BMIHeader.h

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/* -*- 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/.
 */
 
#ifndef BMIHEADER_H_INCLUDED
#define BMIHEADER_H_INCLUDED
 
#include "libzmf_utils.h"
#include "BMITypes.h"
#include <vector>
 
namespace libzmf
{
 
class BMIHeader
{
public:
  BMIHeader();
 
  bool load(const RVNGInputStreamPtr &input);
 
  bool isSupported() const;
 
  unsigned size() const;
 
  unsigned startOffset() const;
 
  unsigned width() const;
  unsigned height() const;
 
  bool isPaletteMode() const;
 
  unsigned colorDepth() const;
 
  unsigned paletteColorCount() const;
 
  const std::vector<BMIOffset> &offsets() const;
 
  bool reconcileWidth(unsigned &colorWidth, unsigned &transparencyWidth);
  bool reconcileHeight(unsigned &colorHeight, unsigned &transparencyHeight);
 
private:
  void readOffsets(const RVNGInputStreamPtr &input, uint16_t offsetCount);
 
  std::string m_signature;
 
  unsigned m_size;
 
  unsigned m_startOffset;
 
  unsigned m_width;
  unsigned m_height;
 
  bool m_isPaletteMode;
 
  unsigned m_colorDepth;
 
  std::vector<BMIOffset> m_offsets;
};
 
}
 
#endif // BMIHEADER_H_INCLUDED
 
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