PoDoFo::PdfPagesTreeCache Class Reference

#include <PdfPagesTreeCache.h>

Public Member Functions
	PdfPagesTreeCache (int nInitialSize)
virtual	~PdfPagesTreeCache ()
virtual PdfPage *	GetPage (int nIndex)
virtual void	AddPageObject (int nIndex, PdfPage *pPage)
virtual void	InsertPage (int nIndex)
virtual void	DeletePage (int nIndex)
virtual void	ClearCache ()

Detailed Description

This class implements a cache infront of a PdfPagesTree

See also

PdfCachedPagesTree

Constructor & Destructor Documentation

PoDoFo::PdfPagesTreeCache::PdfPagesTreeCache

(

int

nInitialSize

)

Construct a new PdfCachedPagesTree.

Parameters

nInitialSize

initial size of the pagestree

PoDoFo::PdfPagesTreeCache::~PdfPagesTreeCache ( )

virtual

Close/down destruct a PdfCachedPagesTree

Member Function Documentation

void PoDoFo::PdfPagesTreeCache::AddPageObject ( int  nIndex, PdfPage *  pPage  )

virtual

Add a PdfPage object to the cache

Parameters

nIndex	index of the page
pPage	page object

void PoDoFo::PdfPagesTreeCache::ClearCache ( )

virtual

Clear cache, i.e. remove all elements from the cache.

void PoDoFo::PdfPagesTreeCache::DeletePage ( int  nIndex )

virtual

Delete a PdfPage from the cache

Parameters

nIndex

index of the page

PdfPage * PoDoFo::PdfPagesTreeCache::GetPage ( int  nIndex )

virtual

Return a PdfPage for the specified Page index The returned page is owned by the pages tree and deleted along with it.

Parameters

nIndex

page index, 0-based

Returns

a pointer to the requested page or NULL if it is not cached

void PoDoFo::PdfPagesTreeCache::InsertPage ( int  nIndex )

virtual

A page was inserted into the pagestree, therefore the cache has to be updated

Parameters

nIndex

index where the page was inserted