mirror of
https://github.com/libretro/RetroArch.git
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a6516512b6
that were dependent on a global variable - move a conditional outside for get_text_replacement
1166 lines
32 KiB
C
1166 lines
32 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2017 - 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 <stdlib.h>
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#include <math.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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#include "font_driver.h"
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#include "video_thread_wrapper.h"
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/* TODO/FIXME - global */
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static void *video_font_driver = NULL;
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int font_renderer_create_default(
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const font_renderer_driver_t **drv,
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void **handle,
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const char *font_path, unsigned font_size)
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{
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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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#ifdef HAVE_STB_FONT
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#if defined(VITA) || defined(ORBIS) || defined(WIIU) || defined(ANDROID) || (defined(_WIN32) && !defined(_XBOX) && !defined(_MSC_VER) && _MSC_VER >= 1400) || (defined(_WIN32) && !defined(_XBOX) && defined(_MSC_VER)) || defined(HAVE_LIBNX) || defined(__linux__) || defined (HAVE_EMSCRIPTEN) || defined(__APPLE__) || defined(HAVE_ODROIDGO2) || defined(__PS3__)
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&stb_unicode_font_renderer,
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#else
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&stb_unicode_font_renderer,
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#endif
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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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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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*drv = font_backends[i];
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return 1;
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}
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}
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*drv = NULL;
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*handle = NULL;
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return 0;
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}
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#ifdef HAVE_D3D8
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static bool d3d8_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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static const font_renderer_t *d3d8_font_backends[] = {
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#if defined(_XBOX1)
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&d3d_xdk1_font,
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#endif
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NULL
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};
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unsigned i;
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for (i = 0; i < ARRAY_SIZE(d3d8_font_backends); i++)
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{
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void *data = d3d8_font_backends[i] ? d3d8_font_backends[i]->init(
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video_data, font_path, font_size,
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is_threaded) : NULL;
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if (!data)
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continue;
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*font_driver = d3d8_font_backends[i];
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*font_handle = data;
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return true;
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}
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return false;
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}
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#endif
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#ifdef HAVE_D3D9
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static bool d3d9_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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static const font_renderer_t *d3d9_font_backends[] = {
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#if defined(_WIN32) && defined(HAVE_D3DX)
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&d3d_win32_font,
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#endif
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NULL
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};
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unsigned i;
