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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.Collections.Generic;
using System.Drawing;
using System.Linq;
using Emgu.CV;
using Emgu.CV.CvEnum;
using UVtools.Core.Extensions;
using UVtools.Core.FileFormats;
using UVtools.Core.Objects;
using UVtools.Core.Operations;
using Stream = System.IO.Stream;
namespace UVtools.Core
{
/// <summary>
/// Represent a Layer
/// </summary>
public class Layer : BindableBase, IEquatable<Layer>, IEquatable<uint>
{
#region Constants
public const byte HeightPrecision = 3;
public const decimal HeightPrecisionIncrement = 0.001M;
public const decimal MinimumHeight = 0.01M;
public const decimal MaximumHeight = 0.2M;
#endregion
#region Members
public object Mutex = new();
private byte[] _compressedBytes;
private uint _nonZeroPixelCount;
private Rectangle _boundingRectangle = Rectangle.Empty;
private bool _isModified;
private uint _index;
private float _positionZ;
private float _waitTimeBeforeCure;
private float _exposureTime;
private float _waitTimeAfterCure;
private float _lightOffDelay = FileFormat.DefaultLightOffDelay;
private float _liftHeight = FileFormat.DefaultLiftHeight;
private float _liftSpeed = FileFormat.DefaultLiftSpeed;
private float _waitTimeAfterLift;
private float _retractSpeed = FileFormat.DefaultRetractSpeed;
private byte _lightPwm = FileFormat.DefaultLightPWM;
private float _materialMilliliters;
#endregion
#region Properties
/// <summary>
/// Gets the parent layer manager
/// </summary>
public LayerManager ParentLayerManager { get; set; }
public FileFormat SlicerFile => ParentLayerManager?.SlicerFile;
/// <summary>
/// Gets the number of non zero pixels on this layer image
/// </summary>
public uint NonZeroPixelCount
{
get => _nonZeroPixelCount;
internal set
{
if(!RaiseAndSetIfChanged(ref _nonZeroPixelCount, value)) return;
RaisePropertyChanged(nameof(ExposureMillimeters));
MaterialMilliliters = 0; // Recalculate
}
}
/// <summary>
/// Gets if this layer is empty/all black pixels
/// </summary>
public bool IsEmpty => _nonZeroPixelCount == 0;
public float ExposureMillimeters
{
get
{
if (SlicerFile is null) return 0;
return (float) Math.Round(SlicerFile.PixelSizeMax * _nonZeroPixelCount, 2);
}
}
/// <summary>
/// Gets the bounding rectangle for the image area
/// </summary>
public Rectangle BoundingRectangle
{
get => _boundingRectangle;
internal set
{
RaiseAndSetIfChanged(ref _boundingRectangle, value);
RaisePropertyChanged(nameof(BoundingRectangleMillimeters));
}
}
/// <summary>
/// Gets the bounding rectangle for the image area in millimeters
/// </summary>
public RectangleF BoundingRectangleMillimeters
{
get
{
if (SlicerFile is null) return RectangleF.Empty;
var pixelSize = SlicerFile.PixelSize;
return new RectangleF(
(float) Math.Round(_boundingRectangle.X * pixelSize.Width, 2),
(float)Math.Round(_boundingRectangle.Y * pixelSize.Height, 2),
(float)Math.Round(_boundingRectangle.Width * pixelSize.Width, 2),
(float)Math.Round(_boundingRectangle.Height * pixelSize.Height, 2));
}
}
public bool IsBottomLayer => (uint)(PositionZ / SlicerFile.LayerHeight) <= ParentLayerManager.SlicerFile.BottomLayerCount;
public bool IsNormalLayer => !IsBottomLayer;
/// <summary>
/// Gets the layer index
/// </summary>
public uint Index
{
get => _index;
set => RaiseAndSetIfChanged(ref _index, value);
}
