| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.pdfbox.examples.pdmodel; |
| |
| import java.io.IOException; |
| import org.apache.pdfbox.cos.COSArray; |
| import org.apache.pdfbox.cos.COSDictionary; |
| import org.apache.pdfbox.cos.COSInteger; |
| import org.apache.pdfbox.cos.COSName; |
| import org.apache.pdfbox.pdmodel.PDDocument; |
| import org.apache.pdfbox.pdmodel.PDPage; |
| import org.apache.pdfbox.pdmodel.PDPageContentStream; |
| import org.apache.pdfbox.pdmodel.common.function.PDFunctionType2; |
| import org.apache.pdfbox.pdmodel.graphics.color.PDColor; |
| import org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace; |
| import org.apache.pdfbox.pdmodel.graphics.color.PDSeparation; |
| |
| /** |
| * This example shows how to use a separation color / spot color. Here it is a placeholder for gold, |
| * and it is displayed as yellow. You can see the colorspace in PDFDebugger by going to |
| * "Root/Pages/Kids/[0]/Resources/ColorSpace/cs1". |
| * |
| * @author Tilman Hausherr |
| */ |
| public class CreateSeparationColorBox |
| { |
| private CreateSeparationColorBox() |
| { |
| } |
| |
| public static void main(String[] args) throws IOException |
| { |
| try (PDDocument doc = new PDDocument()) |
| { |
| PDPage page = new PDPage(); |
| doc.addPage(page); |
| |
| COSArray separationArray = new COSArray(); |
| separationArray.add(COSName.SEPARATION); // type |
| separationArray.add(COSName.getPDFName("Gold")); // the name, e.g. metallic, fluorescent, glitter |
| separationArray.add(COSName.DEVICERGB); // alternate colorspace |
| |
| // tint transform function, results between C0=white (1 1 1) and C1=yellow (1 1 0) |
| COSDictionary fdict = new COSDictionary(); |
| fdict.setInt(COSName.FUNCTION_TYPE, 2); |
| COSArray range = new COSArray(); |
| range.add(COSInteger.ZERO); |
| range.add(COSInteger.ONE); |
| range.add(COSInteger.ZERO); |
| range.add(COSInteger.ONE); |
| range.add(COSInteger.ZERO); |
| range.add(COSInteger.ONE); |
| fdict.setItem(COSName.RANGE, range); |
| COSArray domain = new COSArray(); |
| domain.add(COSInteger.ZERO); |
| domain.add(COSInteger.ONE); |
| fdict.setItem(COSName.DOMAIN, domain); |
| COSArray c0 = new COSArray(); |
| c0.add(COSInteger.ONE); |
| c0.add(COSInteger.ONE); |
| c0.add(COSInteger.ONE); |
| fdict.setItem(COSName.C0, c0); |
| COSArray c1 = new COSArray(); |
| c1.add(COSInteger.ONE); |
| c1.add(COSInteger.ONE); |
| c1.add(COSInteger.ZERO); |
| fdict.setItem(COSName.C1, c1); |
| fdict.setInt(COSName.N, 1); |
| PDFunctionType2 func = new PDFunctionType2(fdict); |
| separationArray.add(func); |
| |
| PDColorSpace spotColorSpace = new PDSeparation(separationArray); |
| |
| try (PDPageContentStream cs = new PDPageContentStream(doc, page)) |
| { |
| PDColor color = new PDColor(new float[]{0.5f}, spotColorSpace); |
| cs.setStrokingColor(color); |
| cs.setLineWidth(10); |
| cs.addRect(50, 50, 500, 700); |
| cs.stroke(); |
| } |
| doc.save("gold.pdf"); |
| } |
| } |
| } |