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 * @author Rustem V. Rafikov 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @version $Revision: 1.3 $ 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage org.apache.harmony.x.imageio.plugins.jpeg; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.android.internal.awt.ImageOutputStreamWrapper; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.ImageWriter; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.IIOImage; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.ImageTypeSpecifier; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.ImageWriteParam; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.plugins.jpeg.JPEGImageWriteParam; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.stream.ImageOutputStream; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.spi.ImageWriterSpi; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.imageio.metadata.IIOMetadata; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Bitmap; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.BitmapFactory; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Bitmap.CompressFormat; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.File; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileOutputStream; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.image.*; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.*; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.color.ColorSpace; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @author Rustem V. Rafikov 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @version $Revision: 1.3 $ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class JPEGImageWriter extends ImageWriter { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // /* ???AWT: Debugging 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean DEBUG = false; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static Bitmap bm; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Bitmap getBitmap() { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bm; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static BufferedImage bufImg; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static BufferedImage getBufImage() { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bufImg; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private RenderedImage renImg; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public RenderedImage getRenImage() { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return renImg; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // */ 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long cinfo; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RenderedImage image; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Raster sourceRaster; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private WritableRaster scanRaster; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int srcXOff = 0; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int srcYOff = 0; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int srcWidth; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int srcHeight; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- y step for image subsampling 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int deltaY = 1; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- x step for image subsampling 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int deltaX = 1; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ImageOutputStream ios; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public JPEGImageWriter(ImageWriterSpi imageWriterSpi) { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(imageWriterSpi); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT: cinfo = initCompressionObj(); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cinfo = System.currentTimeMillis(); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.loadLibrary("jpegencoder"); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initWriterIds(ImageOutputStream.class); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void write(IIOMetadata iioMetadata, IIOImage iioImage, ImageWriteParam param) 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IOException { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ios == null) { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("ios == null"); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (iioImage == null) { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Image equals null"); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RenderedImage img = null; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!iioImage.hasRaster()) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project img = iioImage.getRenderedImage(); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (img instanceof BufferedImage) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceRaster = ((BufferedImage) img).getRaster(); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceRaster = img.getData(); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceRaster = iioImage.getRaster(); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // AWT???: Debugging 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DEBUG) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if( img==null ) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("****J: Image is NULL"); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project renImg = img; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufImg = (BufferedImage)img; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numBands = sourceRaster.getNumBands(); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sourceIJGCs = img == null ? JPEGConsts.JCS_UNKNOW : getSourceCSType(img); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcWidth = sourceRaster.getWidth(); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcHeight = sourceRaster.getHeight(); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int destWidth = srcWidth; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int destHeight = srcHeight; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean progressive = false; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (param != null) { 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rectangle reg = param.getSourceRegion(); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (reg != null) { 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcXOff = reg.x; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcYOff = reg.y; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcWidth = reg.width + srcXOff > srcWidth 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? srcWidth - srcXOff 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : reg.width; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcHeight = reg.height + srcYOff > srcHeight 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? srcHeight - srcYOff 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : reg.height; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- TODO uncomment when JPEGImageWriteParam be implemented 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- Only default progressive mode yet 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // progressive = param.getProgressiveMode() == ImageWriteParam.MODE_DEFAULT; 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- def is 1 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaX = param.getSourceXSubsampling(); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = param.getSourceYSubsampling(); 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- def is 0 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offsetX = param.getSubsamplingXOffset(); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offsetY = param.getSubsamplingYOffset(); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcXOff += offsetX; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcYOff += offsetY; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcWidth -= offsetX; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcHeight -= offsetY; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project destWidth = (srcWidth + deltaX - 1) / deltaX; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project destHeight = (srcHeight + deltaY - 1) / deltaY; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- default DQTs (see JPEGQTable java doc and JPEG spec K1 & K2 tables) 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- at http://www.w3.org/Graphics/JPEG/itu-t81.pdf 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- Only figuring out how to set DQT in IJG library for future metadata 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- support. IJG def tables are the same. 