ContentReplacer

1//---------------------------------------------------------------------------------------
2// Copyright (c) 2001-2021 by PDFTron Systems Inc. All Rights Reserved.
3// Consult legal.txt regarding legal and license information.
4//---------------------------------------------------------------------------------------
5
6using System;
7using pdftron;
8using pdftron.Common;
9using pdftron.Filters;
10using pdftron.SDF;
11using pdftron.PDF;
12
13using NUnit.Framework;
14
15namespace MiscellaneousSamples
16{
17	/// <summary>
18	//-----------------------------------------------------------------------------------------
19	// The sample code illustrates how to use the ContentReplacer class to make using 
20	// 'template' pdf documents easier.
21	//-----------------------------------------------------------------------------------------
22	/// </summary>
23	[TestFixture]
24	public class ContentReplacerTest
25	{
26
27		/// <summary>
28		/// The main entry point for the application.
29		/// </summary>
30		[Test]
31		public static void Sample()
32		{
33
34			// Relative path to the folder containing test files.
35			const string input_path =  "TestFiles/";
36
37
38			// The following example illustrates how to replace an image in a certain region,
39			// and how to change template text.
40			try
41			{
42				using (PDFDoc doc = new PDFDoc(Utils.GetAssetTempFile(input_path + "BusinessCardTemplate.pdf")))
43				using (ContentReplacer replacer = new ContentReplacer())
44				{
45					doc.InitSecurityHandler();
46
47					// first, replace the image on the first page
48					Page page = doc.GetPage(1);
49					Image img = Image.Create(doc, Utils.GetAssetTempFile(input_path + "peppers.jpg"));
50					replacer.AddImage(page.GetMediaBox(), img.GetSDFObj());
51					// next, replace the text place holders on the second page
52					replacer.AddString("NAME", "John Smith");
53					replacer.AddString("QUALIFICATIONS", "Philosophy Doctor"); 
54					replacer.AddString("JOB_TITLE", "Software Developer"); 
55					replacer.AddString("ADDRESS_LINE1", "#100 123 Software Rd"); 
56					replacer.AddString("ADDRESS_LINE2", "Vancouver, BC"); 
57					replacer.AddString("PHONE_OFFICE", "604-730-8989"); 
58					replacer.AddString("PHONE_MOBILE", "604-765-4321"); 
59					replacer.AddString("EMAIL", "info@pdftron.com"); 
60					replacer.AddString("WEBSITE_URL", "http://www.pdftron.com"); 
61					// finally, apply
62					replacer.Process(page);
63
64					doc.Save(Utils.CreateExternalFile("BusinessCard.pdf"), 0);
65					Console.WriteLine("Done. Result saved in BusinessCard.pdf");
66				}
67			}
68			catch (PDFNetException e)
69			{
70				Console.WriteLine(e.Message);
71				Assert.True(false);
72			}
73
74
75			// The following example illustrates how to replace text in a given region
76			try
77			{
78				using (PDFDoc doc = new PDFDoc(Utils.GetAssetTempFile(input_path + "newsletter.pdf")))
79				using (ContentReplacer replacer = new ContentReplacer())
80				{
81					doc.InitSecurityHandler();
82
83					Page page = doc.GetPage(1);
84					Rect target_region = page.GetMediaBox();
85					string replacement_text = "hello hello hello hello hello hello hello hello hello hello";
86					replacer.AddText(target_region, replacement_text);
87					replacer.Process(page);
88
89					doc.Save(Utils.CreateExternalFile("ContentReplaced.pdf"), 0);
90					Console.WriteLine("Done. Result saved in ContentReplaced.pdf");
91				}
92			}
93			catch (PDFNetException e)
94			{
95				Console.WriteLine(e.Message);
96				Assert.True(false);
97			}
98			Console.WriteLine("Done.");
99		}
100	}
101}