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#ifndef POLYSETEVALUATOR_H_
#define POLYSETEVALUATOR_H_
#include "myqhash.h"
#include "node.h"
#include <QCache>
class PolySetEvaluator
{
public:
enum EvaluateMode { EVALUATE_CGAL, EVALUATE_OPENCSG };
PolySetEvaluator() : cache(100) {}
virtual ~PolySetEvaluator() {}
virtual PolySet *evaluatePolySet(const class ProjectionNode &, AbstractPolyNode::render_mode_e) = 0;
virtual PolySet *evaluatePolySet(const class DxfLinearExtrudeNode &, AbstractPolyNode::render_mode_e) = 0;
virtual PolySet *evaluatePolySet(const class DxfRotateExtrudeNode &, AbstractPolyNode::render_mode_e) = 0;
virtual PolySet *evaluatePolySet(const class CgaladvNode &, AbstractPolyNode::render_mode_e) = 0;
void clearCache() {
this->cache.clear();
}
protected:
struct cache_entry {
class PolySet *ps;
QString msg;
cache_entry(PolySet *ps);
~cache_entry();
};
QCache<std::string, cache_entry> cache;
private:
static PolySetEvaluator *global_evaluator;
};
#endif
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