Some test text!

< Mac samples

StamperTest - Ruby

The sample shows how to use 'pdftron.PDF.Stamper' utility class to stamp PDF pages with text, images, or with other PDF pages. ElementBuilder and ElementWriter should be used for more complex PDF stamping operations.

#---------------------------------------------------------------------------------------
# Copyright (c) 2001-2018 by PDFTron Systems Inc. All Rights Reserved.
# Consult LICENSE.txt regarding license information.
#---------------------------------------------------------------------------------------

require '../../../PDFNetC/Lib/PDFNetRuby'
include PDFNetRuby

$stdout.sync = true

#---------------------------------------------------------------------------------------
# The following sample shows how to add new content (or watermark) PDF pages
# using 'pdftron.PDF.Stamper' utility class. 
#
# 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.
#---------------------------------------------------------------------------------------

# Relative path to the folder containing the test files.
input_path = "../../TestFiles/"
output_path = "../../TestFiles/Output/"
input_filename = "newsletter.pdf"

	# Initialize PDFNet
	PDFNet.Initialize
	
	#--------------------------------------------------------------------------------
	# Example 1) Add text stamp to all pages, then remove text stamp from odd pages. 
	
	puts "Example 1..."
	doc = PDFDoc.new(input_path + input_filename)
	doc.InitSecurityHandler
	s = Stamper.new(Stamper::E_relative_scale, 0.5, 0.5)
	
	s.SetAlignment(Stamper::E_horizontal_center, Stamper::E_vertical_center)
	red = ColorPt.new(1, 0, 0) # set text color to red
	s.SetFontColor(red)
	s.StampText(doc, "If you are reading this\nthis is an even page", PageSet.new(1, doc.GetPageCount))
	# delete all text stamps in odd pages
	Stamper.DeleteStamps(doc, PageSet.new(1, doc.GetPageCount, PageSet::E_odd))
	
	doc.Save(output_path + input_filename + ".ex1.pdf", SDFDoc::E_linearized)
	doc.Close
	puts "Done."
	
	#--------------------------------------------------------------------------------
	# Example 2) Add Image stamp to first 2 pages. 
	
	puts "Example 2..."
	doc = PDFDoc.new(input_path + input_filename)
	doc.InitSecurityHandler
	s = Stamper.new(Stamper::E_relative_scale, 0.05, 0.05)
	img = Image.Create(doc.GetSDFDoc, input_path + "peppers.jpg")
	s.SetSize(Stamper::E_relative_scale, 0.5, 0.5)
	
	# set position of the image to the center, left of PDF pages
	s.SetAlignment(Stamper::E_horizontal_left, Stamper::E_vertical_center)
	pt = ColorPt.new(0, 0, 0, 0)
	s.SetFontColor(pt)
	s.SetRotation(180)
	s.SetAsBackground(false)
	# only stamp first 2 pages
	ps = PageSet.new(1, 2)
	s.StampImage(doc, img, ps)
	
	doc.Save(output_path + input_filename + ".ex2.pdf", SDFDoc::E_linearized)
	doc.Close
	puts "Done."
	
	#--------------------------------------------------------------------------------
	# Example 3) Add Page stamp to all pages. 
	
	puts "Example 3..."
	doc = PDFDoc.new(input_path + input_filename)
	doc.InitSecurityHandler
	
	fish_doc = PDFDoc.new(input_path + "fish.pdf")
	fish_doc.InitSecurityHandler
	s = Stamper.new(Stamper::E_relative_scale, 0.5, 0.5)
	src_page = fish_doc.GetPage(1)
	page_one_crop = src_page.GetCropBox
	# set size of the image to 10% of the original while keep the old aspect ratio
	s.SetSize(Stamper::E_absolute_size, page_one_crop.Width * 0.1, -1)
	s.SetOpacity(0.4)
	s.SetRotation(-67)
	# put the image at the bottom right hand corner
	s.SetAlignment(Stamper::E_horizontal_right, Stamper::E_vertical_bottom)
	ps = PageSet.new(1, doc.GetPageCount)
	s.StampPage(doc, src_page, ps)
	doc.Save(output_path + input_filename + ".ex3.pdf", SDFDoc::E_linearized)
	doc.Close
	puts "Done."
	
