private void Render()
{
if (ImageGenerationHandler != null && Config.ImageGemerationConfiguration.EnableExternalImageGenerator)
{
// Use external Generator
if (string.IsNullOrEmpty(Id))
{
Id = Guid.NewGuid().ToString("D");
}
ExpectedSerial++;
// Dispatch Generation Image
ImageGenerationHandler.DispatchGeneration(Id, ExpectedSerial, this);
// Register Callback for image return
ImageGenerationHandler.RegisterImageCallback(Id, ExpectedSerial, this);
}
else
{
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Render,
(SendOrPostCallback) delegate
{
PublicImageUrl = null;
PreviewImage =
HTMLRenderer.Base64ToImage(RenderImageWithTemplateContext(generationProperties: null));
_rendering = false;
LastGenerationTime = DateTime.Now;
}, null);
}
}
public void DispatchedExternalPreviewUpdate(long newSerial, string newImageBase64)
{
// Update in Dispatcher
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Render,
(SendOrPostCallback) delegate
{
PreviewImage = HTMLRenderer.Base64ToImage(newImageBase64);
}, null);
}
public string RenderAndReturnBase64(string generationProperties = null)
{
_rendering = true;
var image = RenderImageWithTemplateContext(generationProperties);
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Render,
(SendOrPostCallback) delegate
{
PublicImageUrl = null;
PreviewImage = HTMLRenderer.Base64ToImage(image);
_rendering = false;
LastGenerationTime = DateTime.Now;
}, null);
return(image);
}