Java tutorial
import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.pdf.GrayColor; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfSpotColor; import com.lowagie.text.pdf.PdfWriter; public class SpotColorsGrayPDF { public static void main(String[] args) { Document document = new Document(); try { PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("SpotColorsGrayPDF.pdf")); document.open(); PdfContentByte cb = writer.getDirectContent(); PdfSpotColor spc_g = new PdfSpotColor("PANTONE 100 CV", 0.5f, new GrayColor(0.9f)); cb.setColorStroke(spc_g, .5f); cb.setLineWidth(10f); cb.rectangle(100, 700, 100, 100); cb.stroke(); } catch (Exception de) { de.printStackTrace(); } document.close(); } }