private CollageImage GetClosestImage(ColorValue templateValue) { CollageImage closest = null; double range = int.MaxValue; ColorName dominant = templateValue.GetDominantColor(); double dominantValue = templateValue.GetDominantValue(); for (int j = 0; j < CollageImages.Count(); ++j) { //double next = Math.Abs(CollageImages[j].ColorValues.GetColorValue(dominant) - dominantValue); double next = ColorDistance(CollageImages[j].ColorValues, templateValue); if (next < range) { range = next; closest = CollageImages[j]; } } return(closest); }