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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;
using Tango.BL.ColorConversion;
using Tango.BL.Entities;
using Tango.BL.Enumerations;
using Tango.Core;
namespace Tango.Integration.Operation
{
/// <summary>
/// Represents the default <see cref="IMachineOperator"/> gradient steps generation configuration.
/// </summary>
public class DefaultGradientGenerationConfiguration : ExtendedObject, IGradientGenerationConfiguration
{
private bool _isEnabled;
/// <summary>
/// Gets or sets a value indicating whether to generate the gradient steps.
/// </summary>
public bool IsEnabled
{
get { return _isEnabled; }
set { _isEnabled = value; RaisePropertyChangedAuto(); }
}
private int _resolutionCM;
/// <summary>
/// Gets or sets the gradient steps resolution in centimeters.
/// </summary>
public int ResolutionCM
{
get { return _resolutionCM; }
set { _resolutionCM = value; RaisePropertyChangedAuto(); }
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultGradientGenerationConfiguration"/> class.
/// </summary>
public DefaultGradientGenerationConfiguration()
{
ResolutionCM = 10;
}
/// <summary>
/// Creates a collection of brush stops representing the required gradient steps.
/// </summary>
/// <param name="segment">The segment.</param>
/// <param name="processParameters">The process parameters.</param>
/// <param name="progress">Progress callback.</param>
/// <returns></returns>
public List<BrushStop> Generate(Segment segment, ProcessParametersTable processParameters, Action<PreparingJobProgressEventArgs> progress = null)
{
List<BrushStop> stops = new List<BrushStop>();
int stopIndex = 1;
for (double cm = 0; cm < segment.Length; cm += (ResolutionCM / 100d))
{
double offset = (double)cm / segment.Length;
var color = GetRelativeColor(segment.BrushStops.ToList(), offset);
var output = TangoColorConverter.GetSuggestions(segment.Job, color);
BrushStop s = new BrushStop();
s.Segment = segment;
s.ColorSpace = new ColorSpace();
s.ColorSpace.Code = ColorSpaces.RGB.ToInt32();
s.Corrected = true;
s.OffsetPercent = offset * 100d;
s.OffsetMeters = segment.Length * offset;
s.Red = color.R;
s.Green = color.G;
s.Blue = color.B;
s.StopIndex = stopIndex++;
TangoColorConverter.ApplyBrushStopCorrection(s, processParameters, output);
stops.Add(s);
progress?.Invoke(new PreparingJobProgressEventArgs()
{
Job = segment.Job,
Total = segment.Length,
Progress = cm,
});
}
progress?.Invoke(new PreparingJobProgressEventArgs()
{
Job = segment.Job,
Total = segment.Length,
Progress = segment.Length,
});
return stops;
}
private Color GetRelativeColor(List<BrushStop> brushStopsCollection, double offset)
{
brushStopsCollection = brushStopsCollection.Select(x => x.ShallowClone()).ToList();
brushStopsCollection.ForEach(x => x.OffsetPercent = x.OffsetPercent / 100d);
var point = brushStopsCollection.SingleOrDefault(f => f.OffsetPercent == offset);
if (point != null) return point.Color;
BrushStop before = brushStopsCollection.Where(w => w.OffsetPercent == brushStopsCollection.Min(m => m.OffsetPercent)).First();
BrushStop after = brushStopsCollection.Where(w => w.OffsetPercent == brushStopsCollection.Max(m => m.OffsetPercent)).First();
foreach (var gs in brushStopsCollection)
{
if (gs.OffsetPercent < offset && gs.OffsetPercent > before.OffsetPercent)
{
before = gs;
}
if (gs.OffsetPercent > offset && gs.OffsetPercent < after.OffsetPercent)
{
after = gs;
}
}
var color = new Color();
color.ScA = (float)((offset - before.OffsetPercent) * (after.Color.ScA - before.Color.ScA) / (after.OffsetPercent - before.OffsetPercent) + before.Color.ScA);
color.ScR = (float)((offset - before.OffsetPercent) * (after.Color.ScR - before.Color.ScR) / (after.OffsetPercent - before.OffsetPercent) + before.Color.ScR);
color.ScG = (float)((offset - before.OffsetPercent) * (after.Color.ScG - before.Color.ScG) / (after.OffsetPercent - before.OffsetPercent) + before.Color.ScG);
color.ScB = (float)((offset - before.OffsetPercent) * (after.Color.ScB - before.Color.ScB) / (after.OffsetPercent - before.OffsetPercent) + before.Color.ScB);
return color;
}
}
}
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