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();
}
}
}
private void BitmapImportButton_Click(object sender, EventArgs eventArgs)
{
if (LastSelectedImageMetadata == null)
{
return;
}
using (var op = new OpenFileDialog {
Filter = Consts.BitmapImportFilter
})
{
if (op.ShowDialog() != DialogResult.OK)
{
return;
}
try
{
var bitmapFile = op.FileName;
using (var bitmap = (Bitmap)Image.FromFile(bitmapFile))
{
if (bitmap.Width > 2048 || bitmap.Height > 2048)
{
InfoBox.Show("Selected images is too big. Choose an image that has dimension lower than 2048x2048.");
return;
}
using (var scaledBitmap = BitmapProcessor.ScaleBitmapIfNecessary(bitmap, new Size(LastSelectedImageMetadata.Width, LastSelectedImageMetadata.Height)))
using (var monochrome = BitmapProcessor.ConvertTo1Bit(scaledBitmap))
{
var imageData = BitmapProcessor.CreateRawFromBitmap(monochrome);
ImagePixelGrid.CreateUndo();
ImagePixelGrid.Data = ImagePreviewPixelGrid.Data = ProcessImage(x => FirmwareImageProcessor.PasteImage(x, imageData), LastSelectedImageMetadata, true);
}
}
}
catch (Exception ex)
{
InfoBox.Show("Unable to import bitmap image.\n" + ex.Message);
}
}
}