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for (i = 0; i < ARRAY_SIZE(d3d9_font_backends); i++)
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{
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void *data = d3d9_font_backends[i] ? d3d9_font_backends[i]->init(
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video_data, font_path, font_size,
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is_threaded) : NULL;
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if (!data)
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continue;
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*font_driver = d3d9_font_backends[i];
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*font_handle = data;
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return true;
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}
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return false;
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}
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#endif
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#ifdef HAVE_OPENGL1
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static bool gl1_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = gl1_raster_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &gl1_raster_font;
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*font_handle = data;
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return true;
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}
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#endif
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#if defined(HAVE_OPENGL)
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static bool gl_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = gl2_raster_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &gl2_raster_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_OPENGL_CORE
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static bool gl3_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = gl3_raster_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &gl3_raster_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_CACA
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static bool caca_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = caca_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &caca_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_SIXEL
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static bool sixel_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = sixel_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &sixel_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef DJGPP
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static bool vga_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = vga_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &vga_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_GDI
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#if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__)
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static bool gdi_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = gdi_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &gdi_font;
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*font_handle = data;
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return true;
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}
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#endif
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#endif
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#ifdef HAVE_VULKAN
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static bool vulkan_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = vulkan_raster_font.init(video_data,
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font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &vulkan_raster_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_METAL
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static bool metal_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = metal_raster_font.init(video_data,
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font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &metal_raster_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_D3D10
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static bool d3d10_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = d3d10_font.init(video_data,
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font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &d3d10_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_D3D11
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static bool d3d11_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = d3d11_font.init(video_data,
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font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &d3d11_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_D3D12
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static bool d3d12_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = d3d12_font.init(video_data,