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //JPEGQTable[] dqt = new JPEGQTable[2]; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// int[][] dqt = null; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// int[][] dqt = new int[2][]; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// dqt[0] = JPEGQTable.K1Div2Luminance.getTable(); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// dqt[1] = JPEGQTable.K2Div2Chrominance.getTable(); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT: I think we don't need this amymore 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- using default color space 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- TODO: Take destination cs from param or use default if there is no cs 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int destIJGCs = img == null ? JPEGConsts.JCS_UNKNOW : getDestinationCSType(img); 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DataBufferByte dbuffer = new DataBufferByte(numBands * srcWidth); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scanRaster = Raster.createInterleavedRaster(dbuffer, srcWidth, 1, 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numBands * srcWidth, numBands, JPEGConsts.BAND_OFFSETS[numBands], null); 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project encode(dbuffer.getData(), srcWidth, destWidth, destHeight, deltaX, 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceIJGCs, destIJGCs, numBands, progressive, 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, cinfo); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SampleModel model = sourceRaster.getSampleModel(); 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (model instanceof SinglePixelPackedSampleModel) { 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DataBufferInt ibuf = (DataBufferInt)sourceRaster.getDataBuffer(); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] pixels = ibuf.getData(); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Create a bitmap with the pixel 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bm = Bitmap.createBitmap(pixels, srcWidth, srcHeight, Bitmap.Config.ARGB_8888); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use Bitmap.compress() to write the image 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ImageOutputStreamWrapper iosw = new ImageOutputStreamWrapper(ios); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bm.compress(CompressFormat.JPEG, 100, iosw); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ???AWT: Add support for other color models 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Color model not supported yet"); 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispose() { 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispose(); 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cinfo != 0) { 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT: dispose(cinfo); 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cinfo = 0; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ios = null; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IIOMetadata getDefaultStreamMetadata(ImageWriteParam imageWriteParam) { 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not supported yet"); 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IIOMetadata getDefaultImageMetadata(ImageTypeSpecifier imageTypeSpecifier, ImageWriteParam imageWriteParam) { 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not supported yet"); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IIOMetadata convertStreamMetadata(IIOMetadata iioMetadata, ImageWriteParam imageWriteParam) { 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not supported yet"); 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IIOMetadata convertImageMetadata(IIOMetadata iioMetadata, ImageTypeSpecifier imageTypeSpecifier, ImageWriteParam imageWriteParam) { 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("not supported yet"); 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutput(Object output) { 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setOutput(output); 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ios = (ImageOutputStream) output; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT: setIOS(ios, cinfo); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceRaster = null; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scanRaster = null; 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcXOff = 0; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcYOff = 0; 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcWidth = 0; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcHeight = 0; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = 1; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Frees resources 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param structPointer 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT: private native void dispose(long structPointer); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inits methods Ids for native to java callbacks 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param iosClass 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT: private native static void initWriterIds(Class<ImageOutputStream> iosClass); 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inits compression objects 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return pointer to the native structure 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT: private native long initCompressionObj(); 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets image output stream in IJG layer 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stream 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT: private native void setIOS(ImageOutputStream stream, long structPointer); 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs encoding process. 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data image data buffer to encode 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param srcWidth - source width 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width - destination width 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height destination height 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deltaX - x subsampling step 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param inColorSpace - original color space 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param outColorSpace - destination color space 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numBands - number of bands 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cinfo - native handler 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //???AWT: 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native boolean encode(byte[] data, int srcWidth, 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width, int height, int deltaX, 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int inColorSpace, int outColorSpace, 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numBands, boolean progressive, 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[][] dqt, 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long cinfo); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for getting a next scanline 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scanline scan line number 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void getScanLine(int scanline) { 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-- TODO: processImageProgress in ImageWriter 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Raster child = sourceRaster.createChild(srcXOff, 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project srcYOff + scanline * deltaY, srcWidth, 1, 0, 0, null); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scanRaster.setRect(child); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps color space types to IJG color spaces 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param image 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int getSourceCSType(RenderedImage image) { 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int type = JPEGConsts.JCS_UNKNOW; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ColorModel cm = image.getColorModel(); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (null == cm) { 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return type; 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cm instanceof IndexColorModel) { 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("IndexColorModel is not supported yet"); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean hasAlpha = cm.hasAlpha(); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ColorSpace cs = cm.getColorSpace(); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(cs.getType()) { 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_GRAY: 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = JPEGConsts.JCS_GRAYSCALE; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_RGB: 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = hasAlpha ? JPEGConsts.JCS_RGBA : JPEGConsts.JCS_RGB; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_YCbCr: 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = hasAlpha ? JPEGConsts.JCS_YCbCrA : JPEGConsts.JCS_YCbCr; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_3CLR: 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = hasAlpha ? JPEGConsts.JCS_YCCA : JPEGConsts.JCS_YCC; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_CMYK: 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = JPEGConsts.JCS_CMYK; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return type; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns destination color space. 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (YCbCr[A] for RGB) 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param image 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int getDestinationCSType(RenderedImage image) { 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int type = JPEGConsts.JCS_UNKNOW; 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ColorModel cm = image.getColorModel(); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (null != cm) { 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean hasAlpha = cm.hasAlpha(); 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ColorSpace cs = cm.getColorSpace(); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(cs.getType()) { 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_GRAY: 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = JPEGConsts.JCS_GRAYSCALE; 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_RGB: 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = hasAlpha ? JPEGConsts.JCS_YCbCrA : JPEGConsts.JCS_YCbCr; 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_YCbCr: 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = hasAlpha ? JPEGConsts.JCS_YCbCrA : JPEGConsts.JCS_YCbCr; 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_3CLR: 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = hasAlpha ? JPEGConsts.JCS_YCCA : JPEGConsts.JCS_YCC; 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ColorSpace.TYPE_CMYK: 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type = JPEGConsts.JCS_CMYK; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return type; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageWriteParam getDefaultWriteParam() { 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new JPEGImageWriteParam(getLocale()); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 403