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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.Text;
using System.Threading.Tasks;
using System.Xml.Serialization;
using Emgu.CV;
using Emgu.CV.CvEnum;
using Emgu.CV.Structure;
using Emgu.CV.Util;
using UVtools.Core.Extensions;
using UVtools.Core.FileFormats;
using UVtools.Core.Objects;
namespace UVtools.Core.Operations
{
[Serializable]
public class OperationRedrawModel : Operation
{
#region Members
private string _filePath;
private byte _brightness = 220;
private bool _contactPointsOnly = true;
private RedrawTypes _redrawType = RedrawTypes.Supports;
private bool _ignoreContactLessPixels = true;
#endregion
#region Overrides
public override Enumerations.LayerRangeSelection StartLayerRangeSelection { get; } = Enumerations.LayerRangeSelection.None;
public override string Title => "Redraw model/supports";
public override string Description =>
"Redraw the model or supports with a set brightness. This requires an extra sliced file from same object but without any supports and raft, straight to the build plate.\n" +
"Note: Run this tool prior to any made modification. You must find the optimal exposure/brightness combo, or supports can fail.";
public override string ConfirmationText => "redraw the "+ (_redrawType == RedrawTypes.Supports ? "supports" : "model") +
$" with an brightness of {_brightness}?";
public override string ProgressTitle => "Redrawing " + (_redrawType == RedrawTypes.Supports ? "supports" : "model");
public override string ProgressAction => "Redraw layers";
public override StringTag Validate(params object[] parameters)
{
var sb = new StringBuilder();
if (IsFileValid() is null)
{
sb.AppendLine("The selected file is not valid.");
}
return new StringTag(sb.ToString());
}
public override string ToString()
{
var result = $"[{_redrawType}] [B: {_brightness}] [CS: {_contactPointsOnly}] [ICLP: {_ignoreContactLessPixels}]";
if (!string.IsNullOrEmpty(ProfileName)) result = $"{ProfileName}: {result}";
return result;
}
#endregion
#region Enums
public enum RedrawTypes : byte
{
Supports,
Model,
}
#endregion
#region Constructor
public OperationRedrawModel() { }
public OperationRedrawModel(FileFormat slicerFile) : base(slicerFile) { }
#endregion
#region Properties
[XmlIgnore]
public string FilePath
{
get => _filePath;
set => RaiseAndSetIfChanged(ref _filePath, value);
}
public RedrawTypes RedrawType
{
get => _redrawType;
set => RaiseAndSetIfChanged(ref _redrawType, value);
}
public static Array RedrawTypesItems => Enum.GetValues(typeof(RedrawTypes));
public byte Brightness
{
get => _brightness;
set
{
if (!RaiseAndSetIfChanged(ref _brightness, value)) return;
RaisePropertyChanged(nameof(BrightnessPercent));
}
}
public decimal BrightnessPercent => Math.Round(_brightness * 100 / 255M, 2);
public bool ContactPointsOnly
{
get => _contactPointsOnly;
set => RaiseAndSetIfChanged(ref _contactPointsOnly, value);
}
public bool IgnoreContactLessPixels
{
get => _ignoreContactLessPixels;
set => RaiseAndSetIfChanged(ref _ignoreContactLessPixels, value);
}
#endregion
#region Equality
protected bool Equals(OperationRedrawModel other)
{
return _brightness == other._brightness && _contactPointsOnly == other._contactPointsOnly && _redrawType == other._redrawType && _ignoreContactLessPixels == other._ignoreContactLessPixels;
}
public override bool Equals(object obj)
{
if (ReferenceEquals(null, obj)) return false;
if (ReferenceEquals(this, obj)) return true;
if (obj.GetType() != this.GetType()) return false;
return Equals((OperationRedrawModel) obj);
}
public override int GetHashCode()
{
return HashCode.Combine(_brightness, _contactPointsOnly, (int) _redrawType, _ignoreContactLessPixels);
}
#endregion
#region Methods
public FileFormat IsFileValid(bool returnNewInstance = false) =>
FileFormat.FindByExtension(_filePath, true, returnNewInstance);
protected override bool ExecuteInternally(OperationProgress progress)
{
var otherFile = IsFileValid(true);
otherFile.Decode(_filePath, progress);
progress.Reset(ProgressAction, otherFile.LayerCount);
int startLayerIndex = (int)(SlicerFile.LayerCount - otherFile.LayerCount);
if (startLayerIndex < 0) return false;
Parallel.For(0, otherFile.LayerCount, layerIndex =>
{
if (progress.Token.IsCancellationRequested) return;
var fullMatLayerIndex = startLayerIndex + layerIndex;
using var fullMat = SlicerFile[fullMatLayerIndex].LayerMat;
using var original = fullMat.Clone();
using var bodyMat = otherFile[layerIndex].LayerMat;
using var fullMatRoi = GetRoiOrDefault(fullMat);
using var bodyMatRoi = GetRoiOrDefault(bodyMat);
using var patternMat = EmguExtensions.InitMat(fullMatRoi.Size, new MCvScalar(255 - _brightness));
using var supportsMat = new Mat();
bool modified = false;
if (_redrawType == RedrawTypes.Supports && _contactPointsOnly)
{
if (layerIndex + 1 >= otherFile.LayerCount) return;
CvInvoke.Subtract(fullMatRoi, bodyMatRoi, supportsMat); // Supports
using var contours = new VectorOfVectorOfPoint();
using var hierarchyMat = new Mat();
CvInvoke.FindContours(supportsMat, contours, hierarchyMat, RetrType.List, ChainApproxMethod.ChainApproxSimple);
if (contours.Size <= 0) return;
using var nextLayerMat = otherFile[layerIndex + 1].LayerMat;
using var nextLayerMatRoi = GetRoiOrDefault(nextLayerMat);
var fullSpan = fullMatRoi.GetPixelSpan<byte>();
var supportsSpan = supportsMat.GetPixelSpan<byte>();
var nextSpan = nextLayerMatRoi.GetPixelSpan<byte>();
for (int i = 0; i < contours.Size; i++)
{
var foundContour = false;
var rectangle = CvInvoke.BoundingRectangle(contours[i]);
for (int y = rectangle.Y; y < rectangle.Bottom && !foundContour; y++)
for (int x = rectangle.X; x < rectangle.Right; x++)
{
var pos = supportsMat.GetPixelPos(x, y);
if (_ignoreContactLessPixels)
{
if (supportsSpan[pos] <= 10) continue;
if (nextSpan[pos] <= 0) continue;
modified = true;
fullSpan[pos] = _brightness;
}
else
{
if (supportsSpan[pos] <= 100) continue;
if (nextSpan[pos] <= 150) continue;
CvInvoke.DrawContours(fullMatRoi, contours, i, new MCvScalar(_brightness), -1, LineType.AntiAlias);
modified = true;
foundContour = true;
break;
}
}
}
}
else
{
switch (_redrawType)
{
case RedrawTypes.Supports:
CvInvoke.Subtract(fullMatRoi, bodyMatRoi, supportsMat); // Supports
break;
case RedrawTypes.Model:
CvInvoke.BitwiseAnd(fullMatRoi, bodyMatRoi, supportsMat); // Model
break;
}
CvInvoke.Subtract(fullMatRoi, patternMat, fullMatRoi, supportsMat);
modified = true;
}
if (modified)
{
ApplyMask(original, fullMat);
SlicerFile[fullMatLayerIndex].LayerMat = fullMat;
}
progress.LockAndIncrement();
});
return !progress.Token.IsCancellationRequested;
}
#endregion
}
}
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