PDFsharp & MigraDoc Foundation

PDFsharp - A .NET library for processing PDF & MigraDoc Foundation - Creating documents on the fly
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PostPosted: Wed Jun 01, 2016 8:00 am 

Joined: Wed Jun 01, 2016 7:45 am
Posts: 1
Hello Guys,

I´ve created a fillable PDF with OpenOffice and now I want to change the background color of the textbox. For this I use the following code:

PdfDocument Template = PdfReader.Open("MyPath", PdfDocumentOpenMode.Modify);
PdfAcroField.PdfAcroFieldCollection Form = Template.AcroForm.Fields;

if (Field.GetType() == typeof(PdfTextField))
   PdfTextField CurrentField = (PdfTextField)Field;
   CurrentField.ReadOnly = false;
   CurrentField.Value = new PdfString("Test");
   CurrentField.BackColor = Color.Red;

If I run this code, the background of the textbox doesn´t change the color, but the value of the textbox changed to "Test". How can I change the background of the textbox?

I also want to copy a screenshot into my PDF. So I use a textfield to define the position of the image. The image should be placed at the same position as the textbox.
So I read out the position of the textfield:

PdfArray ImagePosition = (PdfArray)CurrentField.Elements["/Rect"];
double[] Imageformat = {
   Convert.ToDouble(ImagePosition.Elements[0].ToString(), CultureInfo.InvariantCulture),
   Convert.ToDouble(ImagePosition.Elements[1].ToString(), CultureInfo.InvariantCulture),
   Convert.ToDouble(ImagePosition.Elements[2].ToString(), CultureInfo.InvariantCulture),
   Convert.ToDouble(ImagePosition.Elements[3].ToString(), CultureInfo.InvariantCulture)

I´ve got the information that the first element is the x-coordinate, the second is the y-coordinate and the third and the fourth are the width and the height of the textbox. If I use this informations to place an image above the textbox, the image will be placed wrong:

XGraphics Graphic = XGraphics.FromPdfPage(Template.Pages[1]);

XImage image = XImage.FromGdiPlusImage((Bitmap)Parameter.ParameterValue);
Graphic.DrawImage(image, Imageformat[0], Imageformat[1], Imageformat[2], Imageformat[3]);

How can I place the image above the textbox?

Thank you for help!

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