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40 lines
984 B
Python
40 lines
984 B
Python
5 years ago
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# -*- coding: utf-8 -*-
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"""Utility to convert images to raw RGB565 format."""
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from PIL import Image
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from struct import pack
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from os import path
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import sys
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def error(msg):
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"""Display error and exit."""
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print (msg)
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sys.exit(-1)
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def write_bin(f, pixel_list):
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"""Save image in RGB565 format."""
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for pix in pixel_list:
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r = (pix[0] >> 3) & 0x1F
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g = (pix[1] >> 2) & 0x3F
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b = (pix[2] >> 3) & 0x1F
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f.write(pack('>H', (r << 11) + (g << 5) + b))
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if __name__ == '__main__':
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args = sys.argv
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if len(args) != 2:
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error('Please specify input file: ./img2rgb565.py test.png')
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in_path = args[1]
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if not path.exists(in_path):
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error('File Not Found: ' + in_path)
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filename, ext = path.splitext(in_path)
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out_path = filename + '.raw'
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img = Image.open(in_path).convert('RGB')
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pixels = list(img.getdata())
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with open(out_path, 'wb') as f:
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write_bin(f, pixels)
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print('Saved: ' + out_path)
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