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@@ -0,0 +1,95 @@
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+from ObjectCollection import *
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+from tclCommands.TclCommand import TclCommand
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+import gettext
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+import FlatCAMTranslation as fcTranslate
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+import builtins
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+
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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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+
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+
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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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+
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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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+
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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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+
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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', bool)
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+ ])
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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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+
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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 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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+ ('outname', 'Name of the resulting Geometry object. 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 or False.")
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+ ]),
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+ 'examples': ['bbox name -outname name_bbox']
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+ }
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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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+
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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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+
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+ name = args['name']
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+
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+ if 'outname' not in args:
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+ args['outname'] = name + "_bbox"
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+
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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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+
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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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+
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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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+
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+ if 'rounded' not in args:
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+ args['rounded'] = self.app.defaults["gerber_bboxrounded"]
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+ rounded = args['rounded']
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+
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+ del args['name']
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+
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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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+
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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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+
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+ self.app.new_object("geometry", args['outname'], geo_init)
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+ except Exception as e:
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+ return "Operation failed: %s" % str(e)
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Marius Stanciu