Texture atlas. More...

#include <Atlas.hpp>

Classes
class	Not_Child
	Thrown when trying to free a bitmap that isn't a child of the atlas. More...
class	Too_Big
	Thrown when trying to allocate a too-large section of the atlas. More...
Public Member Functions
	Atlas (int width_, int height_, int x_res_=16, int y_res_=16)
	Creates a texture atlas with the specified dimensions and resolution.
void	NewPage ()
	Creates a new page on the atlas.
std::auto_ptr< Bitmap >	Add (Bitmap &bitmap)
	Allocates room for and copies an existing bitmap in to the atlas.
std::auto_ptr< Bitmap >	Alloc (int width, int height)
	Allocates an image to the atlas with the specified width/height.
int	Pages () const
	Returns the number of pages in the atlas.
a5::Bitmap &	GetPage (int page) const
	Returns the atlas bitmap for the given page.
void	Clear (bool delete_pages=false)
	Frees all of the allocated bitmaps in the atlas.
	~Atlas ()
	Destroys all of the atlas pages and references.
Friends
class	a5::Atlas_Bitmap

Detailed Description

Texture atlas.

Constructor & Destructor Documentation

Creates a texture atlas with the specified dimensions and resolution.

a5::Atlas::~Atlas ( )

Destroys all of the atlas pages and references.

void a5::Atlas::NewPage ( )

Creates a new page on the atlas.

std::auto_ptr< Bitmap > a5::Atlas::Add ( Bitmap & bitmap )

Allocates room for and copies an existing bitmap in to the atlas.

Exceptions:

Atlas::Too_Big

std::auto_ptr< Bitmap > a5::Atlas::Alloc	(	int	width,
		int	height
	)

Allocates an image to the atlas with the specified width/height.

Exceptions:

Atlas::Not_Child

int a5::Atlas::Pages ( ) const

Returns the number of pages in the atlas.

a5::Bitmap& a5::Atlas::GetPage ( int page ) const

Returns the atlas bitmap for the given page.

Exceptions:

std::out_of_range

void a5::Atlas::Clear ( bool delete_pages = false )

Frees all of the allocated bitmaps in the atlas.