public Chap1014()
{
Console.WriteLine("Chapter 10 Example 14: colored patterns");
// step 1: creation of a document-object
Document document = new Document(PageSize.A4, 50, 50, 50, 50);
Document.Compress = false;
try
{
// step 2:
// we create a writer that listens to the document
// and directs a PDF-stream to a file
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream("Chap1014.pdf", FileMode.Create));
// step 3: we open the document
document.Open();
// step 4: we add some content
PdfContentByte cb = writer.DirectContent;
PdfTemplate tp = cb.CreateTemplate(400, 300);
PdfPatternPainter pat = cb.CreatePattern(15, 15, null);
pat.Rectangle(5, 5, 5, 5);
pat.Fill();
PdfSpotColor spc_cmyk = new PdfSpotColor("PANTONE 280 CV", 0.25f, new CMYKColor(0.9f, .2f, .3f, .1f));
SpotColor spot = new SpotColor(spc_cmyk);
tp.SetPatternFill(pat, spot, .9f);
tp.Rectangle(0, 0, 400, 300);
tp.Fill();
cb.AddTemplate(tp, 50, 50);
PdfPatternPainter pat2 = cb.CreatePattern(10, 10, null);
pat2.SetLineWidth(2);
pat2.MoveTo(-5, 0);
pat2.LineTo(10, 15);
pat2.Stroke();
pat2.MoveTo(0, -5);
pat2.LineTo(15, 10);
pat2.Stroke();
cb.SetLineWidth(1);
cb.SetColorStroke(new Color(System.Drawing.Color.Black));
cb.SetPatternFill(pat2, new Color(System.Drawing.Color.Red));
cb.Rectangle(100, 400, 30, 210);
cb.FillStroke();
cb.SetPatternFill(pat2, new Color(System.Drawing.Color.LightGreen));
cb.Rectangle(150, 400, 30, 100);
cb.FillStroke();
cb.SetPatternFill(pat2, new Color(System.Drawing.Color.Blue));
cb.Rectangle(200, 400, 30, 130);
cb.FillStroke();
cb.SetPatternFill(pat2, new GrayColor(0.5f));
cb.Rectangle(250, 400, 30, 80);
cb.FillStroke();
cb.SetPatternFill(pat2, new GrayColor(0.7f));
cb.Rectangle(300, 400, 30, 170);
cb.FillStroke();
cb.SetPatternFill(pat2, new GrayColor(0.9f));
cb.Rectangle(350, 400, 30, 40);
cb.FillStroke();
}
catch (Exception de)
{
Console.Error.WriteLine(de.Message);
Console.Error.WriteLine(de.StackTrace);
}
// step 5: we close the document
document.Close();
}
// ---------------------------------------------------------------------------
/**
* Creates a PDF document.
*/
public byte[] CreatePdf()
{
using (MemoryStream ms = new MemoryStream()) {
// step 1
using (Document document = new Document()) {
// step 2
PdfWriter writer = PdfWriter.GetInstance(document, ms);
// step 3
document.Open();
// step 4
PdfContentByte canvas = writer.DirectContent;
PdfPatternPainter square
= canvas.CreatePattern(15, 15);
square.SetColorFill(new BaseColor(0xFF, 0xFF, 0x00));
square.SetColorStroke(new BaseColor(0xFF, 0x00, 0x00));
square.Rectangle(5, 5, 5, 5);
square.FillStroke();
PdfPatternPainter ellipse
= canvas.CreatePattern(15, 10, 20, 25);
ellipse.SetColorFill(new BaseColor(0xFF, 0xFF, 0x00));
ellipse.SetColorStroke(new BaseColor(0xFF, 0x00, 0x00));
ellipse.Ellipse(2f, 2f, 13f, 8f);
ellipse.FillStroke();
PdfPatternPainter circle
= canvas.CreatePattern(15, 15, 10, 20, BaseColor.BLUE);
circle.Circle(7.5f, 7.5f, 2.5f);
circle.Fill();
PdfPatternPainter line
= canvas.CreatePattern(5, 10, null);
line.SetLineWidth(1);
line.MoveTo(3, -1);
line.LineTo(3, 11);
line.Stroke();
Image img = Image.GetInstance(RESOURCE);
img.ScaleAbsolute(20, 20);
img.SetAbsolutePosition(0, 0);
PdfPatternPainter img_pattern
= canvas.CreatePattern(20, 20, 20, 20);
img_pattern.AddImage(img);
img_pattern.SetPatternMatrix(-0.5f, 0f, 0f, 0.5f, 0f, 0f);
ColorRectangle(canvas, new PatternColor(square), 36, 696, 126, 126);
ColorRectangle(canvas, new PatternColor(ellipse), 180, 696, 126, 126);
ColorRectangle(canvas, new PatternColor(circle), 324, 696, 126, 126);
ColorRectangle(canvas, new PatternColor(line), 36, 552, 126, 126);
ColorRectangle(canvas, new PatternColor(img_pattern), 36, 408, 126, 126);
canvas.SetPatternFill(line, BaseColor.RED);
canvas.Ellipse(180, 552, 306, 678);
canvas.FillStroke();
canvas.SetPatternFill(circle, BaseColor.GREEN);
canvas.Ellipse(324, 552, 450, 678);
canvas.FillStroke();
canvas.SetPatternFill(img_pattern);
canvas.Ellipse(180, 408, 450, 534);
canvas.FillStroke();
}
return(ms.ToArray());
}
}