private void StartNewProcess(string projectPath, int timeout)
{
_busyService.ShowBusyIndicator(() =>
{
Process process = Process.Start(Assembly.GetEntryAssembly().Location, string.Format("\"{0}\"", projectPath));
Debug.Assert(process != null);
var stopwatch = new Stopwatch();
stopwatch.Start();
while (process.MainWindowHandle == IntPtr.Zero && stopwatch.ElapsedMilliseconds < timeout)
{
Thread.Sleep(100);
process.Refresh();
}
stopwatch.Stop();
});
}
private bool Export(object ownerViewModel, string fileName, Action <Stream> exportAction)
{
try
{
_busyService.ShowBusyIndicator(() =>
{
using (var stream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
exportAction(stream);
});
return(true);
}
catch (Exception e)
{
_dialogService.ShowError(ownerViewModel, string.Format("Error exporting file:\n{0}", e.Message), "Cog");
return(false);
}
}
private void SaveElement(FrameworkElement elem, string path, Action <double> scaleUpdate)
{
_busyService.ShowBusyIndicator(() =>
{
RenderTargetBitmap rtb;
if (!elem.IsLoaded)
{
using (var temporaryPresentationSource = new HwndSource(new HwndSourceParameters())
{
RootVisual = elem
})
{
temporaryPresentationSource.Dispatcher.Invoke(DispatcherPriority.SystemIdle, new Action(() => { }));
double width = elem.ActualWidth;
double height = elem.ActualHeight;
double maxDim = Math.Max(elem.ActualWidth, elem.ActualHeight);
if (maxDim > MaxDimension)
{
double scale = MaxDimension / maxDim;
if (scaleUpdate != null)
{
scaleUpdate(scale);
temporaryPresentationSource.Dispatcher.Invoke(DispatcherPriority.SystemIdle, new Action(() => { }));
}
width = elem.ActualWidth * scale;
height = elem.ActualHeight * scale;
elem.RenderTransform = new ScaleTransform(scale, scale);
temporaryPresentationSource.Dispatcher.Invoke(DispatcherPriority.SystemIdle, new Action(() => { }));
}
rtb = new RenderTargetBitmap((int)width, (int)height, 96, 96, PixelFormats.Pbgra32);
rtb.Render(elem);
}
}
else
{
double width = elem.ActualWidth;
double height = elem.ActualHeight;
double maxDim = Math.Max(elem.ActualWidth, elem.ActualHeight);
Transform oldTransform = elem.RenderTransform;
if (maxDim > MaxDimension)
{
double scale = MaxDimension / maxDim;
width *= scale;
height *= scale;
elem.RenderTransform = new ScaleTransform(scale, scale);
}
elem.Measure(elem.RenderSize);
elem.Arrange(new Rect(elem.DesiredSize));
rtb = new RenderTargetBitmap((int)width, (int)height, 96, 96, PixelFormats.Pbgra32);
rtb.Render(elem);
if (maxDim > MaxDimension)
{
elem.RenderTransform = oldTransform;
}
elem.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
elem.Arrange(new Rect(elem.DesiredSize));
}
var encoder = new PngBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(rtb));
using (var file = File.Create(path))
encoder.Save(file);
});
}
