ossimPolyCutter.h

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//*******************************************************************
// Copyright (C) 2000 ImageLinks Inc. 
//
// License:  MIT
// 
// See LICENSE.txt file in the top level directory for more details.
//
// Author: Garrett Potts
//
//*************************************************************************
// $Id: ossimPolyCutter.h 19907 2011-08-05 19:55:46Z dburken $
#ifndef ossimPolyCutter_HEADER
#define ossimPolyCutter_HEADER
#include <ossim/imaging/ossimImageSourceFilter.h>
#include <ossim/base/ossimPolygon.h>
#include <ossim/imaging/ossimImageDataHelper.h>
#include <vector>

//class ossimPolyArea2d;
class ossimImageData;

class OSSIMDLLEXPORT ossimPolyCutter : public ossimImageSourceFilter
{
public:
   enum ossimPolyCutterCutType
   {
      OSSIM_POLY_NULL_INSIDE  = 0,
      OSSIM_POLY_NULL_OUTSIDE = 1
   };
   
   ossimPolyCutter();
    ossimPolyCutter(ossimImageSource* inputSource,
                    const ossimPolygon& polygon);

   virtual ossimRefPtr<ossimImageData> getTile(const ossimIrect& tileRect,
                                               ossim_uint32 resLevel=0);
   
   virtual ossimIrect getBoundingRect(ossim_uint32 resLevel=0)const;

   virtual void initialize();
   virtual bool saveState(ossimKeywordlist& kwl,
                          const char* prefix=0)const;
   
   virtual bool loadState(const ossimKeywordlist& kwl,
                          const char* prefix=0);

   virtual void setPolygon(const vector<ossimDpt>& polygon,
                           ossim_uint32 i = 0);
   
   virtual void setPolygon(const vector<ossimIpt>& polygon,
                           ossim_uint32 i = 0);
   
   virtual void addPolygon(const vector<ossimIpt>& polygon);
   virtual void addPolygon(const vector<ossimDpt>& polygon);
   virtual void addPolygon(const ossimPolygon& polygon);
   
   virtual void setNumberOfPolygons(ossim_uint32 count);
   
   virtual std::vector<ossimPolygon>& getPolygonList();

   virtual const std::vector<ossimPolygon>& getPolygonList()const;
   
   void setCutType(ossimPolyCutterCutType cutType);
   
   ossimPolyCutterCutType getCutType()const;

   void clear();

   const ossimIrect& getRectangle() const;

   void setRectangle(const ossimIrect& rect);
   
   virtual void setProperty(ossimRefPtr<ossimProperty> property);
   virtual ossimRefPtr<ossimProperty> getProperty(const ossimString& name)const;
   virtual void getPropertyNames(std::vector<ossimString>& propertyNames)const;
protected:
   virtual ~ossimPolyCutter();

   void allocate();
   void computeBoundingRect();

   ossimRefPtr<ossimImageData> theTile;

   ossimIrect theBoundingRect;

   std::vector<ossimPolygon> thePolygonList;

   ossimPolyCutterCutType theCutType;
   ossimImageDataHelper theHelper;
   bool m_boundingOverwrite;

TYPE_DATA  
};
#endif /* #ifndef ossimPolyCutter_HEADER */