2011-01-30 02:36:39 -08:00
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#ifndef _EVAS_TEXT_UTILS_H
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# define _EVAS_TEXT_UTILS_H
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typedef struct _Evas_Text_Props Evas_Text_Props;
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2011-02-01 04:17:52 -08:00
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typedef struct _Evas_Text_Props_Info Evas_Text_Props_Info;
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typedef struct _Evas_Font_Glyph_Info Evas_Font_Glyph_Info;
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2011-01-30 02:36:39 -08:00
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2012-06-12 08:25:27 -07:00
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typedef enum
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{
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EVAS_TEXT_PROPS_MODE_NONE = 0,
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EVAS_TEXT_PROPS_MODE_SHAPE
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} Evas_Text_Props_Mode;
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2011-01-30 02:36:39 -08:00
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# include "evas_font_ot.h"
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# include "language/evas_bidi_utils.h"
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# include "language/evas_language_utils.h"
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2011-04-20 07:20:51 -07:00
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/* Used for showing "malformed" or missing chars */
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#define REPLACEMENT_CHAR 0xFFFD
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typedef struct _Evas_Glyph Evas_Glyph;
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2011-01-30 02:36:39 -08:00
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struct _Evas_Text_Props
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{
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/* Start and len represent the start offset and the length in the
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* glyphs_info and ot_data fields, they are both internal */
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size_t start;
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size_t len;
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size_t text_offset; /* The text offset from the start of the info */
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size_t text_len; /* The length of the original text */
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Evas_BiDi_Props bidi;
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Evas_Script_Type script;
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2011-02-01 04:17:52 -08:00
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Evas_Text_Props_Info *info;
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2011-04-26 07:20:41 -07:00
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void *font_instance;
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Evas_Glyph *glyphs;
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int glyphs_length;
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2012-05-17 19:16:54 -07:00
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2012-05-10 18:50:40 -07:00
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int generation;
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Eina_Bool changed : 1;
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2012-06-16 21:32:54 -07:00
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Eina_Bool prepare : 1;
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2011-01-30 02:36:39 -08:00
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};
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2011-02-01 04:17:52 -08:00
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struct _Evas_Text_Props_Info
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{
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unsigned int refcount;
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Evas_Font_Glyph_Info *glyph;
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Evas_Font_OT_Info *ot;
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};
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/* Sorted in visual order when created */
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struct _Evas_Font_Glyph_Info
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{
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unsigned int index; /* Should conform to FT */
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Evas_Coord x_bear;
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/* This one is rarely used, only in draw, in which we already get the glyph
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* so it doesn't really save time. Leaving it here just so no one will
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* add it thinking it was accidentally skipped */
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Evas_Coord y_bear;
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Evas_Coord width;
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Evas_Coord pen_after;
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};
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2011-01-30 02:36:39 -08:00
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void
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evas_common_text_props_bidi_set(Evas_Text_Props *props,
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Evas_BiDi_Paragraph_Props *bidi_par_props, size_t start);
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void
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2011-05-29 02:20:18 -07:00
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evas_common_text_props_script_set(Evas_Text_Props *props, Evas_Script_Type scr);
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2011-01-30 02:36:39 -08:00
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2011-02-01 04:17:52 -08:00
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EAPI Eina_Bool
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2011-05-29 02:20:18 -07:00
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evas_common_text_props_content_create(void *_fi, const Eina_Unicode *text,
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Evas_Text_Props *text_props, const Evas_BiDi_Paragraph_Props *par_props,
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size_t par_pos, int len, Evas_Text_Props_Mode mode);
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void
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evas_common_text_props_content_copy_and_ref(Evas_Text_Props *dst,
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const Evas_Text_Props *src);
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2011-01-30 02:43:34 -08:00
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void
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evas_common_text_props_content_ref(Evas_Text_Props *props);
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2012-11-21 01:12:42 -08:00
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void
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evas_common_text_props_content_nofree_unref(Evas_Text_Props *props);
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2011-01-30 02:36:39 -08:00
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void
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evas_common_text_props_content_unref(Evas_Text_Props *props);
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2011-06-02 08:36:50 -07:00
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EAPI int
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2011-07-17 03:47:54 -07:00
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evas_common_text_props_cluster_next(const Evas_Text_Props *props, int pos);
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2011-07-18 00:41:27 -07:00
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EAPI int
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evas_common_text_props_cluster_prev(const Evas_Text_Props *props, int pos);
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2011-07-17 03:47:54 -07:00
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EAPI int
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evas_common_text_props_index_find(const Evas_Text_Props *props, int _cutoff);
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2011-01-30 05:58:06 -08:00
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2011-01-30 02:40:30 -08:00
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EAPI void
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evas_common_text_props_split(Evas_Text_Props *base, Evas_Text_Props *ext,
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int cutoff);
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2011-01-30 02:41:42 -08:00
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EAPI void
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evas_common_text_props_merge(Evas_Text_Props *item1, const Evas_Text_Props *item2);
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2011-04-12 02:05:47 -07:00
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2011-01-30 02:36:39 -08:00
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#endif
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