public void SaveImage(string path)
{
if ((_image != null) && !string.IsNullOrWhiteSpace(path))
{
BitmapEncoder encoder = null;
var pos = path.LastIndexOf('.');
if (pos >= 0)
{
var ext = path.Substring(pos)?.ToLower();
if (!string.IsNullOrWhiteSpace(ext))
{
string[] jpgExtensions = MimeTypeF.GetFileExtensions(MimeType.JPEG)?.Split(',');
string[] pngExtensions = MimeTypeF.GetFileExtensions(MimeType.PNG)?.Split(',');
string[] gifExtensions = MimeTypeF.GetFileExtensions(MimeType.GIF)?.Split(',');
if ((pngExtensions != null) && pngExtensions.Contains(ext))
{
encoder = new PngBitmapEncoder();
}
else if ((jpgExtensions != null) && jpgExtensions.Contains(ext))
{
encoder = new JpegBitmapEncoder();
}
else if ((gifExtensions != null) && gifExtensions.Contains(ext))
{
encoder = new GifBitmapEncoder();
}
}
}
if (encoder != null)
{
encoder.Frames.Add(BitmapFrame.Create(_image));
using (var fileStream = new System.IO.FileStream(path, System.IO.FileMode.Create))
{
encoder.Save(fileStream);
}
}
else
{
throw new Exception("No bitmap encoder available.");
}
}
_image = null;
}
private void Export(object sender, RoutedEventArgs e)
{
var part = _editor.Part;
if (part == null)
{
return;
}
var onRawContent = part.Type == "Raw Content";
var contentBlock = onRawContent ? _editor.GetRootBlock() : _lastSelectedBlock;
if (contentBlock == null)
{
return;
}
var mimeTypes = _editor.GetSupportedExportMimeTypes(contentBlock);
if (mimeTypes == null)
{
return;
}
if (mimeTypes.Count() == 0)
{
return;
}
string filterList = "";
for (int i = 0; i < mimeTypes.Count(); ++i)
{
// format filter as "name|extension1;extension2;...;extensionX"
var extensions = MimeTypeF.GetFileExtensions(mimeTypes[i]).Split(',');
string filter = MimeTypeF.GetName(mimeTypes[i]) + "|";
for (int j = 0; j < extensions.Count(); ++j)
{
if (j > 0)
{
filter += ";";
}
filter += "*" + extensions[j];
}
if (i > 0)
{
filterList += "|";
}
filterList += filter;
}
// Show save dialog
{
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = "Interactive Ink Document"; // Default file name
dlg.DefaultExt = System.String.Empty; // Default file extension
dlg.Filter = filterList; // Filter files by extension
bool?result = dlg.ShowDialog();
if ((bool)result)
{
var filePath = dlg.FileName;
var filterIndex = dlg.FilterIndex - 1;
var extensions = MimeTypeF.GetFileExtensions(mimeTypes[filterIndex]).Split(',');
if (extensions.Count() > 0)
{
int ext;
for (ext = 0; ext < extensions.Count(); ++ext)
{
if (filePath.EndsWith(extensions[ext], StringComparison.OrdinalIgnoreCase))
{
break;
}
}
if (ext >= extensions.Count())
{
filePath += extensions[0];
}
try
{
var drawer = new ImageDrawer();
drawer.ImageLoader = UcEditor.ImageLoader;
_editor.WaitForIdle();
_editor.Export_(contentBlock, filePath, drawer);
System.Diagnostics.Process.Start(filePath);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
}
}
private async System.Threading.Tasks.Task <string> ChooseExportFilename(MimeType[] mimeTypes)
{
var mimeTypeTextBlock = new TextBlock
{
Text = "Choose a mime type",
MaxLines = 1,
TextWrapping = TextWrapping.NoWrap,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Center,
Margin = new Thickness(0, 0, 0, 0),
Width = 300,
};
var mimeTypeComboBox = new ComboBox
{
IsTextSearchEnabled = true,
SelectedIndex = -1,
Margin = new Thickness(0, 5, 0, 0),
Width = 300
};
foreach (var mimeType in mimeTypes)
{
mimeTypeComboBox.Items.Add(MimeTypeF.GetTypeName(mimeType));
}
mimeTypeComboBox.SelectedIndex = 0;
var nameTextBlock = new TextBlock
{
Text = "Enter Export File Name",
MaxLines = 1,
TextWrapping = TextWrapping.NoWrap,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Center,
Margin = new Thickness(0, 10, 0, 0),
Width = 300
};
var nameTextBox = new TextBox
{
Text = "",
AcceptsReturn = false,
MaxLength = 1024 * 1024,
TextWrapping = TextWrapping.NoWrap,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Center,
Margin = new Thickness(0, 5, 0, 10),
Width = 300
};
var panel = new StackPanel
{
Margin = new Thickness(10),
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
};
panel.Children.Add(mimeTypeTextBlock);
panel.Children.Add(mimeTypeComboBox);
panel.Children.Add(nameTextBlock);
panel.Children.Add(nameTextBox);
var dialog = new ContentDialog
{
Title = "Export",
Content = panel,
PrimaryButtonText = "OK",
SecondaryButtonText = "Cancel",
IsPrimaryButtonEnabled = true,
IsSecondaryButtonEnabled = true
};
var result = await dialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
var fileName = nameTextBox.Text;
var extIndex = mimeTypeComboBox.SelectedIndex;
var extensions = MimeTypeF.GetFileExtensions(mimeTypes[extIndex]).Split(',');
int ext;
for (ext = 0; ext < extensions.Count(); ++ext)
{
if (fileName.EndsWith(extensions[ext], StringComparison.OrdinalIgnoreCase))
{
break;
}
}
if (ext >= extensions.Count())
{
fileName += extensions[0];
}
return(fileName);
}
return(null);
}
