ossimAnnotationMultiLineObject Class Reference

#include <ossimAnnotationMultiLineObject.h>

Inheritance diagram for ossimAnnotationMultiLineObject:

Public Member Functions
	ossimAnnotationMultiLineObject ()
	ossimAnnotationMultiLineObject (const std::vector< ossimPolyLine > &lineList, unsigned char r=255, unsigned char g=255, unsigned char b=255, long thickness=1)
	ossimAnnotationMultiLineObject (const ossimPolyLine &lineList, unsigned char r=255, unsigned char g=255, unsigned char b=255, long thickness=1)
	ossimAnnotationMultiLineObject (const ossimAnnotationMultiLineObject &rhs)
virtual ossimObject *	dup () const
virtual void	applyScale (double x, double y)
virtual ossimAnnotationObject *	getNewClippedObject (const ossimDrect &rect) const
virtual bool	intersects (const ossimDrect &rect) const
virtual void	draw (ossimRgbImage &anImage) const
virtual std::ostream &	print (std::ostream &out) const
	Generic print method. More...
virtual void	getBoundingRect (ossimDrect &rect) const
virtual bool	isPointWithin (const ossimDpt &imagePoint) const
virtual void	computeBoundingRect ()
virtual const vector< ossimPolyLine > &	getPolyLineList () const
virtual vector< ossimPolyLine > &	getPolyLineList ()
virtual void	setPolyLine (const ossimPolyLine &line)
Public Member Functions inherited from ossimAnnotationObject
virtual	~ossimAnnotationObject ()
	ossimAnnotationObject (ossim_uint8 r=255, ossim_uint8 g=255, ossim_uint8 b=255, ossim_uint8 thickness=1)
virtual void	applyScale (const ossimDpt &scale)
virtual ossimDrect	getBoundingRect () const
virtual void	setColor (ossim_uint8 r, ossim_uint8 g, ossim_uint8 b)
void	getColor (ossim_uint8 &r, ossim_uint8 &g, ossim_uint8 &b) const
ossim_uint8	getThickness () const
virtual void	setThickness (ossim_uint8 thickness)
virtual bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
	Saves the current state of this object. More...
virtual bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)
	Method to the load (recreate) the state of an object from a keyword list. More...
virtual ossimString	getName () const
virtual void	setName (const ossimString &name)
ossim_uint32	getId () const
virtual ossim_uint32	setId ()
Public Member Functions inherited from ossimObject
	ossimObject ()
virtual	~ossimObject ()
virtual ossimString	getShortName () const
virtual ossimString	getLongName () const
virtual ossimString	getDescription () const
virtual ossimString	getClassName () const
virtual RTTItypeid	getType () const
virtual bool	canCastTo (ossimObject *obj) const
virtual bool	canCastTo (const RTTItypeid &id) const
virtual bool	canCastTo (const ossimString &parentClassName) const
virtual bool	isEqualTo (const ossimObject &obj, ossimCompareType compareType=OSSIM_COMPARE_FULL) const
virtual void	accept (ossimVisitor &visitor)
Public Member Functions inherited from ossimReferenced
	ossimReferenced ()
	ossimReferenced (const ossimReferenced &)
ossimReferenced &	operator= (const ossimReferenced &)
void	ref () const
	increment the reference count by one, indicating that this object has another pointer which is referencing it. More...
void	unref () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...
void	unref_nodelete () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...
int	referenceCount () const

Protected Attributes
vector< ossimPolyLine >	thePolyLineList
ossimDrect	theBoundingRect
Protected Attributes inherited from ossimAnnotationObject
ossim_uint8	theRed
ossim_uint8	theGreen
ossim_uint8	theBlue
ossim_uint8	theThickness
ossimString	theName
ossim_uint32	theId

Additional Inherited Members
Static Public Member Functions inherited from ossimAnnotationObject
static ossim_uint32	getNextId ()
static void	restIdCounter ()
Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()
Static Protected Attributes inherited from ossimAnnotationObject
static ossim_uint32	theIdCounter = 0

Detailed Description

Definition at line 15 of file ossimAnnotationMultiLineObject.h.

