1c5a419970eb91c85844002901210484b29e25fb1DRC/* 27a8c53e4bd7a0dbe442f4643f7e92f5355f69a68DRC * Copyright (C)2011-2015 D. R. Commander. All Rights Reserved. 3c5a419970eb91c85844002901210484b29e25fb1DRC * 4c5a419970eb91c85844002901210484b29e25fb1DRC * Redistribution and use in source and binary forms, with or without 5c5a419970eb91c85844002901210484b29e25fb1DRC * modification, are permitted provided that the following conditions are met: 6c5a419970eb91c85844002901210484b29e25fb1DRC * 7c5a419970eb91c85844002901210484b29e25fb1DRC * - Redistributions of source code must retain the above copyright notice, 8c5a419970eb91c85844002901210484b29e25fb1DRC * this list of conditions and the following disclaimer. 9c5a419970eb91c85844002901210484b29e25fb1DRC * - Redistributions in binary form must reproduce the above copyright notice, 10c5a419970eb91c85844002901210484b29e25fb1DRC * this list of conditions and the following disclaimer in the documentation 11c5a419970eb91c85844002901210484b29e25fb1DRC * and/or other materials provided with the distribution. 12c5a419970eb91c85844002901210484b29e25fb1DRC * - Neither the name of the libjpeg-turbo Project nor the names of its 13c5a419970eb91c85844002901210484b29e25fb1DRC * contributors may be used to endorse or promote products derived from this 14c5a419970eb91c85844002901210484b29e25fb1DRC * software without specific prior written permission. 15c5a419970eb91c85844002901210484b29e25fb1DRC * 16c5a419970eb91c85844002901210484b29e25fb1DRC * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS", 17c5a419970eb91c85844002901210484b29e25fb1DRC * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18c5a419970eb91c85844002901210484b29e25fb1DRC * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19c5a419970eb91c85844002901210484b29e25fb1DRC * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE 20c5a419970eb91c85844002901210484b29e25fb1DRC * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21c5a419970eb91c85844002901210484b29e25fb1DRC * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22c5a419970eb91c85844002901210484b29e25fb1DRC * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23c5a419970eb91c85844002901210484b29e25fb1DRC * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24c5a419970eb91c85844002901210484b29e25fb1DRC * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25c5a419970eb91c85844002901210484b29e25fb1DRC * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26c5a419970eb91c85844002901210484b29e25fb1DRC * POSSIBILITY OF SUCH DAMAGE. 27c5a419970eb91c85844002901210484b29e25fb1DRC */ 28c5a419970eb91c85844002901210484b29e25fb1DRC 29c5a419970eb91c85844002901210484b29e25fb1DRCpackage org.libjpegturbo.turbojpeg; 30c5a419970eb91c85844002901210484b29e25fb1DRC 3184a1bcca6fd0f21091a84f04b820b29012c60857DRCimport java.awt.image.*; 321f014c32e66e00f4e6934f31beefae57ab51a477DRCimport java.nio.*; 3384a1bcca6fd0f21091a84f04b820b29012c60857DRC 3492549de2c2b139070294aec12ec39b7c86a56b52DRC/** 3592549de2c2b139070294aec12ec39b7c86a56b52DRC * TurboJPEG compressor 3692549de2c2b139070294aec12ec39b7c86a56b52DRC */ 37c5a419970eb91c85844002901210484b29e25fb1DRCpublic class TJCompressor { 38c5a419970eb91c85844002901210484b29e25fb1DRC 3967bee8683db22050e346e0d002c5969da854d582DRC private static final String NO_ASSOC_ERROR = 402c74e5124d25112809bdc26cbc36aa764e8870c3DRC "No source image is associated with this instance"; 412c74e5124d25112809bdc26cbc36aa764e8870c3DRC 4292549de2c2b139070294aec12ec39b7c86a56b52DRC /** 4392549de2c2b139070294aec12ec39b7c86a56b52DRC * Create a TurboJPEG compressor instance. 4492549de2c2b139070294aec12ec39b7c86a56b52DRC */ 45c5a419970eb91c85844002901210484b29e25fb1DRC public TJCompressor() throws Exception { 46c5a419970eb91c85844002901210484b29e25fb1DRC init(); 47c5a419970eb91c85844002901210484b29e25fb1DRC } 48c5a419970eb91c85844002901210484b29e25fb1DRC 4992549de2c2b139070294aec12ec39b7c86a56b52DRC /** 50fac3bea8dae8664110951427434d94bcd139d17bDRC * Create a TurboJPEG compressor instance and associate the uncompressed 51fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * source image stored in <code>srcImage</code> with the newly created 52fac3bea8dae8664110951427434d94bcd139d17bDRC * instance. 53fac3bea8dae8664110951427434d94bcd139d17bDRC * 54fac3bea8dae8664110951427434d94bcd139d17bDRC * @param srcImage see {@link #setSourceImage} for description 55fac3bea8dae8664110951427434d94bcd139d17bDRC * 56fac3bea8dae8664110951427434d94bcd139d17bDRC * @param x see {@link #setSourceImage} for description 57fac3bea8dae8664110951427434d94bcd139d17bDRC * 58fac3bea8dae8664110951427434d94bcd139d17bDRC * @param y see {@link #setSourceImage} for description 59fac3bea8dae8664110951427434d94bcd139d17bDRC * 60fac3bea8dae8664110951427434d94bcd139d17bDRC * @param width see {@link #setSourceImage} for description 61fac3bea8dae8664110951427434d94bcd139d17bDRC * 62fac3bea8dae8664110951427434d94bcd139d17bDRC * @param pitch see {@link #setSourceImage} for description 