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font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &d3d12_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef PS2
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static bool ps2_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = ps2_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &ps2_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_VITA2D
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static bool vita2d_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = vita2d_vita_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &vita2d_vita_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef _3DS
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static bool ctr_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = ctr_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &ctr_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef HAVE_LIBNX
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static bool switch_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = switch_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &switch_font;
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*font_handle = data;
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return true;
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}
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#endif
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#ifdef WIIU
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static bool wiiu_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = wiiu_font.init(
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video_data, font_path, font_size,
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is_threaded);
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if (!data)
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return false;
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*font_driver = &wiiu_font;
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*font_handle = data;
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return true;
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}
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#endif
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|
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#ifdef __PSL1GHT__
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static bool rsx_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path,
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float font_size, bool is_threaded)
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{
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void *data = rsx_font.init(
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video_data, font_path, font_size,
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is_threaded);
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|
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if (!data)
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return false;
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*font_driver = &rsx_font;
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*font_handle = data;
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return true;
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}
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#endif
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|
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static bool font_init_first(
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const void **font_driver, void **font_handle,
|
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void *video_data, const char *font_path, float font_size,
|
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enum font_driver_render_api api, bool is_threaded)
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{
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if (font_path && !font_path[0])
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font_path = NULL;
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|
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switch (api)
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{
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#ifdef HAVE_OPENGL1
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case FONT_DRIVER_RENDER_OPENGL1_API:
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return gl1_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size, is_threaded);
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#endif
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#ifdef HAVE_OPENGL
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case FONT_DRIVER_RENDER_OPENGL_API:
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return gl_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size, is_threaded);
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#endif
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#ifdef HAVE_OPENGL_CORE
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case FONT_DRIVER_RENDER_OPENGL_CORE_API:
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return gl3_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size, is_threaded);