Constructor & Destructor Documentation

ossimAnnotationMultiLineObject() [1/4]

ossimAnnotationMultiLineObject::ossimAnnotationMultiLineObject

(

)

Referenced by getNewClippedObject().

ossimAnnotationMultiLineObject() [2/4]

ossimAnnotationMultiLineObject::ossimAnnotationMultiLineObject ( const std::vector< ossimPolyLine > &  lineList, unsigned char  r = 255, unsigned char  g = 255, unsigned char  b = 255, long  thickness = 1  )

inline

Definition at line 19 of file ossimAnnotationMultiLineObject.h.

References ossimAnnotationObject::computeBoundingRect().

      :ossimAnnotationObject(r, g, b, thickness),
       thePolyLineList(lineList)
      {
         computeBoundingRect();
      }

ossimAnnotationMultiLineObject() [3/4]

ossimAnnotationMultiLineObject::ossimAnnotationMultiLineObject ( const ossimPolyLine &  lineList, unsigned char  r = 255, unsigned char  g = 255, unsigned char  b = 255, long  thickness = 1  )

inline

Definition at line 30 of file ossimAnnotationMultiLineObject.h.

References ossimAnnotationObject::computeBoundingRect().

      :ossimAnnotationObject(r, g, b, thickness)
      {
         thePolyLineList.push_back(lineList);
         computeBoundingRect();
      }

ossimAnnotationMultiLineObject() [4/4]

ossimAnnotationMultiLineObject::ossimAnnotationMultiLineObject ( const ossimAnnotationMultiLineObject &  rhs )

inline

Definition at line 42 of file ossimAnnotationMultiLineObject.h.

      :ossimAnnotationObject(rhs),
       thePolyLineList(rhs.thePolyLineList),
       theBoundingRect(rhs.theBoundingRect)
      {
      }

Member Function Documentation

applyScale()

void ossimAnnotationMultiLineObject::applyScale ( double  x, double  y  )

virtual

Implements ossimAnnotationObject.

Definition at line 87 of file ossimAnnotationMultiLineObject.cpp.

References theBoundingRect, thePolyLineList, x, and y.

Referenced by ossimGeoAnnotationPolyLineObject::applyScale().

{
   for(ossim_uint32 i=0; i < thePolyLineList.size(); ++i)
   {
      vector<ossimDpt>& vList = thePolyLineList[i].getVertexList();
      
      for(ossim_uint32 i2 = 0; i2 < vList.size(); ++i2)
      {
         vList[i].x *= x;
         vList[i].y *= y;
         vList[i].x *= x;
         vList[i].y *= y;
      }
   }
   theBoundingRect *= ossimDpt(x, y);
}

computeBoundingRect()

void ossimAnnotationMultiLineObject::computeBoundingRect ( )

virtual

Implements ossimAnnotationObject.

Definition at line 156 of file ossimAnnotationMultiLineObject.cpp.

References ossimDrect::combine(), ossimDrect::hasNans(), ossimDrect::makeNan(), theBoundingRect, and thePolyLineList.

Referenced by ossimGeoAnnotationPolyLineObject::computeBoundingRect(), and ossimGeoAnnotationPolyLineObject::transform().

{
   theBoundingRect.makeNan();
   
   if(thePolyLineList.size() == 1)
   {
      theBoundingRect = thePolyLineList[0].getBoundingRect();
   }
   else if(thePolyLineList.size() > 1)
   {
      for(ossim_uint32 i = 0; i < thePolyLineList.size(); ++i)
      {
         ossimDrect rect = thePolyLineList[i].getBoundingRect();
         if(theBoundingRect.hasNans())
         {
            theBoundingRect = rect;
         }
         else if(!rect.hasNans())
         {
            theBoundingRect = theBoundingRect.combine(rect);
         }
      }
   }
}

draw()

void ossimAnnotationMultiLineObject::draw ( ossimRgbImage &  anImage ) const

virtual

Implements ossimAnnotationObject.

Definition at line 18 of file ossimAnnotationMultiLineObject.cpp.

