private void btnGarbage2_Click(object sender, RoutedEventArgs e)
{
try
{
if (_prevSketches.Count == 0)
{
MessageBox.Show("Need stored images first", this.Title, MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
// Pick a random sketch
var sketch = StaticRandom.NextItem(_prevSketches);
Color[] colors = sketch.BitmapColors.GetColors(0, 0, sketch.Bitmap.PixelWidth, sketch.Bitmap.PixelHeight);
Color[] inverseColors = colors.
Select(o =>
{
bool isBlack = (o.A > 200 && Math1D.Avg(o.R, o.G, o.B) < 20);
// Invert the color
return(isBlack ? Colors.Transparent : Colors.Black);
}).
ToArray();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}