public Color FindBestMatch(Color toMatch)
{
if (BestMatchCache.TryGetValue(toMatch, out Color found))
{
return(found);
}
if (toMatch.A < 30)
{
var cc = Materials.Air.getAverageColor(true);
BestMatchCache[toMatch] = cc;
return(cc);
}
var rt = this.colorPalette.FindBestMatch(toMatch);
if (rt != default(Color))
{
BestMatchCache[toMatch] = rt;
}
return(rt);
}
/// <summary>
///
/// </summary>
/// <param name="worker"></param>
/// <param name="isClearBestMatchCache"></param>
/// <param name="materials"></param>
/// <exception cref="OperationCanceledException"></exception>
/// <returns></returns>
public async Task CompileColorPalette(CancellationToken worker, bool isClearBestMatchCache, List <Material> materials)
{
bool isSide = Options.Get.IsSideView;
bool isMultiLayer = Options.Get.IsMultiLayer;
bool isMultiLayerRequired = Options.Get.IsMultiLayerRequired;
bool isAllowGlassByItself = false && !materials.Any(x => x.IsEnabled && x.Category != "Glass" && x.Category != "Air");
if (isClearBestMatchCache)
{
this.BestMatchCache.Clear();
this.ColorToMaterialMap.Clear();
this.colorPalette.Clear();
this.colorPalette = new KDColorTree();
}
int n = 0;
int maxN = materials.Count(x => x.IsEnabled && x.Category != "Glass");
if (isMultiLayer)
{
if (isMultiLayerRequired)
{
maxN = maxN * Math.Max(1, materials.Count(x => x.IsEnabled && x.Category == "Glass"));
}
else
{
maxN += maxN * materials.Count(x => x.IsEnabled && x.Category == "Glass");
}
}
maxN = (int)(maxN * 1.20); // 1 for base. Reserve 20% for remaining iterations.
Dictionary <Color, Material[]> colorToMaterialMap = new Dictionary <Color, Material[]>();
TaskManager.SafeReport(0, "Compiling Color Map based on selected materials.");
var categoriesSelected = Materials.List.Where(m2 => m2.IsEnabled && m2.Category != "Air").Select(m2 => m2.Category).Distinct();
var baseLayer = materials.Where(m2 => m2.IsEnabled && m2.Category != "Glass" && m2.Category != "Air").ToList();
var parallelOptions = new ParallelOptions()
{
CancellationToken = worker,
MaxDegreeOfParallelism = Math.Max(1, Environment.ProcessorCount / 2)
};
#region Layer 1
await Task.Run(() => Parallel.ForEach(baseLayer, parallelOptions, m =>
{
Color cAvg = m.getAverageColor(isSide);
lock (colorToMaterialMap)
{
colorToMaterialMap[cAvg] = new Material[1] {
m
};
}
Interlocked.Increment(ref n);
if (n % 30 == 0)
{
TaskManager.SafeReport(100 * n / maxN);
if (worker.SafeIsCancellationRequested())
{
lock (colorToMaterialMap)
{
colorToMaterialMap.Clear();
}
worker.SafeThrowIfCancellationRequested();
}
}
}));
#endregion Layer 1
#region Layer 2
if (isMultiLayer)
{
Dictionary <Color, Material[]> toAdd = new Dictionary <Color, Material[]>();
List <Material> glasses = Materials.List.Where(m2 => m2.Category == "Glass" && m2.IsEnabled).ToList();
List <Material[]> layer1; lock (colorToMaterialMap) { layer1 = colorToMaterialMap.Values.Where(cm => cm.Length == 1).ToList(); }
await Task.Run(() => Parallel.ForEach(layer1, parallelOptions, mArr =>
{
Color mArrAvgColor = mArr[0].getAverageColor(isSide);
foreach (Material glassM in glasses)
{
Color combinedColor = OverlayColor(glassM.getAverageColor(isSide), mArrAvgColor);
Material[] matMap = new Material[mArr.Length + 1];
for (int i = 0; i < mArr.Length; i++)
{
matMap[i] = mArr[i];
}
matMap[matMap.Length - 1] = glassM;
lock (colorToMaterialMap)
{
// Either prefer single layer, or... allow replacing because multi layer is preferred.
if (isMultiLayerRequired || !colorToMaterialMap.ContainsKey(combinedColor))
{
lock (toAdd)
{
toAdd[combinedColor] = matMap;
}
}
}
Interlocked.Increment(ref n);
if (n % 30 == 0)
{
TaskManager.SafeReport(100 * n / maxN);
if (worker.SafeIsCancellationRequested())
{
lock (colorToMaterialMap)
{
colorToMaterialMap.Clear();
}
worker.SafeThrowIfCancellationRequested();
}
}
}
}));
lock (colorToMaterialMap)
{
if (isMultiLayerRequired)
{
colorToMaterialMap.Clear();
toAdd.ToList().ForEach(kvp => colorToMaterialMap[kvp.Key] = kvp.Value);
}
else
{
foreach (Color c in toAdd.Keys)
{
if (!colorToMaterialMap.ContainsKey(c))
{
colorToMaterialMap[c] = toAdd[c];
}
}
}
}
toAdd.Clear();
}
#endregion Layer 2
#region Finalize
lock (colorToMaterialMap)
{
TaskManager.SafeReport(80);
lock (this.colorPalette)
{
this.colorPalette.Clear();
this.colorPalette = new KDColorTree();
colorToMaterialMap.Keys.Where(c => c.ToArgb() != 16777215 && c.A != 0)
.ToList()
.ForEach(c => this.colorPalette.Add(c));
}
colorToMaterialMap[Materials.Air.getAverageColor(isSide)] = new Material[1] {
Materials.Air
};
colorToMaterialMap[Color.FromArgb(0, 255, 255, 255)] = new Material[1] {
Materials.Air
};
}
TaskManager.SafeReport(90);
lock (this.BestMatchCache)
{
if (isClearBestMatchCache)
{
BestMatchCache.Clear();
}
else
{
this.BestMatchCache.ToList().ForEach(kvp =>
{
if (!colorToMaterialMap.ContainsKey(kvp.Value))
{
this.BestMatchCache.Remove(kvp.Key);
}
});
}
}
#endregion Finalize
TaskManager.SafeReport(100, "Color map finished compiling");
this.ColorToMaterialMap = colorToMaterialMap;
}