pgfimage.hpp

// SPDX-License-Identifier: GPL-2.0-or-later
 
#ifndef PGFIMAGE_HPP_
#define PGFIMAGE_HPP_
 
// *****************************************************************************
#include "exiv2lib_export.h"
 
// included header files
#include "image.hpp"
 
// *****************************************************************************
// namespace extensions
namespace Exiv2 {
// *****************************************************************************
// class definitions
 
class EXIV2API PgfImage : public Image {
 public:
 
 
  PgfImage(BasicIo::UniquePtr io, bool create);
 
 
  void readMetadata() override;
  void writeMetadata() override;
 
 
  [[nodiscard]] std::string mimeType() const override {
    return "image/pgf";
  }
 
 private:
  bool bSwap_;  // true for bigEndian hardware, else false
  void doWriteMetadata(BasicIo& outIo);
  static byte readPgfMagicNumber(BasicIo& iIo);
  size_t readPgfHeaderSize(BasicIo& iIo) const;
  DataBuf readPgfHeaderStructure(BasicIo& iIo, uint32_t& width, uint32_t& height) const;
 
};  // class PgfImage
 
// *****************************************************************************
// template, inline and free functions
 
// These could be static private functions on Image subclasses but then
// ImageFactory needs to be made a friend.
EXIV2API Image::UniquePtr newPgfInstance(BasicIo::UniquePtr io, bool create);
 
EXIV2API bool isPgfType(BasicIo& iIo, bool advance);
 
}  // namespace Exiv2
 
#endif  // #ifndef PGFIMAGE_HPP_