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3rdparty/opencv-4.5.4/modules/imgcodecs/src/grfmt_jpeg2000.hpp 3.28 KB
f4334277   Hu Chunming   提交3rdparty
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  /*M///////////////////////////////////////////////////////////////////////////////////////
  //
  //  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
  //
  //  By downloading, copying, installing or using the software you agree to this license.
  //  If you do not agree to this license, do not download, install,
  //  copy or use the software.
  //
  //
  //                           License Agreement
  //                For Open Source Computer Vision Library
  //
  // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
  // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
  // Third party copyrights are property of their respective owners.
  //
  // Redistribution and use in source and binary forms, with or without modification,
  // are permitted provided that the following conditions are met:
  //
  //   * Redistribution's of source code must retain the above copyright notice,
  //     this list of conditions and the following disclaimer.
  //
  //   * Redistribution's in binary form must reproduce the above copyright notice,
  //     this list of conditions and the following disclaimer in the documentation
  //     and/or other materials provided with the distribution.
  //
  //   * The name of the copyright holders may not be used to endorse or promote products
  //     derived from this software without specific prior written permission.
  //
  // This software is provided by the copyright holders and contributors "as is" and
  // any express or implied warranties, including, but not limited to, the implied
  // warranties of merchantability and fitness for a particular purpose are disclaimed.
  // In no event shall the Intel Corporation or contributors be liable for any direct,
  // indirect, incidental, special, exemplary, or consequential damages
  // (including, but not limited to, procurement of substitute goods or services;
  // loss of use, data, or profits; or business interruption) however caused
  // and on any theory of liability, whether in contract, strict liability,
  // or tort (including negligence or otherwise) arising in any way out of
  // the use of this software, even if advised of the possibility of such damage.
  //
  //M*/
  
  #ifndef _GRFMT_JASPER_H_
  #define _GRFMT_JASPER_H_
  
  #ifdef HAVE_JASPER
  
  #include "grfmt_base.hpp"
  
  namespace cv
  {
  
  class Jpeg2KDecoder CV_FINAL : public BaseImageDecoder
  {
  public:
  
      Jpeg2KDecoder();
      virtual ~Jpeg2KDecoder();
  
      bool  readData( Mat& img ) CV_OVERRIDE;
      bool  readHeader() CV_OVERRIDE;
      void  close();
      ImageDecoder newDecoder() const CV_OVERRIDE;
  
  protected:
      bool  readComponent8u( uchar *data, void *buffer, int step, int cmpt,
                             int maxval, int offset, int ncmpts );
      bool  readComponent16u( unsigned short *data, void *buffer, int step, int cmpt,
                              int maxval, int offset, int ncmpts );
  
      void *m_stream;
      void *m_image;
  };
  
  
  class Jpeg2KEncoder CV_FINAL : public BaseImageEncoder
  {
  public:
      Jpeg2KEncoder();
      virtual ~Jpeg2KEncoder();
  
      bool  isFormatSupported( int depth ) const CV_OVERRIDE;
      bool  write( const Mat& img, const std::vector<int>& params ) CV_OVERRIDE;
      ImageEncoder newEncoder() const CV_OVERRIDE;
  
  protected:
      bool  writeComponent8u( void *img, const Mat& _img );
      bool  writeComponent16u( void *img, const Mat& _img );
  };
  
  }
  
  #endif
  
  #endif/*_GRFMT_JASPER_H_*/