118 lines
3.9 KiB
Python
118 lines
3.9 KiB
Python
from tclCommands.TclCommand import TclCommandSignaled
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import collections
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class TclCommandMirror(TclCommandSignaled):
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"""
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Tcl shell command to mirror an object.
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"""
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# array of all command aliases, to be able use
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# old names for backward compatibility (add_poly, add_polygon)
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aliases = ['mirror']
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description = '%s %s' % ("--", "Will mirror the geometry of a named object. Does not create a new object.")
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# Dictionary of types from Tcl command, needs to be ordered.
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# For positional arguments
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arg_names = collections.OrderedDict([
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('name', str)
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])
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# Dictionary of types from Tcl command, needs to be ordered.
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# For options like -optionname value
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option_types = collections.OrderedDict([
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('axis', str),
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('box', str),
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('origin', str)
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])
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# array of mandatory options for current Tcl command: required = {'name','outname'}
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required = ['name']
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# structured help for current command, args needs to be ordered
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help = {
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'main': "Will mirror the geometry of a named object. Does not create a new object.",
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'args': collections.OrderedDict([
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('name', 'Name of the object (Gerber, Geometry or Excellon) to be mirrored. Required.'),
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('axis', 'Mirror axis parallel to the X or Y axis.'),
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('box', 'Name of object which act as box (cutout for example.)'),
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('origin', 'Reference point . It is used only if the box is not used. Format (x,y).\n'
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'Comma will separate the X and Y coordinates.\n'
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'WARNING: no spaces are allowed. If uncertain enclose the two values inside parenthesis.\n'
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'See the example.')
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]),
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'examples': ['mirror obj_name -box box_geo -axis X -origin 3.2,4.7']
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}
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def execute(self, args, unnamed_args):
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"""
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Execute this TCL shell command
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:param args: array of known named arguments and options
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:param unnamed_args: array of other values which were passed into command
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without -somename and we do not have them in known arg_names
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:return: None or exception
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"""
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name = args['name']
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# Get source object.
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try:
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obj = self.app.collection.get_by_name(str(name))
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except Exception:
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return "Could not retrieve object: %s" % name
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if obj is None:
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return "Object not found: %s" % name
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if obj.kind != 'gerber' and obj.kind != 'geometry' and obj.kind != 'excellon':
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return "ERROR: Only Gerber, Excellon and Geometry objects can be mirrored."
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# Axis
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if 'axis' in args:
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try:
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axis = args['axis'].upper()
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except KeyError:
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axis = 'Y'
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else:
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axis = 'Y'
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# Box
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if 'box' in args:
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try:
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box = self.app.collection.get_by_name(args['box'])
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except Exception:
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return "Could not retrieve object: %s" % args['box']
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if box is None:
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return "Object box not found: %s" % args['box']
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try:
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xmin, ymin, xmax, ymax = box.bounds()
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px = 0.5 * (xmin + xmax)
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py = 0.5 * (ymin + ymax)
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obj.mirror(axis, [px, py])
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obj.plot()
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return
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except Exception as e:
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return "Operation failed: %s" % str(e)
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# Origin
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if 'origin' in args:
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try:
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origin_val = eval(args['origin'])
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x = float(origin_val[0])
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y = float(origin_val[1])
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except KeyError:
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x, y = (0, 0)
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except ValueError:
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return "Invalid distance: %s" % str(args['origin'])
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try:
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obj.mirror(axis, [x, y])
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except Exception as e:
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return "Operation failed: %s" % str(e)
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