diff options
Diffstat (limited to 'awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java')
| -rw-r--r-- | awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java b/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java deleted file mode 100644 index b979911..0000000 --- a/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java +++ /dev/null @@ -1,209 +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 org.apache.harmony.x.imageio.plugins.jpeg.JPEGConsts; - -import javax.imageio.ImageWriteParam; -import java.util.Locale; - -/** - * The JPEGImageWriteParam class allows to set JPEG Huffman tables and - * quantization when using the JPEG writer plug-in. - * - * @since Android 1.0 - */ -public class JPEGImageWriteParam extends ImageWriteParam { - - /** - * The Constant COMP_QUALITY_VALUES. - */ - private static final float[] COMP_QUALITY_VALUES = { - 0.05f, 0.75f, 0.95f - }; - - /** - * The Constant COMP_QUALITY_DESCRIPTIONS. - */ - private static final String[] COMP_QUALITY_DESCRIPTIONS = { - "Minimum useful", "Visually lossless", "Maximum useful" - }; - - /** - * The q tables. - */ - private JPEGQTable[] qTables; - - /** - * The dc huffman tables. - */ - private JPEGHuffmanTable[] dcHuffmanTables; - - /** - * The ac huffman tables. - */ - private JPEGHuffmanTable[] acHuffmanTables; - - /** - * The optimize huffman tables. - */ - private boolean optimizeHuffmanTables; - - /** - * Instantiates a new JPEGImageWriteParam object with the specified Locale. - * - * @param locale - * the Locale. - */ - public JPEGImageWriteParam(Locale locale) { - super(locale); - - canWriteProgressive = true; - progressiveMode = ImageWriteParam.MODE_DISABLED; - - canWriteCompressed = true; - compressionTypes = new String[] { - "JPEG" - }; - compressionType = compressionTypes[0]; - compressionQuality = JPEGConsts.DEFAULT_JPEG_COMPRESSION_QUALITY; - } - - /** - * 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 encoding streams. - * - * @param qTables - * the quantization tables. - * @param DCHuffmanTables - * the standart DC Huffman tables. - * @param ACHuffmanTables - * the standart AC huffman tables. - */ - public void setEncodeTables(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 encoded tables. - */ - public void unsetEncodeTables() { - qTables = null; - dcHuffmanTables = null; - acHuffmanTables = null; - } - - /** - * 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(); - } - - /** - * Gets the quantization tables. - * - * @return the quantization tables, or null. - */ - public JPEGQTable[] getQTables() { - return qTables == null ? null : qTables.clone(); - } - - @Override - public String[] getCompressionQualityDescriptions() { - super.getCompressionQualityDescriptions(); - return COMP_QUALITY_DESCRIPTIONS.clone(); - } - - @Override - public float[] getCompressionQualityValues() { - super.getCompressionQualityValues(); - return COMP_QUALITY_VALUES.clone(); - } - - /** - * Sets the flag indicated that the writer will generate optimized Huffman - * tables for the image as part of the writing process. - * - * @param optimize - * the flag of optimizing huffman tables. - */ - public void setOptimizeHuffmanTables(boolean optimize) { - optimizeHuffmanTables = optimize; - } - - /** - * Returns true if the writer generates optimized Huffman tables, false - * otherwise. - * - * @return true, if the writer generates optimized Huffman tables, false - * otherwise. - */ - public boolean getOptimizeHuffmanTables() { - return optimizeHuffmanTables; - } - - @Override - public boolean isCompressionLossless() { - if (getCompressionMode() != MODE_EXPLICIT) { - throw new IllegalStateException("Compression mode not MODE_EXPLICIT!"); - } - return false; - } - - @Override - public void unsetCompression() { - if (getCompressionMode() != MODE_EXPLICIT) { - throw new IllegalStateException("Compression mode not MODE_EXPLICIT!"); - } - compressionQuality = JPEGConsts.DEFAULT_JPEG_COMPRESSION_QUALITY; - } -} |