mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-25 08:59:58 +00:00
153 lines
3.5 KiB
C
153 lines
3.5 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
|
|
* Copyright (C) 2011-2016 - Daniel De Matteis
|
|
* Copyright (C) 2016 - Brad Parker
|
|
*
|
|
* RetroArch 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 Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* RetroArch 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 RetroArch.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string/stdstring.h>
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "../../config.h"
|
|
#endif
|
|
|
|
#include "../font_driver.h"
|
|
#include "../../verbosity.h"
|
|
#include "../common/vga_common.h"
|
|
|
|
typedef struct
|
|
{
|
|
const font_renderer_driver_t *vga_font_driver;
|
|
void *vga_font_data;
|
|
vga_t *vga;
|
|
} vga_raster_t;
|
|
|
|
static void *vga_init_font(void *data,
|
|
const char *font_path, float font_size,
|
|
bool is_threaded)
|
|
{
|
|
vga_raster_t *font = (vga_raster_t*)calloc(1, sizeof(*font));
|
|
|
|
if (!font)
|
|
return NULL;
|
|
|
|
font->vga = (vga_t*)data;
|
|
|
|
font_size = 1;
|
|
|
|
if (!font_renderer_create_default((const void**)&font->vga_font_driver,
|
|
&font->vga_font_data, font_path, font_size))
|
|
{
|
|
RARCH_WARN("Couldn't initialize font renderer.\n");
|
|
return NULL;
|
|
}
|
|
|
|
return font;
|
|
}
|
|
|
|
static void vga_render_free_font(void *data, bool is_threaded)
|
|
{
|
|
(void)data;
|
|
(void)is_threaded;
|
|
}
|
|
|
|
static int vga_get_message_width(void *data, const char *msg,
|
|
unsigned msg_len, float scale)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static const struct font_glyph *vga_font_get_glyph(
|
|
void *data, uint32_t code)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static void vga_render_msg(video_frame_info_t *video_info,
|
|
void *data, const char *msg,
|
|
const void *userdata)
|
|
{
|
|
float x, y, scale;
|
|
unsigned width, height;
|
|
unsigned newX, newY;
|
|
unsigned align;
|
|
vga_raster_t *font = (vga_raster_t*)data;
|
|
const struct font_params *params = (const struct font_params*)userdata;
|
|
|
|
(void)newX;
|
|
(void)newY;
|
|
|
|
if (!font || string_is_empty(msg))
|
|
return;
|
|
|
|
if (params)
|
|
{
|
|
x = params->x;
|
|
y = params->y;
|
|
scale = params->scale;
|
|
align = params->text_align;
|
|
}
|
|
else
|
|
{
|
|
x = video_info->font_msg_pos_x;
|
|
y = video_info->font_msg_pos_y;
|
|
scale = 1.0f;
|
|
align = TEXT_ALIGN_LEFT;
|
|
}
|
|
|
|
if (!font->vga)
|
|
return;
|
|
|
|
width = VGA_WIDTH;
|
|
height = VGA_HEIGHT;
|
|
newY = height - (y * height * scale);
|
|
|
|
switch (align)
|
|
{
|
|
case TEXT_ALIGN_LEFT:
|
|
newX = x * width * scale;
|
|
break;
|
|
case TEXT_ALIGN_RIGHT:
|
|
newX = (x * width * scale) - strlen(msg);
|
|
break;
|
|
case TEXT_ALIGN_CENTER:
|
|
newX = (x * width * scale) - (strlen(msg) / 2);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void vga_font_flush_block(unsigned width, unsigned height,
|
|
void* data)
|
|
{
|
|
(void)data;
|
|
}
|
|
|
|
static void vga_font_bind_block(void* data, void* userdata)
|
|
{
|
|
(void)data;
|
|
}
|
|
|
|
font_renderer_t vga_font = {
|
|
vga_init_font,
|
|
vga_render_free_font,
|
|
vga_render_msg,
|
|
"vga font",
|
|
vga_font_get_glyph, /* get_glyph */
|
|
vga_font_bind_block, /* bind_block */
|
|
vga_font_flush_block, /* flush */
|
|
vga_get_message_width /* get_message_width */
|
|
};
|