Added CGALRenderer + some minor fixes

1 files changed, 48 insertions, 0 deletions

diff --git a/src/CGALRenderer.h b/src/CGALRenderer.h
new file mode 100644
index 0000000..b30a24b
--- /dev/null
+++ b/src/CGALRenderer.h
@@ -0,0 +1,48 @@
+#ifndef CGALRENDERER_H_
+#define CGALRENDERER_H_
+
+#include <string>
+#include <map>
+#include <list>
+#include "visitor.h"
+#include "nodecache.h"
+
+using std::string;
+using std::map;
+using std::list;
+using std::pair;
+
+class CGALRenderer : public Visitor
+{
+public:
+	enum CsgOp {UNION, INTERSECTION, DIFFERENCE, MINKOWSKI};
+	CGALRenderer(const NodeCache<string> &dumpcache) : root(NULL), dumpcache(dumpcache) {}
+  virtual ~CGALRenderer() {}
+
+  virtual Response visit(const State &state, const AbstractNode &node);
+	virtual Response visit(const State &state, const AbstractIntersectionNode &node);
+	virtual Response visit(const State &state, const CsgNode &node);
+	virtual Response visit(const State &state, const TransformNode &node);
+	virtual Response visit(const State &state, const AbstractPolyNode &node);
+
+	string getCGALMesh() const;
+// 	CGAL_Nef_polyhedron getCGALMesh() const;
+private:
+  void handleVisitedChildren(const State &state, const AbstractNode &node);
+  bool isCached(const AbstractNode &node);
+	QString mk_cache_id(const AbstractNode &node) const;
+	void process(string &target, const string &src, CGALRenderer::CsgOp op);
+	void applyToChildren(const AbstractNode &node, CGALRenderer::CsgOp op);
+
+  string currindent;
+  const AbstractNode *root;
+  typedef list<pair<const AbstractNode *, QString> > ChildList;
+  map<int, ChildList> visitedchildren;
+//	hashmap<string, CGAL_Nef_polyhedron> cache;
+
+  // For now use strings instead of Nef polyhedrons for testing caching
+	QHash<QString, string> cache;
+	const NodeCache<string> &dumpcache;
+};
+
+#endif