ossimVrect Class Reference

#include <ossimVrect.h>

Public Member Functions
	ossimVrect ()
	ossimVrect (const ossimDpt &ul, const ossimDpt &lr)
	ossimVrect (double ul_corner_x, double ul_corner_y, double lr_corner_x, double lr_corner_y)
	ossimVrect (const ossimVrect &rect)
	~ossimVrect ()
const ossimVrect &	operator= (const ossimVrect &rect)
bool	operator!= (const ossimVrect &rect) const
bool	operator== (const ossimVrect &rect) const
const ossimDpt &	ul () const
const ossimDpt &	ur () const
const ossimDpt &	lr () const
const ossimDpt &	ll () const
ossim_float64	height () const
ossim_float64	width () const
ossimDpt	midPoint () const
void	print (std::ostream &os) const
ossimVrect	combine (const ossimVrect &rect) const
ossimVrect	clipToRect (const ossimVrect &rect) const

Private Attributes
ossimDpt	theUlCorner
ossimDpt	theLlCorner
ossimDpt	theLrCorner
ossimDpt	theUrCorner

Friends
std::ostream &	operator<< (std::ostream &os, const ossimVrect &rect)

Detailed Description

Definition at line 25 of file ossimVrect.h.

Constructor & Destructor Documentation

ossimVrect() [1/4]

ossimVrect::ossimVrect ( )

inline

Definition at line 28 of file ossimVrect.h.

Referenced by clipToRect(), and combine().

      :theUlCorner(0.0, 0.0),
       theLlCorner(0.0, 0.0),
       theLrCorner(0.0, 0.0),
       theUrCorner(0.0, 0.0)
      {}

ossimVrect() [2/4]

ossimVrect::ossimVrect ( const ossimDpt &  ul, const ossimDpt &  lr  )

inline

Definition at line 34 of file ossimVrect.h.

      :theUlCorner(ul),
       theLlCorner(ul.x, lr.y),
       theLrCorner(lr),
       theUrCorner(lr.x, ul.y)
      {}

ossimVrect() [3/4]

ossimVrect::ossimVrect ( double  ul_corner_x, double  ul_corner_y, double  lr_corner_x, double  lr_corner_y  )

inline

Definition at line 41 of file ossimVrect.h.

      :
         theUlCorner(ul_corner_x, ul_corner_y),
         theLlCorner(ul_corner_x, lr_corner_y),
         theLrCorner(lr_corner_x, lr_corner_y),
         theUrCorner(lr_corner_x, ul_corner_y)
      {}

ossimVrect() [4/4]

ossimVrect::ossimVrect ( const ossimVrect &  rect )

inline

Definition at line 51 of file ossimVrect.h.

      :
         theUlCorner(rect.ul()),
         theLlCorner(rect.ll()),
         theLrCorner(rect.lr()),
         theUrCorner(rect.ur())
      {}

~ossimVrect()

ossimVrect::~ossimVrect

(

)

Definition at line 39 of file ossimVrect.cpp.

{
}

Member Function Documentation

clipToRect()

ossimVrect ossimVrect::clipToRect ( const ossimVrect &  rect ) const

inline

Definition at line 126 of file ossimVrect.h.

References d_MAX, lr(), min, ossimVrect(), ul(), ossimDpt::x, and ossimDpt::y.

{
    ossim_float64     ulx, uly, lrx, lry;

    // XXX not replaced with std::max or ossim::max since the test is backward 
    //     here and will give a different answer in the case of nan.
    #define d_MAX(a,b)      (((a)>(b)) ? a : b)

    ulx = d_MAX(rect.ul().x,ul().x);
    uly = d_MAX(rect.ul().y,ul().y);

    #undef d_MAX

    lrx = std::min(rect.lr().x,lr().x);
    lry = std::min(rect.lr().y,lr().y);

    if( lrx <= ulx || lry <= uly )
        return ossimVrect(ossimDpt(0,0),ossimDpt(0,0));
    else
       return ossimVrect(ulx,uly,lrx,lry);
}

combine()

ossimVrect ossimVrect::combine ( const ossimVrect &  rect ) const

inline

Definition at line 154 of file ossimVrect.h.

References lr(), ossimVrect(), ul(), ossimDpt::x, and ossimDpt::y.

{
   ossimDpt ulCombine;
   ossimDpt lrCombine;
   
   ulCombine.x = ((ul().x <= rect.ul().x)?ul().x:rect.ul().x);
   ulCombine.y = ((ul().y >= rect.ul().y)?ul().y:rect.ul().y);
   lrCombine.x = ((lr().x >= rect.lr().x)?lr().x:rect.lr().x);
   lrCombine.y = ((lr().y <= rect.lr().y)?lr().y:rect.lr().y);

   return ossimVrect(ulCombine, lrCombine);
}

height()

ossim_float64 ossimVrect::height ( ) const

inline

Returns the height of a rectangle.

