mirror of https://github.com/arendst/Tasmota.git
45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
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#!python3
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from PIL import Image, ImageOps
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from argparse import ArgumentParser
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import sys
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import math
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parser = ArgumentParser()
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parser.add_argument('-i', action="store", dest="inputfile", required=True)
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parser.add_argument('-n', action="store", dest="name", required=True)
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parser.add_argument('-o', action="store", dest="outputfile", required=True)
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parser.add_argument('-maxw', action="store", dest="max_width", default=1200, type=int)
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parser.add_argument('-maxh', action="store", dest="max_height", default=825, type=int)
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args = parser.parse_args()
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im = Image.open(args.inputfile)
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# convert to grayscale
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im = im.convert(mode='L')
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im.thumbnail((args.max_width, args.max_height), Image.ANTIALIAS)
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# Write out the output file.
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with open(args.outputfile, 'w') as f:
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f.write("const uint32_t {}_width = {};\n".format(args.name, im.size[0]))
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f.write("const uint32_t {}_height = {};\n".format(args.name, im.size[1]))
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f.write(
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"const uint8_t {}_data[({}*{})/2] = {{\n".format(args.name, math.ceil(im.size[0] / 2) * 2, im.size[1])
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)
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for y in range(0, im.size[1]):
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byte = 0
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done = True
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for x in range(0, im.size[0]):
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l = im.getpixel((x, y))
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if x % 2 == 0:
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byte = l >> 4
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done = False;
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else:
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byte |= l & 0xF0
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f.write("0x{:02X}, ".format(byte))
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done = True
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if not done:
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f.write("0x{:02X}, ".format(byte))
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f.write("\n\t");
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f.write("};\n")
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