/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/*

 * This file is a part of the libzmf project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 */

#include "ZMF4Header.h"

#define ZMF4_SIGNATURE 0x12345678

namespace libzmf

{

ZMF4Header::ZMF4Header()

  : m_signature(0)

  , m_objectCount(0)

  , m_startContentOffset(0)

  , m_startBitmapOffset(0)

{

}

bool ZMF4Header::load(const RVNGInputStreamPtr &input)

{

  seek(input, 8);

  m_signature = readU32(input);

  if (!checkSignature())

    return false;

  seek(input, 28);

  m_objectCount = readU32(input);

  m_startContentOffset = readU32(input);

  m_startBitmapOffset = readU32(input);

  return true;

}

bool ZMF4Header::isSupported() const

{

  return checkSignature();

}

uint32_t ZMF4Header::objectCount() const

{

  return m_objectCount;

}

uint32_t ZMF4Header::startContentOffset() const

{

  return m_startContentOffset;

}

uint32_t ZMF4Header::startBitmapOffset() const

{

  return m_startBitmapOffset;

}

bool ZMF4Header::checkSignature() const

{

  return m_signature == ZMF4_SIGNATURE;

}

}

/* vim:set shiftwidth=2 softtabstop=2 expandtab: */