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#endif
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#ifdef HAVE_VULKAN
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case FONT_DRIVER_RENDER_VULKAN_API:
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return vulkan_font_init_first(font_driver, font_handle,
|
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video_data, font_path, font_size, is_threaded);
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#endif
|
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#ifdef HAVE_METAL
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case FONT_DRIVER_RENDER_METAL_API:
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return metal_font_init_first(font_driver, font_handle,
|
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video_data, font_path, font_size, is_threaded);
|
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#endif
|
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#ifdef HAVE_D3D8
|
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case FONT_DRIVER_RENDER_D3D8_API:
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return d3d8_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size, is_threaded);
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#endif
|
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#ifdef HAVE_D3D9
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case FONT_DRIVER_RENDER_D3D9_API:
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return d3d9_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size, is_threaded);
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#endif
|
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#ifdef HAVE_D3D10
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case FONT_DRIVER_RENDER_D3D10_API:
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return d3d10_font_init_first(font_driver, font_handle,
|
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video_data, font_path, font_size, is_threaded);
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#endif
|
|
#ifdef HAVE_D3D11
|
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case FONT_DRIVER_RENDER_D3D11_API:
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return d3d11_font_init_first(font_driver, font_handle,
|
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video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef HAVE_D3D12
|
|
case FONT_DRIVER_RENDER_D3D12_API:
|
|
return d3d12_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef HAVE_VITA2D
|
|
case FONT_DRIVER_RENDER_VITA2D:
|
|
return vita2d_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef PS2
|
|
case FONT_DRIVER_RENDER_PS2:
|
|
return ps2_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef _3DS
|
|
case FONT_DRIVER_RENDER_CTR:
|
|
return ctr_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef WIIU
|
|
case FONT_DRIVER_RENDER_WIIU:
|
|
return wiiu_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef HAVE_CACA
|
|
case FONT_DRIVER_RENDER_CACA:
|
|
return caca_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef HAVE_SIXEL
|
|
case FONT_DRIVER_RENDER_SIXEL:
|
|
return sixel_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef HAVE_LIBNX
|
|
case FONT_DRIVER_RENDER_SWITCH:
|
|
return switch_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef __PSL1GHT__
|
|
case FONT_DRIVER_RENDER_RSX:
|
|
return rsx_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#ifdef HAVE_GDI
|
|
#if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__)
|
|
case FONT_DRIVER_RENDER_GDI:
|
|
return gdi_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
#endif
|
|
#ifdef DJGPP
|
|
case FONT_DRIVER_RENDER_VGA:
|
|
return vga_font_init_first(font_driver, font_handle,
|
|
video_data, font_path, font_size, is_threaded);
|
|
#endif
|
|
case FONT_DRIVER_RENDER_DONT_CARE:
|
|
/* TODO/FIXME - lookup graphics driver's 'API' */
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
#ifdef HAVE_LANGEXTRA
|
|
/* ASCII: 0xxxxxxx (c & 0x80) == 0x00
|
|
* other start: 11xxxxxx (c & 0xC0) == 0xC0
|
|
* other cont: 10xxxxxx (c & 0xC0) == 0x80
|
|
* Neutral:
|
|
* 0020 - 002F: 001xxxxx (c & 0xE0) == 0x20
|
|
* misc. white space:
|
|
* 2000 - 200D: 11100010 10000000 1000xxxx (c[2] < 0x8E) (3 bytes)
|
|
* Hebrew:
|
|
* 0591 - 05F4: 1101011x (c & 0xFE) == 0xD6 (2 bytes)
|
|
* Arabic:
|
|
* 0600 - 06FF: 110110xx (c & 0xFC) == 0xD8 (2 bytes)
|
|
*/
|
|
|
|
/* clang-format off */
|
|
#define IS_ASCII(p) ((*(p)&0x80) == 0x00)
|
|
#define IS_MBSTART(p) ((*(p)&0xC0) == 0xC0)
|
|
#define IS_MBCONT(p) ((*(p)&0xC0) == 0x80)
|
|
#define IS_DIR_NEUTRAL(p) ((*(p)&0xE0) == 0x20)
|
|
#define IS_HEBREW(p) ((*(p)&0xFE) == 0xD6)
|
|
#define IS_ARABIC(p) ((*(p)&0xFC) == 0xD8)
|
|
#define IS_RTL(p) (IS_HEBREW(p) || IS_ARABIC(p))
|
|
#define GET_ID_ARABIC(p) (((unsigned char)(p)[0] << 6) | ((unsigned char)(p)[1] & 0x3F))
|
|
|
|
|
|
/* Checks for miscellaneous whitespace characters in the range U+2000 to U+200D */
|
|
static INLINE unsigned is_misc_ws(const unsigned char* src)
|
|
{
|
|
unsigned res = 0;
|
|
if (*(src) == 0xE2) /* first byte */
|
|
{
|
|
src++;
|
|
if (*(src) == 0x80) /* second byte */
|
|
{
|
|
src++;
|
|
res = (*(src) < 0x8E); /* third byte */
