async Task Export()
{
message.Text = "Saving";
var dialog = new SaveFileDialog();
dialog.OverwritePrompt = true;
dialog.Filter = "PNG Files|*.png|SVG Files|*.svg";
dialog.AddExtension = true;
if (dialog.ShowDialog(this) == true)
{
using (var fs = dialog.OpenFile())
{
if (dialog.FileName.EndsWith(".svg", StringComparison.InvariantCultureIgnoreCase))
{
var exporter = new SvgExporter();
exporter.Export(plot.Model, fs);
}
else
{
var exporter = new PngExporter();
exporter.Export(plot.Model, fs);
}
fs.SetLength(fs.Position);
}
}
}
void Copy_OnExecuted(object sender, ExecutedRoutedEventArgs e)
{
var data = new DataObject();
using (var ms = new MemoryStream())
{
var pngExporter = new PngExporter();
pngExporter.Export(plot.Model, ms);
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.StreamSource = ms;
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.EndInit();
bitmap.Freeze();
data.SetImage(bitmap);
}
var svg = new MemoryStream();
var svgExporter = new SvgExporter();
svgExporter.Export(plot.Model, svg);
svg.Position = 0;
data.SetData("image/svg+xml", svg);
Clipboard.SetDataObject(data);
e.Handled = true;
}
/// <summary>
/// The plot diagram.
/// </summary>
/// <param name="fileLocation">
/// The png location.
/// </param>
/// <param name="model">
/// The model.
/// </param>
/// <param name="width"></param>
/// <param name="height"></param>
private void PlotDiagram(string fileLocation, PlotModel model, int width, int height)
{
string extension = Path.GetExtension(fileLocation);
if (extension == null)
{
throw new FileFormatException("Please specify file extension of the result picture file.");
}
else if (extension.ToLower() == ".svg")
{
using (var stream = File.Create(fileLocation))
{
var exporter = new SvgExporter() { Width = width, Height = height};
exporter.Export(model, stream);
}
}
else if (extension.ToLower() == ".png")
{
using (Stream stream = File.Create(fileLocation))
{
PngExporter.Export(model, stream, width * 4, height * 4 , OxyColors.Transparent, 300);
}
// int resolution = 300;
// RenderTargetBitmap image = new RenderTargetBitmap(width, height, resolution, resolution, PixelFormats.Pbgra32);
// DrawingVisual drawVisual = new DrawingVisual();
// DrawingContext drawContext = drawVisual.RenderOpen();
//
// // Output the graph models to a context
// var oe = PngExporter.ExportToBitmap(model, width, height, OxyColors.White);
// drawContext.DrawImage(oe, new Rect(0, 0, width, height));
//
// drawContext.Close();
// image.Render(drawVisual);
//
// PngBitmapEncoder png = new PngBitmapEncoder();
// png.Frames.Add(BitmapFrame.Create(image));
// using (Stream stream = File.Create(fileLocation))
// {
// png.Save(stream);
// }
}
else
{
throw new FormatException(string.Format("Does not support plotting for picture format {0}.", extension));
}
}