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/*
* GNU AFFERO GENERAL PUBLIC LICENSE
* Version 3, 19 November 2007
* Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
* Everyone is permitted to copy and distribute verbatim copies
* of this license document, but changing it is not allowed.
*/
using System;
using System.Drawing;
using System.IO;
using System.Xml.Serialization;
using Emgu.CV;
using Emgu.CV.Util;
using UVtools.Core.Extensions;
using UVtools.Core.FileFormats;
using UVtools.Core.Objects;
namespace UVtools.Core.Operations
{
[Serializable]
public abstract class Operation : BindableBase, IDisposable
{
#region Enums
public enum OperationImportFrom : byte
{
None,
Profile,
Session,
Undo,
}
#endregion
#region Members
private FileFormat _slicerFile;
private OperationImportFrom _importedFrom = OperationImportFrom.None;
private Rectangle _roi = Rectangle.Empty;
private Point[][] _maskPoints;
private uint _layerIndexEnd;
private uint _layerIndexStart;
private string _profileName;
private bool _profileIsDefault;
private Enumerations.LayerRangeSelection _layerRangeSelection = Enumerations.LayerRangeSelection.All;
public const byte ClassNameLength = 9;
#endregion
#region Properties
/// <summary>
/// Gets or sets from where this option got loaded/imported
/// </summary>
[XmlIgnore]
public OperationImportFrom ImportedFrom
{
get => _importedFrom;
set => RaiseAndSetIfChanged(ref _importedFrom, value);
}
[XmlIgnore]
public FileFormat SlicerFile
{
get => _slicerFile;
set
{
if(!RaiseAndSetIfChanged(ref _slicerFile, value)) return;
InitWithSlicerFile();
}
}
[XmlIgnore]
public object Tag { get; set; }
/// <summary>
/// Gets the ID name of this operation, this comes from class name with "Operation" removed
/// </summary>
public string Id => GetType().Name.Remove(0, ClassNameLength);
public virtual Enumerations.LayerRangeSelection StartLayerRangeSelection => Enumerations.LayerRangeSelection.All;
/// <summary>
/// Gets the last used layer range selection, returns none if custom
/// </summary>
public Enumerations.LayerRangeSelection LayerRangeSelection
{
get => _layerRangeSelection;
set => RaiseAndSetIfChanged(ref _layerRangeSelection, value);
}
public virtual string LayerRangeString
{
get
{
if (LayerRangeSelection == Enumerations.LayerRangeSelection.None)
{
return $" [Layers: {LayerIndexStart}-{LayerIndexEnd}]";
}
return $" [Layers: {LayerRangeSelection}]";
}
}
/// <summary>
/// Gets if this operation should set layer range to the actual layer index on layer preview
/// </summary>
public virtual bool PassActualLayerIndex => false;
/// <summary>
/// Gets if this operation can make use of ROI
/// </summary>
public virtual bool CanROI => true;
/// <summary>
/// Gets if this operation can make use maskable areas
/// </summary>
public virtual bool CanMask => CanROI;
/// <summary>
/// Gets if this operation can store profiles
/// </summary>
public virtual bool CanHaveProfiles => true;
/// <summary>
/// Gets if this operation supports cancellation
/// </summary>
public virtual bool CanCancel => true;
/// <summary>
/// Gets the title of this operation
/// </summary>
public virtual string Title => Id;
/// <summary>
/// Gets a descriptive text of this operation
/// </summary>
public virtual string Description => Id;
/// <summary>
/// Gets the Ok button text
/// </summary>
public virtual string ButtonOkText => Title;
/// <summary>
/// Gets the confirmation text for the operation
/// </summary>
public virtual string ConfirmationText => $"Are you sure you want to {Id}";
/// <summary>
/// Gets the progress window title
/// </summary>
public virtual string ProgressTitle => "Processing items";
/// <summary>
/// Gets the progress action name
/// </summary>
public virtual string ProgressAction => Id;
/// <summary>
/// Gets if this operation have a action text
/// </summary>
public bool HaveAction => !string.IsNullOrEmpty(ProgressAction);
/// <summary>
/// Gets the start layer index where operation will starts in
/// </summary>
public virtual uint LayerIndexStart
