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91 lines
3.1 KiB
Plaintext
Executable File
91 lines
3.1 KiB
Plaintext
Executable File
-- Created on: 1992-11-17
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-- Created by: Remi LEQUETTE
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-- Copyright (c) 1992-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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deferred generic class FaceExplorer from TopClass
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(TheEdge as any)
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---Purpose: Describe an exploration of a 2D face suitable for
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-- classification.
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uses
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Orientation from TopAbs,
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Pnt2d from gp,
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Lin2d from gp
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is
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Reject(me; P : Pnt2d from gp) returns Boolean
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---Purpose: Should return True if the point is outside a
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-- bounding volume of the face.
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is deferred;
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Segment(me; P : Pnt2d from gp;
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L : out Lin2d from gp; Par : out Real)
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---Purpose: Returns in <L>, <Par> a segment having at least
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-- one intersection with the face boundary to
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-- compute intersections.
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is deferred;
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InitWires(me : in out)
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---Purpose: Starts an exploration of the wires.
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is deferred;
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MoreWires(me) returns Boolean
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---Purpose: Returns True if there is a current wire.
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---C++: inline
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is deferred;
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NextWire(me : in out)
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---Purpose: Sets the explorer to the next wire and returns
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-- False if there are no more wires.
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is deferred;
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RejectWire(me; L : Lin2d from gp; Par : Real) returns Boolean
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---Purpose: Returns True if the wire bounding volume does not
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-- intersect the segment.
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is deferred;
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InitEdges(me : in out)
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---Purpose: Starts an exploration of the edges of the current
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-- wire.
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is deferred;
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MoreEdges(me) returns Boolean
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---Purpose: Returns True if there is a current edge.
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---C++: inline
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is deferred;
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NextEdge(me : in out)
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---Purpose: Sets the explorer to the next wire and returns
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-- False if there are no more wires.
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is deferred;
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RejectEdge(me; L : Lin2d from gp; Par : Real) returns Boolean
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---Purpose: Returns True if the edge bounding volume does not
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-- intersect the segment.
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is deferred;
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CurrentEdge(me; E : out TheEdge; Or : out Orientation from TopAbs)
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---Purpose: Curent edge in current wire and its orientation
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is deferred;
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end FaceExplorer;
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