quakeforge/include/r_text.h
Bill Currie 6189142c60 [renderer] Remove rglyph_t struct
It didn't really add anything of value as the glyph bitmap rects and the
bearings were never used together, and the rest of the fields were
entirely redundant. A small step towards using a component system for
text.
2022-10-20 15:50:53 +09:00

73 lines
1.9 KiB
C

/*
r_text.h
Renderer text management
Copyright (C) 2022 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2022/9/4
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 __r_text_h
#define __r_text_h
#include <hb.h>
#include <hb-ft.h>
#include "QF/darray.h"
typedef struct rtext_s {
const char *text;
const char *language;
hb_script_t script;
hb_direction_t direction;
} rtext_t;
typedef struct r_hb_featureset_s DARRAY_TYPE (hb_feature_t) r_hb_featureset_t;
struct rfont_s;
struct rglyph_s;
typedef void rtext_render_t (uint32_t glyphid, int x, int y, void *data);
typedef struct rshaper_s {
struct rfont_s *rfont;
hb_font_t *font;
hb_buffer_t *buffer;
r_hb_featureset_t features;
} rshaper_t;
extern hb_feature_t LiagureOff;
extern hb_feature_t LiagureOn;
extern hb_feature_t KerningOff;
extern hb_feature_t KerningOn;
extern hb_feature_t CligOff;
extern hb_feature_t CligOn;
rshaper_t *RText_NewShaper (struct rfont_s *font);
void RText_DeleteShaper (rshaper_t *shaper);
void RText_AddFeature (rshaper_t *shaper, hb_feature_t feature);
void RText_ShapeText (rshaper_t *shaper, rtext_t *text);
void RText_RenderText (rshaper_t *shaper, rtext_t *text, int x, int y,
rtext_render_t *render, void *data);
#endif//__r_text_h