/// <summary>
/// Gets or sets the wait time in seconds before cure the layer
/// AKA: Light-off delay
/// Chitubox: Rest time after retract
/// Lychee: Wait before print
/// </summary>
public float WaitTimeBeforeCure
{
get => _waitTimeBeforeCure;
set
{
if (!RaiseAndSetIfChanged(ref _waitTimeBeforeCure, value)) return;
SlicerFile?.UpdatePrintTimeQueued();
}
}
/// <summary>
/// Gets or sets the exposure time in seconds
/// </summary>
public float ExposureTime
{
get => _exposureTime;
set
{
if (value <= 0) value = SlicerFile.GetInitialLayerValueOrNormal(Index, SlicerFile.BottomExposureTime, SlicerFile.ExposureTime);
if(!RaiseAndSetIfChanged(ref _exposureTime, value)) return;
SlicerFile?.UpdatePrintTimeQueued();
}
}
/// <summary>
/// Gets or sets the wait time in seconds after cure the layer
/// Chitubox: Rest time before lift
/// Lychee: Wait after print
/// </summary>
public float WaitTimeAfterCure
{
get => _waitTimeAfterCure;
set
{
if (!RaiseAndSetIfChanged(ref _waitTimeAfterCure, value)) return;
SlicerFile?.UpdatePrintTimeQueued();
}
}
/// <summary>
/// Gets or sets the layer off time in seconds
/// </summary>
public float LightOffDelay
{
get => _lightOffDelay;
set
{
if (value < 0) value = SlicerFile.GetInitialLayerValueOrNormal(Index, SlicerFile.BottomLightOffDelay, SlicerFile.LightOffDelay);
if(!RaiseAndSetIfChanged(ref _lightOffDelay, value)) return;
SlicerFile?.UpdatePrintTimeQueued();
}
}
/// <summary>
/// Gets or sets the lift height in mm
/// </summary>
public float LiftHeight
{
get => _liftHeight;
set
{
if (value < 0) value = SlicerFile.GetInitialLayerValueOrNormal(Index, SlicerFile.BottomLiftHeight, SlicerFile.LiftHeight);
if(!RaiseAndSetIfChanged(ref _liftHeight, value)) return;
SlicerFile?.UpdatePrintTimeQueued();
}
}
/// <summary>
/// Gets or sets the speed in mm/min
/// </summary>
public float LiftSpeed
{
get => _liftSpeed;
set
{
if (value <= 0) value = SlicerFile.GetInitialLayerValueOrNormal(Index, SlicerFile.BottomLiftSpeed, SlicerFile.LiftSpeed);
if(!RaiseAndSetIfChanged(ref _liftSpeed, value)) return;
SlicerFile?.UpdatePrintTimeQueued();
}
}
public float WaitTimeAfterLift
{
get => _waitTimeAfterLift;
set
{
if (!RaiseAndSetIfChanged(ref _waitTimeAfterLift, value)) return;
SlicerFile?.UpdatePrintTimeQueued();
}
}
/// <summary>
/// Gets the speed in mm/min for the retracts
/// </summary>
public float RetractSpeed
{
get => _retractSpeed;
set
{
if (value <= 0) value = SlicerFile.RetractSpeed;
if(!RaiseAndSetIfChanged(ref _retractSpeed, value)) return;
SlicerFile?.UpdatePrintTimeQueued();
}
}
/// <summary>
/// Gets or sets the pwm value from 0 to 255
/// </summary>
public byte LightPWM
{
get => _lightPwm;
set
{
//if (value == 0) value = SlicerFile.GetInitialLayerValueOrNormal(Index, SlicerFile.BottomLightPWM, SlicerFile.LightPWM);
//if (value == 0) value = FileFormat.DefaultLightPWM;
RaiseAndSetIfChanged(ref _lightPwm, value);
}
}
/// <summary>
/// Gets if this layer can be exposed to UV light
/// </summary>
public bool CanExpose => _exposureTime > 0 && _lightPwm > 0;
/// <summary>
/// Gets or sets the layer position on Z in mm
/// </summary>
public float PositionZ
{
get => _positionZ;
set
{
if(!RaiseAndSetIfChanged(ref _positionZ, value)) return;
RaisePropertyChanged(nameof(LayerHeight));
}
}
/// <summary>
/// Gets the layer height in millimeters of this layer
/// </summary>
