2022-09-04 11:56:38 +00:00
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/*
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r_text.h
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Renderer text management
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Copyright (C) 2022 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2022/9/4
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __r_text_h
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#define __r_text_h
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#include <hb.h>
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#include <hb-ft.h>
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#include "QF/darray.h"
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typedef struct rtext_s {
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const char *text;
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const char *language;
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hb_script_t script;
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hb_direction_t direction;
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} rtext_t;
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typedef struct r_hb_featureset_s DARRAY_TYPE (hb_feature_t) r_hb_featureset_t;
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struct rfont_s;
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struct rglyph_s;
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2022-10-20 06:50:53 +00:00
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typedef void rtext_render_t (uint32_t glyphid, int x, int y, void *data);
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2022-09-04 11:56:38 +00:00
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typedef struct rshaper_s {
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struct rfont_s *rfont;
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hb_font_t *font;
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hb_buffer_t *buffer;
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r_hb_featureset_t features;
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} rshaper_t;
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extern hb_feature_t LiagureOff;
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extern hb_feature_t LiagureOn;
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extern hb_feature_t KerningOff;
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extern hb_feature_t KerningOn;
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extern hb_feature_t CligOff;
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extern hb_feature_t CligOn;
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rshaper_t *RText_NewShaper (struct rfont_s *font);
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void RText_DeleteShaper (rshaper_t *shaper);
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void RText_AddFeature (rshaper_t *shaper, hb_feature_t feature);
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void RText_ShapeText (rshaper_t *shaper, rtext_t *text);
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void RText_RenderText (rshaper_t *shaper, rtext_t *text, int x, int y,
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rtext_render_t *render, void *data);
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#endif//__r_text_h
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