/*
* Created on Feb 5, 2008
* Created by Olivier Chalouhi
*
* Copyright 2008 Vuze, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License only.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
package com.aelitis.azureus.core.util.png;
import java.nio.ByteBuffer;
public class PNG {
public static byte[] getPNGBytesForWidth(int width) {
return getPNGBytesForSize(width,1);
}
public static byte[] getPNGBytesForSize(int width,int height) {
byte[] signature = new PngSignatureChunk().getChunkPayload();
byte[] ihdr = new IHDRChunk(width,height).getChunkPayload();
byte[] idat = new IDATChunk(width,height).getChunkPayload();
byte[] iend = new IENDChunk().getChunkPayload();
ByteBuffer buffer = ByteBuffer.allocate(signature.length + ihdr.length + idat.length + iend.length);
buffer.put(signature);
buffer.put(ihdr);
buffer.put(idat);
buffer.put(iend);
buffer.position(0);
return buffer.array();
}
/*
public static void main(String args[]) throws Exception {
File test = new File("/Users/olivier/Desktop/test.png");
FileOutputStream fos = new FileOutputStream(test);
fos.write(getPNGBytesForSize(600,400));
fos.close();
}
*/
}