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details Size2D Class Reference VIGRA

Two dimensional size object. More...

#include "vigra/diff2d.hxx"

Inheritance diagram for Size2D:

Diff2D List of all members.

Public Methods

 Size2D ()
 Size2D (int width, int height)
 Size2D (Size2D const &v)
 Size2D (Diff2D const &v)
int width () const
int height () const
void setWidth (int w)
void setHeight (int h)
int area () const
Size2D & operator= (Diff2D const &v)
Size2D operator- () const
Size2D & operator+= (Diff2D const &offset)
Size2D & operator-= (Diff2D const &offset)


Detailed Description


Two dimensional size object.

Specializes Diff2D for the specification of a 2-dimensional extent, in contrast to a point or position (for the latter use Point2D).

    // create an image that is 10 pixels squared
    Image new_image(Size2D(10,10));

#include "vigra/utilities.hxx"
Namespace: vigra


Constructor & Destructor Documentation


Size2D   [inline]

 

Default Constructor. Init point at position (0,0)


Size2D int    width,
int    height
[inline]

 

Construct point at given position.


Size2D Size2D const &    v [inline]

 

Copy Constructor.


Size2D Diff2D const &    v [inline, explicit]

 

Explicit conversion Constructor.


Member Function Documentation


int area   const [inline]

 

Returns width()*height(), the area of a rectangle of this size.


int height   const [inline]

 

Query the height.


Size2D& operator+= Diff2D const &    offset [inline]

 

Increase size by specified offset.

Reimplemented from Diff2D.


Size2D operator-   const [inline]

 

Unary negation.

Reimplemented from Diff2D.


Size2D& operator-= Diff2D const &    offset [inline]

 

Decrease size by specified offset.

Reimplemented from Diff2D.


Size2D& operator= Diff2D const &    v [inline]

 

Copy Assigment.

Reimplemented from Diff2D.


void setHeight int    h [inline]

 

Change the height.


void setWidth int    w [inline]

 

Change the width.


int width   const [inline]

 

Query the width.


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

© Ullrich Köthe (koethe@informatik.uni-hamburg.de)
Cognitive Systems Group, University of Hamburg, Germany

html generated using doxygen and Python
VIGRA 1.5.0 (7 Dec 2006)