/*
 * (C) 2014 see Authors.txt
 *
 * This file is part of MPC-BE.
 *
 * MPC-BE is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * MPC-BE is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#pragma once

#include <atlcoll.h>

class CPaddedArray : public CAtlArray<BYTE>
{
protected:
	size_t m_padsize;

public:
	CPaddedArray(size_t padsize)
		: m_padsize(padsize) {
	}

	size_t GetCount() {
		size_t count = __super::GetCount();
		return (count > m_padsize) ? count - m_padsize : 0;
	}

	bool SetCount(size_t nNewSize, int nGrowBy = - 1) {
		if (__super::SetCount(nNewSize + m_padsize, nGrowBy)) {
			memset(GetData() + nNewSize, 0, m_padsize);
			return true;
		}
		return false;
	}
};
