/// <summary>
/// See <see cref="BaseColorCache.OnGetColorPaletteIndex"/> for more details.
/// </summary>
protected override void OnGetColorPaletteIndex(Color color, out Int32 paletteIndex)
{
BucketInfo bucket = GetBucket(color);
Int32 colorCount = bucket.Colors.Count();
paletteIndex = 0;
if (colorCount == 1)
{
paletteIndex = bucket.Colors.First().Key;
}
else
{
Int32 index = 0;
Int32 colorIndex = ColorModelHelper.GetEuclideanDistance(color, ColorModel, bucket.Colors.Values.ToList());
foreach (Int32 colorPaletteIndex in bucket.Colors.Keys)
{
if (index == colorIndex)
{
paletteIndex = colorPaletteIndex;
break;
}
index++;
}
}
}
/// <summary>
/// See <see cref="BaseColorCache.OnCachePalette"/> for more details.
/// </summary>
protected override void OnCachePalette(IList <Color> palette)
{
Int32 paletteIndex = 0;
minBucketIndex = quality;
maxBucketIndex = 0;
foreach (Color color in palette)
{
Int64 bucketIndex = GetColorBucketIndex(color);
BucketInfo bucket = buckets[bucketIndex] ?? new BucketInfo();
bucket.AddColor(paletteIndex++, color);
buckets[bucketIndex] = bucket;
if (bucketIndex < minBucketIndex)
{
minBucketIndex = bucketIndex;
}
if (bucketIndex > maxBucketIndex)
{
maxBucketIndex = bucketIndex;
}
}
}
