RegionCreator.h

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#ifndef REGION_REGIONCREATOR_H_
#define REGION_REGIONCREATOR_H_
#include <display/region/RegionEnums.h>
#include <display/Utilities/VOID.h>
#include <set>
#include <map>
#include <list>
#include <vector>

namespace casa {
class WorldCanvas;
namespace viewer {
class RegionCreator {
public:
    typedef std::list <RegionCreator*> creator_list_type;
    // called when the user indicates that a region should be deleted...
    virtual void revokeRegion (Region *) = 0;
    // returns the set of region types which this creator will create
    virtual const std::set <region::RegionTypes> &regionsCreated () const = 0;
    virtual bool create( region::RegionTypes /*region_type*/, WorldCanvas */*wc*/, const std::vector<std::pair <double, double> > &/*pts*/,
                         const std::string &/*label*/, viewer::region::TextPosition /*label_pos*/, const std::vector<int> &/*label_off*/,
                         const std::string &/*font*/, int /*font_size*/, int /*font_style*/, const std::string &/*font_color*/,
                         const std::string &/*line_color*/, viewer::region::LineStyle /*line_style*/, unsigned int /*line_width*/,
                         bool /*annotation*/, VOID */*region_specific_state*/ )= 0;
//                      DISPLAY_PURE_VIRTUAL(RegionCreator::create,true);

    RegionCreator ();
    virtual ~RegionCreator ();

    static const creator_list_type &findCreator (region::RegionTypes type);

private:
    typedef std::map <region::RegionTypes, creator_list_type*> creator_map_type;
    static creator_map_type creator_map;
    static creator_list_type unsorted_creators;
};

} // end namespace viewer
} // end namespace casa

#endif