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/*******************************************************************************
* Copyright (c) 2004, 2007 Remy Suen, Composent, Inc., and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Remy Suen <remy.suen@gmail.com> - initial API and implementation
******************************************************************************/
package org.eclipse.ecf.internal.example.collab.ui;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.PaletteData;
public class ImageWrapper implements Serializable {
private static final long serialVersionUID = -834839369167998998L;
public final int width;
public final int height;
public final int depth;
public final int scanlinePad;
public byte[] data;
private final int redMask;
private final int greenMask;
private final int blueMask;
ImageWrapper(ImageData data) {
width = data.width;
height = data.height;
depth = data.depth;
scanlinePad = data.scanlinePad;
this.data = null;
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
final ZipOutputStream zos = new ZipOutputStream(bos);
final ZipEntry entry = new ZipEntry("bytes");
final ByteArrayInputStream bis = new ByteArrayInputStream(data.data);
int read = 0;
final byte[] buf = new byte[16384];
try {
zos.putNextEntry(entry);
while ((read = bis.read(buf)) != -1) {
zos.write(buf, 0, read);
}
zos.finish();
zos.flush();
} catch (final IOException e) {
// Should never happen
}
this.data = bos.toByteArray();
redMask = data.palette.redMask;
greenMask = data.palette.greenMask;
blueMask = data.palette.blueMask;
}
protected byte[] getUncompressedData() throws IOException {
final ZipInputStream ins = new ZipInputStream(new ByteArrayInputStream(this.data));
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
int read = 0;
final byte[] buf = new byte[16384];
ins.getNextEntry();
while ((read = ins.read(buf)) > 0) {
bos.write(buf, 0, read);
}
bos.flush();
ins.close();
return bos.toByteArray();
}
public ImageData createImageData() throws IOException {
final PaletteData palette = new PaletteData(redMask, greenMask, blueMask);
return new ImageData(width, height, depth, palette, scanlinePad, getUncompressedData());
}
}
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