public float LayerHeight
{
get
{
if (_index == 0) return _positionZ;
Layer previousLayer = this;
while ((previousLayer = previousLayer.PreviousLayer()) is not null) // This cycle returns the correct layer height if two or more layers have the same position z
{
var layerHeight = RoundHeight(_positionZ - previousLayer.PositionZ);
//Debug.WriteLine($"Layer {_index}-{previousLayer.Index}: {_positionZ} - {previousLayer.PositionZ}: {layerHeight}");
if (layerHeight == 0f) continue;
if (layerHeight < 0f) break;
return layerHeight;
}
return ParentLayerManager.SlicerFile.LayerHeight;
}
}
/// <summary>
/// Gets the computed material milliliters spent on this layer
/// </summary>
public float MaterialMilliliters
{
get => _materialMilliliters;
private set
{
if (ParentLayerManager?.SlicerFile is null) return;
if (value <= 0)
{
value = (float) Math.Round(ParentLayerManager.SlicerFile.PixelArea * ParentLayerManager.SlicerFile.LayerHeight * NonZeroPixelCount / 1000, 4);
}
if(!RaiseAndSetIfChanged(ref _materialMilliliters, value)) return;
SlicerFile.MaterialMilliliters = 0; // Recalculate global
RaisePropertyChanged(nameof(MaterialMillilitersPercent));
//ParentLayerManager.MaterialMillilitersTimer.Stop();
//if(!ParentLayerManager.MaterialMillilitersTimer.Enabled)
// ParentLayerManager.MaterialMillilitersTimer.Start();
}
}
/// <summary>
/// Gets the computed material milliliters percentage compared to the rest of the model
/// </summary>
public float MaterialMillilitersPercent => _materialMilliliters * 100 / SlicerFile.MaterialMilliliters;
/// <summary>
/// Gets or sets layer image compressed data
/// </summary>
public byte[] CompressedBytes
{
get => _compressedBytes;
set
{
_compressedBytes = value;
IsModified = true;
if (ParentLayerManager is not null)
ParentLayerManager.BoundingRectangle = Rectangle.Empty;
RaisePropertyChanged();
}
}
/// <summary>
/// Gets or sets a new image instance
/// </summary>
public Mat LayerMat
{
get
{
Mat mat = new();
CvInvoke.Imdecode(_compressedBytes, ImreadModes.Grayscale, mat);
return mat;
}
set
{
CompressedBytes = value.GetPngByes();
GetBoundingRectangle(value, true);
RaisePropertyChanged();
}
}
public Mat LayerMatBoundingRectangle => new(LayerMat, BoundingRectangle);
/// <summary>
/// Gets a new Brg image instance
/// </summary>
public Mat BrgMat
{
get
{
var mat = LayerMat;
CvInvoke.CvtColor(mat, mat, ColorConversion.Gray2Bgr);
return mat;
}
}
/// <summary>
/// Gets a computed layer filename, padding zeros are equal to layer count digits
/// </summary>
public string Filename => FormatFileName("layer");
/// <summary>
/// Gets if layer image has been modified
/// </summary>
public bool IsModified
{
get => _isModified;
set => RaiseAndSetIfChanged(ref _isModified, value);
}
/// <summary>
/// Gets if this layer have same value parameters as global settings
/// </summary>
public bool HaveGlobalParameters
{
get
{
if (SlicerFile is null) return false; // Cant verify
if (IsBottomLayer)
{
if (
LightOffDelay != SlicerFile.BottomLightOffDelay ||
WaitTimeBeforeCure != SlicerFile.BottomWaitTimeBeforeCure ||
ExposureTime != SlicerFile.BottomExposureTime ||
WaitTimeBeforeCure != SlicerFile.BottomWaitTimeBeforeCure ||
LiftHeight != SlicerFile.BottomLiftHeight ||
LiftSpeed != SlicerFile.BottomLiftSpeed ||
WaitTimeAfterLift != SlicerFile.BottomWaitTimeAfterLift ||
LightPWM != SlicerFile.BottomLightPWM
