tiledbitmapviewdata.hh

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/*
 * Scroom - Generic viewer for 2D data
 * Copyright (C) 2009-2022 Kees-Jan Dijkzeul
 *
 * SPDX-License-Identifier: LGPL-2.1
 */
 
#pragma once
 
#include <boost/shared_ptr.hpp>
 
#include <gtk/gtk.h>
 
#include <scroom/bookkeeping.hh>
#include <scroom/observable.hh>
#include <scroom/tiledbitmaplayer.hh>
#include <scroom/viewinterface.hh>
 
class TiledBitmapViewData
  : virtual public Scroom::Utils::Base
  , public TileLoadingObserver
  , public ProgressInterface
{
public:
  using Ptr = boost::shared_ptr<TiledBitmapViewData>;
 
public:
  ViewInterface::WeakPtr     viewInterface;
  ProgressInterface::Ptr     progressInterface;
  Scroom::Bookkeeping::Token token;
 
private:
  Layer::Ptr           layer;
  int                  imin{0};
  int                  imax{0};
  int                  jmin{0};
  int                  jmax{0};
  int                  zoom{0};
  LayerOperations::Ptr layerOperations;
 
  Scroom::Utils::StuffList stuff;
 
  Scroom::Utils::StuffList volatileStuff;
 
  bool redrawPending{false};
 
  boost::mutex mut;
 
private:
  explicit TiledBitmapViewData(const ViewInterface::WeakPtr& viewInterface);
 
public:
  static Ptr create(const ViewInterface::WeakPtr& viewInterface);
 
  void
    setNeededTiles(Layer::Ptr const& l, int imin, int imax, int jmin, int jmax, int zoom, LayerOperations::Ptr layerOperations);
  void resetNeededTiles();
  void storeVolatileStuff(const Scroom::Utils::Stuff& stuff);
  void clearVolatileStuff();
 
  // TileLoadingObserver ////////////////////////////////////////////////
  void tileLoaded(ConstTile::Ptr tile) override;
 
  // ProgressInterface ///////////////////////////////////////////////////
  void setIdle() override;
  void setWaiting(double progress = 0.0) override;
  void setWorking(double progress) override;
  void setFinished() override;
};