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ContentReplacerTest - Ruby

This sample shows how to use pdftron.PDF.ContentReplacer to search and replace text strings and images in existing PDF (e.g. business cards and other PDF templates). Unlike PDF forms, the ContentReplacer works on actual PDF content and is not limited to static rectangular annotation regions.

#---------------------------------------------------------------------------------------
# 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 sample code illustrates how to read and edit existing outline items and create 
# new bookmarks using the high-level API.
#-----------------------------------------------------------------------------------------

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

#-----------------------------------------------------------------------------------------
# The sample code illustrates how to use the ContentReplacer class to make using 
# 'template' pdf documents easier.
#-----------------------------------------------------------------------------------------
	PDFNet.Initialize()

	puts "Opening the input file..."
	
	# Example 1) Update a business card template with personalized info
	
	doc = PDFDoc.new(input_path + "BusinessCardTemplate.pdf")
	doc.InitSecurityHandler()
	
	# first, replace the image on the first page
	replacer = ContentReplacer.new()
	page = doc.GetPage(1)
	img = Image.Create(doc.GetSDFDoc(), input_path + "peppers.jpg")
	replacer.AddImage(page.GetMediaBox(), img.GetSDFObj())
	# next, replace the text place holders on the second page
	replacer.AddString("NAME", "John Smith")
	replacer.AddString("QUALIFICATIONS", "Philosophy Doctor")
	replacer.AddString("JOB_TITLE", "Software Developer")
	replacer.AddString("ADDRESS_LINE1", "#100 123 Software Rd")
	replacer.AddString("ADDRESS_LINE2", "Vancouver, BC")
	replacer.AddString("PHONE_OFFICE", "604-730-8989")
	replacer.AddString("PHONE_MOBILE", "604-765-4321")
	replacer.AddString("EMAIL", "info@pdftron.com")
	replacer.AddString("WEBSITE_URL", "http://www.pdftron.com")
	# finally, apply
	replacer.Process(page)
	
	doc.Save(output_path + "BusinessCard.pdf", 0)
	doc.Close()
	puts "Done. Result saved in BusinessCard.pdf"

	# Example 2) Replace text in a region with new text
	
	doc = PDFDoc.new(input_path + "newsletter.pdf")
	doc.InitSecurityHandler()
	
	replacer = ContentReplacer.new()
	page = doc.GetPage(1)
	replacer.AddText(page.GetMediaBox(), "hello hello hello hello hello hello hello hello hello hello")
	replacer.Process(page)
	
	doc.Save(output_path + "ContentReplaced.pdf", SDFDoc::E_linearized)
	doc.Close()
	puts "Done. Result saved in ContentReplaced.pdf"

	puts "Done."