58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
#!/usr/bin/env python3
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import sys
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import os
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from PIL import Image
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def main():
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if len(sys.argv) != 3:
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print("Usage: %s <image> <output file>" % sys.argv[0])
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sys.exit(-1)
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img = Image.open(sys.argv[1]).convert('RGB')
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width, height = img.size
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print("Size: %d x %d = %d bytes" % (width, height, width * height / 8))
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file_name = os.path.basename(sys.argv[2])
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variable_name = '_'.join(file_name.split('.')[:-1])
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variable_name = variable_name.upper()
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output_file = open(sys.argv[2], 'w')
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output_file.write("use st7735::bitmaps::MonoBitmap;\n\n")
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output_file.write("const %s_PX: [u16; %d] = [\n" % (variable_name, width * height))
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bit_pos = 0
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bits = 0
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for y in range(0, height):
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output_file.write("\t")
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for x in range(0, width):
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r, g, b = img.getpixel((x, y))
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if (r + b + g) / 3 > 127:
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bits = bits | (1 << (bit_pos % 8))
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bit_pos += 1
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if bit_pos % 8 == 0:
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output_file.write("0x%x, " % bits)
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bits = 0
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output_file.write("\n")
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output_file.write("];\n\n")
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output_file.write("pub const %s: MonoBitmap = MonoBitmap {\n" % variable_name)
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output_file.write("\twidth: %d,\n" % width)
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output_file.write("\theight: %d,\n" % height)
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output_file.write("pixels: &%s_PX,\n" % variable_name)
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output_file.write("};\n")
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output_file.close()
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if __name__ == '__main__':
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main()
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