mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
56 lines
1.8 KiB
Python
Executable File
56 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (C) 2017 Furrtek
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# 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
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# along with this program; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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#
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from __future__ import print_function
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import sys
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import struct
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from PIL import Image
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outfile = open('../../sdcard/ADSB/world_map.bin', 'wb')
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# Allow for bigger images
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Image.MAX_IMAGE_PIXELS = None
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im = Image.open("../../sdcard/ADSB/world_map.jpg")
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pix = im.load()
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# Write as unsigned short (2 bytes) as little endian
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outfile.write(struct.pack('<H', im.size[0]))
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outfile.write(struct.pack('<H', im.size[1]))
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print("image \t size[0]=" + str(im.size[0]) + "\tsize[1]=" + str(im.size[1]) + " pixels");
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print("Generating: \t" + outfile.name + "\n from\t\t" + im.filename + "\n please wait...");
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for y in range (0, im.size[1]):
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line = b''
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for x in range (0, im.size[0]):
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# RRRRRGGGGGGBBBBB
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pixel_lcd = (pix[x, y][0] >> 3) << 11
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pixel_lcd |= (pix[x, y][1] >> 2) << 5
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pixel_lcd |= (pix[x, y][2] >> 3)
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# RRRGGGBB to
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# RRR00GGG000BB000
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# pixel_lcd = (pix[x, y][0] >> 5) << 5
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# pixel_lcd |= (pix[x, y][1] >> 5) << 2
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# pixel_lcd |= (pix[x, y][2] >> 6)
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line += struct.pack('<H', pixel_lcd)
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outfile.write(line)
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print(str(y) + '/' + str(im.size[1]) + '\r', end="")
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outfile.close();
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print("Ready.");
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