) return false;
}
else
{
if (
LightOffDelay != SlicerFile.LightOffDelay ||
WaitTimeBeforeCure != SlicerFile.WaitTimeBeforeCure ||
ExposureTime != SlicerFile.ExposureTime ||
WaitTimeAfterCure != SlicerFile.WaitTimeAfterCure ||
LiftHeight != SlicerFile.LiftHeight ||
LiftSpeed != SlicerFile.LiftSpeed ||
WaitTimeAfterLift != SlicerFile.WaitTimeAfterLift ||
LightPWM != SlicerFile.LightPWM
) return false;
}
if (RetractSpeed != SlicerFile.RetractSpeed) return false;
return true;
}
}
#endregion
#region Constructor
public Layer(uint index, LayerManager parentLayerManager)
{
ParentLayerManager = parentLayerManager;
_index = index;
if (parentLayerManager is null) return;
_positionZ = SlicerFile.GetHeightFromLayer(index);
_lightOffDelay = SlicerFile.GetInitialLayerValueOrNormal(index, SlicerFile.BottomLightOffDelay, SlicerFile.LightOffDelay);
_waitTimeBeforeCure = SlicerFile.GetInitialLayerValueOrNormal(index, SlicerFile.BottomWaitTimeBeforeCure, SlicerFile.WaitTimeBeforeCure);
_exposureTime = SlicerFile.GetInitialLayerValueOrNormal(index, SlicerFile.BottomExposureTime, SlicerFile.ExposureTime);
_waitTimeAfterCure = SlicerFile.GetInitialLayerValueOrNormal(index, SlicerFile.BottomWaitTimeAfterCure, SlicerFile.WaitTimeAfterCure);
_liftHeight = SlicerFile.GetInitialLayerValueOrNormal(index, SlicerFile.BottomLiftHeight, SlicerFile.LiftHeight);
_liftSpeed = SlicerFile.GetInitialLayerValueOrNormal(index, SlicerFile.BottomLiftSpeed, SlicerFile.LiftSpeed);
_waitTimeAfterLift = SlicerFile.GetInitialLayerValueOrNormal(index, SlicerFile.BottomWaitTimeAfterLift, SlicerFile.WaitTimeAfterLift);
_retractSpeed = SlicerFile.RetractSpeed;
_lightPwm = SlicerFile.GetInitialLayerValueOrNormal(index, SlicerFile.BottomLightPWM, SlicerFile.LightPWM);
}
public Layer(uint index, byte[] compressedBytes, LayerManager parentLayerManager) : this(index, parentLayerManager)
{
CompressedBytes = compressedBytes;
_isModified = false;
/*if (compressedBytes.Length > 0)
{
GetBoundingRectangle();
}*/
}
public Layer(uint index, byte[] compressedBytes, FileFormat slicerFile) : this(index, compressedBytes, slicerFile.LayerManager)
{}
public Layer(uint index, Mat layerMat, LayerManager parentLayerManager) : this(index, parentLayerManager)
{
LayerMat = layerMat;
_isModified = false;
}
public Layer(uint index, Mat layerMat, FileFormat slicerFile) : this(index, layerMat, slicerFile.LayerManager) { }
public Layer(uint index, Stream stream, LayerManager parentLayerManager) : this(index, stream.ToArray(), parentLayerManager) { }
public Layer(uint index, Stream stream, FileFormat slicerFile) : this(index, stream.ToArray(), slicerFile.LayerManager) { }
#endregion
#region Equatables
public static bool operator ==(Layer obj1, Layer obj2)
{
return obj1.Equals(obj2);
}
public static bool operator !=(Layer obj1, Layer obj2)
{
return !obj1.Equals(obj2);
}
public static bool operator >(Layer obj1, Layer obj2)
{
return obj1.Index > obj2.Index;
}
public static bool operator <(Layer obj1, Layer obj2)
{
return obj1.Index < obj2.Index;
}
public static bool operator >=(Layer obj1, Layer obj2)
{
return obj1.Index >= obj2.Index;
}
public static bool operator <=(Layer obj1, Layer obj2)
{
return obj1.Index <= obj2.Index;
}
public bool Equals(uint other)
{
return Index == other;
}
public bool Equals(Layer other)
{
if (other is null) return false;
