109 lines
3.3 KiB
Python
109 lines
3.3 KiB
Python
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from ObjectCollection import *
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from tclCommands.TclCommand import TclCommandSignaled
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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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# 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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('dist', float)
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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', 'axis']
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# structured help for current command, args needs to be ordered
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help = {
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'main': "Opens an Excellon file.",
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'args': collections.OrderedDict([
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('name', 'Name of the object (Gerber or Excellon) to mirror.'),
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('box', 'Name of object which act as box (cutout for example.)'),
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('axis', 'Mirror axis parallel to the X or Y axis.'),
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('dist', 'Distance of the mirror axis to the X or Y axis.')
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]),
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'examples': []
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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:
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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 not isinstance(obj, FlatCAMGerber) and \
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not isinstance(obj, FlatCAMExcellon) and \
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not isinstance(obj, FlatCAMGeometry):
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return "ERROR: Only Gerber, Excellon and Geometry objects can be mirrored."
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# Axis
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try:
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axis = args['axis'].upper()
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except KeyError:
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return "ERROR: Specify -axis X or -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:
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return "Could not retrieve object box: %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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except Exception as e:
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return "Operation failed: %s" % str(e)
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else:
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try:
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dist = float(args['dist'])
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except KeyError:
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dist = 0.0
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except ValueError:
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return "Invalid distance: %s" % args['dist']
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try:
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obj.mirror(axis, [dist, dist])
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obj.plot()
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except Exception as e:
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return "Operation failed: %s" % str(e)
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