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Stamp

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Stamp a PDF Page

A stamp in a PDF document is analogous to applying a rubber stamp on a paper document.

PDFTron SDK benefits include:

  • Stamp PDF pages with text, images, or with other PDF pages.
  • Embed fonts and images and how to copy graphical elements from one page to another.

linkStamp a PDF Page

To stamp an image to a page in a PDF document.

Stamper can be used to PDF pages with text, images, or with other PDF content in only a few lines of code. Although Stamper is very simple to use compared to ElementBuilder/ElementWriter it is not as powerful or flexible. In case you need full control over PDF creation use ElementBuilder/ElementWriter to add new content to existing PDF pages as shown in the ElementBuilder sample project.

PDFDoc doc = new PDFDoc(input_path + input_filename + ".pdf");
Stamper s = new Stamper(Stamper.SizeType.e_relative_scale, .05, .05)

Image img = Image.Create(doc, input_path + "peppers.jpg");
s.SetSize(Stamper.SizeType.e_relative_scale, 0.5, 0.5);

// set position of the image to the center, left of PDF pages
s.SetAlignment(Stamper.HorizontalAlignment.e_horizontal_left, Stamper.VerticalAlignment.e_vertical_center);
s.SetFontColor(new ColorPt(0, 0, 0, 0));
s.SetRotation(180);
s.SetAsBackground(false);

// only stamp first page
s.StampImage(doc, img, new PageSet(1));

Stamp a PDF File
Full code sample which shows how to stamp PDF pages with text, images, or with other PDF pages and how to add new content (or watermark).

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Stamp a PDF Page