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https://github.com/libretro/RetroArch.git
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35ca261e4d
This function can be used to get any message width, using the current font renderer driver.
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "font_renderer_driver.h"
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#include "../general.h"
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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static const font_renderer_driver_t *font_backends[] = {
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#ifdef HAVE_FREETYPE
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&freetype_font_renderer,
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#endif
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#if defined(__APPLE__) && defined(HAVE_CORETEXT)
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&coretext_font_renderer,
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#endif
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&bitmap_font_renderer,
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NULL
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};
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int font_renderer_get_message_width(const char *msg, float scale)
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{
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driver_t *driver = driver_get_ptr();
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const struct font_renderer *font_driver = driver ? driver->font_osd_driver : NULL;
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if (!font_driver || !font_driver->get_message_width)
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return 0;
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return font_driver->get_message_width(driver->font_osd_data, msg, scale);
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}
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bool font_renderer_create_default(
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const font_renderer_driver_t **drv, void **handle,
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const char *font_path, unsigned font_size)
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{
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unsigned i;
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for (i = 0; font_backends[i]; i++)
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{
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const char *path = font_path;
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if (!path)
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path = font_backends[i]->get_default_font();
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if (!path)
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continue;
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*handle = font_backends[i]->init(path, font_size);
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if (*handle)
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{
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RARCH_LOG("Using font rendering backend: %s.\n",
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font_backends[i]->ident);
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*drv = font_backends[i];
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return true;
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}
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else
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RARCH_ERR("Failed to create rendering backend: %s.\n",
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font_backends[i]->ident);
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}
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*drv = NULL;
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*handle = NULL;
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return false;
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}
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