private void FillHsvSpectrum()
{
var width = (int)_spectrumEllipse.ActualWidth;
var height = (int)_spectrumEllipse.ActualHeight;
WriteableBitmap bitmap = new(width, height, 96, 96, PixelFormats.Bgra32, null);
var bgraMinPixelData = ColorWheelHelpers.GetHsvData(width, height);
var stride = (bitmap.PixelWidth * bitmap.Format.BitsPerPixel) / 8;
bitmap.WritePixels(new Int32Rect(0, 0, width, height), bgraMinPixelData.ToArray(), stride, 0);
_spectrumEllipse.Fill = new ImageBrush(bitmap);
}
private void FillHsvSpectrum()
{
int width = (int)_spectrumEllipse.Bounds.Width;
int height = (int)_spectrumEllipse.Bounds.Height;
var bitmap = new WriteableBitmap(new PixelSize(width, height),
new Vector(96, 96), PixelFormat.Bgra8888, AlphaFormat.Premul);
var bgraMinPixelData = ColorWheelHelpers.GetHsvData(width, height);
using (var fb = bitmap.Lock())
Marshal.Copy(bgraMinPixelData.ToArray(), 0, fb.Address, bgraMinPixelData.Count);
_spectrumEllipse.Fill = new ImageBrush(bitmap);
}
