mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 21:02:50 +00:00
79ab2f7ba7
Shaped text is cached using all the shaping parameters as well as the text itself as a key. This makes text shaping a non-issue for imui when the text is stable, taking my simple test from 120fps to 1000fps (optimized build).
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
|
|
shaper.h
|
|
|
|
Text shaping system
|
|
|
|
Copyright (C) 2023 Bill Currie <bill@taniwha.org>
|
|
|
|
Author: Bill Currie <bill@taniwha.org>
|
|
Date: 2023/07/07
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
|
|
#ifndef __QF_ui_shaper_h
|
|
#define __QF_ui_shaper_h
|
|
|
|
#include "QF/ui/text.h"
|
|
|
|
typedef struct text_shaper_s text_shaper_t;
|
|
|
|
typedef struct shaped_glyphs_s {
|
|
const hb_glyph_info_t *glyphInfo;
|
|
const hb_glyph_position_t *glyphPos;
|
|
unsigned count;
|
|
} shaped_glyphs_t;
|
|
|
|
typedef struct shaping_s {
|
|
const script_component_t *script;
|
|
const featureset_t *features;
|
|
const struct font_s *font;
|
|
} shaping_t;
|
|
|
|
text_shaper_t *Shaper_New (void);
|
|
void Shaper_Delete (text_shaper_t *shaper);
|
|
void Shaper_FlushUnused (text_shaper_t *shaper);
|
|
|
|
shaped_glyphs_t Shaper_ShapeText (text_shaper_t *shaper,
|
|
const shaping_t *control,
|
|
const char *text, size_t text_len);
|
|
|
|
#endif//__QF_ui_shaper_h
|