/*
* $Id: InputMeta.java 2742 2007-05-08 13:04:56Z blowagie $
* $Name$
*
* Copyright 2001, 2002 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.pdf.codec.wmf;
import com.google.code.appengine.awt.Color;
import java.io.IOException;
import java.io.InputStream;
import com.lowagie.text.Utilities;
public class InputMeta {
InputStream in;
int length;
public InputMeta(InputStream in) {
this.in = in;
}
public int readWord() throws IOException{
length += 2;
int k1 = in.read();
if (k1 < 0)
return 0;
return (k1 + (in.read() << 8)) & 0xffff;
}
public int readShort() throws IOException{
int k = readWord();
if (k > 0x7fff)
k -= 0x10000;
return k;
}
public int readInt() throws IOException{
length += 4;
int k1 = in.read();
if (k1 < 0)
return 0;
int k2 = in.read() << 8;
int k3 = in.read() << 16;
return k1 + k2 + k3 + (in.read() << 24);
}
public int readByte() throws IOException{
++length;
return in.read() & 0xff;
}
public void skip(int len) throws IOException{
length += len;
Utilities.skip(in, len);
}
public int getLength() {
return length;
}
public Color readColor() throws IOException{
int red = readByte();
int green = readByte();
int blue = readByte();
readByte();
return new Color(red, green, blue);
}
}