From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001 From: tknall Date: Fri, 1 Dec 2006 12:20:24 +0000 Subject: Initial import of release 2.2. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- src/main/java/com/lowagie/text/ImgPostscript.java | 234 ++++++++++++++++++++++ 1 file changed, 234 insertions(+) create mode 100644 src/main/java/com/lowagie/text/ImgPostscript.java (limited to 'src/main/java/com/lowagie/text/ImgPostscript.java') diff --git a/src/main/java/com/lowagie/text/ImgPostscript.java b/src/main/java/com/lowagie/text/ImgPostscript.java new file mode 100644 index 0000000..3d6d902 --- /dev/null +++ b/src/main/java/com/lowagie/text/ImgPostscript.java @@ -0,0 +1,234 @@ +/* + * $Id: ImgPostscript.java,v 1.6 2006/04/22 16:56:40 psoares33 Exp $ + * $Name: $ + * + * Copyright 1999, 2000, 2001, 2002 by Paulo Soares. + * + * The contents of this file are subject to the Mozilla Public License Version 1.1 + * (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.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the License. + * + * The Original Code is 'iText, a free JAVA-PDF library'. + * + * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by + * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie. + * All Rights Reserved. + * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer + * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved. + * + * Contributor(s): all the names of the contributors are added in the source code + * where applicable. + * + * Alternatively, the contents of this file may be used under the terms of the + * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the + * provisions of LGPL are applicable instead of those above. If you wish to + * allow use of your version of this file only under the terms of the LGPL + * License and not to allow others to use your version of this file under + * the MPL, indicate your decision by deleting the provisions above and + * replace them with the notice and other provisions required by the LGPL. + * If you do not delete the provisions above, a recipient may use your version + * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE. + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the MPL as stated above or under the terms of the GNU + * Library General Public License as published by the Free Software Foundation; + * either version 2 of the License, or any later version. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more + * details. + * + * If you didn't download this code from the following link, you should check if + * you aren't using an obsolete version: + * http://www.lowagie.com/iText/ + */ + +package com.lowagie.text; + +import java.io.*; +import java.net.*; +import com.lowagie.text.pdf.*; +import com.lowagie.text.pdf.codec.postscript.*; +import java.util.StringTokenizer; + +/** + * An ImgPostscript is the representation of an EPS + * that has to be inserted into the document + * + * @see Element + * @see Image + */ + +public class ImgPostscript +extends Image +implements Element { + + // Constructors + + ImgPostscript(Image image) { + super(image); + } + + public ImgPostscript(byte[] content,float width,float height) throws + BadElementException, IOException { + super( (URL)null); + rawData = content; + originalData = content; + processParameters(); + this.urx=width; + this.ury=height; + } + /** + * Constructs an ImgPostscript-object, using an url. + * + * @param url the URL where the image can be found + * @throws BadElementException on error + * @throws IOException on error + */ + + public ImgPostscript(URL url) throws BadElementException, IOException { + super(url); + processParameters(); + } + + /** + * Constructs an ImgPostscript-object, using a filename. + * + * @param filename a String-representation of the file that contains the image. + * @throws BadElementException on error + * @throws MalformedURLException on error + * @throws IOException on error + */ + + public ImgPostscript(String filename) throws BadElementException, + MalformedURLException, IOException { + this(Image.toURL(filename)); + } + + /** + * Constructs an ImgPostscript-object from memory. + * + * @param img the memory image + * @throws BadElementException on error + * @throws IOException on error + */ + + public ImgPostscript(byte[] img) throws BadElementException, IOException { + super( (URL)null); + rawData = img; + originalData = img; + processParameters(); + } + + + /** + * This method checks if the image is a valid Postscript and processes some parameters. + * @throws BadElementException + * @throws IOException + */ + + private void processParameters() throws BadElementException, IOException { + type = IMGTEMPLATE; + originalType = ORIGINAL_PS; + InputStream is = null; + try { + if (rawData == null) { + is = url.openStream(); + } + else { + is = new java.io.ByteArrayInputStream(rawData); + } + String boundingbox=null; + String templatebox=null; + Reader r = new BufferedReader(new InputStreamReader(is)); + // StreamTokenizer st = new StreamTokenizer(r); + while (r.ready()) { + char c; + StringBuffer sb = new StringBuffer(); + while ( (c = ( (char) r.read())) != '\n'&&c!='\r') { + sb.append(c); + } + //System.out.println("<<" + sb.toString() + ">>"); + if (sb.toString().startsWith("%%BoundingBox:")) { + boundingbox = sb.toString(); + + } + if (sb.toString().startsWith("%%TemplateBox:")) { + templatebox = sb.toString(); + } + if (sb.toString().startsWith("%%EndComments")) { + break; + } + if ((!sb.toString().startsWith("%%"))&&(!sb.toString().startsWith("%!"))) { + break; + } + + } + if(boundingbox==null){ + scaledHeight=PageSize.A4.height(); + setTop(scaledHeight); + scaledWidth=PageSize.A4.width(); + setRight(scaledWidth); + return; + } + StringTokenizer st=new StringTokenizer(boundingbox,": \r\n"); + st.nextElement(); + String xx1=st.nextToken(); + String yy1=st.nextToken(); + String xx2=st.nextToken(); + String yy2=st.nextToken(); + + int left = Integer.parseInt(xx1); + int bottom = Integer.parseInt(yy1); + int right = Integer.parseInt(xx2); + int top = Integer.parseInt(yy2); + int inch = 1; + dpiX = 72; + dpiY = 72; + scaledHeight = (float) (top-bottom ) / inch *1f; + setTop(top); + scaledWidth = (float) (right - left) / inch * 1f; + setRight(right); + } + finally { + if (is != null) { + is.close(); + } + plainWidth = width(); + plainHeight = height(); + } + } + + /** Reads the Postscript into a template. + * @param template the template to read to + * @throws IOException on error + * @throws DocumentException on error + */ + public void readPostscript(PdfTemplate template) throws IOException, + DocumentException { + setTemplateData(template); + template.setWidth(width()); + template.setHeight(height()); + InputStream is = null; + try { + if (rawData == null) { + is = url.openStream(); + } + else { + is = new java.io.ByteArrayInputStream(rawData); + } + MetaDoPS meta = new MetaDoPS(is, template); + meta.readAll(); + } + finally { + if (is != null) { + is.close(); + } + } + } +} -- cgit v1.2.3