private void CreateMonochromeBitmap()
{
if (m_originalBitmap == null || m_doNotUpdateMonochrome)
{
return;
}
using (var scaledImage = BitmapProcessor.FitToSize(m_originalBitmap, new Size(m_width, m_height)))
{
if (m_monochromeBitmap != null)
{
m_monochromeBitmap.Dispose();
m_monochromeBitmap = null;
}
var mode = (NamedItemContainer <MonochromeConversionMode>)ConversionTypeComboBox.SelectedItem;
switch (mode.Data)
{
case MonochromeConversionMode.ThresholdBased:
{
m_monochromeBitmap = BitmapProcessor.ConvertTo1Bit(scaledImage, MonochromeConversionMode.ThresholdBased, (int)ThresholdUpDown.Value);
break;
}
case MonochromeConversionMode.FloydSteinbergDithering:
{
m_monochromeBitmap = BitmapProcessor.ConvertTo1Bit(scaledImage);
break;
}
default: throw new ArgumentOutOfRangeException();
}
}
}