public Color GetPixel(int x, int y)
{
if (bmprep == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, "Cannot get pixel data for this type of bitmap ({0})", rep.GetType()));
}
return(bmprep.ColorAt(x, y).ToEto());
}
public override Xwt.Drawing.Color GetBitmapPixel(object handle, int x, int y)
{
NSImage img = (NSImage)handle;
NSBitmapImageRep bitmap = img.Representations().OfType <NSBitmapImageRep> ().FirstOrDefault();
if (bitmap != null)
{
return(bitmap.ColorAt(x, y).ToXwtColor());
}
else
{
throw new InvalidOperationException("Not a bitmnap image");
}
}
public void PlayNewImageInScale(NSImage image, Scale scale)
{
ForceStop = false;
if (image.Size.Width > 150 || image.Size.Height > 150)
{
image = ImageHelpers.ResizeImage(image, new CGSize(150, 150));
}
PlayerNode.Play();
using (var imageRepresentation = new NSBitmapImageRep(image.AsTiff()))
{
var imageSize = image.Size;
for (var x = 0; x < imageSize.Width; x++)
{
for (var y = 0; y < imageSize.Height; y++)
{
if (ForceStop)
{
return;
}
var color = imageRepresentation.ColorAt(x, y);
var carrierFrequency = GetCarrierFrequencyForColor(color);
var modulatorFrequency = GetModulatorFrequencyForColor(color);
var sampleLength = GetNoteLengthForColor(color);
var octave = GetOctaveForColor(color);
var pan = GetPanForColor(color);
var closestOctave = FrequenciesByOctave.Keys.Aggregate((a, b) => Math.Abs(a - octave) < Math.Abs(b - octave) ? a : b);
var closestCarrier = ScaleHelper.GetNotesForScale(scale, closestOctave).Aggregate(
(a, b) => Math.Abs(a - carrierFrequency) < Math.Abs(b - carrierFrequency) ? a : b);
var closestModulator = ScaleHelper.GetNotesForScale(scale, closestOctave).Aggregate(
(a, b) => Math.Abs(a - modulatorFrequency) < Math.Abs(b - modulatorFrequency) ? a : b);
PlayToneForColor(closestCarrier, closestModulator, sampleLength, pan, color);
}
}
}
}
public Color GetPixel(int x, int y)
{
EnsureRep();
if (bmprep == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, "Cannot get pixel data for this type of bitmap ({0})", rep?.GetType()));
}
// don't convert colorspace here otherwise we get incorrect data.. why?
var nscolor = bmprep.ColorAt(x, y);
if (nscolor.ComponentCount >= 3)
{
nscolor.GetRgba(out var red, out var green, out var blue, out var alpha);
return(new Color(nscolor, (float)red, (float)green, (float)blue, (float)alpha));
}
return(nscolor.ToEto());
}