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/*
* $Id: ImgWMF.java,v 1.45 2004/12/14 12:14:31 blowagie 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 <CODE>ImgPostscript</CODE> 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);
}
/**
* Constructs an <CODE>ImgPostscript</CODE>-object, using an <VAR>url</VAR>.
*
* @param url the <CODE>URL</CODE> 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 <CODE>ImgPostscript</CODE>-object, using a <VAR>filename</VAR>.
*
* @param filename a <CODE>String</CODE>-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 <CODE>ImgPostscript</CODE>-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 {
String errorID;
if (rawData == null) {
is = url.openStream();
errorID = url.toString();
}
else {
is = new java.io.ByteArrayInputStream(rawData);
errorID = "Byte array";
}
String boundingbox=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') {
sb.append(c);
}
//System.out.println("<<" + sb.toString() + ">>");
if (sb.toString().startsWith("%%BoundingBox:")) {
boundingbox = sb.toString();
}
if (sb.toString().startsWith("%%TemplateBox:")) {
boundingbox = sb.toString();
}
if (sb.toString().startsWith("%%EndComments")) {
break;
}
}
if(boundingbox==null)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 top = Integer.parseInt(yy1);
int right = Integer.parseInt(xx2);
int bottom = Integer.parseInt(yy2);
int inch = 1;
dpiX = 72;
dpiY = 72;
scaledHeight = (float) (bottom - top) / inch *1f;
scaledHeight=800;
setTop(scaledHeight);
scaledWidth = (float) (right - left) / inch * 1f;
scaledWidth=800;
setRight(scaledWidth);
}
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();
}
}
}
}
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