mirror of
https://github.com/BelfrySCAD/BOSL2.git
synced 2024-12-29 08:19:43 +00:00
79 lines
2.3 KiB
Python
Executable file
79 lines
2.3 KiB
Python
Executable file
#!env python3
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import re
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import os
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import sys
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import os.path
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import argparse
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from PIL import Image
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def img2scad(filename, varname, resize, outf):
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indent = " " * 4
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im = Image.open(filename).convert('L')
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if resize:
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print("Resizing to {}x{}".format(resize[0],resize[1]))
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im = im.resize(resize)
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pix = im.load()
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width, height = im.size
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print("// Image {} ({}x{})".format(filename, width, height), file=outf)
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print("{} = [".format(varname), file=outf)
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line = indent
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for x in range(width):
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line += "[ "
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for y in range(height):
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line += "{:d}, ".format(pix[x,y])
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if len(line) > 60:
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print(line, file=outf)
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line = indent * 2
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line += " ],"
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if line != indent:
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print(line, file=outf)
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line = indent
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print("];", file=outf)
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print("", file=outf)
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def main():
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parser = argparse.ArgumentParser(prog='img2scad')
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parser.add_argument('-o', '--outfile',
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help='Output .scad file.')
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parser.add_argument('-v', '--varname',
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help='Variable to use in .scad file.')
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parser.add_argument('-r', '--resize',
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help='Resample image to WIDTHxHEIGHT.')
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parser.add_argument('infile', help='Input image file.')
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opts = parser.parse_args()
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non_alnum = re.compile(r'[^a-zA-Z0-9_]')
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if not opts.varname:
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if opts.outfile:
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opts.varname = os.path.splitext(os.path.basename(opts.outfile))[0]
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opts.varname = non_alnum.sub("", opts.varname)
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else:
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opts.varname = "image_data"
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size_pat = re.compile(r'^([0-9][0-9]*)x([0-9][0-9]*)$')
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if opts.resize:
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m = size_pat.match(opts.resize)
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if not m:
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print("Expected WIDTHxHEIGHT resize format.", file=sys.stderr)
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sys.exit(-1)
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opts.resize = (int(m.group(1)), int(m.group(2)))
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if not opts.varname or non_alnum.search(opts.varname):
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print("Bad variable name: {}".format(opts.varname), file=sys.stderr)
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sys.exit(-1)
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if opts.outfile:
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with open(opts.outfile, "w") as outf:
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img2scad(opts.infile, opts.varname, opts.resize, outf)
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else:
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img2scad(opts.infile, opts.varname, opts.resize, sys.stdout)
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sys.exit(0)
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if __name__ == "__main__":
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main()
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