1: | using System; | |
2: | using System.IO; | |
3: | ||
4: | using iTextSharp.text; | |
5: | using iTextSharp.text.pdf; | |
6: | ||
7: | namespace iTextSharp.tutorial.Chap10 | |
8: | { | |
9: | /// <summary> | |
10: | /// Simple Graphic | |
11: | /// </summary> | |
12: | public class Chap1001 | |
13: | { | |
14: | ||
15: | public Chap1001() | |
16: | { | |
17: | ||
18: | Console.WriteLine("Chapter 10 example 1: Simple Graphic"); | |
19: | ||
20: | // step 1: creation of a document-object | |
21: | Document document = new Document(); | |
22: | ||
23: | try | |
24: | { | |
25: | ||
26: | // step 2: | |
27: | // we create a writer that listens to the document | |
28: | // and directs a PDF-stream to a file | |
29: | PdfWriter writer = PdfWriter.GetInstance(document, new FileStream("Chap1001.pdf", FileMode.Create)); | |
30: | ||
31: | // step 3: we open the document | |
32: | document.Open(); | |
33: | ||
34: | // step 4: we grab the ContentByte and do some stuff with it | |
35: | PdfContentByte cb = writer.DirectContent; | |
36: | ||
37: | // an example of a rectangle with a diagonal in very thick lines | |
38: | //cb.SetLineWidth(10f; | |
39: | cb.SetLineWidth(10f); | |
40: | // draw a rectangle | |
41: | cb.Rectangle(100, 700, 100, 100); | |
42: | // add the diagonal | |
43: | cb.MoveTo(100, 700); | |
44: | cb.LineTo(200, 800); | |
45: | // stroke the lines | |
46: | cb.Stroke(); | |
47: | ||
48: | // an example of some circles | |
49: | cb.SetLineDash(3, 3, 0); | |
50: | cb.SetRGBColorStrokeF(0f, 255f, 0f); | |
51: | cb.Circle(150f, 500f, 100f); | |
52: | cb.Stroke(); | |
53: | ||
54: | cb.SetLineWidth(5f); | |
55: | cb.ResetRGBColorStroke(); | |
56: | cb.Circle(150f, 500f, 50f); | |
57: | cb.Stroke(); | |
58: | ||
59: | // example with colorfill | |
60: | cb.SetRGBColorFillF(0f, 255f, 0f); | |
61: | cb.MoveTo(100f, 200f); | |
62: | cb.LineTo(200f, 250f); | |
63: | cb.LineTo(400f, 150f); | |
64: | // because we change the fill color BEFORE we stroke the triangle | |
65: | // the color of the triangle will be red instead of green | |
66: | cb.SetRGBColorFillF(255f, 0f, 0f); | |
67: | cb.ClosePathFillStroke(); | |
68: | } | |
69: | catch(DocumentException de) | |
70: | { | |
71: | Console.Error.WriteLine(de.Message); | |
72: | } | |
73: | catch(IOException ioe) | |
74: | { | |
75: | Console.Error.WriteLine(ioe.Message); | |
76: | } | |
77: | ||
78: | // step 5: we close the document | |
79: | document.Close(); | |
80: | } | |
81: | } | |
82: | } |