/// <summary>
/// Gets the final pixel color for the given point, taking layers, opacity, and blend modes into account.
/// </summary>
public ColorBgra GetComputedPixel(int x, int y)
{
using (var dst = new ImageSurface (Format.Argb32, 1, 1)) {
using (var g = new Context (dst)) {
foreach (var layer in GetLayersToPaint ()) {
var color = layer.Surface.GetColorBgraUnchecked (x, y).ToCairoColor ();
g.SetBlendMode (layer.BlendMode);
g.SetSourceColor (color);
g.Rectangle (dst.GetBounds ().ToCairoRectangle ());
g.PaintWithAlpha (layer.Opacity);
}
}
return dst.GetPixel (0, 0).ToColorBgra ();
}
}
