ByteArrayImageSource.java

/*
 * Copyright (c) 1996, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.awt.image;

import java.io.InputStream;
import java.io.ByteArrayInputStream;
import java.io.BufferedInputStream;

public class ByteArrayImageSource extends InputStreamImageSource {
    byte[] imagedata;
    int imageoffset;
    int imagelength;

    public ByteArrayImageSource(byte[] data) {
        this(data, 0, data.length);
    }

    public ByteArrayImageSource(byte[] data, int offset, int length) {
        imagedata = data;
        imageoffset = offset;
        imagelength = length;
    }

    final boolean checkSecurity(Object context, boolean quiet) {
        // No need to check security.  Applets and downloaded code can
        // only make byte array image once they already have a handle
        // on the image data anyway...
        return true;
    }

    protected ImageDecoder getDecoder() {
        InputStream is =
            new BufferedInputStream(new ByteArrayInputStream(imagedata,
                                                             imageoffset,
                                                             imagelength));
        return getDecoder(is);
    }
}