{
get => _layerIndexStart;
set
{
if(!RaiseAndSetIfChanged(ref _layerIndexStart, value)) return;
RaisePropertyChanged(nameof(LayerRangeCount));
}
}
/// <summary>
/// Gets the end layer index where operation will ends in
/// </summary>
public virtual uint LayerIndexEnd
{
get => _layerIndexEnd;
set
{
if(!RaiseAndSetIfChanged(ref _layerIndexEnd, value)) return;
RaisePropertyChanged(nameof(LayerRangeCount));
}
}
public uint LayerRangeCount => LayerIndexEnd - LayerIndexStart + 1;
/// <summary>
/// Gets the name for this profile
/// </summary>
public string ProfileName
{
get => _profileName;
set => RaiseAndSetIfChanged(ref _profileName, value);
}
public bool ProfileIsDefault
{
get => _profileIsDefault;
set => RaiseAndSetIfChanged(ref _profileIsDefault, value);
}
/// <summary>
/// Gets or sets an ROI to process this operation
/// </summary>
[XmlIgnore]
public Rectangle ROI
{
get => _roi;
set
{
if (!CanROI) return;
RaiseAndSetIfChanged(ref _roi, value);
}
}
public bool HaveROI => !ROI.IsEmpty;
/// <summary>
/// Gets or sets an Mask to process this operation
/// </summary>
[XmlIgnore]
public Point[][] MaskPoints
{
get => _maskPoints;
set
{
if (!CanMask) return;
if(!RaiseAndSetIfChanged(ref _maskPoints, value)) return;
//if(HaveMask) ROI = Rectangle.Empty;
}
}
public bool HaveMask => _maskPoints is not null && _maskPoints.Length > 0;
public bool HaveROIorMask => HaveROI || HaveMask;
/// <summary>
/// Gets if this operation have been executed once
/// </summary>
[XmlIgnore]
public bool HaveExecuted { get; private set; }
/// <summary>
/// Gets if this operation have validated at least once
/// </summary>
[XmlIgnore]
public bool IsValidated { get; private set; }
#endregion
#region Constructor
protected Operation() { }
protected Operation(FileFormat slicerFile) : this()
{
_slicerFile = slicerFile;
SelectAllLayers();
InitWithSlicerFile();
}
#endregion
#region Methods
public virtual string ValidateInternally() => null;
/// <summary>
/// Validates the operation
/// </summary>
/// <returns>null or empty if validates, otherwise return a string with error message</returns>
public string Validate()
{
IsValidated = true;
return ValidateInternally();
}
public bool CanValidate()
{
return string.IsNullOrWhiteSpace(Validate());
}
public void SelectAllLayers()
{
LayerIndexStart = 0;
LayerIndexEnd = SlicerFile.LastLayerIndex;
LayerRangeSelection = Enumerations.LayerRangeSelection.All;
}
public void SelectCurrentLayer(uint layerIndex)
{
LayerIndexStart = LayerIndexEnd = layerIndex;
LayerRangeSelection = Enumerations.LayerRangeSelection.Current;
}
public void SelectBottomLayers()
{
LayerIndexStart = 0;
LayerIndexEnd = SlicerFile.BottomLayerCount - 1u;
LayerRangeSelection = Enumerations.LayerRangeSelection.Bottom;
}
public void SelectNormalLayers()
{
LayerIndexStart = SlicerFile.BottomLayerCount;
LayerIndexEnd = SlicerFile.LastLayerIndex;
LayerRangeSelection = Enumerations.LayerRangeSelection.Normal;
}
public void SelectFirstLayer()
{
LayerIndexStart = LayerIndexEnd = 0;
LayerRangeSelection = Enumerations.LayerRangeSelection.First;
}
public void SelectLastLayer()
{
LayerIndexStart = LayerIndexEnd = SlicerFile.LastLayerIndex;
LayerRangeSelection = Enumerations.LayerRangeSelection.Last;
}
public void SelectFirstToCurrentLayer(uint currentLayerIndex)
{
LayerIndexStart = 0;
LayerIndexEnd = Math.Min(currentLayerIndex, SlicerFile.LastLayerIndex);
}
public void SelectCurrentToLastLayer(uint currentLayerIndex)
{
LayerIndexStart = Math.Min(currentLayerIndex, SlicerFile.LastLayerIndex);
LayerIndexEnd = SlicerFile.LastLayerIndex;
}
public void SelectLayers(Enumerations.LayerRangeSelection range)
{
switch (range)
{
case Enumerations.LayerRangeSelection.None:
break;
case Enumerations.LayerRangeSelection.All:
SelectAllLayers();
break;
case Enumerations.LayerRangeSelection.Current:
//SelectCurrentLayer();
break;
case Enumerations.LayerRangeSelection.Bottom:
SelectBottomLayers();
break;
case Enumerations.LayerRangeSelection.Normal:
SelectNormalLayers();
break;