References ossimRgbImage::drawLine(), ossimRgbImage::getImageData(), ossimImageData::getImageRectangle(), ossimDrect::intersects(), ossimDrect::lr(), ossimRgbImage::setDrawColor(), ossimRgbImage::setThickness(), ossimAnnotationObject::theBlue, theBoundingRect, ossimAnnotationObject::theGreen, thePolyLineList, ossimAnnotationObject::theRed, ossimAnnotationObject::theThickness, ossimDrect::ul(), ossimRefPtr< T >::valid(), ossimDpt::x, and ossimDpt::y.

Referenced by ossimGeoAnnotationPolyLineObject::draw().

{
   if(anImage.getImageData().valid())
   {
      anImage.setDrawColor(theRed, theGreen, theBlue);
      anImage.setThickness(theThickness);
      ossimDrect imageRect = anImage.getImageData()->getImageRectangle();

      
      
      if(theBoundingRect.intersects(imageRect))
      {
         // we need to extend it by a couple of pixels since
         // if a pixel lies on the edge and then another pixel is just off
         // the edge we will get a stair step and so for several pixels
         // the line might be inside the image rectangle but the clip
         // algorithm will only draw 1 pixel since it thinks the first
         // point is inside and the second point is outside and will
         // execute the clip algorithm keeping only the first
         // point.
         ossimDrect clipRect(imageRect.ul().x - 10,
                             imageRect.ul().y - 10,
                             imageRect.lr().x + 10,
                             imageRect.lr().y + 10);
         
         for(ossim_uint32 i = 0; i < thePolyLineList.size(); ++i)
         {
            const vector<ossimDpt>& vList = thePolyLineList[i].getVertexList();
            
            if(vList.size() == 1)
            {
               anImage.drawLine(ossimIpt(vList[0]),
                                ossimIpt(vList[0]));
            }
            else
            {
               for(ossim_uint32 i2 = 0; i2 < (vList.size()-1); ++i2)
               {
                  ossimDpt start = vList[i2];
                  ossimDpt end   = vList[i2+1];
                  // now we can draw.
                  if(clipRect.clip(start, end))
                  {
                     anImage.drawLine(ossimIpt((int)start.x,
                                               (int)start.y),
                                      ossimIpt((int)end.x,
                                               (int)end.y));
                  }
               }
            }
         }
      }
   }
}

dup()

virtual ossimObject* ossimAnnotationMultiLineObject::dup ( ) const

inlinevirtual

Reimplemented from ossimObject.

Definition at line 49 of file ossimAnnotationMultiLineObject.h.

      {
         return new ossimAnnotationMultiLineObject(*this);
      }

getBoundingRect()

virtual void ossimAnnotationMultiLineObject::getBoundingRect ( ossimDrect &  rect ) const

inlinevirtual

Implements ossimAnnotationObject.

Definition at line 60 of file ossimAnnotationMultiLineObject.h.

Referenced by ossimGeoAnnotationPolyLineObject::getBoundingRect().

      {
         rect = theBoundingRect;
      }

getNewClippedObject()

ossimAnnotationObject * ossimAnnotationMultiLineObject::getNewClippedObject ( const ossimDrect &  rect ) const

virtual

Will allocate a new object that is clipped to the passed. in rect. Look at derived classes to see if the object is actually clipped or not. A new object is returned if it clips to the rect else NULL should be returned it doesn't clip.

Implements ossimAnnotationObject.

Definition at line 105 of file ossimAnnotationMultiLineObject.cpp.

References intersects(), ossimDrect::lr(), ossimAnnotationMultiLineObject(), ossimAnnotationObject::theBlue, ossimAnnotationObject::theGreen, thePolyLineList, ossimAnnotationObject::theRed, ossimAnnotationObject::theThickness, ossimDrect::ul(), ossimDpt::x, and ossimDpt::y.

Referenced by ossimGeoAnnotationPolyLineObject::getNewClippedObject().