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static INLINE unsigned font_get_arabic_replacement(
|
|
const char* src, const char* start)
|
|
{
|
|
/* 0x0620 to 0x064F */
|
|
static const unsigned arabic_shape_map[0x100][0x4] = {
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x0600 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x0610 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
{ 0 }, /* 0x0620 */
|
|
{ 0xFE80 },
|
|
{ 0xFE81, 0xFE82 },
|
|
{ 0xFE83, 0xFE84 },
|
|
{ 0xFE85, 0xFE86 },
|
|
{ 0xFE87, 0xFE88 },
|
|
{ 0xFE89, 0xFE8A, 0xFE8B, 0xFE8C },
|
|
{ 0xFE8D, 0xFE8E },
|
|
|
|
{ 0xFE8F, 0xFE90, 0xFE91, 0xFE92 },
|
|
{ 0xFE93, 0xFE94 },
|
|
{ 0xFE95, 0xFE96, 0xFE97, 0xFE98 },
|
|
{ 0xFE99, 0xFE9A, 0xFE9B, 0xFE9C },
|
|
{ 0xFE9D, 0xFE9E, 0xFE9F, 0xFEA0 },
|
|
{ 0xFEA1, 0xFEA2, 0xFEA3, 0xFEA4 },
|
|
{ 0xFEA5, 0xFEA6, 0xFEA7, 0xFEA8 },
|
|
{ 0xFEA9, 0xFEAA },
|
|
|
|
{ 0xFEAB, 0xFEAC }, /* 0x0630 */
|
|
{ 0xFEAD, 0xFEAE },
|
|
{ 0xFEAF, 0xFEB0 },
|
|
{ 0xFEB1, 0xFEB2, 0xFEB3, 0xFEB4 },
|
|
{ 0xFEB5, 0xFEB6, 0xFEB7, 0xFEB8 },
|
|
{ 0xFEB9, 0xFEBA, 0xFEBB, 0xFEBC },
|
|
{ 0xFEBD, 0xFEBE, 0xFEBF, 0xFEC0 },
|
|
{ 0xFEC1, 0xFEC2, 0xFEC3, 0xFEC4 },
|
|
|
|
{ 0xFEC5, 0xFEC6, 0xFEC7, 0xFEC8 },
|
|
{ 0xFEC9, 0xFECA, 0xFECB, 0xFECC },
|
|
{ 0xFECD, 0xFECE, 0xFECF, 0xFED0 },
|
|
{ 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
{ 0 }, /* 0x0640 */
|
|
{ 0xFED1, 0xFED2, 0xFED3, 0xFED4 },
|
|
{ 0xFED5, 0xFED6, 0xFED7, 0xFED8 },
|
|
{ 0xFED9, 0xFEDA, 0xFEDB, 0xFEDC },
|
|
{ 0xFEDD, 0xFEDE, 0xFEDF, 0xFEE0 },
|
|
{ 0xFEE1, 0xFEE2, 0xFEE3, 0xFEE4 },
|
|
{ 0xFEE5, 0xFEE6, 0xFEE7, 0xFEE8 },
|
|
{ 0xFEE9, 0xFEEA, 0xFEEB, 0xFEEC },
|
|
|
|
{ 0xFEED, 0xFEEE },
|
|
{ 0xFEEF, 0xFEF0, 0xFBE8, 0xFBE9 },
|
|
{ 0xFEF1, 0xFEF2, 0xFEF3, 0xFEF4 },
|
|
{ 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x0650 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x0660 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x0670 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
{ 0 }, { 0 },
|
|
{ 0xFB56, 0xFB57, 0xFB58, 0xFB59 },
|
|
{ 0 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x0680 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x0690 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x06A0 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
{ 0 },
|
|
{ 0xFB8E, 0xFB8F, 0xFB90, 0xFB91 },
|
|
{ 0 }, { 0 },
|
|
|
|
{ 0 }, { 0 }, { 0 },
|
|
{ 0xFB92, 0xFB93, 0xFB94, 0xFB95 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x06B0 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x06C0 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
{ 0xFBFC, 0xFBFD, 0xFBFE, 0xFBFF },
|
|
{ 0 }, { 0 }, { 0 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x06D0 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x06E0 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
|
|
|
|
{ 0 }, { 0 }, { 0 }, { 0 }, /* 0x06F0 */
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
{ 0 }, { 0 }, { 0 }, { 0 },
|
|
};
|
|
unsigned result = 0;
|
|
bool prev_connected = false;
|
|
bool next_connected = false;
|
|
unsigned char id = GET_ID_ARABIC(src);
|
|
const char* prev = src - 2;
|
|
const char* next = src + 2;
|
|
|
|
if (IS_ARABIC(prev) && (prev >= start))
|
|
{
|
|
unsigned char prev_id = GET_ID_ARABIC(prev);
|
|
|
|
/* nonspacing diacritics 0x4b -- 0x5f */
|
|
while (prev_id > 0x4A && prev_id < 0x60)
|
|
{
|
|
prev -= 2;
|
|
if ((prev >= start) && IS_ARABIC(prev))
|
|
prev_id = GET_ID_ARABIC(prev);
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (prev_id == 0x44) /* Arabic Letter Lam */
|
|
{
|
|
unsigned char prev2_id = 0;
|
|
const char* prev2 = prev - 2;
|
|
|
|
if (prev2 >= start)
|
|
prev2_id = (prev2[0] << 6) | (prev2[1] & 0x3F);
|
|
|
|
/* nonspacing diacritics 0x4b -- 0x5f */
|
|
while (prev2_id > 0x4A && prev2_id < 0x60)
|
|
{
|
|
prev2 -= 2;
|
|
if ((prev2 >= start) && IS_ARABIC(prev2))
|
|
prev2_id = GET_ID_ARABIC(prev2);
|
|
else
|
|
break;
|
|
}
|
|
|
|
prev_connected = !!arabic_shape_map[prev2_id][2];
|
|
|
|
switch (id)
|
|
{
|
|
case 0x22: /* Arabic Letter Alef with Madda Above */
|
|
return 0xFEF5 + prev_connected;
|
|
case 0x23: /* Arabic Letter Alef with Hamza Above */
|
|
return 0xFEF7 + prev_connected;
|
|
case 0x25: /* Arabic Letter Alef with Hamza Below */
|
|
return 0xFEF9 + prev_connected;
|
|
case 0x27: /* Arabic Letter Alef */
|
|
return 0xFEFB + prev_connected;
|
|
}
|
|
}
|
|
prev_connected = !!arabic_shape_map[prev_id][2];
|
|
}
|
|
|
|
if (IS_ARABIC(next))
|
|
{
|
|
unsigned char next_id = GET_ID_ARABIC(next);
|
|
|
|
/* nonspacing diacritics 0x4b -- 0x5f */
|
|
while (next_id > 0x4A && next_id < 0x60)
|
|
{
|
|
next += 2;
|
|
if (!IS_ARABIC(next))
|
|
break;
|
|
next_id = GET_ID_ARABIC(next);
|
|
}
|
|
|
|
next_connected = !!arabic_shape_map[next_id][1];
|
|
}
|
|
|
|
if ((result =
|
|
arabic_shape_map[id][prev_connected | (next_connected <<
|
|
1)]))
|
|
return result;
|
|
return arabic_shape_map[id][prev_connected];
|
|
}
|
|
/* clang-format on */
|
|
|
|
static char* font_driver_reshape_msg(const char* msg, unsigned char *buffer, size_t buffer_size)
|
|
{
|
|
const unsigned char *src = (const unsigned char*)msg;
|
|
bool reverse = false;
|
|
