001/* 002 * $Id: PdfPTableEvent.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; 045 046/** An interface that can be used to retrieve the position of cells in <CODE>PdfPTable</CODE>. 047 * 048 * @author Paulo Soares 049 */ 050public interface PdfPTableEvent { 051 052 /** This method is called at the end of the table rendering. The text or graphics are added to 053 * one of the 4 <CODE>PdfContentByte</CODE> contained in 054 * <CODE>canvases</CODE>.<br> 055 * The indexes to <CODE>canvases</CODE> are:<p> 056 * <ul> 057 * <li><CODE>PdfPTable.BASECANVAS</CODE> - the original <CODE>PdfContentByte</CODE>. Anything placed here 058 * will be under the table. 059 * <li><CODE>PdfPTable.BACKGROUNDCANVAS</CODE> - the layer where the background goes to. 060 * <li><CODE>PdfPTable.LINECANVAS</CODE> - the layer where the lines go to. 061 * <li><CODE>PdfPTable.TEXTCANVAS</CODE> - the layer where the text go to. Anything placed here 062 * will be over the table. 063 * </ul> 064 * The layers are placed in sequence on top of each other. 065 * <p> 066 * The <CODE>widths</CODE> and <CODE>heights</CODE> have the coordinates of the cells.<br> 067 * The size of the <CODE>widths</CODE> array is the number of rows. 068 * Each sub-array in <CODE>widths</CODE> corresponds to the x column border positions where 069 * the first element is the x coordinate of the left table border and the last 070 * element is the x coordinate of the right table border. 071 * If colspan is not used all the sub-arrays in <CODE>widths</CODE> 072 * are the same.<br> 073 * For the <CODE>heights</CODE> the first element is the y coordinate of the top table border and the last 074 * element is the y coordinate of the bottom table border. 075 * @param table the <CODE>PdfPTable</CODE> in use 076 * @param widths an array of arrays with the cells' x positions. It has the length of the number 077 * of rows 078 * @param heights an array with the cells' y positions. It has a length of the number 079 * of rows + 1 080 * @param headerRows the number of rows defined for the header. 081 * @param rowStart the first row number after the header 082 * @param canvases an array of <CODE>PdfContentByte</CODE> 083 */ 084 public void tableLayout(PdfPTable table, float widths[][], float heights[], int headerRows, int rowStart, PdfContentByte[] canvases); 085 086} 087