{
   ossimAnnotationMultiLineObject* result = (ossimAnnotationMultiLineObject*)NULL;

   if(intersects(rect))
   {
      vector<ossimPolyLine> lineList;
      vector<ossimPolyLine> tempResult;
      
      ossimDrect clipRect(rect.ul().x - 10,
                          rect.ul().y - 10,
                          rect.lr().x + 10,
                          rect.lr().y + 10);

      for(ossim_uint32 i =0; i< thePolyLineList.size();++i)
      {
         if(thePolyLineList[i].clipToRect(tempResult, clipRect))
         {
            lineList.insert(lineList.end(),
                            tempResult.begin(),
                            tempResult.end());
         }
      }
      
      if(lineList.size() > 0)
      {
         result = new ossimAnnotationMultiLineObject(lineList,
                                                     theRed,
                                                     theGreen,
                                                     theBlue,
                                                     theThickness);
      }
   }
   
   return result;
}

getPolyLineList() [1/2]

virtual const vector<ossimPolyLine>& ossimAnnotationMultiLineObject::getPolyLineList ( ) const

inlinevirtual

Definition at line 67 of file ossimAnnotationMultiLineObject.h.

Referenced by ossimGeoAnnotationPolyLineObject::transform().

      {
         return thePolyLineList;
      }

getPolyLineList() [2/2]

virtual vector<ossimPolyLine>& ossimAnnotationMultiLineObject::getPolyLineList ( )

inlinevirtual

Definition at line 72 of file ossimAnnotationMultiLineObject.h.

      {
         return thePolyLineList;
      }

intersects()

bool ossimAnnotationMultiLineObject::intersects ( const ossimDrect &  rect ) const

virtual

Implements ossimAnnotationObject.

Definition at line 73 of file ossimAnnotationMultiLineObject.cpp.

References thePolyLineList.

Referenced by getNewClippedObject(), and ossimGeoAnnotationPolyLineObject::intersects().

{

   for(ossim_uint32 i = 0; i < thePolyLineList.size(); ++i)
   {
      if(thePolyLineList[i].isWithin(rect))
      {
         return true;
      }
   }
   return false;
}

isPointWithin()

bool ossimAnnotationMultiLineObject::isPointWithin ( const ossimDpt &  imagePoint ) const

virtual

This method allows you to pick an object. It will return true or false if the point falls somewhere on an object. Look at derived classes for further information.

Reimplemented from ossimAnnotationObject.

Definition at line 142 of file ossimAnnotationMultiLineObject.cpp.

References thePolyLineList.

{
   for(ossim_uint32 i=0; i < thePolyLineList.size(); ++i)
   {
      if(thePolyLineList[i].isPointWithin(imagePoint))
      {
         return true;
      }
      
   }

   return false;
}

print()

std::ostream & ossimAnnotationMultiLineObject::print ( std::ostream &  out ) const

virtual

Generic print method.

Derived classes should re-implement as they see fit.

Returns

std::ostream&

Reimplemented from ossimAnnotationObject.

Definition at line 181 of file ossimAnnotationMultiLineObject.cpp.

References ossimAnnotationObject::print(), and thePolyLineList.

Referenced by ossimGeoAnnotationPolyLineObject::print().

{
   ossimAnnotationObject::print(out);

   for(ossim_uint32 i = 0; i < thePolyLineList.size();++i)
   {
      out << thePolyLineList[i] << endl
          <<"______________________________________"<<endl;
   }
   return out;
}

setPolyLine()

virtual void ossimAnnotationMultiLineObject::setPolyLine ( const ossimPolyLine &  line )

inlinevirtual

Definition at line 76 of file ossimAnnotationMultiLineObject.h.

      {
         thePolyLineList.clear();
         thePolyLineList.push_back(line);
      }

Member Data Documentation

theBoundingRect

ossimDrect ossimAnnotationMultiLineObject::theBoundingRect

protected

Definition at line 83 of file ossimAnnotationMultiLineObject.h.

Referenced by applyScale(), computeBoundingRect(), and draw().

thePolyLineList

vector<ossimPolyLine> ossimAnnotationMultiLineObject::thePolyLineList

protected

Definition at line 82 of file ossimAnnotationMultiLineObject.h.

Referenced by applyScale(), computeBoundingRect(), draw(), getNewClippedObject(), intersects(), isPointWithin(), and print().

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The documentation for this class was generated from the following files:

• ossimAnnotationMultiLineObject.h
• ossimAnnotationMultiLineObject.cpp