public void Should_Convert_to_bitmap_with_same_width_height(
[Values(1, 100, 255, 256, 257, 1024)] int width,
[Values(1, 10, 255, 256, 257, 1024)] int height)
{
var source = CreateBitmap(width, height, 96, 96);
var actual = (BitmapSource)_sut.Convert(source, typeof(BitmapSource), null, CultureInfo.InvariantCulture);
Assert.AreEqual(width, actual.Width);
Assert.AreEqual(height, actual.Height);
}
public T Convert(T source, int bound)
{
var converter = new GrayscaleConverter <T>();
var dst = new MyImage(source.Width, source.Height);
object img = dst;
img = converter.Convert(source);
for (int i = 0; i < source.Width; i++)
{
for (int j = 0; j < source.Height; j++)
{
int recolor = dst[i, j].R > bound ? 255 : 0;
dst[i, j] = Color.FromArgb(recolor, recolor, recolor);
}
}
return((T)img);
}
object IValueConverter.Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return(value is BitmapSource source
? GrayscaleConverter.Convert(source)
: DependencyProperty.UnsetValue);
}