| 1: | using System; | |
| 2: | using System.IO; | |
| 3: | ||
| 4: | using iTextSharp.text; | |
| 5: | using iTextSharp.text.pdf; | |
| 6: | ||
| 7: | namespace iTextSharp.tutorial.Chap06 | |
| 8: | { | |
| 9: | /// <summary> | |
| 10: | /// Image masks | |
| 11: | /// </summary> | |
| 12: | public class Chap0613 | |
| 13: | { | |
| 14: | public Chap0613() | |
| 15: | { | |
| 16: | Console.WriteLine("Chapter 6 example 13: masked images"); | |
| 17: | ||
| 18: | Document document = new Document(PageSize.A4, 50, 50, 50, 50); | |
| 19: | try | |
| 20: | { | |
| 21: | PdfWriter writer = PdfWriter.GetInstance(document, new FileStream("Chap0613.pdf", FileMode.Create)); | |
| 22: | ||
| 23: | document.Open(); | |
| 24: | Paragraph p = new Paragraph("Some text behind a masked image."); | |
| 25: | document.Add(p); | |
| 26: | document.Add(p); | |
| 27: | document.Add(p); | |
| 28: | document.Add(p); | |
| 29: | document.Add(p); | |
| 30: | document.Add(p); | |
| 31: | document.Add(p); | |
| 32: | document.Add(p); | |
| 33: | document.Add(p); | |
| 34: | document.Add(p); | |
| 35: | ||
| 36: | document.Add(p); | |
| 37: | document.Add(p); | |
| 38: | document.Add(p); | |
| 39: | document.Add(p); | |
| 40: | document.Add(p); | |
| 41: | document.Add(p); | |
| 42: | document.Add(p); | |
| 43: | document.Add(p); | |
| 44: | document.Add(p); | |
| 45: | document.Add(p); | |
| 46: | document.Add(p); | |
| 47: | document.Add(p); | |
| 48: | document.Add(p); | |
| 49: | document.Add(p); | |
| 50: | document.Add(p); | |
| 51: | PdfContentByte cb = writer.DirectContent; | |
| 52: | byte[] maskr = {(byte)0x3c, (byte)0x7e, (byte)0xe7, (byte)0xc3, (byte)0xc3, (byte)0xe7, (byte)0x7e, (byte)0x3c}; | |
| 53: | Image mask = Image.GetInstance(8, 8, 1, 1, maskr); | |
| 54: | mask.MakeMask(); | |
| 55: | mask.Inverted=true; | |
| 56: | // mask.InvertMask = true; | |
| 57: | Image image = Image.GetInstance("vonnegut.gif"); | |
| 58: | image.ImageMask = mask; | |
| 59: | image.SetAbsolutePosition(60, 620); | |
| 60: | // explicit masking | |
| 61: | cb.AddImage(image); | |
| 62: | // stencil masking | |
| 63: | cb.SetRGBColorFill(255, 0, 0); | |
| 64: | cb.AddImage(mask, mask.ScaledWidth * 8, 0, 0, mask.ScaledHeight * 8, 100, 400); | |
| 65: | cb.SetRGBColorFill(0, 255, 0); | |
| 66: | cb.AddImage(mask, mask.ScaledWidth * 8, 0, 0, mask.ScaledHeight * 8, 200, 400); | |
| 67: | cb.SetRGBColorFill(0, 0, 255); | |
| 68: | cb.AddImage(mask, mask.ScaledWidth * 8, 0, 0, mask.ScaledHeight * 8, 300, 400); | |
| 69: | document.Close(); | |
| 70: | } | |
| 71: | catch (Exception de) | |
| 72: | { | |
| 73: | Console.Error.WriteLine(de.StackTrace); | |
| 74: | } | |
| 75: | } | |
| 76: | } | |
| 77: | } |