63fac3bea8dae8664110951427434d94bcd139d17bDRC * 64fac3bea8dae8664110951427434d94bcd139d17bDRC * @param height see {@link #setSourceImage} for description 65fac3bea8dae8664110951427434d94bcd139d17bDRC * 6665d4a46d3b01dd56a03565b62f223262698b1bedDRC * @param pixelFormat pixel format of the source image (one of 67fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * {@link TJ#PF_RGB TJ.PF_*}) 68fac3bea8dae8664110951427434d94bcd139d17bDRC */ 69fac3bea8dae8664110951427434d94bcd139d17bDRC public TJCompressor(byte[] srcImage, int x, int y, int width, int pitch, 7067bee8683db22050e346e0d002c5969da854d582DRC int height, int pixelFormat) throws Exception { 71fac3bea8dae8664110951427434d94bcd139d17bDRC setSourceImage(srcImage, x, y, width, pitch, height, pixelFormat); 72fac3bea8dae8664110951427434d94bcd139d17bDRC } 73fac3bea8dae8664110951427434d94bcd139d17bDRC 74fac3bea8dae8664110951427434d94bcd139d17bDRC /** 75fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @deprecated Use 76fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * {@link #TJCompressor(byte[], int, int, int, int, int, int)} instead. 77fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC */ 78fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC @Deprecated 79fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC public TJCompressor(byte[] srcImage, int width, int pitch, int height, 80fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC int pixelFormat) throws Exception { 81fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC setSourceImage(srcImage, width, pitch, height, pixelFormat); 82fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC } 83fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC 84fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC /** 85b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * Create a TurboJPEG compressor instance and associate the uncompressed 86fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * source image stored in <code>srcImage</code> with the newly created 87b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * instance. 88b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 89b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param srcImage see 90b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #setSourceImage(BufferedImage, int, int, int, int)} for description 91b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 92b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param x see 93b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #setSourceImage(BufferedImage, int, int, int, int)} for description 94b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 95b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param y see 96b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #setSourceImage(BufferedImage, int, int, int, int)} for description 97b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 98b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param width see 99b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #setSourceImage(BufferedImage, int, int, int, int)} for description 100b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 101b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param height see 102b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #setSourceImage(BufferedImage, int, int, int, int)} for description 103b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC */ 104b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC public TJCompressor(BufferedImage srcImage, int x, int y, int width, 105b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC int height) throws Exception { 106b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC setSourceImage(srcImage, x, y, width, height); 107b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC } 108b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC 109b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC /** 110fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * Associate an uncompressed RGB, grayscale, or CMYK source image with this 111fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * compressor instance. 11292549de2c2b139070294aec12ec39b7c86a56b52DRC * 11338cb1ec2a77b7209a260f3cced1e6c6365616c8eDRC * @param srcImage image buffer containing RGB, grayscale, or CMYK pixels to 1147a8c53e4bd7a0dbe442f4643f7e92f5355f69a68DRC * be compressed or encoded. This buffer is not modified. 