static private PdfTemplate CreateBarcodeTemplate(PdfContentByte over, Barcode barcode, bool opaque, bool withBorder)
{
PdfTemplate template = over.CreateTemplate(0, 0);
float borderSize = opaque && withBorder ? barcode.X * 3 : 0; // 3 ширины полоски
if (opaque)
{
// Создадим п/у залитый белым цветом
template.SetColorFill(BaseColor.WHITE);
template.Rectangle(-borderSize, -borderSize, barcode.BarcodeSize.Width + borderSize * 2, barcode.BarcodeSize.Height + borderSize * 2);
template.Fill();
}
iTextSharp.text.Rectangle boundingBox = barcode.PlaceBarcode(template, BaseColor.BLACK, BaseColor.BLACK);
if (borderSize != 0.0)
{
boundingBox.Right += borderSize;
boundingBox.Left -= borderSize;
boundingBox.Top += borderSize;
if (barcode.Font != null)
{
// Если текст отображается, то не нужно расширять, потому что там и так место под текстом есть.
boundingBox.Bottom -= borderSize;
}
}
// Обрежем шаблон до размера barCode + граница
template.BoundingBox = boundingBox;
return(template);
}
public static Image CreateRectangle(PdfWriter writer, float x, float y, float width, float height, BaseColor backColor)
{
PdfTemplate template = writer.DirectContent.CreateTemplate(width, height);
template.SetColorFill(backColor);
template.Rectangle(x, y, width, height);
template.Fill();
writer.ReleaseTemplate(template);
return(Image.GetInstance(template));
}
public void Sign(String src, String name, String dest, ICollection <X509Certificate> chain, ICipherParameters pk,
String digestAlgorithm, CryptoStandard subfilter, String reason, String location)
{
// Creating the reader and the stamper
PdfReader reader = new PdfReader(src);
FileStream os = new FileStream(dest, FileMode.Create);
PdfStamper stamper = PdfStamper.CreateSignature(reader, os, '\0');
// Creating the appearance
PdfSignatureAppearance appearance = stamper.SignatureAppearance;
appearance.Reason = reason;
appearance.Location = location;
appearance.SetVisibleSignature(name);
// Creating the appearance for layer 0
PdfTemplate n0 = appearance.GetLayer(0);
float x = n0.BoundingBox.Left;
float y = n0.BoundingBox.Bottom;
float width = n0.BoundingBox.Width;
float height = n0.BoundingBox.Height;
n0.SetColorFill(BaseColor.LIGHT_GRAY);
n0.Rectangle(x, y, width, height);
n0.Fill();
// Creating the appearance for layer 2
PdfTemplate n2 = appearance.GetLayer(2);
ColumnText ct = new ColumnText(n2);
ct.SetSimpleColumn(n2.BoundingBox);
Paragraph p = new Paragraph("This document was signed by Bruno Specimen.");
ct.AddElement(p);
ct.Go();
// Creating the signature
IExternalSignature pks = new PrivateKeySignature(pk, digestAlgorithm);
MakeSignature.SignDetached(appearance, pks, chain, null, null, null, 0, subfilter);
}
public Chap1013()
{
Console.WriteLine("Chapter 10 Example 13: Spot Color");
// step 1: creation of a document-object
Document document = new Document();
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("Chap1013.pdf", FileMode.Create));
BaseFont bf = BaseFont.CreateFont("Helvetica", "winansi", BaseFont.NOT_EMBEDDED);
// step 3: we open the document
document.Open();
// step 4: we add some content
PdfContentByte cb = writer.DirectContent;
// Note: I made up these names unless someone give me a PANTONE swatch as gift ([email protected])
PdfSpotColor spc_cmyk = new PdfSpotColor("PANTONE 280 CV", 0.25f, new CMYKColor(0.9f, .2f, .3f, .1f));
PdfSpotColor spc_rgb = new PdfSpotColor("PANTONE 147", 0.9f, new Color(114, 94, 38));
PdfSpotColor spc_g = new PdfSpotColor("PANTONE 100 CV", 0.5f, new GrayColor(0.9f));
// Stroke a rectangle with CMYK alternate
cb.SetColorStroke(spc_cmyk, .5f);
cb.SetLineWidth(10f);
// draw a rectangle
cb.Rectangle(100, 700, 100, 100);
// add the diagonal
cb.MoveTo(100, 700);
cb.LineTo(200, 800);
// stroke the lines
cb.Stroke();
// Fill a rectangle with CMYK alternate
cb.SetColorFill(spc_cmyk, spc_cmyk.Tint);
cb.Rectangle(250, 700, 100, 100);
cb.Fill();
// Stroke a circle with RGB alternate
cb.SetColorStroke(spc_rgb, spc_rgb.Tint);
cb.SetLineWidth(5f);
cb.Circle(150f, 500f, 100f);
cb.Stroke();
// Fill the circle with RGB alternate
cb.SetColorFill(spc_rgb, spc_rgb.Tint);
cb.Circle(150f, 500f, 50f);
cb.Fill();
// example with colorfill
cb.SetColorFill(spc_g, spc_g.Tint);
cb.MoveTo(100f, 200f);
cb.LineTo(200f, 250f);
cb.LineTo(400f, 150f);
cb.Fill();
document.NewPage();
String text = "Some text to show";
document.Add(new Paragraph(text, FontFactory.GetFont(FontFactory.HELVETICA, 24, Font.NORMAL, new SpotColor(spc_cmyk))));
document.Add(new Paragraph(text, FontFactory.GetFont(FontFactory.HELVETICA, 24, Font.NORMAL, new SpotColor(spc_cmyk, 0.5f))));
// example with template
PdfTemplate t = cb.CreateTemplate(500f, 500f);
// Stroke a rectangle with CMYK alternate
t.SetColorStroke(new SpotColor(spc_cmyk, .5f));
t.SetLineWidth(10f);
// draw a rectangle
t.Rectangle(100, 10, 100, 100);
// add the diagonal
t.MoveTo(100, 10);
t.LineTo(200, 100);
// stroke the lines
t.Stroke();
// Fill a rectangle with CMYK alternate
t.SetColorFill(spc_g, spc_g.Tint);
t.Rectangle(100, 125, 100, 100);
t.Fill();
t.BeginText();
t.SetFontAndSize(bf, 20f);
t.SetTextMatrix(1f, 0f, 0f, 1f, 10f, 10f);
t.ShowText("Template text upside down");
t.EndText();
t.Rectangle(0, 0, 499, 499);
t.Stroke();
cb.AddTemplate(t, -1.0f, 0.00f, 0.00f, -1.0f, 550f, 550f);
}
catch (Exception de)
{
Console.Error.WriteLine(de.Message);
Console.Error.WriteLine(de.StackTrace);
}
// step 5: we close the document
document.Close();
}
public void FillEllipse(Brush2 brush, float x, float y, float width, float height)
{
SetBrush(brush);
template.Ellipse(x, currentHeight - y, x + width, currentHeight - (y + height));
template.Fill();
}
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();
}