public static void Normalize(this BufferData2D<float> target)
{
var collection = target.Where(v => v != 1);
var min = collection.Min();
var max = collection.Max();
var span = max - min;
var factor = 1.0f / span;
for (var y = 0; y < target.SizeY; y++)
{
for (var x = 0; x < target.SizeX; x++)
{
var value = target[x, y];
if (value != 1.0f)
{
value -= min;
value *= factor;
//value = 1 - value;
//value *= 300;
//value = 1 - value;
value = Math.Max(0, Math.Min(value, 1f));
target[x, y] = value;
}
}
}
}
public static void ConvertBgraToRgba<T>(this BufferData2D<T> source)
where T : struct
{
var intArray = source.Span;
var bgrArray = MemoryMarshal.Cast<T, Bgra32>(intArray);
var rgbArray = MemoryMarshal.Cast<T, Rgba32>(intArray);
for (var i = 0; i < source.Length; i++)
rgbArray[i].FromBgra32(bgrArray[i]);
}
public static unsafe void CopyTo<T>(this BufferData2D<T> source, Image destination)
where T : struct
{
// var copy = (BufferData2D<int>)source.Clone();
// if (copy.PixelFormat == GamePixelFormat.Bgra32)
// copy.ConvertBgraToRgba();
if (destination is Image<Rgba32> destinationRgba)
{
var sourceSpan = source.Span;
var sourceIntSpan = MemoryMarshal.Cast<T, int>(sourceSpan);
var destColorSpan = destinationRgba.GetPixelSpan();
var destIntSpan = MemoryMarshal.Cast<Rgba32, int>(destColorSpan);
sourceIntSpan.CopyTo(destIntSpan);
destinationRgba.FlipY();
return;
}
throw new NotImplementedException();
}
public static Image CreateBitmap(this BufferData2D<int> source)
{
var bmp = new Image<Rgba32>(source.Width, source.Height);
CopyTo(source, bmp);
return bmp;
}