11592549de2c2b139070294aec12ec39b7c86a56b52DRC * 116fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @param x x offset (in pixels) of the region in the source image from which 117fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * the JPEG or YUV image should be compressed/encoded 118fac3bea8dae8664110951427434d94bcd139d17bDRC * 119fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @param y y offset (in pixels) of the region in the source image from which 120fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * the JPEG or YUV image should be compressed/encoded 121fac3bea8dae8664110951427434d94bcd139d17bDRC * 122fac3bea8dae8664110951427434d94bcd139d17bDRC * @param width width (in pixels) of the region in the source image from 123fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * which the JPEG or YUV image should be compressed/encoded 12492549de2c2b139070294aec12ec39b7c86a56b52DRC * 12592549de2c2b139070294aec12ec39b7c86a56b52DRC * @param pitch bytes per line of the source image. Normally, this should be 12692549de2c2b139070294aec12ec39b7c86a56b52DRC * <code>width * TJ.pixelSize(pixelFormat)</code> if the source image is 12792549de2c2b139070294aec12ec39b7c86a56b52DRC * unpadded, but you can use this parameter to, for instance, specify that 128fac3bea8dae8664110951427434d94bcd139d17bDRC * the scanlines in the source image are padded to a 4-byte boundary or to 129fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * compress/encode a JPEG or YUV image from a region of a larger source 130fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * image. You can also be clever and use this parameter to skip lines, etc. 131fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * Setting this parameter to 0 is the equivalent of setting it to 132fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * <code>width * TJ.pixelSize(pixelFormat)</code>. 13392549de2c2b139070294aec12ec39b7c86a56b52DRC * 134fac3bea8dae8664110951427434d94bcd139d17bDRC * @param height height (in pixels) of the region in the source image from 135fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * which the JPEG or YUV image should be compressed/encoded 13692549de2c2b139070294aec12ec39b7c86a56b52DRC * 1372c74e5124d25112809bdc26cbc36aa764e8870c3DRC * @param pixelFormat pixel format of the source image (one of 138fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * {@link TJ#PF_RGB TJ.PF_*}) 13992549de2c2b139070294aec12ec39b7c86a56b52DRC */ 140fac3bea8dae8664110951427434d94bcd139d17bDRC public void setSourceImage(byte[] srcImage, int x, int y, int width, 14167bee8683db22050e346e0d002c5969da854d582DRC int pitch, int height, int pixelFormat) 14267bee8683db22050e346e0d002c5969da854d582DRC throws Exception { 14367bee8683db22050e346e0d002c5969da854d582DRC if (handle == 0) init(); 14467bee8683db22050e346e0d002c5969da854d582DRC if (srcImage == null || x < 0 || y < 0 || width < 1 || height < 1 || 14567bee8683db22050e346e0d002c5969da854d582DRC pitch < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF) 1462c74e5124d25112809bdc26cbc36aa764e8870c3DRC throw new Exception("Invalid argument in setSourceImage()"); 1472c74e5124d25112809bdc26cbc36aa764e8870c3DRC srcBuf = srcImage; 1482c74e5124d25112809bdc26cbc36aa764e8870c3DRC srcWidth = width; 14967bee8683db22050e346e0d002c5969da854d582DRC if (pitch == 0) 15067bee8683db22050e346e0d002c5969da854d582DRC srcPitch = width * TJ.getPixelSize(pixelFormat); 15167bee8683db22050e346e0d002c5969da854d582DRC else 15267bee8683db22050e346e0d002c5969da854d582DRC srcPitch = pitch; 1532c74e5124d25112809bdc26cbc36aa764e8870c3DRC srcHeight = height; 1542c74e5124d25112809bdc26cbc36aa764e8870c3DRC srcPixelFormat = pixelFormat; 155fac3bea8dae8664110951427434d94bcd139d17bDRC srcX = x; 156fac3bea8dae8664110951427434d94bcd139d17bDRC srcY = y; 157b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcBufInt = null; 158fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC srcYUVImage = null; 15936336fcddc4cc9f74988e3f03c4683c88c8fce45DRC } 16036336fcddc4cc9f74988e3f03c4683c88c8fce45DRC 16192549de2c2b139070294aec12ec39b7c86a56b52DRC /** 16265d4a46d3b01dd56a03565b62f223262698b1bedDRC * @deprecated Use 16365d4a46d3b01dd56a03565b62f223262698b1bedDRC * {@link #setSourceImage(byte[], int, int, int, int, int, int)} instead. 164fac3bea8dae8664110951427434d94bcd139d17bDRC */ 165fef9852da3a80bfaf84862462609f97d77ad6db7DRC @Deprecated 166fac3bea8dae8664110951427434d94bcd139d17bDRC public void setSourceImage(byte[] srcImage, int width, int pitch, 16767bee8683db22050e346e0d002c5969da854d582DRC int height, int pixelFormat) throws Exception { 168fac3bea8dae8664110951427434d94bcd139d17bDRC setSourceImage(srcImage, 0, 0, width, pitch, height, pixelFormat); 169fac3bea8dae8664110951427434d94bcd139d17bDRC srcX = srcY = -1; 170fac3bea8dae8664110951427434d94bcd139d17bDRC } 171fac3bea8dae8664110951427434d94bcd139d17bDRC 1721e67274bd7f77f6ace653db7b356ab3f24453c88DRC /** 173fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * Associate an uncompressed RGB or grayscale source image with this 174fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * compressor instance. 175b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 176b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param srcImage a <code>BufferedImage</code> instance containing RGB or 1777a8c53e4bd7a0dbe442f4643f7e92f5355f69a68DRC * grayscale pixels to be compressed or encoded. This image is not modified. 