protected void Initialize(CodeActivityContext context)
{
doc = Document.Get(context);
rec = Signer.Get(context);
if (rec.RecipientType != "Signer")
{
throw new ArgumentException("Only Signers can have tabs added to them, not other Recipient types");
}
sigX = PositionX.Get(context);
sigY = PositionY.Get(context);
anchorText = AnchorText.Get(context);
offsetX = OffsetX.Get(context);
offsetY = OffsetY.Get(context);
tabLabel = TabLabel.Get(context);
toolTip = ToolTip.Get(context);
pageNumber = PageNumber.Get(context);
if (anchorText != null && anchorText != "" && Path.GetExtension(doc.filename) != ".pdf")
{
throw new FormatException("Can only use relative positioning on .pdf files");
}
}
protected override IAsyncResult BeginExecute(AsyncCodeActivityContext context, AsyncCallback callback, object state)
{
recipientName = RecipientName.Get(context);
recipientEmail = RecipientEmail.Get(context);
subject = Subject.Get(context);
documentFilePath = DocumentFilePath.Get(context);
sigX = PositionX.Get(context);
sigY = PositionY.Get(context);
anchorText = AnchorText.Get(context);
offsetX = OffsetX.Get(context);
offsetY = OffsetY.Get(context);
if (anchorText != null && anchorText != "" && Path.GetExtension(documentFilePath) != ".pdf")
{
throw new FormatException("Can only use relative positioning on .pdf files");
}
LoadAuthentication(context);
SendEnvelopeDelegate = new Action(SendEnvelope);
return(SendEnvelopeDelegate.BeginInvoke(callback, state));
}
protected override async Task <Action <AsyncCodeActivityContext> > ExecuteAsync(AsyncCodeActivityContext context, CancellationToken cancellationToken)
{
// Inputs
var timeout = TimeoutMS.Get(context);
var inputImage = InputImage.Get(context);
var positionX = PositionX.Get(context);
var positionY = PositionY.Get(context);
var width = Width.Get(context);
var height = Height.Get(context);
var blur = Blur.Get(context);
var blurAmount = BlurAmount.Get(context);
// Set a timeout on the execution
var task = ExecuteWithTimeout(context, cancellationToken);
if (await Task.WhenAny(task, Task.Delay(timeout, cancellationToken)) != task)
{
throw new TimeoutException(Resources.Timeout_Error);
}
Image returnImage;
// Check if activity should blur or hide part of the image
if (blur)
{
// Convert image to bytestream
ImageConverter _imageConverter = new ImageConverter();
byte[] imageByteStream = (byte[])_imageConverter.ConvertTo(inputImage, typeof(byte[]));
// Create image from bytestream for MagickImage use
var magickimage = new MagickImage(imageByteStream);
// Blur part of image
magickimage.RegionMask(new MagickGeometry(positionX, positionY, width, height));
magickimage.GaussianBlur(blurAmount, 25);
magickimage.RemoveRegionMask();
// Convert MagickInmage to Bytestream
var imageBytesOut = magickimage.ToByteArray();
MemoryStream ms = new MemoryStream(imageBytesOut);
// Create return image from bytestream
returnImage = Image.FromStream(ms);
}
else
{
// Create graphics context with returnImage
returnImage = inputImage;
using (Graphics g = Graphics.FromImage(returnImage))
{
// Define brush and rectangle
SolidBrush blackBrush = new SolidBrush(Color.Black);
Rectangle rect = new Rectangle(positionX, positionY, width, height);
// Fill rectangle
g.FillRectangle(blackBrush, rect);
// Cleanup
g.Dispose();
}
}
// Outputs
return((ctx) => {
OutputImage.Set(ctx, returnImage);
});
}
