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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 Emgu.CV;
using Emgu.CV.CvEnum;
using System;
using System.Threading.Tasks;
using UVtools.Core.EmguCV;
using UVtools.Core.Extensions;
using UVtools.Core.FileFormats;
namespace UVtools.Core.Operations;
public sealed class OperationSolidify : Operation
{
#region Enums
public enum AreaCheckTypes
{
More,
Less
}
#endregion
#region Members
private uint _minimumArea = 1;
private AreaCheckTypes _areaCheckType = AreaCheckTypes.More;
#endregion
#region Overrides
public override string IconClass => "fa-solid fa-diamond";
public override string Title => "Solidify";
public override string Description =>
"Solidifies the selected layers, closing all interior holes.\n\n" +
"NOTE: All open areas of the layer that are completely surrounded by pixels will be filled. Please ensure that none of the holes in the layer are required before proceeding.";
public override string ConfirmationText =>
$"solidify layers {LayerIndexStart} through {LayerIndexEnd}?";
public override string ProgressTitle =>
$"Solidifying layers {LayerIndexStart} through {LayerIndexEnd}";
public override string ProgressAction => "Solidified layers";
/// <summary>
/// Gets the minimum required area to solidify it
/// </summary>
public uint MinimumArea
{
get => _minimumArea;
set => RaiseAndSetIfChanged(ref _minimumArea, Math.Max(1, value));
}
public AreaCheckTypes AreaCheckType
{
get => _areaCheckType;
set => RaiseAndSetIfChanged(ref _areaCheckType, value);
}
public static Array AreaCheckTypeItems => Enum.GetValues(typeof(AreaCheckTypes));
public override string ToString()
{
var result = $"[Area: {_areaCheckType} than {_minimumArea}px²]" + LayerRangeString;
if (!string.IsNullOrEmpty(ProfileName)) result = $"{ProfileName}: {result}";
return result;
}
#endregion
#region Constructor
public OperationSolidify() { }
public OperationSolidify(FileFormat slicerFile) : base(slicerFile) { }
#endregion
#region Methods
protected override bool ExecuteInternally(OperationProgress progress)
{
Parallel.For(LayerIndexStart, LayerIndexEnd + 1, CoreSettings.GetParallelOptions(progress), layerIndex =>
{
using var mat = SlicerFile[layerIndex].LayerMat;
Execute(mat);
SlicerFile[layerIndex].LayerMat = mat;
progress.LockAndIncrement();
});
return !progress.Token.IsCancellationRequested;
}
public override bool Execute(Mat mat, params object[]? arguments)
{
using Mat filteredMat = new();
using var original = mat.Clone();
var target = GetRoiOrDefault(mat);
CvInvoke.Threshold(target, filteredMat, 127, 255, ThresholdType.Binary); // Clean AA
using var contours = filteredMat.FindContours(out var hierarchy, RetrType.Ccomp);
for (int i = 0; i < contours.Size; i++)
{
if (hierarchy[i, EmguContour.HierarchyFirstChild] != -1 || hierarchy[i, EmguContour.HierarchyParent] == -1) continue;
if (MinimumArea >= 1)
{
var area = CvInvoke.ContourArea(contours[i]);
if (AreaCheckType == AreaCheckTypes.More)
{
if (area < MinimumArea) continue;
}
else
{
if (area > MinimumArea) continue;
}
}
CvInvoke.DrawContours(target, contours, i, EmguExtensions.WhiteColor, -1);
}
ApplyMask(original, target);
return true;
}
#endregion
}
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