if (ReferenceEquals(this, other)) return true;
if (_index != other._index) return false;
if (_compressedBytes.Length != other._compressedBytes.Length) return false;
return _compressedBytes.AsSpan().SequenceEqual(other._compressedBytes.AsSpan());
//return Equals(_compressedBytes, other._compressedBytes);
}
public override bool Equals(object obj)
{
if (ReferenceEquals(null, obj)) return false;
if (ReferenceEquals(this, obj)) return true;
if (obj.GetType() != GetType()) return false;
return Equals((Layer)obj);
}
public override int GetHashCode()
{
return (_compressedBytes != null ? _compressedBytes.GetHashCode() : 0);
}
private sealed class IndexRelationalComparer : IComparer<Layer>
{
public int Compare(Layer x, Layer y)
{
if (ReferenceEquals(x, y)) return 0;
if (ReferenceEquals(null, y)) return 1;
if (ReferenceEquals(null, x)) return -1;
return x.Index.CompareTo(y.Index);
}
}
public static IComparer<Layer> IndexComparer { get; } = new IndexRelationalComparer();
#endregion
#region Formaters
public override string ToString()
{
return $"{nameof(Index)}: {Index}, " +
$"{nameof(Filename)}: {Filename}, " +
$"{nameof(NonZeroPixelCount)}: {NonZeroPixelCount}, " +
$"{nameof(BoundingRectangle)}: {BoundingRectangle}, " +
$"{nameof(IsBottomLayer)}: {IsBottomLayer}, " +
$"{nameof(IsNormalLayer)}: {IsNormalLayer}, " +
$"{nameof(LayerHeight)}: {LayerHeight}mm, " +
$"{nameof(PositionZ)}: {PositionZ}mm, " +
$"{nameof(LightOffDelay)}: {LightOffDelay}s, " +
$"{nameof(WaitTimeBeforeCure)}: {WaitTimeBeforeCure}s, " +
$"{nameof(ExposureTime)}: {ExposureTime}s, " +
$"{nameof(WaitTimeAfterCure)}: {WaitTimeAfterCure}s, " +
$"{nameof(LiftHeight)}: {LiftHeight}mm, " +
$"{nameof(LiftSpeed)}: {LiftSpeed}mm/mim, " +
$"{nameof(WaitTimeAfterLift)}: {WaitTimeAfterLift}s, " +
$"{nameof(RetractSpeed)}: {RetractSpeed}mm/mim, " +
$"{nameof(LightPWM)}: {LightPWM}, " +
$"{nameof(IsModified)}: {IsModified}, " +
$"{nameof(HaveGlobalParameters)}: {HaveGlobalParameters}";
}
#endregion
#region Methods
public float CalculateMotorMovementTime(float extraTime = 0)
{
return OperationCalculator.LightOffDelayC.CalculateSeconds(_liftHeight, _liftSpeed, _retractSpeed, extraTime);
}
public float CalculateLightOffDelay(float extraTime = 0)
{
if (SlicerFile is null) return OperationCalculator.LightOffDelayC.CalculateSeconds(_liftHeight, _liftSpeed, _retractSpeed, extraTime);
return SlicerFile.SupportsGCode ? extraTime : OperationCalculator.LightOffDelayC.CalculateSeconds(_liftHeight, _liftSpeed, _retractSpeed, extraTime);
}
public void SetLightOffDelay(float extraTime = 0)
{
LightOffDelay = CalculateLightOffDelay(extraTime);
}
/// <summary>
/// Zero all 'wait times / delays' for this layer
/// </summary>
public void SetNoDelays()
{
LightOffDelay = 0;
WaitTimeBeforeCure = 0;
WaitTimeAfterCure = 0;
WaitTimeAfterLift = 0;
}
public string FormatFileName(string prepend, byte padDigits, bool layerIndexZeroStarted = true, string appendExt = ".png")
{
var index = Index;
if (!layerIndexZeroStarted)
{
index++;
}
return $"{prepend}{index.ToString().PadLeft(padDigits, '0')}{appendExt}";
}
public string FormatFileName(string prepend = "", bool layerIndexZeroStarted = true, string appendExt = ".png")
=> FormatFileName(prepend, ParentLayerManager.LayerDigits, layerIndexZeroStarted, appendExt);
public string FormatFileName(byte padDigits, bool layerIndexZeroStarted = true, string appendExt = ".png")