case Enumerations.LayerRangeSelection.First:
SelectFirstLayer();
break;
case Enumerations.LayerRangeSelection.Last:
SelectLastLayer();
break;
default:
throw new NotImplementedException();
}
}
/// <summary>
/// Called to init the object when <see cref="SlicerFile"/> changes
/// </summary>
public virtual void InitWithSlicerFile() { }
public void ClearROI()
{
ROI = Rectangle.Empty;
}
public void ClearROIandMasks()
{
ClearROI();
ClearMasks();
}
public void SetROIIfEmpty(Rectangle roi)
{
if (HaveROI) return;
ROI = roi;
}
public Mat GetRoiOrDefault(Mat defaultMat)
{
return HaveROI && defaultMat.Size != _roi.Size ? new Mat(defaultMat, _roi) : defaultMat;
}
public void ClearMasks()
{
MaskPoints = null;
}
public void SetMasksIfEmpty(Point[][] points)
{
if (HaveMask) return;
MaskPoints = points;
}
public Mat GetMask(Mat mat) => GetMask(_maskPoints, mat);
public Mat GetMask(Point[][] points, Mat mat)
{
if (!HaveMask) return null;
var mask = mat.CloneBlank();
using VectorOfVectorOfPoint vec = new(points);
CvInvoke.DrawContours(mask, vec, -1, EmguExtensions.WhiteByte, -1);
return GetRoiOrDefault(mask);
}
public void ApplyMask(Mat original, Mat result, Mat mask)
{
if (mask is null) return;
var originalRoi = GetRoiOrDefault(original);
var resultRoi = result;
if (originalRoi.Size != result.Size) // Accept a ROI mat
{
resultRoi = GetRoiOrDefault(result);
}
if (mask.Size != resultRoi.Size) // Accept a full size mask
{
mask = GetRoiOrDefault(mask);
}
using var tempMat = originalRoi.Clone();
resultRoi.CopyTo(tempMat, mask);
tempMat.CopyTo(resultRoi);
}
/// <summary>
/// Gets a mask and apply it
/// </summary>
/// <param name="original">Original unmodified image</param>
/// <param name="result">Result image which will also be modified</param>
public void ApplyMask(Mat original, Mat result)
{
using var mask = GetMask(original);
ApplyMask(original, result, mask);
}
protected virtual bool ExecuteInternally(OperationProgress progress)
{
throw new NotImplementedException();
}
public bool Execute(OperationProgress progress = null)
{
if (_slicerFile is null) throw new InvalidOperationException($"{Title} can't execute due the lacking of a file parent.");
if (!IsValidated)
{
var msg = Validate();
if(!string.IsNullOrWhiteSpace(msg)) throw new InvalidOperationException($"{Title} can't execute due some errors:\n{msg}");
}
progress ??= new OperationProgress();
progress.Reset(ProgressAction, LayerRangeCount);
HaveExecuted = true;
var result = ExecuteInternally(progress);
progress.Token.ThrowIfCancellationRequested();
return result;
}
public virtual bool Execute(Mat mat, params object[] arguments)
{
throw new NotImplementedException();
}
/// <summary>
/// Copy this operation base configuration to another operation.
/// Layer range, ROI, Masks
/// </summary>
/// <param name="operation"></param>
public void CopyConfigurationTo(Operation operation)
{
operation.LayerIndexStart = LayerIndexStart;
operation.LayerIndexEnd = LayerIndexEnd;
operation.ROI = ROI;
operation.MaskPoints = MaskPoints;
}
public void Serialize(string path)
{
XmlSerializer serializer = new(GetType());
using StreamWriter writer = new(path);
serializer.Serialize(writer, this);
}
public virtual Operation Clone()
{
var operation = MemberwiseClone() as Operation;
operation.SlicerFile = _slicerFile;
return operation;
}
public override string ToString()
{
if (!string.IsNullOrEmpty(ProfileName)) return ProfileName;
var result = $"{Title}: {LayerRangeString}";
return result;
}
public virtual void Dispose() { GC.SuppressFinalize(this); }
#endregion
#region Static Methods
public static Operation Deserialize(string path, Type type)
{
XmlSerializer serializer = new(type);
using var stream = File.OpenRead(path);
var operation = (Operation)serializer.Deserialize(stream);
operation.ImportedFrom = OperationImportFrom.Session;
return operation;
}
public static Operation Deserialize(string path, Operation operation) => Deserialize(path, operation.GetType());
#endregion
}
}
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