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Diffstat (limited to 'awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java')
-rw-r--r-- | awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java b/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java deleted file mode 100644 index 2f3a9a8..0000000 --- a/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (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.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package javax.imageio.plugins.jpeg; - -import javax.imageio.ImageReadParam; - -/** - * The JPEGImageReadParam class provides functionality to set Huffman tables and - * quantization tables when using the JPEG reader plug-in. - * - * @since Android 1.0 - */ -public class JPEGImageReadParam extends ImageReadParam { - - /** - * The q tables. - */ - private JPEGQTable qTables[]; - - /** - * The dc huffman tables. - */ - private JPEGHuffmanTable dcHuffmanTables[]; - - /** - * The ac huffman tables. - */ - private JPEGHuffmanTable acHuffmanTables[]; - - /** - * Instantiates a new JPEGImageReadParam. - */ - public JPEGImageReadParam() { - } - - /** - * Returns true if tables are set, false otherwise. - * - * @return true, if tables are set, false otherwise. - */ - public boolean areTablesSet() { - return qTables != null; - } - - /** - * Sets the quantization and Huffman tables for using in decoding streams. - * - * @param qTables - * the quantization tables. - * @param DCHuffmanTables - * the standart DC Huffman tables. - * @param ACHuffmanTables - * the standart AC huffman tables. - */ - public void setDecodeTables(JPEGQTable[] qTables, JPEGHuffmanTable[] DCHuffmanTables, - JPEGHuffmanTable[] ACHuffmanTables) { - if (qTables == null || DCHuffmanTables == null || ACHuffmanTables == null) { - throw new IllegalArgumentException("Invalid JPEG table arrays"); - } - if (DCHuffmanTables.length != ACHuffmanTables.length) { - throw new IllegalArgumentException("Invalid JPEG table arrays"); - } - if (qTables.length > 4 || DCHuffmanTables.length > 4) { - throw new IllegalArgumentException("Invalid JPEG table arrays"); - } - - // Do the shallow copy, it should be enough - this.qTables = qTables.clone(); - dcHuffmanTables = DCHuffmanTables.clone(); - acHuffmanTables = ACHuffmanTables.clone(); - } - - /** - * Unset all decoded tables. - */ - public void unsetDecodeTables() { - qTables = null; - dcHuffmanTables = null; - acHuffmanTables = null; - } - - /** - * Gets the quantization tables. - * - * @return the quantization tables, or null. - */ - public JPEGQTable[] getQTables() { - return qTables == null ? null : qTables.clone(); - } - - /** - * Gets the DC Huffman tables. - * - * @return the DC Huffman tables which are set, or null. - */ - public JPEGHuffmanTable[] getDCHuffmanTables() { - return dcHuffmanTables == null ? null : dcHuffmanTables.clone(); - } - - /** - * Gets the AC Huffman tables. - * - * @return the AC Huffman tables which are set, or null. - */ - public JPEGHuffmanTable[] getACHuffmanTables() { - return acHuffmanTables == null ? null : acHuffmanTables.clone(); - } -} |