=> FormatFileName(string.Empty, padDigits, layerIndexZeroStarted, appendExt);
public Rectangle GetBoundingRectangle(Mat mat = null, bool reCalculate = false)
{
if (_nonZeroPixelCount > 0 && !reCalculate)
{
return BoundingRectangle;
}
bool needDispose = false;
if (mat is null)
{
if (_compressedBytes is null || _compressedBytes.Length == 0) return Rectangle.Empty;
mat = LayerMat;
needDispose = true;
}
using var nonZeroMat = new Mat();
CvInvoke.FindNonZero(mat, nonZeroMat);
NonZeroPixelCount = (uint)nonZeroMat.Height;
BoundingRectangle = NonZeroPixelCount > 0 ? CvInvoke.BoundingRectangle(nonZeroMat) : Rectangle.Empty;
if (needDispose) mat.Dispose();
return BoundingRectangle;
}
public Layer PreviousLayer()
{
if (ParentLayerManager is null || _index == 0)
return null;
return ParentLayerManager[_index - 1];
}
public Layer NextLayer()
{
if (ParentLayerManager is null || _index >= ParentLayerManager.LayerCount - 1)
return null;
return ParentLayerManager[_index + 1];
}
public bool SetValueFromPrintParameterModifier(FileFormat.PrintParameterModifier modifier, decimal value)
{
if (ReferenceEquals(modifier, FileFormat.PrintParameterModifier.LightOffDelay))
{
LightOffDelay = (float)value;
return true;
}
if (ReferenceEquals(modifier, FileFormat.PrintParameterModifier.WaitTimeBeforeCure))
{
WaitTimeBeforeCure = (float)value;
return true;
}
if (ReferenceEquals(modifier, FileFormat.PrintParameterModifier.ExposureTime))
{
ExposureTime = (float)value;
return true;
}
if (ReferenceEquals(modifier, FileFormat.PrintParameterModifier.WaitTimeAfterCure))
{
WaitTimeAfterCure = (float)value;
return true;
}
if (ReferenceEquals(modifier, FileFormat.PrintParameterModifier.LiftHeight))
{
LiftHeight = (float)value;
return true;
}
if (ReferenceEquals(modifier, FileFormat.PrintParameterModifier.LiftSpeed))
{
LiftSpeed = (float)value;
return true;
}
if (ReferenceEquals(modifier, FileFormat.PrintParameterModifier.WaitTimeAfterLift))
{
WaitTimeAfterLift = (float)value;
return true;
}
if (ReferenceEquals(modifier, FileFormat.PrintParameterModifier.RetractSpeed))
{
RetractSpeed = (float)value;
return true;
}
if (ReferenceEquals(modifier, FileFormat.PrintParameterModifier.LightPWM))
{
LightPWM = (byte)value;
return true;
}
return false;
}
public byte SetValuesFromPrintParametersModifiers(FileFormat.PrintParameterModifier[] modifiers)
{
if (modifiers is null) return 0;
byte changed = 0;
foreach (var modifier in modifiers)
{
if (!modifier.HasChanged) continue;
SetValueFromPrintParameterModifier(modifier, modifier.NewValue);
changed++;
}
return changed;
}
/*
/// <summary>
/// Gets all islands start pixel location for this layer
/// https://www.geeksforgeeks.org/find-number-of-islands/
/// </summary>
/// <returns><see cref="List{T}"/> holding all islands coordinates</returns>
public List<LayerIssue> GetIssues(uint requiredPixelsToSupportIsland = 5)
{
if (requiredPixelsToSupportIsland == 0)
requiredPixelsToSupportIsland = 1;
// These arrays are used to
// get row and column numbers
// of 8 neighbors of a given cell
List<LayerIssue> result = new();
List<Point> pixels = new();
var mat = LayerMat;
var bytes = mat.GetDataSpan<byte>();
var previousLayerImage = PreviousLayer()?.LayerMat;
var previousBytes = previousLayerImage?.GetBytes();
// Make a bool array to
// mark visited cells.