size_t msg_size = (strlen(msg) * 2) + 1;
|
|
/* Fallback to heap allocated buffer if the buffer is too small */
|
|
/* worst case transformations are 2 bytes to 4 bytes -- aliaspider */
|
|
unsigned char* dst_buffer = (buffer_size < msg_size)
|
|
? (unsigned char*)malloc(msg_size)
|
|
: buffer;
|
|
unsigned char *dst = (unsigned char*)dst_buffer;
|
|
|
|
while (*src || reverse)
|
|
{
|
|
if (reverse)
|
|
{
|
|
src--;
|
|
while (src > (const unsigned char*)msg && IS_MBCONT(src))
|
|
src--;
|
|
|
|
if (src >= (const unsigned char*)msg && (IS_RTL(src) || IS_DIR_NEUTRAL(src) || is_misc_ws(src)))
|
|
{
|
|
if (IS_ARABIC(src))
|
|
{
|
|
unsigned replacement = font_get_arabic_replacement(
|
|
(const char*)src, msg);
|
|
|
|
if (replacement)
|
|
{
|
|
if (replacement < 0x80)
|
|
*dst++ = replacement;
|
|
else if (replacement < 0x800)
|
|
{
|
|
*dst++ = 0xC0 | (replacement >> 6);
|
|
*dst++ = 0x80 | (replacement & 0x3F);
|
|
}
|
|
else if (replacement < 0x10000)
|
|
{
|
|
/* merged glyphs */
|
|
if ((replacement >= 0xFEF5) && (replacement <= 0xFEFC))
|
|
src -= 2;
|
|
|
|
*dst++ = 0xE0 | ( replacement >> 12);
|
|
*dst++ = 0x80 | ((replacement >> 6) & 0x3F);
|
|
*dst++ = 0x80 | ( replacement & 0x3F);
|
|
}
|
|
else
|
|
{
|
|
*dst++ = 0xF0 | (replacement >> 18);
|
|
*dst++ = 0x80 | ((replacement >> 12) & 0x3F);
|
|
*dst++ = 0x80 | ((replacement >> 6) & 0x3F);
|
|
*dst++ = 0x80 | ( replacement & 0x3F);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
|
*dst++ = *src++;
|
|
while (IS_MBCONT(src))
|
|
*dst++ = *src++;
|
|
src--;
|
|
|
|
while (IS_MBCONT(src))
|
|
src--;
|
|
}
|
|
else
|
|
{
|
|
reverse = false;
|
|
src++;
|
|
while ( IS_MBCONT(src)
|
|
|| IS_RTL(src)
|
|
|| IS_DIR_NEUTRAL(src)
|
|
|| is_misc_ws(src))
|
|
src++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (IS_RTL(src))
|
|
{
|
|
reverse = true;
|
|
while ( IS_MBCONT(src)
|
|
|| IS_RTL(src)
|
|
|| IS_DIR_NEUTRAL(src)
|
|
|| is_misc_ws(src))
|
|
src++;
|
|
}
|
|
else
|
|
*dst++ = *src++;
|
|
}
|
|
}
|
|
|
|
*dst = '\0';
|
|
|
|
return (char*)dst_buffer;
|
|
}
|
|
#endif
|
|
|
|
void font_driver_render_msg(
|
|
void *data,
|
|
const char *msg,
|
|
const void *_params,
|
|
void *font_data)
|
|
{
|
|
const struct font_params *params = (const struct font_params*)_params;
|
|
font_data_t *font = (font_data_t*)(font_data
|
|
? font_data : video_font_driver);
|
|
|
|
if (msg && *msg && font && font->renderer && font->renderer->render_msg)
|
|
{
|
|
#ifdef HAVE_LANGEXTRA
|
|
unsigned char tmp_buffer[64];
|
|
char *new_msg = font_driver_reshape_msg(msg, tmp_buffer, sizeof(tmp_buffer));
|
|
font->renderer->render_msg(data,
|
|
font->renderer_data, new_msg, params);
|
|
if (new_msg != (char*)tmp_buffer)
|
|
free(new_msg);
|
|
#else
|
|
char *new_msg = (char*)msg;
|
|
font->renderer->render_msg(data,
|
|
font->renderer_data, new_msg, params);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void font_driver_bind_block(void *font_data, void *block)
|
|
{
|
|
font_data_t *font = (font_data_t*)(font_data ? font_data : video_font_driver);
|
|
|
|
if (font && font->renderer && font->renderer->bind_block)
|
|
font->renderer->bind_block(font->renderer_data, block);
|
|
}
|
|
|
|
void font_driver_flush(unsigned width, unsigned height, void *font_data)
|
|
{
|
|
font_data_t *font = (font_data_t*)(font_data ? font_data : video_font_driver);
|
|
if (font && font->renderer && font->renderer->flush)
|
|
font->renderer->flush(width, height, font->renderer_data);
|
|
}
|
|
|
|
int font_driver_get_message_width(void *font_data,
|
|
const char *msg, unsigned len, float scale)
|
|
{
|
|
font_data_t *font = (font_data_t*)(font_data ? font_data : video_font_driver);
|
|
if (len == 0 && msg)
|
|
len = (unsigned)strlen(msg);
|
|
if (font && font->renderer && font->renderer->get_message_width)
|
|
return font->renderer->get_message_width(font->renderer_data, msg, len, scale);
|
|
return -1;
|
|
}
|
|
|
|
int font_driver_get_line_height(void *font_data, float scale)
|
|
{
|
|
struct font_line_metrics *metrics = NULL;
|
|
font_data_t *font = (font_data_t*)(font_data ? font_data : video_font_driver);
|
|
|
|
/* First try the line metrics implementation */
|
|
if (font && font->renderer && font->renderer->get_line_metrics)
|
|
if ((font->renderer->get_line_metrics(
|
|
font->renderer_data, &metrics)))
|
|
return (int)roundf(metrics->height * scale);
|
|
|
|
/* Else return an approximation
|
|
* (uses a fudge of standard font metrics - mostly garbage...)
|
|
* > font_size = (width of 'a') / 0.6
|
|
* > line_height = font_size * 1.7f */
|
|
return (int)roundf(1.7f * (float)font_driver_get_message_width(font_data, "a", 1, scale) / 0.6f);
|
|
}
|
|
|
|
int font_driver_get_line_ascender(void *font_data, float scale)
|
|
{
|
|
struct font_line_metrics *metrics = NULL;
|
|
font_data_t *font = (font_data_t*)(font_data ? font_data : video_font_driver);
|
|
|
|
/* First try the line metrics implementation */
|
|
if (font && font->renderer && font->renderer->get_line_metrics)
|
|
if ((font->renderer->get_line_metrics(font->renderer_data, &metrics)))
|
|
return (int)roundf(metrics->ascender * scale);
|
|
|
|
/* Else return an approximation
|
|
* (uses a fudge of standard font metrics - mostly garbage...)
