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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.Threading.Tasks;
using Emgu.CV;
using Emgu.CV.CvEnum;
using Emgu.CV.Structure;
using Emgu.CV.Util;
using UVtools.Core.Extensions;
using UVtools.Core.FileFormats;
namespace UVtools.Core.Operations
{
[Serializable]
public sealed class OperationSolidify : Operation
{
public enum AreaCheckTypes
{
More,
Less
}
private uint _minimumArea = 1;
private AreaCheckTypes _areaCheckType = AreaCheckTypes.More;
#region Overrides
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 Methods
public override bool Execute(FileFormat slicerFile, OperationProgress progress = null)
{
progress ??= new OperationProgress();
progress.Reset(ProgressAction, LayerRangeCount);
Parallel.For(LayerIndexStart, LayerIndexEnd + 1, layerIndex =>
{
if (progress.Token.IsCancellationRequested) return;
using var mat = slicerFile[layerIndex].LayerMat;
Execute(mat);
slicerFile[layerIndex].LayerMat = mat;
lock (progress.Mutex)
{
progress++;
}
});
progress.Token.ThrowIfCancellationRequested();
return true;
}
public override bool Execute(Mat mat, params object[] arguments)
{
using Mat filteredMat = new Mat();
using VectorOfVectorOfPoint contours = new VectorOfVectorOfPoint();
using Mat hierarchy = new Mat();
Mat target = GetRoiOrDefault(mat);
CvInvoke.Threshold(target, filteredMat, 127, 255, ThresholdType.Binary); // Clean AA
CvInvoke.FindContours(filteredMat, contours, hierarchy, RetrType.Ccomp, ChainApproxMethod.ChainApproxSimple);
var arr = hierarchy.GetData();
for (int i = 0; i < contours.Size; i++)
{
if ((int)arr.GetValue(0, i, 2) != -1 || (int)arr.GetValue(0, i, 3) == -1) continue;
if (MinimumArea >= 1)
{
var rectangle = CvInvoke.BoundingRectangle(contours[i]);
if (AreaCheckType == AreaCheckTypes.More)
{
if (rectangle.GetArea() < MinimumArea) continue;
}
else
{
if (rectangle.GetArea() > MinimumArea) continue;
}
}
CvInvoke.DrawContours(target, contours, i, new MCvScalar(255), -1);
}
return true;
}
#endregion
}
}
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