private void Revert_Click(object sender, RoutedEventArgs e)
{
_currentActiveImage = ImageProcessing.CopyImage(_imageWithoutChanges);
Img.Source = Convert(_currentActiveImage);
}
private void LoadFile_MenuItemClick(object sender, RoutedEventArgs e)
{
var dlg = new OpenFileDialog {
Filter = ""
};
var codecs = ImageCodecInfo.GetImageEncoders();
var sep = string.Empty;
foreach (var c in codecs)
{
var codecName = c.CodecName.Substring(8).Replace("Codec", "Files").Trim();
dlg.Filter = string.Format("{0}{1}{2} ({3})|{3}", dlg.Filter, sep, codecName, c.FilenameExtension);
sep = "|";
}
dlg.DefaultExt = ".png";
if (_fileHasBeenSaved)
{
if (dlg.ShowDialog() == true)
{
var fileName = dlg.FileName;
try
{
_currentActiveImage = new Bitmap(fileName);
Img.Source = new BitmapImage(new Uri(fileName));
SaveImageMenuItem.IsEnabled = true;
_fileHasBeenSaved = false;
_isMonochromatic = ImageProcessing.MonochromaticValidation(_currentActiveImage);
}
catch (NotSupportedException)
{
MessageBox.Show("Unknown image format", "Warning", MessageBoxButton.OK,
MessageBoxImage.Error);
}
}
}
else
{
if (MessageBox.Show("Open new image without saving changes on current one?", "Warning",
MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
if (dlg.ShowDialog() != true)
{
return;
}
var fileName = dlg.FileName;
try
{
_currentActiveImage = new Bitmap(fileName);
Img.Source = new BitmapImage(new Uri(fileName));
SaveImageMenuItem.IsEnabled = true;
_fileHasBeenSaved = false;
_isMonochromatic = ImageProcessing.MonochromaticValidation(_currentActiveImage);
}
catch (NotSupportedException)
{
MessageBox.Show("Unknown image format", "Warning", MessageBoxButton.OK,
MessageBoxImage.Error);
}
}
else
{
SaveCurrentActiveImage();
}
}
Apply.IsEnabled = true;
_imageWithoutChanges = ImageProcessing.CopyImage(_currentActiveImage);
Revert.IsEnabled = true;
}
