private async void ChannelBtn_Click(object sender, RoutedEventArgs e)
{
string tag = ((Button)sender).Tag.ToString();
ImageSource imageSource = null;
OpenFileDialog file = new OpenFileDialog
{
Filter = Helpers.ImagesFilter()
};
file.ShowDialog();
if (!String.IsNullOrEmpty(file.FileName))
{
MagickImage img = new MagickImage(file.FileName);
if (!img.CheckGrayscale())
{
await this.ShowMessageAsync("Error!", "This image isn't grayscale!");
return;
}
imageSource = new BitmapImage(new Uri(file.FileName));
}
switch (tag.ToLower())
{
case "r":
_channelPaths[0] = file.FileName;
redPath.Text = file.FileName;
if (imageSource != null)
{
RedImage.Source = imageSource;
}
break;
case "g":
_channelPaths[1] = file.FileName;
greenPath.Text = file.FileName;
if (imageSource != null)
{
GreenImage.Source = imageSource;
}
break;
case "b":
_channelPaths[2] = file.FileName;
bluePath.Text = file.FileName;
if (imageSource != null)
{
BlueImage.Source = imageSource;
}
break;
case "a":
_channelPaths[3] = file.FileName;
alphaPath.Text = file.FileName;
if (imageSource != null)
{
AlphaImage.Source = imageSource;
}
break;
default:
throw new ArgumentException("How? Just... how?");
}
}