001 /* 002 * Copyright (C) 2008-2010 by Holger Arndt 003 * 004 * This file is part of the Universal Java Matrix Package (UJMP). 005 * See the NOTICE file distributed with this work for additional 006 * information regarding copyright ownership and licensing. 007 * 008 * UJMP is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation; either version 2 011 * of the License, or (at your option) any later version. 012 * 013 * UJMP is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU Lesser General Public License for more details. 017 * 018 * You should have received a copy of the GNU Lesser General Public 019 * License along with UJMP; if not, write to the 020 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 021 * Boston, MA 02110-1301 USA 022 */ 023 024 package org.ujmp.itext; 025 026 import java.awt.Component; 027 import java.awt.Graphics2D; 028 import java.io.File; 029 import java.io.FileOutputStream; 030 import java.util.logging.Level; 031 import java.util.logging.Logger; 032 033 import javax.swing.JFileChooser; 034 035 import org.ujmp.core.UJMP; 036 import org.ujmp.core.enums.FileFormat; 037 import org.ujmp.gui.interfaces.CanRenderGraph; 038 039 import com.itextpdf.text.Document; 040 import com.itextpdf.text.Rectangle; 041 import com.itextpdf.text.pdf.DefaultFontMapper; 042 import com.itextpdf.text.pdf.PdfContentByte; 043 import com.itextpdf.text.pdf.PdfTemplate; 044 import com.itextpdf.text.pdf.PdfWriter; 045 046 public abstract class ExportPDF { 047 048 private static final Logger logger = Logger.getLogger(ExportPDF.class 049 .getName()); 050 051 public static final File selectFile() { 052 return selectFile(null); 053 } 054 055 public static final File selectFile(Component c) { 056 JFileChooser chooser = new JFileChooser(); 057 chooser.setFileFilter(FileFormat.PDF.getFileFilter()); 058 int returnVal = chooser.showOpenDialog(c); 059 if (returnVal == JFileChooser.APPROVE_OPTION) { 060 File file = chooser.getSelectedFile(); 061 if (!file.getAbsolutePath().toLowerCase().endsWith(".pdf")) 062 file = new File(file.getAbsolutePath() + ".pdf"); 063 return file; 064 } 065 return null; 066 } 067 068 public static final void save(File file, Component c) { 069 save(file, c, c.getWidth(), c.getHeight()); 070 } 071 072 public static final void save(File file, Component c, int width, int height) { 073 if (file == null) { 074 logger.log(Level.WARNING, "no file selected"); 075 return; 076 } 077 if (c == null) { 078 logger.log(Level.WARNING, "no component provided"); 079 return; 080 } 081 try { 082 Document document = new Document(new Rectangle(width, height)); 083 PdfWriter writer = PdfWriter.getInstance(document, 084 new FileOutputStream(file.getAbsolutePath())); 085 document.addAuthor("UJMP v" + UJMP.UJMPVERSION); 086 document.open(); 087 PdfContentByte cb = writer.getDirectContent(); 088 PdfTemplate tp = cb.createTemplate(width, height); 089 Graphics2D g2 = tp.createGraphics(width, height, 090 new DefaultFontMapper()); 091 if (c instanceof CanRenderGraph) { 092 ((CanRenderGraph) c).renderGraph(g2); 093 } else { 094 c.paint(g2); 095 } 096 g2.dispose(); 097 cb.addTemplate(tp, 0, 0); 098 document.close(); 099 writer.close(); 100 } catch (Exception e) { 101 logger.log(Level.WARNING, "could not save PDF file", e); 102 } 103 } 104 }