01: /*
02: * Copyright 1996 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun in the LICENSE file that accompanied this code.
10: *
11: * This code is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: * version 2 for more details (a copy is included in the LICENSE file that
15: * accompanied this code).
16: *
17: * You should have received a copy of the GNU General Public License version
18: * 2 along with this work; if not, write to the Free Software Foundation,
19: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package sun.awt.image;
27:
28: import java.io.InputStream;
29: import java.io.ByteArrayInputStream;
30: import java.io.BufferedInputStream;
31:
32: public class ByteArrayImageSource extends InputStreamImageSource {
33: byte[] imagedata;
34: int imageoffset;
35: int imagelength;
36:
37: public ByteArrayImageSource(byte[] data) {
38: this (data, 0, data.length);
39: }
40:
41: public ByteArrayImageSource(byte[] data, int offset, int length) {
42: imagedata = data;
43: imageoffset = offset;
44: imagelength = length;
45: }
46:
47: final boolean checkSecurity(Object context, boolean quiet) {
48: // No need to check security. Applets and downloaded code can
49: // only make byte array image once they already have a handle
50: // on the image data anyway...
51: return true;
52: }
53:
54: protected ImageDecoder getDecoder() {
55: InputStream is = new BufferedInputStream(
56: new ByteArrayInputStream(imagedata, imageoffset,
57: imagelength));
58: return getDecoder(is);
59: }
60: }
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