mirror of
https://git.code.sf.net/p/quake/quakeforge
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817aeb334e
Much of the nq/qw HUD system is quite broken, but the basic status bar seems to be working nicely. As is the console (both client and server). Possibly the biggest benefit is separating the rendering of HUD elements from the updating of them, and much less traversing of invisible views whose only purpose is to control the positioning of the visible views. The view flow tests are currently disabled until I adapt the flow code to ECS. There seems to be a problem with view resizing in that some gravities don't follow resizing correctly.
114 lines
3 KiB
C
114 lines
3 KiB
C
/*
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r_font.c
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Renderer font management 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: 2022/8/26
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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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <math.h>
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#include "QF/quakefs.h"
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#include "QF/sys.h"
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#include "r_font.h"
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#include "r_text.h"
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#include "compat.h"
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rshaper_t *
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RText_NewShaper (rfont_t *font)
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{
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rshaper_t *shaper = malloc (sizeof (rshaper_t));
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shaper->rfont = font;
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shaper->font = hb_ft_font_create (font->face, 0);
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hb_ft_font_set_funcs (shaper->font);
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shaper->buffer = hb_buffer_create ();
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shaper->features = (r_hb_featureset_t) DARRAY_STATIC_INIT (4);
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hb_buffer_allocation_successful (shaper->buffer);
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return shaper;
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}
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void
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RText_DeleteShaper (rshaper_t *shaper)
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{
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hb_buffer_destroy (shaper->buffer);
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hb_font_destroy (shaper->font);
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DARRAY_CLEAR (&shaper->features);
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free (shaper);
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}
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void
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RText_AddFeature (rshaper_t *shaper, hb_feature_t feature)
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{
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DARRAY_APPEND (&shaper->features, feature);
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}
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void
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RText_ShapeText (rshaper_t *shaper, rtext_t *text)
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{
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hb_buffer_reset (shaper->buffer);
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hb_buffer_set_direction (shaper->buffer, text->direction);
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hb_buffer_set_script (shaper->buffer, text->script);
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const char *lang = text->language;
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hb_buffer_set_language (shaper->buffer,
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hb_language_from_string (lang, strlen (lang)));
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size_t length = strlen (text->text);
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hb_buffer_add_utf8 (shaper->buffer, text->text, length, 0, length);
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hb_shape (shaper->font, shaper->buffer,
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shaper->features.a, shaper->features.size);
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}
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void
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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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{
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RText_ShapeText (shaper, text);
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unsigned count;
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__auto_type glyphInfo = hb_buffer_get_glyph_infos (shaper->buffer, &count);
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__auto_type glyphPos = hb_buffer_get_glyph_positions (shaper->buffer,
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&count);
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rfont_t *font = shaper->rfont;
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for (unsigned i = 0; i < count; i++) {
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vec2i_t bearing = font->glyph_bearings[glyphInfo[i].codepoint];
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int xp = x + glyphPos[i].x_offset / 64;
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int yp = y + glyphPos[i].y_offset / 64;
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int xa = glyphPos[i].x_advance / 64;
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int ya = glyphPos[i].y_advance / 64;
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xp += bearing[0];
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yp -= bearing[1];
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render (glyphInfo[i].codepoint, xp, yp, data);
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x += xa;
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y += ya;
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}
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}
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