Rect

1//
2// Copyright (c) 2001-2020 by PDFTron Systems Inc. All Rights Reserved.
3//
4
5using System;
6using System.IO;
7using System.Threading.Tasks;
8using Windows.Foundation;
9
10using pdftron.PDF;
11
12using PDFNetUniversalSamples.ViewModels;
13
14namespace PDFNetSamples
15{
16    public sealed class RectTest : Sample
17    {
18        public RectTest() :
19            base("Rect", "Shows how to change Page's MediaBox using Rect class.")
20        {
21        }
22
23        public override IAsyncAction RunAsync()
24        {
25            return Task.Run(new System.Action(async () => {
26                WriteLine("--------------------------------");
27                WriteLine("Starting Rect Test...");
28                WriteLine("--------------------------------\n");
29                
30                string input_file_path = Path.Combine(InputPath, "tiger.pdf");
31                WriteLine("Opening input file " + input_file_path);
32
33			    try // Test  - Adjust the position of content within the page.
34			    {
35				    PDFDoc input_doc = new PDFDoc(input_file_path);
36				    input_doc.InitSecurityHandler();
37
38				    pdftron.PDF.Page pg = input_doc.GetPage(1);
39				    pdftron.PDF.Rect media_box = pg.GetMediaBox();
40
41				    media_box.x1 -= 200;	// translate the page 200 units (1 UInt = 1/72 inch)
42				    media_box.x2 -= 200;
43
44				    media_box.Update();
45
46                    String output_file_path = Path.Combine(OutputPath, "tiger_shift.pdf");
47                    await input_doc.SaveAsync(output_file_path, 0);
48                    input_doc.Destroy();
49
50                    WriteLine("Done. Results saved in " + output_file_path);
51                    await AddFileToOutputList(output_file_path).ConfigureAwait(false);
52			    }
53			    catch (Exception e)
54			    {
55				    WriteLine(GetExceptionMessage(e));
56                }
57
58                WriteLine("\n--------------------------------");
59                WriteLine("Done Rect Test.");
60                WriteLine("--------------------------------\n");
61            })).AsAsyncAction();
62		}
63	}
64}