qgspointcloudlayerundocommand.h

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/***************************************************************************
    qgspointcloudlayerundocommand.h
    ---------------------
    begin                : January 2025
    copyright            : (C) 2025 by Stefanos Natsis
    email                : uclaros at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSPOINTCLOUDLAYERUNDOCOMMAND_H
#define QGSPOINTCLOUDLAYERUNDOCOMMAND_H
 
#define SIP_NO_FILE
 
#include "qgis_core.h"
#include "qgspointcloudattribute.h"
#include "qgspointcloudindex.h"
 
#include <QUndoCommand>
 
class QgsPointCloudLayer;

class CORE_EXPORT QgsPointCloudLayerUndoCommand : public QUndoCommand
{
  protected:
    QgsPointCloudLayerUndoCommand( QgsPointCloudLayer *layer );
    QgsPointCloudLayer *mLayer;
};

class CORE_EXPORT QgsPointCloudLayerUndoCommandChangeAttribute : public QgsPointCloudLayerUndoCommand
{
  public:

    QgsPointCloudLayerUndoCommandChangeAttribute( QgsPointCloudLayer *layer, const QHash<int, QHash<QgsPointCloudNodeId, QVector<int>>> &mappedPoints, const QgsPointCloudAttribute &attribute, double value );
 
    void undo() override;
    void redo() override;
 
  private:
    struct PerNodeData
    {
      QHash<int, double> oldPointValues;
      bool firstEdit = false;
      int attributeOffset = 0;
    };
 
    struct NodeProcessData
    {
      int position;
      QgsPointCloudIndex index;
      QgsPointCloudNodeId nodeId;
      QVector<int> points;
    };
 
    void undoRedoPrivate( bool isUndo );
 
    QMap<int, QHash<QgsPointCloudNodeId, PerNodeData>> mPerNodeData;
    QgsPointCloudAttribute mAttribute;
    double mNewValue = 0;
};
#endif // QGSPOINTCLOUDLAYERUNDOCOMMAND_H