3 files changed, 57 insertions, 0 deletions
diff --git a/nextus/src/lineClipper.cpp b/nextus/src/lineClipper.cpp
new file mode 100644
index 0000000..bbfa9eb
--- /dev/null
+++ b/nextus/src/lineClipper.cpp
@@ -0,0 +1,33 @@
+#include "lineClipper.h"
+
+vector <colourPolyline> lineClipper::mask(
+	vector <colourPolyline> shapes,
+	vector <ofPolyline> mask,
+	bool invert
+	)
+{
+	vector <colourPolyline> output;
+
+	ofx::Clipper clipper;
+		
+	for (auto& shape: shapes)
+    {	
+    	clipper.Clear();
+		clipper.addPolylines(mask, ClipperLib::ptClip);
+		vector <ofPolyline> polys; //TODO make clipper clip colourpolylines
+    	shapes.push_back(shape);
+    	clipper.addPolylines(polys,ClipperLib::ptSubject);
+		vector <ofPolyline> clipped;
+		if (invert){
+			clipped = clipper.getClipped(ClipperLib::ctDifference);
+		}else {
+			clipped = clipper.getClipped(ClipperLib::ctIntersection);
+		}
+		for (auto& clip: clipped)
+	    {
+	    	//clip.simplify(contour_simplify);
+	        output.push_back(colourPolyline(clip,shape.getColourAt(0)));
+	    }
+    }
+    return output;
+}
+\ No newline at end of file
diff --git a/nextus/src/lineClipper.h b/nextus/src/lineClipper.h
new file mode 100644
index 0000000..d8b7fdd
--- /dev/null
+++ b/nextus/src/lineClipper.h
@@ -0,0 +1,19 @@
+#pragma once
+
+#include "ofMain.h"
+#include "ofxClipper.h"
+
+#include "colourPolyline.h"
+
+
+class lineClipper {
+	public:
+		lineClipper(){
+		}
+		vector <colourPolyline> static mask(
+			vector <colourPolyline> shapes,
+			vector <ofPolyline> mask,
+			bool invert=false);
+};
+		
+		
+\ No newline at end of file
diff --git a/nextus/src/vectorPlugin.h b/nextus/src/vectorPlugin.h
index 047d836..3d01d07 100644
--- a/nextus/src/vectorPlugin.h
+++ b/nextus/src/vectorPlugin.h
@@ -7,6 +7,7 @@
 #include "ofxPONK.h"
 #include "lineTransformer.h"
 #include "lineSegmenter.h"
+#include "lineClipper.h"
 #include "vectorText.h"
 
 static ofVec2f DISPLAYSIZE(200,200);
@@ -39,6 +40,9 @@ class vectorPanel {
 			ofPopMatrix();
 			ofPopMatrix();
 		}
+		vector<colourPolyline> clipOutput() {
+			return getOut();
+		};
 		vector<colourPolyline> getOutput() {return getLines();};
 		virtual vector<colourPolyline> getLines() {};
 		virtual void update() {};
@@ -47,6 +51,7 @@ class vectorPanel {
 		ofVec2f size;
 		ofPoint position;
 		ofxPanel panel;
+		vector <ofPolyline> frame;
 };
 
 class defaultPanel: public vectorPanel{