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csSubRectangles2 Class Reference
[Geometry utilities]

A class managing allocations of sub-rectangles. More...

#include <subrec2.h>

List of all members.

Public Methods

 csSubRectangles2 (const csRect &region)
 Allocate a new empty region with the given size.

 ~csSubRectangles2 ()
 Remove this region and sub-regions.

const csRectGetRectangle () const
 Get the rectangle for this region.

void Clear ()
 Free all rectangles in this region.

csSubRect2 * Alloc (int w, int h, csRect &rect)
 Allocate a new rectangle.

void Reclaim (csSubRect2 *subrect)
 Reclaim a subrectangle.

bool Grow (int newWidth, int newHeight)
 Increase the size of the region.

void Dump ()
 For debugging: dump all free rectangles.


Protected Attributes

csRect region
 Dimensions of this region.

csSubRect2 * root
 First empty region.


Detailed Description

A class managing allocations of sub-rectangles.

i.e. this class represents a rectangular region from which a client can allocate smaller rectangles until the region is full.

Definition at line 39 of file subrec2.h.


Constructor & Destructor Documentation

csSubRectangles2::csSubRectangles2 const csRect   region
 

Allocate a new empty region with the given size.

csSubRectangles2::~csSubRectangles2  
 

Remove this region and sub-regions.


Member Function Documentation

csSubRect2* csSubRectangles2::Alloc int    w,
int    h,
csRect   rect
 

Allocate a new rectangle.

Returns 0 if there is no room

void csSubRectangles2::Clear  
 

Free all rectangles in this region.

void csSubRectangles2::Dump  
 

For debugging: dump all free rectangles.

const csRect& csSubRectangles2::GetRectangle   const [inline]
 

Get the rectangle for this region.

Definition at line 59 of file subrec2.h.

bool csSubRectangles2::Grow int    newWidth,
int    newHeight
 

Increase the size of the region.

You can only grow upwards.

void csSubRectangles2::Reclaim csSubRect2 *    subrect
 

Reclaim a subrectangle.


Member Data Documentation

csRect csSubRectangles2::region [protected]
 

Dimensions of this region.

Definition at line 44 of file subrec2.h.

csSubRect2* csSubRectangles2::root [protected]
 

First empty region.

Definition at line 46 of file subrec2.h.


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