178b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 179b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param x x offset (in pixels) of the region in the source image from which 180fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * the JPEG or YUV image should be compressed/encoded 181b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 182b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param y y offset (in pixels) of the region in the source image from which 183fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * the JPEG or YUV image should be compressed/encoded 184b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 185b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param width width (in pixels) of the region in the source image from 186fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * which the JPEG or YUV image should be compressed/encoded (0 = use the 187fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * width of the source image) 188b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * 189b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @param height height (in pixels) of the region in the source image from 190fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * which the JPEG or YUV image should be compressed/encoded (0 = use the 191fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * height of the source image) 192b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC */ 193b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC public void setSourceImage(BufferedImage srcImage, int x, int y, int width, 194b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC int height) throws Exception { 195b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (handle == 0) init(); 196b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (srcImage == null || x < 0 || y < 0 || width < 0 || height < 0) 197b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC throw new Exception("Invalid argument in setSourceImage()"); 198b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcX = x; 199b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcY = y; 200b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcWidth = (width == 0) ? srcImage.getWidth(): width; 201b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcHeight = (height == 0) ? srcImage.getHeight() : height; 202b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (x + width > srcImage.getWidth() || y + height > srcImage.getHeight()) 203b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC throw new Exception("Compression region exceeds the bounds of the source image"); 204b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC 205b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC int pixelFormat; 206b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC boolean intPixels = false; 207b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (byteOrder == null) 208b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC byteOrder = ByteOrder.nativeOrder(); 209b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC switch(srcImage.getType()) { 210b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC case BufferedImage.TYPE_3BYTE_BGR: 211b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC pixelFormat = TJ.PF_BGR; break; 212b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC case BufferedImage.TYPE_4BYTE_ABGR: 213b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC case BufferedImage.TYPE_4BYTE_ABGR_PRE: 214b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC pixelFormat = TJ.PF_XBGR; break; 215b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC case BufferedImage.TYPE_BYTE_GRAY: 216b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC pixelFormat = TJ.PF_GRAY; break; 217b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC case BufferedImage.TYPE_INT_BGR: 218b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (byteOrder == ByteOrder.BIG_ENDIAN) 219b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC pixelFormat = TJ.PF_XBGR; 220b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC else 221b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC pixelFormat = TJ.PF_RGBX; 222b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC intPixels = true; break; 223b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC case BufferedImage.TYPE_INT_RGB: 224b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC case BufferedImage.TYPE_INT_ARGB: 225b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC case BufferedImage.TYPE_INT_ARGB_PRE: 226b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (byteOrder == ByteOrder.BIG_ENDIAN) 227b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC pixelFormat = TJ.PF_XRGB; 228b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC else 229b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC pixelFormat = TJ.PF_BGRX; 230b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC intPixels = true; break; 231b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC default: 232b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC throw new