PrecinctImpl.h

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/*
 *    Copyright (C) 2016-2026 Grok Image Compression Inc.
 *
 *    This source code is free software: you can redistribute it and/or  modify
 *    it under the terms of the GNU Affero General Public License, version 3,
 *    as published by the Free Software Foundation.
 *
 *    This source code is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Affero General Public License for more details.
 *
 *    You should have received a copy of the GNU Affero General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
#pragma once
 
namespace grk
{
struct Precinct;

struct PrecinctImpl
{
  explicit PrecinctImpl(Precinct* prec);

  virtual ~PrecinctImpl(void);
 
  PrecinctImpl(const PrecinctImpl&) = delete;
  PrecinctImpl& operator=(const PrecinctImpl&) = delete;

  Rect32_16 getCodeBlockBounds(uint32_t cblkno);

  template<typename T>
  void initCodeBlock(T* block, uint32_t cblkno);

  void deleteTagTrees();

  TagTreeU16* getIncludeTagTree(void);

  TagTreeU8* getIMsbTagTree(void);

  BlockCache<t1::CodeblockCompress, PrecinctImpl>* enc_;

  BlockCache<t1::CodeblockDecompress, PrecinctImpl>* dec_;

  Rect32_16 cblk_grid_;

  Precinct* prec_;
 
protected:
  bool genCodeBlockGrid(void);
 
private:
  bool hasCodeBlocks(void);
  TagTreeU16* incltree_; /* inclusion tree */
  TagTreeU8* imsbtree_; /* IMSB tree */
};
 
struct PrecinctImplCompress : public PrecinctImpl
{
  PrecinctImplCompress(Precinct* prec, uint16_t numLayers);
};
 
struct PrecinctImplDecompress : public PrecinctImpl
{
  PrecinctImplDecompress(Precinct* prec, uint16_t numLayers);
};
 
} // namespace grk