	#--------------------------------------------------------------------------------
	# Example 4) Add Image stamp to first 20 odd pages.
	
	puts "Example 4..."
	doc = PDFDoc.new(input_path + input_filename)
	doc.InitSecurityHandler
	
	s = Stamper.new(Stamper::E_absolute_size, 20, 20)
	s.SetOpacity(1)
	s.SetRotation(45)
	s.SetAsBackground(true)
	s.SetPosition(30, 40)
	img = Image.Create(doc.GetSDFDoc, input_path + "peppers.jpg")
	ps = PageSet.new(1, 20, PageSet::E_odd)
	s.StampImage(doc, img, ps)
	
	doc.Save(output_path + input_filename + ".ex4.pdf", SDFDoc::E_linearized)
	doc.Close
	puts "Done."
	
	#--------------------------------------------------------------------------------
	# Example 5) Add text stamp to first 20 even pages
	
	puts "Example 5..."
	doc = PDFDoc.new(input_path + input_filename)
	doc.InitSecurityHandler
	s = Stamper.new(Stamper::E_relative_scale, 0.05, 0.05)
	s.SetPosition(0, 0)
	s.SetOpacity(0.7)
	s.SetRotation(90)
	s.SetSize(Stamper::E_font_size, 80, -1)
	s.SetTextAlignment(Stamper::E_align_center)
	ps = PageSet.new(1, 20, PageSet::E_even)
	s.StampText(doc, "Goodbye\nMoon", ps)
	
	doc.Save(output_path + input_filename + ".ex5.pdf", SDFDoc::E_linearized)
	doc.Close
	puts "Done."
	
	#--------------------------------------------------------------------------------
	# Example 6) Add first page as stamp to all even pages
	
	puts "Example 6..."
	doc = PDFDoc.new(input_path + input_filename)
	doc.InitSecurityHandler
	
	fish_doc = PDFDoc.new(input_path + "fish.pdf");
	fish_doc.InitSecurityHandler
	
	s = Stamper.new(Stamper::E_relative_scale, 0.3, 0.3)
	s.SetOpacity(1)
	s.SetRotation(270)
	s.SetAsBackground(true)
	s.SetPosition(0.5, 0.5, true)
	s.SetAlignment(Stamper::E_horizontal_left, Stamper::E_vertical_bottom)
	page_one = fish_doc.GetPage(1)
	ps = PageSet.new(1, doc.GetPageCount, PageSet::E_even)
	s.StampPage(doc, page_one, ps)
	
	doc.Save(output_path + input_filename + ".ex6.pdf", SDFDoc::E_linearized)
	doc.Close
	puts "Done."
	
	#--------------------------------------------------------------------------------
	# Example 7) Add image stamp at top left corner in every pages
	
	puts "Example 7..."
	doc = PDFDoc.new(input_path + input_filename)
	doc.InitSecurityHandler
	
	s = Stamper.new(Stamper::E_relative_scale, 0.1, 0.1)
	s.SetOpacity(0.8)
	s.SetRotation(135)
	s.SetAsBackground(false)
	s.ShowsOnPrint(false)
	s.SetAlignment(Stamper::E_horizontal_left, Stamper::E_vertical_top)
	s.SetPosition(10, 10)
	img = Image.Create(doc.GetSDFDoc, input_path + "peppers.jpg")
	ps = PageSet.new(1, doc.GetPageCount, PageSet::E_all)
	s.StampImage(doc, img, ps)
	doc.Save(output_path + input_filename + ".ex7.pdf", SDFDoc::E_linearized)
	doc.Close
	puts "Done."
	
	#--------------------------------------------------------------------------------
	# Example 8) Add Text stamp to first 2 pages, and image stamp to first page.
	#          Because text stamp is set as background, the image is top of the text
	#          stamp. Text stamp on the first page is not visible.
	
	puts "Example 8..."
	doc = PDFDoc.new(input_path + input_filename)
	doc.InitSecurityHandler
	
	s = Stamper.new(Stamper::E_relative_scale, 0.07, -0.1)
	s.SetAlignment(Stamper::E_horizontal_right, Stamper::E_vertical_bottom)
	s.SetAlignment(Stamper::E_horizontal_center, Stamper::E_vertical_top)
	s.SetFont(Font.Create(doc.GetSDFDoc, Font::E_courier, true))
	red = ColorPt.new(1, 0, 0) 
	s.SetFontColor(red) # set text color to red
	s.SetTextAlignment(Stamper::E_align_right)
	s.SetAsBackground(true) # set text stamp as background
	ps = PageSet.new(1, 2)
	s.StampText(doc, "This is a title!", ps)
	
	img = Image.Create(doc.GetSDFDoc, input_path + "peppers.jpg")
	s.SetAsBackground(false)    # set image stamp as foreground
	first_page_ps = PageSet.new(1)
	s.StampImage(doc, img, first_page_ps)

	doc.Save(output_path + input_filename + ".ex8.pdf", SDFDoc::E_linearized)
	doc.Close
	puts "Done."