1: | using System; | |
2: | using System.IO; | |
3: | ||
4: | using iTextSharp.text; | |
5: | using iTextSharp.text.pdf; | |
6: | ||
7: | ||
8: | namespace iTextSharp.tutorial.Chap01 | |
9: | { | |
10: | /// <summary> | |
11: | /// Split srcfile destfile1 destfile2 pagenumber | |
12: | /// </summary> | |
13: | public class Split | |
14: | { | |
15: | public Split(String[] args) | |
16: | { | |
17: | if (args.Length != 4) | |
18: | { | |
19: | Console.Error.WriteLine("This tools needs 4 parameters:\njava Split srcfile destfile1 destfile2 pagenumber"); | |
20: | } | |
21: | else | |
22: | { | |
23: | try | |
24: | { | |
25: | int pagenumber = int.Parse(args[3]); | |
26: | ||
27: | // we create a reader for a certain document | |
28: | PdfReader reader = new PdfReader(args[0]); | |
29: | // we retrieve the total number of pages | |
30: | int n = reader.NumberOfPages; | |
31: | Console.WriteLine("There are " + n + " pages in the original file."); | |
32: | ||
33: | if (pagenumber < 2 || pagenumber > n) | |
34: | { | |
35: | throw new DocumentException("You can't split this document at page " + pagenumber + "; there is no such page."); | |
36: | } | |
37: | ||
38: | // step 1: creation of a document-object | |
39: | Document document1 = new Document(reader.GetPageSizeWithRotation(1)); | |
40: | Document document2 = new Document(reader.GetPageSizeWithRotation(pagenumber)); | |
41: | // step 2: we create a writer that listens to the document | |
42: | PdfWriter writer1 = PdfWriter.GetInstance(document1, new FileStream(args[1], FileMode.Create)); | |
43: | PdfWriter writer2 = PdfWriter.GetInstance(document2, new FileStream(args[2], FileMode.Create)); | |
44: | // step 3: we open the document | |
45: | document1.Open(); | |
46: | PdfContentByte cb1 = writer1.DirectContent; | |
47: | document2.Open(); | |
48: | PdfContentByte cb2 = writer2.DirectContent; | |
49: | PdfImportedPage page; | |
50: | int rotation; | |
51: | int i = 0; | |
52: | // step 4: we add content | |
53: | while (i < pagenumber - 1) | |
54: | { | |
55: | i++; | |
56: | document1.SetPageSize(reader.GetPageSizeWithRotation(i)); | |
57: | document1.NewPage(); | |
58: | page = writer1.GetImportedPage(reader, i); | |
59: | rotation = reader.GetPageRotation(i); | |
60: | if (rotation == 90 || rotation == 270) | |
61: | { | |
62: | cb1.AddTemplate(page, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height); | |
63: | } | |
64: | else | |
65: | { | |
66: | cb1.AddTemplate(page, 1f, 0, 0, 1f, 0, 0); | |
67: | } | |
68: | } | |
69: | while (i < n) | |
70: | { | |
71: | i++; | |
72: | document2.SetPageSize(reader.GetPageSizeWithRotation(i)); | |
73: | document2.NewPage(); | |
74: | page = writer2.GetImportedPage(reader, i); | |
75: | rotation = reader.GetPageRotation(i); | |
76: | if (rotation == 90 || rotation == 270) | |
77: | { | |
78: | cb2.AddTemplate(page, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height); | |
79: | } | |
80: | else | |
81: | { | |
82: | cb2.AddTemplate(page, 1f, 0, 0, 1f, 0, 0); | |
83: | } | |
84: | Console.WriteLine("Processed page " + i); | |
85: | } | |
86: | // step 5: we close the document | |
87: | document1.Close(); | |
88: | document2.Close(); | |
89: | } | |
90: | catch(Exception e) | |
91: | { | |
92: | Console.Error.WriteLine(e.Message); | |
93: | Console.Error.WriteLine(e.StackTrace); | |
94: | } | |
95: | } | |
96: | ||
97: | } | |
98: | } | |
99: | } |