|
|
* > font_size = (width of 'a') / 0.6
|
|
* > ascender = 1.58 * font_size * 0.75 */
|
|
return (int)roundf(1.58f * 0.75f * (float)font_driver_get_message_width(font_data, "a", 1, scale) / 0.6f);
|
|
}
|
|
|
|
int font_driver_get_line_descender(void *font_data, float scale)
|
|
{
|
|
struct font_line_metrics *metrics = NULL;
|
|
font_data_t *font = (font_data_t*)(font_data ? font_data : video_font_driver);
|
|
|
|
/* First try the line metrics implementation */
|
|
if (font && font->renderer && font->renderer->get_line_metrics)
|
|
if ((font->renderer->get_line_metrics(font->renderer_data, &metrics)))
|
|
return (int)roundf(metrics->descender * scale);
|
|
|
|
/* Else return an approximation
|
|
* (uses a fudge of standard font metrics - mostly garbage...)
|
|
* > font_size = (width of 'a') / 0.6
|
|
* > descender = 1.58 * font_size * 0.25 */
|
|
return (int)roundf(1.58f * 0.25f * (float)font_driver_get_message_width(font_data, "a", 1, scale) / 0.6f);
|
|
}
|
|
|
|
int font_driver_get_line_centre_offset(void *font_data, float scale)
|
|
{
|
|
struct font_line_metrics *metrics = NULL;
|
|
font_data_t *font = (font_data_t*)(font_data ? font_data : video_font_driver);
|
|
|
|
/* First try the line metrics implementation */
|
|
if (font && font->renderer && font->renderer->get_line_metrics)
|
|
if ((font->renderer->get_line_metrics(font->renderer_data, &metrics)))
|
|
return (int)roundf((metrics->ascender - metrics->descender) * 0.5f * scale);
|
|
|
|
/* Else return an approximation... */
|
|
return (int)roundf((1.58f * 0.5f * (float)font_driver_get_message_width(font_data, "a", 1, scale) / 0.6f) / 2.0f);
|
|
}
|
|
|
|
void font_driver_free(void *font_data)
|
|
{
|
|
font_data_t *font = (font_data_t*)font_data;
|
|
|
|
if (font)
|
|
{
|
|
bool is_threaded = false;
|
|
#ifdef HAVE_THREADS
|
|
bool *is_threaded_tmp = video_driver_get_threaded();
|
|
is_threaded = *is_threaded_tmp;
|
|
#endif
|
|
|
|
if (font->renderer && font->renderer->free)
|
|
font->renderer->free(font->renderer_data, is_threaded);
|
|
|
|
font->renderer = NULL;
|
|
font->renderer_data = NULL;
|
|
|
|
free(font);
|
|
}
|
|
}
|
|
|
|
font_data_t *font_driver_init_first(
|
|
void *video_data, const char *font_path, float font_size,
|
|
bool threading_hint, bool is_threaded,
|
|
enum font_driver_render_api api)
|
|
{
|
|
const void *font_driver = NULL;
|
|
void *font_handle = NULL;
|
|
bool ok = false;
|
|
#ifdef HAVE_THREADS
|
|
if ( threading_hint
|
|
&& is_threaded
|
|
&& !video_driver_is_hw_context())
|
|
ok = video_thread_font_init(&font_driver, &font_handle,
|
|
video_data, font_path, font_size, api, font_init_first,
|
|
is_threaded);
|
|
else
|
|
#endif
|
|
ok = font_init_first(&font_driver, &font_handle,
|
|
video_data, font_path, font_size, api, is_threaded);
|
|
|
|
if (ok)
|
|
{
|
|
font_data_t *font = (font_data_t*)malloc(sizeof(*font));
|
|
|
|
if (font)
|
|
{
|
|
font->renderer = (const font_renderer_t*)font_driver;
|
|
font->renderer_data = font_handle;
|
|
font->size = font_size;
|
|
return font;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void font_driver_init_osd(
|
|
void *video_data,
|
|
const void *video_info_data,
|
|
bool threading_hint,
|
|
bool is_threaded,
|
|
enum font_driver_render_api api)
|
|
{
|
|
const video_info_t *video_info = (const video_info_t*)video_info_data;
|
|
if (!video_font_driver && video_info)
|
|
video_font_driver = font_driver_init_first(video_data,
|
|
*video_info->path_font ? video_info->path_font : NULL,
|
|
video_info->font_size, threading_hint, is_threaded, api);
|
|
}
|
|
|
|
void font_driver_free_osd(void)
|
|
{
|
|
if (video_font_driver)
|
|
font_driver_free(video_font_driver);
|
|
|
|
video_font_driver = NULL;
|
|
}
|