From 8204a7a5250e06c7afc114d4bfedf5af1f4b0ba9 Mon Sep 17 00:00:00 2001
From: Marko Luukkainen <marko.luukkainen@semantum.fi>
Date: Tue, 16 Jul 2019 19:07:54 +0300
Subject: [PATCH] Support for fillets and chamfers

gitlab #9

Change-Id: I69c0ec1c538d9eb2dfa83c8f88bf6a0faa881fb8
---
 .../opencascade/OccTriangulator.java          | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/org.simantics.opencascade/src/org/simantics/opencascade/OccTriangulator.java b/org.simantics.opencascade/src/org/simantics/opencascade/OccTriangulator.java
index 5226eb83..aca1f438 100644
--- a/org.simantics.opencascade/src/org/simantics/opencascade/OccTriangulator.java
+++ b/org.simantics.opencascade/src/org/simantics/opencascade/OccTriangulator.java
@@ -17,11 +17,15 @@ import org.jcae.opencascade.jni.BRepBuilderAPI_MakeEdge;
 import org.jcae.opencascade.jni.BRepBuilderAPI_MakeFace;
 import org.jcae.opencascade.jni.BRepBuilderAPI_MakeWire;
 import org.jcae.opencascade.jni.BRepBuilderAPI_Transform;
+import org.jcae.opencascade.jni.BRepFilletAPI_MakeChamfer;
+import org.jcae.opencascade.jni.BRepFilletAPI_MakeFillet;
 import org.jcae.opencascade.jni.BRepPrimAPI_MakePrism;
 import org.jcae.opencascade.jni.BRepPrimAPI_MakeTorus;
 import org.jcae.opencascade.jni.BRep_Builder;
 import org.jcae.opencascade.jni.GP_Elips;
 import org.jcae.opencascade.jni.GP_Trsf;
+import org.jcae.opencascade.jni.TopAbs_ShapeEnum;
+import org.jcae.opencascade.jni.TopExp_Explorer;
 import org.jcae.opencascade.jni.TopoDS_Edge;
 import org.jcae.opencascade.jni.TopoDS_Face;
 import org.jcae.opencascade.jni.TopoDS_Shape;
@@ -317,6 +321,49 @@ public class OccTriangulator {
         F.delete();
         return shape;
     }
+    
+    public static TopoDS_Shape makeFillet(TopoDS_Shape shape, double r) {
+    	BRepFilletAPI_MakeFillet fillet = new BRepFilletAPI_MakeFillet(shape);
+    	
+    	TopExp_Explorer exp = new TopExp_Explorer(shape, TopAbs_ShapeEnum.EDGE);
+    	while (exp.more()) {
+    		TopoDS_Edge e = (TopoDS_Edge) exp.current();
+    		fillet.add(r, e);
+    		e.delete();
+    		exp.next();
+    	}
+    	TopoDS_Shape result = fillet.shape();
+    	exp.delete();
+    	shape.delete();
+    	fillet.delete();
+    	return result;
+    	
+    }
+    
+    public static TopoDS_Shape makeChamfer(TopoDS_Shape shape, double d) {
+    	BRepFilletAPI_MakeChamfer fillet = new BRepFilletAPI_MakeChamfer(shape);
+    	
+    	TopExp_Explorer exp = new TopExp_Explorer(shape, TopAbs_ShapeEnum.FACE);
+    	while (exp.more()) {
+    		TopoDS_Face f = (TopoDS_Face) exp.current();
+    		TopExp_Explorer exp2 = new TopExp_Explorer(f, TopAbs_ShapeEnum.EDGE);
+    		while (exp2.more()) { 
+    			TopoDS_Edge e = (TopoDS_Edge) exp2.current();
+    			fillet.add(d, e, f);
+    			exp2.next();
+    			e.delete();
+    		}
+    		exp2.delete();
+    		f.delete();
+    		exp.next();
+    	}
+    	TopoDS_Shape result = fillet.shape();
+    	exp.delete();
+    	shape.delete();
+    	fillet.delete();
+    	return result;
+    	
+    }
  
 
     public static void exportBREP(TopoDS_Shape shape, String filename) {
-- 
2.47.1