ImageDecoder.hpp

Go to the documentation of this file.

#ifndef __blip_ImageDecoder_hpp
#define __blip_ImageDecoder_hpp

#include <blip/Blip.hpp>
#include <blip/Size.hpp>

CCXX_FWD_DECL(DataReader);

namespace blip {

class Pixmap;

class ImageDecoder
{
  public:

  ImageDecoder(ccxx::DataReader* reader);

  virtual ~ImageDecoder();

  void decodeMetadata();

  void decodeImage(Pixmap* pixmap);

  inline Size getSize() const
  { return(_size); }

  protected:

  virtual void readMetadata(ccxx::DataReader* reader) = 0;

  virtual void readPixmap(ccxx::DataReader* reader, Pixmap* pixmap) = 0;

  inline void setSize(const Size& size)
  { _size = size; }

  private:

  ccxx::DataReader* _reader;
  Size _size;
  bool _metadataRead;
  bool _pixmapRead;

  CCXX_COPY_DECLS(ImageDecoder);
};

} // namespace blip

#endif // __blip_ImageDecoder_hpp