TuttleOFX/libraries/tuttle/src/tuttle/host/ofx/OfxhMemory.cpp

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/*
 * Software License :
 *
 * Copyright (c) 2007-2009, The Open Effects Association Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
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 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name The Open Effects Association Ltd, nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ofx host
#include "OfxhMemory.hpp"

// ofx
#include <ofxCore.h>
#include <ofxImageEffect.h>

namespace tuttle {
namespace host {
namespace ofx {

OfxhMemory::OfxhMemory()
        : _ptr( 0 )
        , _locked( false )
{}

OfxhMemory::~OfxhMemory()
{
        delete [] _ptr;
}

bool OfxhMemory::alloc( size_t nBytes )
{
        if( !_locked )
        {
                if( _ptr )
                        freeMem();
                _ptr = new char[nBytes];
                return true;
        }
        else
                return false;
}

OfxImageMemoryHandle OfxhMemory::getHandle()
{
        return ( OfxImageMemoryHandle ) this;
}

void OfxhMemory::freeMem()
{
        delete [] _ptr;
        _ptr = 0;
}

void* OfxhMemory::getPtr()
{
        return _ptr;
}

void OfxhMemory::lock()
{
        _locked = true;
}

void OfxhMemory::unlock()
{
        _locked = false;
}

}
}
}