mirror of
https://github.com/CTCaer/RetroArch.git
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139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2016 - Daniel De Matteis
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* Copyright (C) 2016 - Brad Parker
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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 <string/stdstring.h>
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#include <caca.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 "../../configuration.h"
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#include "../../verbosity.h"
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#include "../common/caca_common.h"
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typedef struct
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{
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const font_renderer_driver_t *caca_font_driver;
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void *caca_font_data;
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caca_t *caca;
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} caca_raster_t;
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static void *caca_init_font(void *data,
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const char *font_path, float font_size)
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{
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caca_raster_t *font = (caca_raster_t*)calloc(1, sizeof(*font));
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if (!font)
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return NULL;
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font->caca = (caca_t*)data;
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font_size = 1;
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if (!font_renderer_create_default((const void**)&font->caca_font_driver,
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&font->caca_font_data, font_path, font_size))
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{
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RARCH_WARN("Couldn't initialize font renderer.\n");
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return NULL;
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}
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return font;
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}
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static void caca_render_free_font(void *data)
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{
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}
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static int caca_get_message_width(void *data, const char *msg,
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unsigned msg_len, float scale)
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{
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return 0;
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}
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static const struct font_glyph *caca_font_get_glyph(
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void *data, uint32_t code)
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{
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return NULL;
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}
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static void caca_render_msg(void *data, const char *msg,
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const void *userdata)
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{
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caca_raster_t *font = (caca_raster_t*)data;
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float x, y;
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unsigned width, height;
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unsigned newX, newY;
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settings_t *settings = config_get_ptr();
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const struct font_params *params = (const struct font_params*)userdata;
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if (!font || string_is_empty(msg))
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return;
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if (params)
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{
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x = params->x;
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y = params->y;
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}
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else
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{
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x = settings->video.msg_pos_x;
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y = settings->video.msg_pos_y;
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}
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if (!font->caca || !font->caca->caca_cv || !font->caca->caca_display ||
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!*font->caca->caca_cv || !*font->caca->caca_display)
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return;
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width = caca_get_canvas_width(*font->caca->caca_cv);
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height = caca_get_canvas_height(*font->caca->caca_cv);
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newX = x * width;
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newY = height - (y * height);
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if (strlen(msg) + newX > width)
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newX -= strlen(msg) + newX - width;
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caca_put_str(*font->caca->caca_cv, newX, newY, msg);
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caca_refresh_display(*font->caca->caca_display);
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}
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static void caca_font_flush_block(void* data)
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{
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(void)data;
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}
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static void caca_font_bind_block(void* data, void* userdata)
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{
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(void)data;
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}
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font_renderer_t caca_font = {
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caca_init_font,
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caca_render_free_font,
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caca_render_msg,
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"caca font",
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caca_font_get_glyph, /* get_glyph */
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caca_font_bind_block, /* bind_block */
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caca_font_flush_block, /* flush */
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caca_get_message_width /* get_message_width */
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};
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