Add image to iText dynamically on PDF file

Question

Can some one please help me what is missing in my code, I am trying to add image in to PDF generation

    fillFieldValue(stamper.getAcroFields(),agntCertBean);
    Image image1 = Image.getInstance(bb);
    image1.scaleAbsolute(25f, 25f);
    PdfContentByte overContent = stamper.getOverContent(1);
    AcroFields form = stamper.getAcroFields();       
    AcroFields.FieldPosition fldPos = (AcroFields.FieldPosition)     
    form.getFieldPositions("ProfilePciture");
    overContent.addImage(image1);
    stamper.close();                                 
    reader.close();

Answer 1

Looking at your code without paying too much attending, I see two major mistakes:

[1.] There's something wrong with this line:

AcroFields.FieldPosition fldPos = (AcroFields.FieldPosition)form.getFieldPositions("ProfilePciture");

The getFieldPositions() method returns a List of FieldPosition elements and you're casting that list to a FieldPosition object. That won't work, you need something like this:

AcroFields.FieldPosition fldPos = form.getFieldPositions("ProfilePicture").get(0);

[2.] You get the position of the picture field, but you're not doing anything with it! You're not setting the position of the image!

Remove these two lines:

image1.scaleAbsolute(25f, 25f);
PdfContentByte overContent = stamper.getOverContent(1);

Add these lines after you've obtained the field position:

Rectangle rect = fldPos.position;
image1.scaleToFit(rect.getWidth(), rect.getHeight());
image1.setAbsolutePosition(rect.getLeft(), rect.getBottom());
PdfContentByte overContent = stamper.getOverContent(fldPos.page);

In these lines you scale the image so that it fits the field and you set the coordinates of the image. You also get the PdfContentByte instance for the correct page instead of from the first page.

You may have other errors, but please fix these first!