1 /*
2 * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
69 * and then is passed in to every native call. It is set to 0
70 * by dispose to avoid disposing twice.
71 */
72 private long structPointer = 0;
73
74 /** The input stream we read from */
75 private ImageInputStream iis = null;
76
77 /**
78 * List of stream positions for images, reinitialized every time
79 * a new input source is set.
80 */
81 private List<Long> imagePositions = null;
82
83 /**
84 * The number of images in the stream, or 0.
85 */
86 private int numImages = 0;
87
88 static {
89 java.security.AccessController.doPrivileged(
90 new java.security.PrivilegedAction<Void>() {
91 public Void run() {
92 System.loadLibrary("javajpeg");
93 return null;
94 }
95 });
96 initReaderIDs(ImageInputStream.class,
97 JPEGQTable.class,
98 JPEGHuffmanTable.class);
99 }
100
101 // The following warnings are converted to strings when used
102 // as keys to get localized resources from JPEGImageReaderResources
103 // and its children.
104
105 /**
106 * Warning code to be passed to warningOccurred to indicate
107 * that the EOI marker is missing from the end of the stream.
108 * This usually signals that the stream is corrupted, but
109 * everything up to the last MCU should be usable.
110 */
111 protected static final int WARNING_NO_EOI = 0;
112
113 /**
114 * Warning code to be passed to warningOccurred to indicate
115 * that a JFIF segment was encountered inside a JFXX JPEG
|
1 /*
2 * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
69 * and then is passed in to every native call. It is set to 0
70 * by dispose to avoid disposing twice.
71 */
72 private long structPointer = 0;
73
74 /** The input stream we read from */
75 private ImageInputStream iis = null;
76
77 /**
78 * List of stream positions for images, reinitialized every time
79 * a new input source is set.
80 */
81 private List<Long> imagePositions = null;
82
83 /**
84 * The number of images in the stream, or 0.
85 */
86 private int numImages = 0;
87
88 static {
89 jdk.internal.access.SharedSecrets.getJavaLangAccess().loadLibrary("javajpeg");
90 initReaderIDs(ImageInputStream.class,
91 JPEGQTable.class,
92 JPEGHuffmanTable.class);
93 }
94
95 // The following warnings are converted to strings when used
96 // as keys to get localized resources from JPEGImageReaderResources
97 // and its children.
98
99 /**
100 * Warning code to be passed to warningOccurred to indicate
101 * that the EOI marker is missing from the end of the stream.
102 * This usually signals that the stream is corrupted, but
103 * everything up to the last MCU should be usable.
104 */
105 protected static final int WARNING_NO_EOI = 0;
106
107 /**
108 * Warning code to be passed to warningOccurred to indicate
109 * that a JFIF segment was encountered inside a JFXX JPEG
|