ojph_tile.h

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//***************************************************************************/
// This software is released under the 2-Clause BSD license, included
// below.
//
// Copyright (c) 2019, Aous Naman
// Copyright (c) 2019, Kakadu Software Pty Ltd, Australia
// Copyright (c) 2019, The University of New South Wales, Australia
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions 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.
//
// 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 COPYRIGHT
// HOLDER 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.
//***************************************************************************/
// This file is part of the OpenJPH software implementation.
// File: ojph_tile.h
// Author: Aous Naman
// Date: 28 August 2019
//***************************************************************************/
 
 
#ifndef OJPH_TILE_H
#define OJPH_TILE_H
 
#include "ojph_defs.h"
#include "ojph_file.h"
#include "ojph_params_local.h"
 
namespace ojph {

  //defined elsewhere
  class line_buf;
  class codestream;
 
  namespace local {

    //defined here
    class tile_comp;

    class tile
    {
    public:
      static void pre_alloc(codestream *codestream, const rect& tile_rect,
                            const rect& recon_tile_rect, ui32 &num_tileparts);
      void finalize_alloc(codestream *codestream, const rect& tile_rect,
                          ui32 tile_idx, ui32& offset, ui32 &num_tileparts);
 
      bool push(line_buf *line, ui32 comp_num);
      void prepare_for_flush();
      void fill_tlm(param_tlm* tlm);
      void flush(outfile_base *file);
      void parse_tile_header(const param_sot& sot, infile_base *file,
                             const ui64& tile_start_location);
      bool pull(line_buf *, ui32 comp_num);
      rect get_tile_rect() { return tile_rect; }
 
    private:
      //codestream *parent;
      rect tile_rect;
      ui32 num_comps;
      tile_comp *comps;
      ui32 num_lines;
      line_buf* lines;
      bool employ_color_transform, resilient;
      bool *reversible;
      rect *comp_rects, *recon_comp_rects;
      ui32 *line_offsets;
      ui32 skipped_res_for_read;
 
      ui32 *num_bits;
      bool *is_signed;
      ui32 *cur_line;
      const nlt_rec **nlt_ptr;
      int prog_order;
 
    private:
      param_sot sot;
      int next_tile_part;
 
    private:
      int profile;
      ui32 tilepart_div;    // tilepart division value
      bool need_tlm;        // true if tlm markers are needed
 
      ui32 num_bytes; // number of bytes in this tile
                      // used for tile length
    };
 
  }
}
 
#endif // !OJPH_TILE_H