100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
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/*
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* Copyright (c) 2018-2021 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../gfx/gfx.h"
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#include <mem/heap.h>
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#include <rtc/max77620-rtc.h>
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#include <storage/nx_sd.h>
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#include <utils/util.h>
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#include <string.h>
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int save_fb_to_bmp()
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{
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// Disallow screenshots if less than 2s passed.
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static u32 timer = 0;
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if (get_tmr_ms() < timer)
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return 1;
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const u32 file_size = 0x384000 + 0x36;
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u8 *bitmap = malloc(file_size);
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u32 *fb = malloc(0x384000);
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u32 *fb_ptr = gfx_ctxt.fb;
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// Reconstruct FB for bottom-top, portrait bmp.
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for (int y = 1279; y > -1; y--)
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{
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for (u32 x = 0; x < 720; x++)
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fb[y * 720 + x] = *fb_ptr++;
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}
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memcpy(bitmap + 0x36, fb, 0x384000);
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typedef struct _bmp_t
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{
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u16 magic;
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u32 size;
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u32 rsvd;
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u32 data_off;
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u32 hdr_size;
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u32 width;
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u32 height;
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u16 planes;
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u16 pxl_bits;
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u32 comp;
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u32 img_size;
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u32 res_h;
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u32 res_v;
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u64 rsvd2;
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} __attribute__((packed)) bmp_t;
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bmp_t *bmp = (bmp_t *)bitmap;
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bmp->magic = 0x4D42;
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bmp->size = file_size;
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bmp->rsvd = 0;
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bmp->data_off = 0x36;
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bmp->hdr_size = 40;
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bmp->width = 720;
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bmp->height = 1280;
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bmp->planes = 1;
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bmp->pxl_bits = 32;
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bmp->comp = 0;
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bmp->img_size = 0x384000;
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bmp->res_h = 2834;
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bmp->res_v = 2834;
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bmp->rsvd2 = 0;
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sd_mount();
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f_mkdir("sd:/switch");
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char path[0x80] = "sd:/switch/picklock_rcm.bmp";
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// Save screenshot and log.
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int res = sd_save_to_file(bitmap, file_size, path);
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// sd_unmount();
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free(bitmap);
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free(fb);
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// Set timer to 2s.
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timer = get_tmr_ms() + 2000;
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return res;
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}
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