ossimAnnotationGdBitmapFont.h

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//*******************************************************************
//
// License:  See top level LICENSE.txt file.
// 
// Author: Garrett Potts (gpotts@imagelinks)
// Description:
//
//*************************************************************************
// $Id: ossimAnnotationGdBitmapFont.h 15766 2009-10-20 12:37:09Z gpotts $
#ifndef ossimAnnotationGdBitmapFont_HEADER
#define ossimAnnotationGdBitmapFont_HEADER
#include <ossim/imaging/ossimAnnotationObject.h>
#include <ossim/imaging/ossimGdFont.h>
#include <ossim/imaging/ossimGdFontExterns.h>
#include <ossim/base/ossimString.h>

class OSSIMDLLEXPORT ossimAnnotationGdBitmapFont : public ossimAnnotationObject
{
public:
   ossimAnnotationGdBitmapFont(const ossimDpt& position=ossimDpt(0,0),
                               const ossimString &text=ossimString(""),
                               ossimGdFontPtr font = ossimGdFontLarge,
                               unsigned char r = 255,
                               unsigned char g = 255,
                               unsigned char b = 255,
                               long thickness = 1);
   ossimAnnotationGdBitmapFont(const ossimAnnotationGdBitmapFont& rhs);

   virtual ossimObject* dup()const
      {
         return new ossimAnnotationGdBitmapFont(*this);
      }
   
   virtual void applyScale(double x, double y);

   virtual void draw(ossimRgbImage& anImage)const;
   virtual bool intersects(const ossimDrect& rect)const
      {
         return rect.intersects(theBoundingRect);
      }
   virtual ossimAnnotationObject* getNewClippedObject(const ossimDrect& rect)const;

   virtual std::ostream& print(std::ostream& out)const;
   
   virtual void getBoundingRect(ossimDrect& rect)const;
   
   virtual void computeBoundingRect();

   virtual void setFont(ossimGdFontPtr font);

   virtual void setText(const ossimString& text);

   virtual void setCenterText(const ossimDpt& center,
                              const ossimString& text);

   virtual void setUpperLeftText(const ossimDpt& upperLeft,
                                 const ossimString& text);

   virtual void setCenterTextPosition(const ossimDpt& position);

   virtual void setUpperLeftTextPosition(const ossimDpt& position);

   virtual bool isPointWithin(const ossimDpt& imagePoint)const;
   
protected:
   virtual ~ossimAnnotationGdBitmapFont();
   ossimGdFontPtr theFontPtr;
   ossimString    theText;
   ossimDrect     theBoundingRect;

   ossimDpt       thePosition;
};

#endif