Add `clone()` and `deleteSurface()` methods to `BaseSurface`

src/Surfaces/BaseSurface.h

@@ -30,6 +30,8 @@ class BaseSurface {
 		virtual ofPolyline getTextureHitArea(){}
 		virtual vector <ofVec3f> & getVertices(){}
 		virtual vector <ofVec2f> & getTexCoords(){}
+	
+		virtual BaseSurface * clone(){}
 
 		void drawTexture(ofVec2f position);
 		void setSource(BaseSource * newSource);

src/Surfaces/GridWarpSurface.cpp

@@ -160,6 +160,18 @@ void GridWarpSurface::setVertices(vector<ofVec2f> v){
 	ofNotifyEvent(verticesChangedEvent, mesh.getVertices(), this);
 }
 
+void GridWarpSurface::setVertices(vector<ofVec3f> v){
+	if(v.size() != mesh.getVertices().size()){
+		throw runtime_error("Wrong number of vertices");
+	}
+	
+	for(int i = 0; i < v.size(); ++i){
+		mesh.setVertex(i, v[i]);
+	}
+	
+	ofNotifyEvent(verticesChangedEvent, mesh.getVertices(), this);
+}
+
 void GridWarpSurface::setTexCoord(int index, ofVec2f t){
 	if(index >= mesh.getVertices().size()){
 		throw runtime_error("Texture coordinate with provided index does not exist");
@@ -231,7 +243,13 @@ void GridWarpSurface::createGridMesh(){
 	ofNotifyEvent(verticesChangedEvent, mesh.getVertices(), this);
 }
 
-
+BaseSurface * GridWarpSurface::clone(){
+	GridWarpSurface * s = new GridWarpSurface();
+	s->setVertices(getVertices());
+	s->setTexCoords(getTexCoords());
+	s->setSource(getSource());
+	return s;
+}
 
 } // namespace piMapper
 } // namespace ofx

src/Surfaces/GridWarpSurface.h

@@ -28,12 +28,15 @@ class GridWarpSurface : public BaseSurface {
 
 		void setVertex(int index, ofVec2f p);
 		void setVertices(vector<ofVec2f> v);
+		void setVertices(vector<ofVec3f> v);
 		void setTexCoord(int index, ofVec2f t);
 		void setTexCoords(vector<ofVec2f> t);
 		vector <ofVec3f> & getVertices();
 		vector <ofVec2f> & getTexCoords();
 	
 		void createGridMesh();
+	
+		BaseSurface * clone();
 
 	private:
 		int _gridCols;

src/Surfaces/QuadSurface.cpp

@@ -114,6 +114,18 @@ void QuadSurface::setVertices(vector<ofVec2f> v){
 	ofNotifyEvent(verticesChangedEvent, mesh.getVertices(), this);
 }
 
+void QuadSurface::setVertices(vector<ofVec3f> v){
+	if(v.size() != 4){
+		throw runtime_error("Wrong number of vertices");
+	}
+	
+	for(int i = 0; i < 4; ++i){
+		mesh.setVertex(i, v[i]);
+	}
+	
+	ofNotifyEvent(verticesChangedEvent, mesh.getVertices(), this);
+}
+
 void QuadSurface::setTexCoord(int index, ofVec2f t){
 	if(index > 3){
 		ofLog() << "Texture coordinate with this index does not exist: " << index
@@ -277,5 +289,13 @@ ofRectangle QuadSurface::getMeshBoundingBox(){
 	return boundingBox;
 }
 
+BaseSurface * QuadSurface::clone(){
+	QuadSurface * s = new QuadSurface();
+	s->setVertices(getVertices());
+	s->setTexCoords(getTexCoords());
+	s->setSource(getSource());
+	return s;
+}
+
 } // namespace piMapper
 } // namespace ofx

src/Surfaces/QuadSurface.h

@@ -22,6 +22,7 @@ class QuadSurface : public BaseSurface {
 	
 		void setVertex(int index, ofVec2f p);
 		void setVertices(vector<ofVec2f> v);
+		void setVertices(vector<ofVec3f> v);
 	
 		void setTexCoord(int index, ofVec2f t);
 		void setTexCoords(vector<ofVec2f> t);
@@ -41,6 +42,8 @@ class QuadSurface : public BaseSurface {
 		bool getPerspectiveWarping();
 	
 		ofRectangle getMeshBoundingBox();
+	
+		BaseSurface * clone();
 
 	private:
 		void calculateHomography();

src/Surfaces/TriangleSurface.cpp

@@ -79,6 +79,18 @@ void TriangleSurface::setVertices(vector<ofVec2f> v){
 	ofNotifyEvent(verticesChangedEvent, mesh.getVertices(), this);
 }
 
+void TriangleSurface::setVertices(vector<ofVec3f> v){
+	if(v.size() != 3){
+		throw runtime_error("Wrong number of vertices");
+	}
+	
+	for(int i = 0; i < 3; ++i){
+		mesh.setVertex(i, v[i]);
+	}
+	
+	ofNotifyEvent(verticesChangedEvent, mesh.getVertices(), this);
+}
+
 void TriangleSurface::setTexCoord(int index, ofVec2f t){
 	if(index > 2){
 		ofLog() << "Texture coordinate with this index does not exist: " << index
@@ -173,5 +185,13 @@ vector <ofVec2f> & TriangleSurface::getTexCoords(){
 	return mesh.getTexCoords();
 }
 
+BaseSurface * TriangleSurface::clone(){
+	TriangleSurface * s = new TriangleSurface();
+	s->setVertices(getVertices());
+	s->setTexCoords(getTexCoords());
+	s->setSource(getSource());
+	return s;
+}
+
 } // namespace piMapper
 } // namespace ofx

src/Surfaces/TriangleSurface.h

@@ -19,6 +19,7 @@ class TriangleSurface : public BaseSurface {
 	
 		void setVertex(int index, ofVec2f p);
 		void setVertices(vector<ofVec2f> v);
+		void setVertices(vector<ofVec3f> v);
 	
 		void setTexCoord(int index, ofVec2f t);
 		void setTexCoords(vector<ofVec2f> t);
@@ -33,6 +34,8 @@ class TriangleSurface : public BaseSurface {
 		ofPolyline getTextureHitArea();
 		vector <ofVec3f> & getVertices();
 		vector <ofVec2f> & getTexCoords();
+	
+		BaseSurface * clone();
 };
 
 } // namespace piMapper