Definition at line 72 of file ossimVrect.h.

      { return fabs(theLlCorner.y - theUlCorner.y) + 1.0; }

ll()

const ossimDpt& ossimVrect::ll ( ) const

inline

Definition at line 68 of file ossimVrect.h.

Referenced by midPoint(), operator!=(), operator=(), and operator==().

{ return theLlCorner; }

lr()

const ossimDpt& ossimVrect::lr ( ) const

inline

Definition at line 67 of file ossimVrect.h.

Referenced by clipToRect(), combine(), midPoint(), operator!=(), operator=(), and operator==().

{ return theLrCorner; }

midPoint()

ossimDpt ossimVrect::midPoint ( ) const

inline

Definition at line 148 of file ossimVrect.h.

References ll(), lr(), ul(), ur(), x, and y.

{
   return ossimDpt( (ul().x + ur().x + ll().x + lr().x)*.25,
               (ul().y + ur().y + ll().y + lr().y)*.25);
}

operator!=()

bool ossimVrect::operator!= ( const ossimVrect &  rect ) const

inline

Definition at line 109 of file ossimVrect.h.

References ll(), lr(), theLlCorner, theLrCorner, theUlCorner, theUrCorner, ul(), and ur().

{
   return ( (theUlCorner != rect.ul()) ||
            (theUrCorner != rect.ur()) ||
            (theLrCorner != rect.lr()) ||
            (theLlCorner != rect.ll()) );
}

operator=()

const ossimVrect & ossimVrect::operator= ( const ossimVrect &  rect )

inline

Definition at line 96 of file ossimVrect.h.

References ll(), lr(), theLlCorner, theLrCorner, theUlCorner, theUrCorner, ul(), and ur().

{
   if (this != &rect)
   {
      theUlCorner = rect.ul();
      theUrCorner = rect.ur();
      theLrCorner = rect.lr();
      theLlCorner = rect.ll();
   }

   return *this;
}

operator==()

bool ossimVrect::operator== ( const ossimVrect &  rect ) const

inline

Definition at line 117 of file ossimVrect.h.

References ll(), lr(), theLlCorner, theLrCorner, theUlCorner, theUrCorner, ul(), and ur().

{
   return ( (theUlCorner == rect.ul()) &&
            (theUrCorner == rect.ur()) &&
            (theLrCorner == rect.lr()) &&
            (theLlCorner == rect.ll()) );
}

print()

void ossimVrect::print

(

std::ostream &

os

)

const

Definition at line 24 of file ossimVrect.cpp.

References theLrCorner, and theUlCorner.

Referenced by operator<<().

{
   os << theUlCorner << theLrCorner;
}

ul()

const ossimDpt& ossimVrect::ul ( ) const

inline

Definition at line 65 of file ossimVrect.h.

Referenced by clipToRect(), combine(), midPoint(), operator!=(), operator=(), and operator==().

{ return theUlCorner; }

ur()

const ossimDpt& ossimVrect::ur ( ) const

inline

Definition at line 66 of file ossimVrect.h.

Referenced by midPoint(), operator!=(), operator=(), and operator==().

{ return theUrCorner; }

width()

ossim_float64 ossimVrect::width ( ) const

inline

Returns the width of a rectangle.

Definition at line 78 of file ossimVrect.h.

      { return fabs(theLrCorner.x - theLlCorner.x) + 1.0; }

Friends And Related Function Documentation

operator<<

std::ostream& operator<< ( std::ostream &  os, const ossimVrect &  rect  )

friend

Definition at line 32 of file ossimVrect.cpp.

{
   rect.print(os);

   return os;
}

Member Data Documentation

theLlCorner

ossimDpt ossimVrect::theLlCorner

private

Definition at line 91 of file ossimVrect.h.

Referenced by operator!=(), operator=(), and operator==().

theLrCorner

ossimDpt ossimVrect::theLrCorner

private

Definition at line 92 of file ossimVrect.h.

Referenced by operator!=(), operator=(), operator==(), and print().

theUlCorner

ossimDpt ossimVrect::theUlCorner

private

Definition at line 90 of file ossimVrect.h.

Referenced by operator!=(), operator=(), operator==(), and print().

theUrCorner

ossimDpt ossimVrect::theUrCorner

private

Definition at line 93 of file ossimVrect.h.

Referenced by operator!=(), operator=(), and operator==().

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

• ossimVrect.h
• ossimVrect.cpp