// Initially all cells
// are unvisited
bool[,] visited = new bool[mat.Width, mat.Height];
// Initialize count as 0 and
// traverse through the all
// cells of given matrix
//uint count = 0;
// Island checker
sbyte[] rowNbr = { -1, -1, -1, 0, 0, 1, 1, 1 };
sbyte[] colNbr = { -1, 0, 1, -1, 1, -1, 0, 1 };
const uint minPixel = 10;
const uint minPixelForSupportIsland = 200;
int pixelIndex;
uint islandSupportingPixels;
if (Index > 0)
{
for (int y = 0; y < mat.Height; y++)
{
for (int x = 0; x < mat.Width; x++)
{
pixelIndex = y * mat.Width + x;
if (bytes[pixelIndex] > minPixel && !visited[x, y])
{
// If a cell with value 1 is not
// visited yet, then new island
// found, Visit all cells in this
// island and increment island count
pixels.Clear();
pixels.Add(new Point(x, y));
islandSupportingPixels = previousBytes[pixelIndex] >= minPixelForSupportIsland ? 1u : 0;
int minX = x;
int maxX = x;
int minY = y;
int maxY = y;
int x2;
int y2;
Queue<Point> queue = new();
queue.Enqueue(new Point(x, y));
// Mark this cell as visited
visited[x, y] = true;
while (queue.Count > 0)
{
var point = queue.Dequeue();
y2 = point.Y;
x2 = point.X;
for (byte k = 0; k < 8; k++)
{
//if (isSafe(y2 + rowNbr[k], x2 + colNbr[k]))
var tempy2 = y2 + rowNbr[k];
var tempx2 = x2 + colNbr[k];
pixelIndex = tempy2 * mat.Width + tempx2;
if (tempy2 >= 0 &&
tempy2 < mat.Height &&
tempx2 >= 0 && tempx2 < mat.Width &&
bytes[pixelIndex] >= minPixel &&
!visited[tempx2, tempy2])
{
visited[tempx2, tempy2] = true;
point = new Point(tempx2, tempy2);
pixels.Add(point);
queue.Enqueue(point);
minX = Math.Min(minX, tempx2);
maxX = Math.Max(maxX, tempx2);
minY = Math.Min(minY, tempy2);
maxY = Math.Max(maxY, tempy2);
islandSupportingPixels += previousBytes[pixelIndex] >= minPixelForSupportIsland ? 1u : 0;
}
}
}
//count++;
if (islandSupportingPixels >= requiredPixelsToSupportIsland)
continue; // Not a island, bounding is strong
if (islandSupportingPixels > 0 && pixels.Count < requiredPixelsToSupportIsland &&
islandSupportingPixels >= Math.Max(1, pixels.Count / 2)) continue; // Not a island
result.Add(new LayerIssue(this, LayerIssue.IssueType.Island, pixels.ToArray(), new Rectangle(minX, minY, maxX - minX, maxY - minY)));
}
}
}
}
pixels.Clear();
// TouchingBounds Checker
for (int x = 0; x < mat.Width; x++) // Check Top and Bottom bounds
{
if (bytes[x] >= 200) // Top
{
pixels.Add(new Point(x, 0));
}
if (bytes[mat.Width * mat.Height - mat.Width + x] >= 200) // Bottom
{
pixels.Add(new Point(x, mat.Height - 1));
}
}
for (int y = 0; y < mat.Height; y++) // Check Left and Right bounds
{
if (bytes[y * mat.Width] >= 200) // Left
{
pixels.Add(new Point(0, y));
}
if (bytes[y * mat.Width + mat.Width - 1] >= 200) // Right
{
pixels.Add(new Point(mat.Width - 1, y));
}
}
if (pixels.Count > 0)
{
result.Add(new LayerIssue(this, LayerIssue.IssueType.TouchingBound, pixels.ToArray()));
}
pixels.Clear();
return result;
}*/
public Layer Clone()
{
return new(_index, CompressedBytes.ToArray(), ParentLayerManager)
{
PositionZ = _positionZ,
LightOffDelay = _lightOffDelay,
WaitTimeBeforeCure = _waitTimeBeforeCure,
ExposureTime = _exposureTime,
WaitTimeAfterCure = _waitTimeAfterCure,
LiftHeight = _liftHeight,
LiftSpeed = _liftSpeed,
WaitTimeAfterLift = _waitTimeAfterLift,
RetractSpeed = _retractSpeed,
LightPWM = _lightPwm,
BoundingRectangle = _boundingRectangle,
NonZeroPixelCount = _nonZeroPixelCount,
IsModified = _isModified,
MaterialMilliliters = _materialMilliliters
};
}
#endregion
#region Static Methods
public static float RoundHeight(float height) => (float) Math.Round(height, HeightPrecision);
public static double RoundHeight(double height) => Math.Round(height, HeightPrecision);
public static decimal RoundHeight(decimal height) => Math.Round(height, HeightPrecision);
public static string ShowHeight(float height) => string.Format($"{{0:F{HeightPrecision}}}", height);
public static string ShowHeight(double height) => string.Format($"{{0:F{HeightPrecision}}}", height);
public static string ShowHeight(decimal height) => string.Format($"{{0:F{HeightPrecision}}}", height);
public static Layer[] CloneLayers(Layer[] layers)
{
var clonedLayers = new Layer[layers.Length];
for (uint layerIndex = 0; layerIndex < layers.Length; layerIndex++)
{
clonedLayers[layerIndex] = layers[layerIndex]?.Clone();
}
return clonedLayers;
}
#endregion
}
}
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