19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this work for additional information regarding copyright ownership. 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (the "License"); you may not use this file except in compliance with 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the License. You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage org.apache.harmony.x.imageio.plugins.png; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.apache.harmony.awt.gl.image.DecodingImageSource; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.apache.harmony.awt.gl.image.OffscreenImage; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.apache.harmony.x.imageio.plugins.jpeg.IISDecodingImageSource; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.ImageReader; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.ImageTypeSpecifier; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.ImageReadParam; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.plugins.jpeg.JPEGImageReadParam; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.spi.ImageReaderSpi; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.stream.ImageInputStream; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.metadata.IIOMetadata; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Iterator; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.image.BufferedImage; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class PNGImageReader extends ImageReader { 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ImageInputStream iis; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PNGImageReader(ImageReaderSpi imageReaderSpi) { 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(imageReaderSpi); 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNumImages(boolean allowSearch) throws IOException { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- TODO imlement 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not implemented yet"); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getWidth(int imageIndex) throws IOException { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- TODO imlement 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not implemented yet"); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getHeight(int imageIndex) throws IOException { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- TODO imlement 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not implemented yet"); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Iterator<ImageTypeSpecifier> getImageTypes(int imageIndex) throws IOException { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- TODO imlement 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not implemented yet"); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IIOMetadata getStreamMetadata() throws IOException { 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- TODO imlement 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not implemented yet"); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IIOMetadata getImageMetadata(int imageIndex) throws IOException { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- TODO imlement 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not implemented yet"); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BufferedImage read(int i, ImageReadParam imageReadParam) throws IOException { 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (iis == null) { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("input stream == null"); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DecodingImageSource source = new IISDecodingImageSource(iis); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project OffscreenImage image = new OffscreenImage(source); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project source.addConsumer(image); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project source.load(); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The interrupted flag should be cleared because ImageDecoder interrupts 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // current thread while decoding (due its architecture). 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Thread.interrupted(); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return image.getBufferedImage(); 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BufferedImage read(int i) throws IOException { 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return read(i, null); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setInput(Object input, boolean seekForwardOnly, boolean ignoreMetadata) { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setInput(input, seekForwardOnly, ignoreMetadata); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project iis = (ImageInputStream) input; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageReadParam getDefaultReadParam() { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new ImageReadParam(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 107