just so no one will
|
|
* add it thinking it was accidentally skipped */
|
|
Evas_Coord y_bear;
|
|
Evas_Coord width;
|
|
Evas_Coord pen_after;
|
|
};
|
|
|
|
void
|
|
evas_common_text_props_bidi_set(Evas_Text_Props *props,
|
|
Evas_BiDi_Paragraph_Props *bidi_par_props, size_t start);
|
|
|
|
void
|
|
evas_common_text_props_script_set(Evas_Text_Props *props, Evas_Script_Type scr);
|
|
|
|
EAPI Eina_Bool
|
|
evas_common_text_props_content_create(void *_fi, const Eina_Unicode *text,
|
|
Evas_Text_Props *text_props, const Evas_BiDi_Paragraph_Props *par_props,
|
|
size_t par_pos, int len, Evas_Text_Props_Mode mode);
|
|
|
|
void
|
|
evas_common_text_props_content_copy_and_ref(Evas_Text_Props *dst,
|
|
const Evas_Text_Props *src);
|
|
|
|
void
|
|
evas_common_text_props_content_ref(Evas_Text_Props *props);
|
|
|
|
void
|
|
evas_common_text_props_content_nofree_unref(Evas_Text_Props *props);
|
|
|
|
void
|
|
evas_common_text_props_content_unref(Evas_Text_Props *props);
|
|
|
|
EAPI int
|
|
evas_common_text_props_cluster_next(const Evas_Text_Props *props, int pos);
|
|
|
|
EAPI int
|
|
evas_common_text_props_cluster_prev(const Evas_Text_Props *props, int pos);
|
|
|
|
EAPI int
|
|
evas_common_text_props_index_find(const Evas_Text_Props *props, int _cutoff);
|
|
|
|
EAPI void
|
|
evas_common_text_props_split(Evas_Text_Props *base, Evas_Text_Props *ext,
|
|
int cutoff);
|
|
EAPI void
|
|
evas_common_text_props_merge(Evas_Text_Props *item1, const Evas_Text_Props *item2);
|
|
|
|
#endif
|