mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-27 14:42:07 +00:00
24a85dbadc
While "set" is a tad strong (there's just the one component for now), I had missed the changes when adding ECS systems. Fixes the segfault at the end of demo1 (ie, when any center text is printed).
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/*
|
|
text.h
|
|
|
|
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 __QF_ui_text_h
|
|
#define __QF_ui_text_h
|
|
|
|
#include <hb.h>
|
|
#include <hb-ft.h>
|
|
|
|
#include "QF/darray.h"
|
|
|
|
#include "QF/ecs.h"
|
|
|
|
// These can be converted to hb_direction_t simply by oring with 4
|
|
typedef enum {
|
|
text_right_down, // left to right, then down horizontal text
|
|
text_left_down, // right to left, then down horizontal text
|
|
text_down_right, // top to bottom, then right vertical text
|
|
text_up_right, // bottom to top, then right vertical text
|
|
text_right_up, // left to right, then up horizontal text
|
|
text_left_up, // right to left, then up horizontal text
|
|
text_down_left, // top to bottom, then left vertical text
|
|
text_up_left, // bottom to top, then left vertical text
|
|
} text_dir_e;
|
|
|
|
typedef struct script_component_s {
|
|
hb_language_t language;
|
|
hb_script_t script;
|
|
text_dir_e direction;
|
|
} script_component_t;
|
|
|
|
typedef struct glyphobj_s {
|
|
int glyphid;
|
|
int x, y;
|
|
int fontid;
|
|
} glyphobj_t;
|
|
|
|
typedef struct glyphref_s {
|
|
uint32_t start;
|
|
uint32_t count;
|
|
} glyphref_t;
|
|
|
|
typedef struct glyphset_s {
|
|
glyphobj_t *glyphs;
|
|
uint32_t count;
|
|
} glyphset_t;
|
|
|
|
enum {
|
|
// all the glyphs in a passage. Always on only the root view of the passage.
|
|
text_passage_glyphs,
|
|
// glyphs for a single text object
|
|
text_glyphs,
|
|
// text_script, text_font and text_features on the passage root object set
|
|
// the defaults for all text objects in the passage. The settings can be
|
|
// overridden at the paragraph level or individiual text object level by
|
|
// adding the appropriate component to that text object.
|
|
// script settings for the text object
|
|
text_script,
|
|
// font id for the text object
|
|
text_font,
|
|
// harfbuzz font features for the text object
|
|
text_features,
|
|
|
|
text_comp_count
|
|
};
|
|
|
|
extern const component_t text_components[text_comp_count];
|
|
|
|
typedef struct featureset_s DARRAY_TYPE (hb_feature_t) featureset_t;
|
|
|
|
extern hb_feature_t LigatureOff;
|
|
extern hb_feature_t LigatureOn;
|
|
extern hb_feature_t KerningOff;
|
|
extern hb_feature_t KerningOn;
|
|
extern hb_feature_t CligOff;
|
|
extern hb_feature_t CligOn;
|
|
|
|
struct font_s;
|
|
struct passage_s;
|
|
|
|
struct view_s Text_View (ecs_system_t viewsys,
|
|
struct font_s *font, struct passage_s *passage);
|
|
void Text_SetScript (ecs_system_t textsys, uint32_t textid,
|
|
const char *lang, hb_script_t script, text_dir_e dir);
|
|
void Text_SetFont (ecs_system_t textsys, uint32_t textid,
|
|
struct font_s *font);
|
|
void Text_SetFeatures (ecs_system_t textsys, uint32_t textid,
|
|
featureset_t *features);
|
|
void Text_AddFeature (ecs_system_t textsys, uint32_t textid,
|
|
hb_feature_t feature);
|
|
|
|
#endif//__QF_ui_text_h
|