private async System.Threading.Tasks.Task CopyToClipboardAsBitmapAsync()
{
if (_rSession != null)
{
string fileName = Path.GetTempFileName();
using (IRSessionEvaluation eval = await _rSession.BeginEvaluationAsync()) {
await eval.ExportToBitmap("bmp", fileName, _lastPixelWidth, _lastPixelHeight);
VsAppShell.Current.DispatchOnUIThread(
() => {
try {
// Use Begin/EndInit to avoid locking the file on disk
var image = new BitmapImage();
image.BeginInit();
image.UriSource = new Uri(fileName);
image.CacheOption = BitmapCacheOption.OnLoad;
image.EndInit();
Clipboard.SetImage(image);
SafeFileDelete(fileName);
} catch (Exception e) when(!e.IsCriticalException())
{
MessageBox.Show(string.Format(Resources.PlotCopyToClipboardError, e.Message));
}
});
}
}
}
private async System.Threading.Tasks.Task ExportAsImageAsync(string fileName, string deviceName)
{
if (_rSession != null)
{
using (IRSessionEvaluation eval = await _rSession.BeginEvaluationAsync()) {
await eval.ExportToBitmap(deviceName, fileName, _lastPixelWidth, _lastPixelHeight);
}
}
}