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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 Mozilla Android code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009-2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Patrick Walton <pcwalton@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.gecko.gfx;
import android.graphics.Bitmap;
import org.libreoffice.DirectBufferAllocator;
import java.nio.ByteBuffer;
//import org.mozilla.gecko.GeckoAppShell;
/**
* A Cairo image that simply saves a buffer of pixel data.
*/
public class BufferedCairoImage extends CairoImage {
private ByteBuffer mBuffer;
private IntSize mSize;
private int mFormat;
private boolean mNeedToFreeBuffer = false;
/**
* Creates a buffered Cairo image from a byte buffer.
*/
public BufferedCairoImage(ByteBuffer inBuffer, int inWidth, int inHeight, int inFormat) {
mBuffer = inBuffer;
mSize = new IntSize(inWidth, inHeight);
mFormat = inFormat;
}
/**
* Creates a buffered Cairo image from an Android bitmap.
*/
public BufferedCairoImage(Bitmap bitmap) {
mFormat = CairoUtils.bitmapConfigToCairoFormat(bitmap.getConfig());
mSize = new IntSize(bitmap.getWidth(), bitmap.getHeight());
mNeedToFreeBuffer = true;
// XXX Why is this * 4? Shouldn't it depend on mFormat?
mBuffer = DirectBufferAllocator.allocate(mSize.getArea() * 4);
bitmap.copyPixelsToBuffer(mBuffer.asIntBuffer());
}
protected void finalize() throws Throwable {
try {
if (mNeedToFreeBuffer && mBuffer != null) {
DirectBufferAllocator.free(mBuffer);
}
mNeedToFreeBuffer = false;
mBuffer = null;
} finally {
super.finalize();
}
}
@Override
public ByteBuffer getBuffer() {
return mBuffer;
}
@Override
public IntSize getSize() {
return mSize;
}
@Override
public int getFormat() {
return mFormat;
}
}
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