67 lines
2.1 KiB
Python
67 lines
2.1 KiB
Python
from ObjectCollection import *
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import TclCommand
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class TclCommandSubtractRectangle(TclCommand.TclCommandSignaled):
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"""
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Tcl shell command to subtract a rectange from the given Geometry object.
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"""
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# array of all command aliases, to be able use old names for backward compatibility (add_poly, add_polygon)
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aliases = ['subtract_rectangle']
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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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('x0', float),
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('y0', float),
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('x1', float),
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('y1', float)
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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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])
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# array of mandatory options for current Tcl command: required = {'name','outname'}
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required = ['name', 'x0', 'y0', 'x1', 'y1']
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# structured help for current command, args needs to be ordered
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help = {
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'main': "Subtract rectange from the given Geometry object.",
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'args': collections.OrderedDict([
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('name', 'Name of the Geometry object from which to subtract.'),
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('x0 y0', 'Bottom left corner coordinates.'),
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('x1 y1', 'Top right corner coordinates.')
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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 current 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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obj_name = args['name']
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x0 = args['x0']
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y0 = args['y0']
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x1 = args['x1']
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y1 = args['y1']
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try:
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obj = self.app.collection.get_by_name(str(obj_name))
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except:
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return "Could not retrieve object: %s" % obj_name
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if obj is None:
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return "Object not found: %s" % obj_name
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obj.subtract_polygon([(x0, y0), (x1, y0), (x1, y1), (x0, y1)])
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