cache.cpp

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// $Id: cache.cpp 751 2006-03-31 15:43:49Z alex $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
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              respective authors. See AUTHORS file for details.

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----------------------------------

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=================================XARAHEADEREND============================
 */

/*
*/

#include "camtypes.h"
#include "cache.h"


DECLARE_SOURCE( "$Revision: 751 $" );


CC_IMPLEMENT_DYNCREATE(CachedObject, CCObject)

#if _DEBUG
CC_IMPLEMENT_DYNCREATE(DummyCachedObject, CachedObject)
#endif

// Declare smart memory handling in Debug builds
#define new CAM_DEBUG_NEW


/*********************************************************************************************

>   CachedObject::CachedObject()

    Author:     Olivier_Gascoin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/01/97
    Purpose:    default constructor for CachedObject
                We get the size object: sizeof(this). It's used by the delete algorithms.
    Note:       
    SeeAlso:    
**********************************************************************************************/
CachedObject::CachedObject()
{
    m_Size = sizeof(this);
    m_Immortal = FALSE;
    m_hObj = 0;
}


/*********************************************************************************************

>   CachedObject::CachedObject(INT32 size)

    Author:     Olivier_Gascoin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/01/97
    Purpose:    constructor for CachedObject. It's used mainly in debug build when I explicitly
                set the size of the object rather than using sizeof().
    Note:       
    SeeAlso:    
**********************************************************************************************/

CachedObject::CachedObject(INT32 size)
{
    m_Size = size;
    m_Immortal = FALSE;
    m_hObj = 0;
}


/*********************************************************************************************

>   CachedObject::CachedObject(BOOL immortal, UINT32 size)

    Author:     Olivier_Gascoin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/01/97
    Purpose:    constructor for CachedObject.It's used mainly in debug build when I explicitly
                set the size of the object rather than using sizeof(). It also useful if I need
                to specify whether the objwect is immortal or not.
                The second parameter is optionnal.
                (e.g. CachedObject *pDummyObject = new CachedObject(TRUE);
                or:     CachedObject *pDummyObject = new CachedObject(TRUE, 100);
    Note:       
    SeeAlso:    
**********************************************************************************************/
CachedObject::CachedObject(BOOL immortal, UINT32 size)
{
    m_Size = size;
    m_Immortal = immortal;
    m_hObj = 0;
}


/*********************************************************************************************

>   CachedObject::~CachedObject()

    Author:     Olivier_Gascoin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/01/97
    Purpose:    destructor for CachedObject
    Note:       
    SeeAlso:    
**********************************************************************************************/
CachedObject::~CachedObject()
{
}


/*********************************************************************************************

>   CachedObject::StoreHandle(CACHE_HANDLE Handle)

    Author:     Olivier_Gascoin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/01/97
    Inputs:     Handle: the object handle
    Return:     TRUE
    Purpose:    store the CachedObject Handle generated by the add() function
    Note:       
    SeeAlso:    
**********************************************************************************************/

BOOL CachedObject::StoreHandle(CACHE_HANDLE Handle)
{
    m_hObj = Handle;

    return TRUE;
}


/*********************************************************************************************

>   BOOL CachedObject::SetSize(UINT32 NewSize)

    Author:     Olivier_Gascoin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    03/02/97
    Purpose:    modify the size of the object
    Note:       
    SeeAlso:    
**********************************************************************************************/

BOOL CachedObject::SetSize(UINT32 NewSize)
{
    m_Size = NewSize;
    return TRUE;
}


// DummyCachedObject
// Class used only for debug


/*********************************************************************************************

>   DummyCachedObject::DummyCachedObject()

    Author:     Olivier_Gascoin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    28/01/97
    Purpose:    Dummy class code
    Note:       
    SeeAlso:    
**********************************************************************************************/

#if _DEBUG

DummyCachedObject::DummyCachedObject()
{
    m_DataMembers = 0;
}

DummyCachedObject::DummyCachedObject(INT32 size):CachedObject(size)
{
    m_DataMembers = 0;
}

DummyCachedObject::DummyCachedObject(BOOL immortal, UINT32 size):CachedObject(immortal, size)
{
    m_DataMembers = 0;
}

DummyCachedObject::~DummyCachedObject()
{
}

#endif

---