001/* 002 * $Id: PdfShadingPattern.java 4784 2011-03-15 08:33:00Z blowagie $ 003 * 004 * This file is part of the iText (R) project. 005 * Copyright (c) 1998-2011 1T3XT BVBA 006 * Authors: Bruno Lowagie, Paulo Soares, et al. 007 * 008 * This program is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Affero General Public License version 3 010 * as published by the Free Software Foundation with the addition of the 011 * following permission added to Section 15 as permitted in Section 7(a): 012 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT, 013 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. 014 * 015 * This program is distributed in the hope that it will be useful, but 016 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 017 * or FITNESS FOR A PARTICULAR PURPOSE. 018 * See the GNU Affero General Public License for more details. 019 * You should have received a copy of the GNU Affero General Public License 020 * along with this program; if not, see http://www.gnu.org/licenses or write to 021 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 022 * Boston, MA, 02110-1301 USA, or download the license from the following URL: 023 * http://itextpdf.com/terms-of-use/ 024 * 025 * The interactive user interfaces in modified source and object code versions 026 * of this program must display Appropriate Legal Notices, as required under 027 * Section 5 of the GNU Affero General Public License. 028 * 029 * In accordance with Section 7(b) of the GNU Affero General Public License, 030 * a covered work must retain the producer line in every PDF that is created 031 * or manipulated using iText. 032 * 033 * You can be released from the requirements of the license by purchasing 034 * a commercial license. Buying such a license is mandatory as soon as you 035 * develop commercial activities involving the iText software without 036 * disclosing the source code of your own applications. 037 * These activities include: offering paid services to customers as an ASP, 038 * serving PDFs on the fly in a web application, shipping iText with a closed 039 * source product. 040 * 041 * For more information, please contact iText Software Corp. at this 042 * address: sales@itextpdf.com 043 */ 044package com.itextpdf.text.pdf; 045 046import java.io.IOException; 047import com.itextpdf.text.error_messages.MessageLocalization; 048/** Implements the shading pattern dictionary. 049 * 050 * @author Paulo Soares 051 */ 052public class PdfShadingPattern extends PdfDictionary { 053 054 protected PdfShading shading; 055 056 protected PdfWriter writer; 057 058 protected float matrix[] = {1, 0, 0, 1, 0, 0}; 059 060 protected PdfName patternName; 061 062 protected PdfIndirectReference patternReference; 063 064 /** Creates new PdfShadingPattern */ 065 public PdfShadingPattern(PdfShading shading) { 066 writer = shading.getWriter(); 067 put(PdfName.PATTERNTYPE, new PdfNumber(2)); 068 this.shading = shading; 069 } 070 071 PdfName getPatternName() { 072 return patternName; 073 } 074 075 PdfName getShadingName() { 076 return shading.getShadingName(); 077 } 078 079 PdfIndirectReference getPatternReference() { 080 if (patternReference == null) 081 patternReference = writer.getPdfIndirectReference(); 082 return patternReference; 083 } 084 085 PdfIndirectReference getShadingReference() { 086 return shading.getShadingReference(); 087 } 088 089 void setName(int number) { 090 patternName = new PdfName("P" + number); 091 } 092 093 void addToBody() throws IOException { 094 put(PdfName.SHADING, getShadingReference()); 095 put(PdfName.MATRIX, new PdfArray(matrix)); 096 writer.addToBody(this, getPatternReference()); 097 } 098 099 public void setMatrix(float matrix[]) { 100 if (matrix.length != 6) 101 throw new RuntimeException(MessageLocalization.getComposedMessage("the.matrix.size.must.be.6")); 102 this.matrix = matrix; 103 } 104 105 public float[] getMatrix() { 106 return matrix; 107 } 108 109 public PdfShading getShading() { 110 return shading; 111 } 112 113 ColorDetails getColorDetails() { 114 return shading.getColorDetails(); 115 } 116 117}