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Lockpick_RCM/source/frontend/gui.c
2021-09-05 16:21:09 -06:00

99 lines
2.1 KiB
C

/*
* Copyright (c) 2018-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "../gfx/gfx.h"
#include <mem/heap.h>
#include <rtc/max77620-rtc.h>
#include <storage/nx_sd.h>
#include <utils/util.h>
#include <string.h>
int save_fb_to_bmp()
{
// Disallow screenshots if less than 2s passed.
static u32 timer = 0;
if (get_tmr_ms() < timer)
return 1;
const u32 file_size = 0x384000 + 0x36;
u8 *bitmap = malloc(file_size);
u32 *fb = malloc(0x384000);
u32 *fb_ptr = gfx_ctxt.fb;
// Reconstruct FB for bottom-top, portrait bmp.
for (int y = 1279; y > -1; y--)
{
for (u32 x = 0; x < 720; x++)
fb[y * 720 + x] = *fb_ptr++;
}
memcpy(bitmap + 0x36, fb, 0x384000);
typedef struct _bmp_t
{
u16 magic;
u32 size;
u32 rsvd;
u32 data_off;
u32 hdr_size;
u32 width;
u32 height;
u16 planes;
u16 pxl_bits;
u32 comp;
u32 img_size;
u32 res_h;
u32 res_v;
u64 rsvd2;
} __attribute__((packed)) bmp_t;
bmp_t *bmp = (bmp_t *)bitmap;
bmp->magic = 0x4D42;
bmp->size = file_size;
bmp->rsvd = 0;
bmp->data_off = 0x36;
bmp->hdr_size = 40;
bmp->width = 720;
bmp->height = 1280;
bmp->planes = 1;
bmp->pxl_bits = 32;
bmp->comp = 0;
bmp->img_size = 0x384000;
bmp->res_h = 2834;
bmp->res_v = 2834;
bmp->rsvd2 = 0;
sd_mount();
f_mkdir("sd:/switch");
char path[0x80] = "sd:/switch/lockpick_rcm.bmp";
// Save screenshot and log.
int res = sd_save_to_file(bitmap, file_size, path);
// sd_unmount();
free(bitmap);
free(fb);
// Set timer to 2s.
timer = get_tmr_ms() + 2000;
return res;
}