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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 Emgu.CV;
using UVtools.Core.Extensions;
using UVtools.Core.FileFormats;
using UVtools.Core.Objects;
namespace UVtools.Core.Operations
{
[Serializable]
public class OperationResize : Operation
{
#region Members
private decimal _x = 100;
private decimal _y = 100;
private bool _constrainXy;
private bool _isFade;
#endregion
#region Overrides
public override string Title => "Resize";
public override string Description =>
"Resize the model by a percentage in the X/Y plane.\n\n" +
"NOTE: This operation is applied based on the original orientation of the layers in the model file. " +
"If the image is rotated 90° in the Layer Preview, you will need to compensate by inverting " +
"the X and Y values. The print bounds will also not be validated as part of this operation, so please " +
"ensure that the scaling factor does not result in the model being clipped.";
public override string ConfirmationText =>
$"resize model layers {LayerIndexStart} through {LayerIndexEnd} by " +
$"X={X}% and Y={Y}%";
public override string ProgressTitle =>
$"Resizing from layers {LayerIndexStart} to {LayerIndexEnd} at X:{X}% Y:{Y}% ";
public override string ProgressAction => "Resized layers";
public override StringTag Validate(params object[] parameters)
{
var sb = new StringBuilder();
if (X == 100m && Y == 100m)
{
sb.AppendLine("X and Y can't both be 100%.");
}
return new StringTag(sb.ToString());
}
#endregion
#region Properties
public decimal X
{
get => _x;
set
{
RaiseAndSetIfChanged(ref _x, value);
if (_constrainXy)
Y = value;
RaisePropertyChanged(nameof(XScale));
}
}
public decimal XScale => _x / 100m;
public decimal YScale => _y / 100m;
public decimal Y
{
get => _y;
set
{
if(!RaiseAndSetIfChanged(ref _y, value)) return;
RaisePropertyChanged(nameof(YScale));
}
}
public bool ConstrainXY
{
get => _constrainXy;
set
{
if (!RaiseAndSetIfChanged(ref _constrainXy, value)) return;
if (_constrainXy)
{
Y = _x;
}
}
}
public bool IsFade
{
get => _isFade;
set => RaiseAndSetIfChanged(ref _isFade, value);
}
#endregion
#region Constructor
public OperationResize() { }
public OperationResize(FileFormat slicerFile) : base(slicerFile) { }
#endregion
public override string ToString()
{
var result = $"[X: {_x}%, Y: {_y}%] [Fade: {_isFade}] [Constrain: {_constrainXy}]"+ LayerRangeString;
if (!string.IsNullOrEmpty(ProfileName)) result = $"{ProfileName}: {result}";
return result;
}
#region Equality
protected bool Equals(OperationResize other)
{
return _x == other._x && _y == other._y && _constrainXy == other._constrainXy && _isFade == other._isFade;
}
public override bool Equals(object obj)
{
if (obj is null) return false;
if (ReferenceEquals(this, obj)) return true;
if (obj.GetType() != GetType()) return false;
return Equals((OperationResize) obj);
}
public override int GetHashCode()
{
unchecked
{
var hashCode = _x.GetHashCode();
hashCode = (hashCode * 397) ^ _y.GetHashCode();
hashCode = (hashCode * 397) ^ _constrainXy.GetHashCode();
hashCode = (hashCode * 397) ^ _isFade.GetHashCode();
return hashCode;
}
}
#endregion
#region Methods
protected override bool ExecuteInternally(OperationProgress progress)
{
if (X == 1m && Y == 1m) return false;
decimal xSteps = Math.Abs(X - 1) / (LayerIndexEnd - LayerIndexStart);
decimal ySteps = Math.Abs(Y - 1) / (LayerIndexEnd - LayerIndexStart);
Parallel.For(LayerIndexStart, LayerIndexEnd + 1, layerIndex =>
{
if (progress.Token.IsCancellationRequested) return;
var newX = X;
var newY = Y;
if (IsFade)
{
if (newX != 1m)
{
//maxIteration = Math.Max(iterationsStart, iterationsEnd);
newX = newX < 1m
? newX + (layerIndex - LayerIndexStart) * xSteps
: newX - (layerIndex - LayerIndexStart) * xSteps;
// constrain
//iterations = Math.Min(Math.Max(1, iterations), maxIteration);
}
if (newY != 1m)
{
//maxIteration = Math.Max(iterationsStart, iterationsEnd);
newY = (newY < 1m
? newY + (layerIndex - LayerIndexStart) * ySteps
: newY - (layerIndex - LayerIndexStart) * ySteps);
// constrain
//iterations = Math.Min(Math.Max(1, iterations), maxIteration);
}
}
lock (progress.Mutex)
{
progress++;
}
if (newX == 1.0m && newY == 1.0m) return;
using var mat = SlicerFile[layerIndex].LayerMat;
Execute(mat, newX / 100m, newY / 100m);
SlicerFile[layerIndex].LayerMat = mat;
});
return !progress.Token.IsCancellationRequested;
}
public override bool Execute(Mat mat, params object[] arguments)
{
var xScale = XScale;
var yScale = YScale;
if (arguments is not null && arguments.Length >= 2)
{
xScale = (decimal) arguments[0];
yScale = (decimal) arguments[1];
}
var target = GetRoiOrDefault(mat);
target.TransformFromCenter((double) xScale, (double) yScale);
return true;
}
#endregion
}
}
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