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#!/usr/bin/env python3
import gerbolyze
if __name__ == '__main__':
# Parse command line arguments
import argparse
parser = argparse.ArgumentParser()
subcommand = parser.add_subparsers(help='Sub-commands')
subcommand.required, subcommand.dest = True, 'command'
vectorize_parser = subcommand.add_parser('vectorize', help='Vectorize bitmap image onto gerber layer')
render_parser = subcommand.add_parser('render', help='Render bitmap preview of board suitable as a template for positioning and scaling the input image')
parser.add_argument('-d', '--debugdir', type=str, default=None, help='Directory to place intermediate images into for debuggin')
vectorize_parser.add_argument('side', choices=['top', 'bottom'], help='Target board side')
vectorize_parser.add_argument('--layer', '-l', choices=['silk', 'mask', 'copper'], default='silk', help='Target layer on given side')
vectorize_parser.add_argument('--exact', '-x', action='store_true', default=False, help='Do not subtract existing features on other layers from overlay')
vectorize_parser.add_argument('source', help='Source gerber directory')
vectorize_parser.add_argument('target', help='Target gerber directory')
vectorize_parser.add_argument('image', help='Image to render')
render_parser.add_argument('--fab-resolution', '-r', type=float, nargs='?', default=6.0, help='Smallest feature size supported by PCB manufacturer, in mil. On silkscreen layers, this is the minimum font stroke width.')
render_parser.add_argument('--oversampling', '-o', type=float, nargs='?', default=10, help='Oversampling factor for the image. If set to say, 10 pixels, one minimum feature size (see --fab-resolution) will be 10 pixels long. The input image for vectorization should not contain any detail of smaller pixel size than this number in order to be manufacturable.')
render_parser.add_argument('side', choices=['top', 'bottom'], help='Target board side')
render_parser.add_argument('source', help='Source gerber directory')
render_parser.add_argument('image', help='Output image filename')
args = parser.parse_args()
if args.command == 'vectorize':
gerbolyze.process_gerbers(args.source, args.target, args.image, args.side, args.layer, args.exact, args.debugdir)
else: # command == render
gerbolyze.render_preview(args.source, args.image, args.side, args.fab_resolution, args.oversampling)
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