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88 lines
3.4 KiB
Java
88 lines
3.4 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009-2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick Walton <pcwalton@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko.gfx;
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import org.mozilla.gecko.GeckoAppShell;
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import org.mozilla.gecko.gfx.CairoImage;
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import org.mozilla.gecko.gfx.CairoUtils;
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import android.graphics.Bitmap;
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import java.nio.ByteBuffer;
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/** A Cairo image that simply saves a buffer of pixel data. */
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public class BufferedCairoImage extends CairoImage {
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private ByteBuffer mBuffer;
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private int mWidth, mHeight, mFormat;
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private boolean mNeedToFreeBuffer = false;
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/** Creates a buffered Cairo image from a byte buffer. */
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public BufferedCairoImage(ByteBuffer inBuffer, int inWidth, int inHeight, int inFormat) {
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mBuffer = inBuffer; mWidth = inWidth; mHeight = inHeight; mFormat = inFormat;
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}
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/** Creates a buffered Cairo image from an Android bitmap. */
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public BufferedCairoImage(Bitmap bitmap) {
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mFormat = CairoUtils.bitmapConfigToCairoFormat(bitmap.getConfig());
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mWidth = bitmap.getWidth();
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mHeight = bitmap.getHeight();
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mNeedToFreeBuffer = true;
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mBuffer = GeckoAppShell.allocateDirectBuffer(mWidth * mHeight * 4);
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bitmap.copyPixelsToBuffer(mBuffer.asIntBuffer());
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}
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protected void finalize() throws Throwable {
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try {
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if (mNeedToFreeBuffer && mBuffer != null)
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GeckoAppShell.freeDirectBuffer(mBuffer);
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mNeedToFreeBuffer = false;
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mBuffer = null;
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} finally {
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super.finalize();
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}
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}
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@Override
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public ByteBuffer getBuffer() { return mBuffer; }
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@Override
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public int getWidth() { return mWidth; }
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@Override
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public int getHeight() { return mHeight; }
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@Override
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public int getFormat() { return mFormat; }
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}
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