66d9ddd402
- modified the Tcl Commands to be able to use as boolean values keywords with lower case like 'false' instead of expected 'False'
107 lines
3.7 KiB
Python
107 lines
3.7 KiB
Python
import collections
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from tclCommands.TclCommand import TclCommand
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from FlatCAMObj import FlatCAMGeometry, FlatCAMGerber
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from shapely.ops import cascaded_union
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import gettext
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import FlatCAMTranslation as fcTranslate
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import builtins
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fcTranslate.apply_language('strings')
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if '_' not in builtins.__dict__:
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_ = gettext.gettext
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class TclCommandBbox(TclCommand):
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"""
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Tcl shell command to follow a Gerber file
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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 = ['bounding_box', 'bbox']
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description = '%s %s' % ("--", "Creates a rectangular Geometry object that surrounds the object.")
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# dictionary of types from Tcl command, needs to be ordered
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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 , this is for options like -optionname value
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option_types = collections.OrderedDict([
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('outname', str),
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('margin', float),
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('rounded', 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': "Creates a rectangular Geometry object that surrounds the object.",
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'args': collections.OrderedDict([
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('name', 'Object name for which to create bounding box. String'),
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('margin', "Distance of the edges of the box to the nearest polygon."
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"Float number."),
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('rounded', "If the bounding box is to have rounded corners their radius is equal to the margin. "
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"True (1) or False (0)."),
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('outname', 'Name of the resulting Geometry object. String.')
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]),
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'examples': ['bbox name -outname name_bbox']
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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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name = args['name']
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if 'outname' not in args:
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args['outname'] = name + "_bbox"
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obj = self.app.collection.get_by_name(name)
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if obj is None:
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self.raise_tcl_error("%s: %s" % (_("Object not found"), name))
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if not isinstance(obj, FlatCAMGerber) and not isinstance(obj, FlatCAMGeometry):
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self.raise_tcl_error('%s %s: %s.' % (
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_("Expected FlatCAMGerber or FlatCAMGeometry, got"), name, type(obj)))
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if 'margin' not in args:
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args['margin'] = float(self.app.defaults["gerber_bboxmargin"])
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margin = args['margin']
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if 'rounded' in args:
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try:
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par = args['rounded'].capitalize()
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except AttributeError:
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par = args['rounded']
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rounded = bool(eval(par))
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else:
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rounded = bool(eval(self.app.defaults["gerber_bboxrounded"]))
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del args['name']
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try:
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def geo_init(geo_obj, app_obj):
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assert isinstance(geo_obj, FlatCAMGeometry)
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# Bounding box with rounded corners
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geo = cascaded_union(obj.solid_geometry)
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bounding_box = geo.envelope.buffer(float(margin))
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if not rounded: # Remove rounded corners
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bounding_box = bounding_box.envelope
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geo_obj.solid_geometry = bounding_box
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self.app.new_object("geometry", args['outname'], geo_init, plot=False)
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except Exception as e:
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return "Operation failed: %s" % str(e)
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