Exception("Unsupported BufferedImage format"); 233b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC } 234b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcPixelFormat = pixelFormat; 235b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC 236b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC WritableRaster wr = srcImage.getRaster(); 237b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (intPixels) { 238b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC SinglePixelPackedSampleModel sm = 239b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC (SinglePixelPackedSampleModel)srcImage.getSampleModel(); 240b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcStride = sm.getScanlineStride(); 241b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC DataBufferInt db = (DataBufferInt)wr.getDataBuffer(); 242b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcBufInt = db.getData(); 243b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcBuf = null; 244b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC } else { 245b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC ComponentSampleModel sm = 246b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC (ComponentSampleModel)srcImage.getSampleModel(); 247b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC int pixelSize = sm.getPixelStride(); 248b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (pixelSize != TJ.getPixelSize(pixelFormat)) 249b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC throw new Exception("Inconsistency between pixel format and pixel size in BufferedImage"); 250b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcPitch = sm.getScanlineStride(); 251b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC DataBufferByte db = (DataBufferByte)wr.getDataBuffer(); 252b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcBuf = db.getData(); 253b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcBufInt = null; 254b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC } 255fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC srcYUVImage = null; 256b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC } 257b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC 258b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC /** 2591e67274bd7f77f6ace653db7b356ab3f24453c88DRC * Associate an uncompressed YUV planar source image with this compressor 2601e67274bd7f77f6ace653db7b356ab3f24453c88DRC * instance. 2611e67274bd7f77f6ace653db7b356ab3f24453c88DRC * 2627a8c53e4bd7a0dbe442f4643f7e92f5355f69a68DRC * @param srcImage YUV planar image to be compressed. This image is not 2637a8c53e4bd7a0dbe442f4643f7e92f5355f69a68DRC * modified. 2641e67274bd7f77f6ace653db7b356ab3f24453c88DRC */ 265fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC public void setSourceImage(YUVImage srcImage) throws Exception { 2661e67274bd7f77f6ace653db7b356ab3f24453c88DRC if (handle == 0) init(); 267fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (srcImage == null) 268fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC throw new Exception("Invalid argument in setSourceImage()"); 269fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC srcYUVImage = srcImage; 270fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC srcBuf = null; 271fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC srcBufInt = null; 2721e67274bd7f77f6ace653db7b356ab3f24453c88DRC } 273fac3bea8dae8664110951427434d94bcd139d17bDRC 274fac3bea8dae8664110951427434d94bcd139d17bDRC /** 27592549de2c2b139070294aec12ec39b7c86a56b52DRC * Set the level of chrominance subsampling for subsequent compress/encode 276b2c4745aa3bb054b59e53001d3d2fb86ed37a060DRC * operations. When pixels are converted from RGB to YCbCr (see 277b2c4745aa3bb054b59e53001d3d2fb86ed37a060DRC * {@link TJ#CS_YCbCr}) or from CMYK to YCCK (see {@link TJ#CS_YCCK}) as part 278b2c4745aa3bb054b59e53001d3d2fb86ed37a060DRC * of the JPEG compression process, some of the Cb and Cr (chrominance) 279b2c4745aa3bb054b59e53001d3d2fb86ed37a060DRC * components can be discarded or averaged together to produce a smaller 280b2c4745aa3bb054b59e53001d3d2fb86ed37a060DRC * image with little perceptible loss of image clarity (the human eye is more 281b2c4745aa3bb054b59e53001d3d2fb86ed37a060DRC * sensitive to small changes in brightness than to small changes in color.) 282b2c4745aa3bb054b59e53001d3d2fb86ed37a060DRC * This is called "chrominance subsampling". 2831e67274bd7f77f6ace653db7b356ab3f24453c88DRC * <p> 284fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * NOTE: This method has no effect when compressing a JPEG image from a YUV 285fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * planar source. In that case, the level of chrominance subsampling in 286fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * the JPEG image is determined by the source. Further, this method has no 287fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * effect when encoding to a pre-allocated {@link YUVImage} instance. In 288fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * that case, the level of chrominance subsampling is determined by the 289fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * destination. 290fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * 291fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @param newSubsamp the level of chrominance subsampling to use in 292fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * subsequent compress/encode oeprations (one of 293fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * {@link TJ#SAMP_444 TJ.SAMP_*}) 29492549de2c2b139070294aec12ec39b7c86a56b52DRC */ 2954f1580cc0e7c33385e88bca7fe08602b87d29aebDRC public void setSubsamp(int newSubsamp) throws Exception { 29667bee8683db22050e346e0d002c5969da854d582DRC if (newSubsamp < 0 || newSubsamp >= TJ.NUMSAMP) 297f7f3ea404cc8618305efc059c34d881566206ed9DRC throw new Exception("Invalid argument in setSubsamp()"); 2984f1580cc0e7c33385e88bca7fe08602b87d29aebDRC subsamp = newSubsamp; 2994f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 3004f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 30192549de2c2b139070294aec12ec39b7c86a56b52DRC /** 30292549de2c2b139070294aec12ec39b7c86a56b52DRC * Set the JPEG image quality level for subsequent compress operations. 30392549de2c2b139070294aec12ec39b7c86a56b52DRC * 30492549de2c2b139070294aec12ec39b7c86a56b52DRC * @param quality the new JPEG image quality level (1 to 100, 1 = worst, 30592549de2c2b139070294aec12ec39b7c86a56b52DRC * 100 = best) 30692549de2c2b139070294aec12ec39b7c86a56b52DRC */ 3074f1580cc0e7c33385e88bca7fe08602b87d29aebDRC public void setJPEGQuality(int quality) throws Exception { 30867bee8683db22050e346e0d002c5969da854d582DRC if (quality < 1 || quality > 100) 309f7f3ea404cc8618305efc059c34d881566206ed9DRC throw new Exception("Invalid argument in setJPEGQuality()"); 3104f1580cc0e7c33385e88bca7fe08602b87d29aebDRC jpegQuality = quality; 3114f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 3124f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 31392549de2c2b139070294aec12ec39b7c86a56b52DRC /** 31492549de2c2b139070294aec12ec39b7c86a56b52DRC * Compress the uncompressed source image associated with this compressor 31592549de2c2b139070294aec12ec39b7c86a56b52DRC * instance and output a JPEG image to the given destination buffer. 31692549de2c2b139070294aec12ec39b7c86a56b52DRC * 31780803ae5fe6ca228d0783b1921e7e800c9a28964DRC * @param dstBuf buffer that will receive the JPEG image. Use 31892549de2c2b139070294aec12ec39b7c86a56b52DRC * {@link TJ#bufSize} to determine the maximum size for this buffer based on 319fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * the source image's width and height and the desired level of chrominance 320fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * subsampling. 32192549de2c2b139070294aec12ec39b7c86a56b52DRC * 322fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @param flags the bitwise OR of one or more of 323fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*} 32492549de2c2b139070294aec12ec39b7c86a56b52DRC */ 325f7f3ea404cc8618305efc059c34d881566206ed9DRC public void compress(byte[] dstBuf, int flags) throws Exception { 32667bee8683db22050e346e0d002c5969da854d582DRC if (dstBuf == null || flags < 0) 3274f1580cc0e7c33385e88bca7fe08602b87d29aebDRC throw new Exception("Invalid argument in compress()"); 328fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (srcBuf == null && srcBufInt == null && srcYUVImage == null) 32967bee8683db22050e346e0d002c5969da854d582DRC throw new Exception(NO_ASSOC_ERROR); 33067bee8683db22050e346e0d002c5969da854d582DRC if (jpegQuality < 0) 33167bee8683db22050e346e0d002c5969da854d582DRC throw new Exception("JPEG Quality not set"); 332fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (subsamp < 0 && srcYUVImage == null) 33367bee8683db22050e346e0d002c5969da854d582DRC throw new Exception("Subsampling level not set"); 334b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC 335fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (srcYUVImage != null) 33640dd3146cde2ba5036fe76a4f09e1125b4592347DRC compressedSize = compressFromYUV(srcYUVImage.getPlanes(), 33740dd3146cde2ba5036fe76a4f09e1125b4592347DRC srcYUVImage.getOffsets(), 338fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC srcYUVImage.getWidth(), 33940dd3146cde2ba5036fe76a4f09e1125b4592347DRC srcYUVImage.getStrides(), 340fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC srcYUVImage.getHeight(), 341fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC srcYUVImage.getSubsamp(), 342fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC dstBuf, jpegQuality, flags); 343b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC else if (srcBuf != null) { 3441e67274bd7f77f6ace653db7b356ab3f24453c88DRC if (srcX >= 0 && srcY >= 0) 3451e67274bd7f77f6ace653db7b356ab3f24453c88DRC compressedSize = compress(srcBuf, srcX, srcY, srcWidth, srcPitch, 3461e67274bd7f77f6ace653db7b356ab3f24453c88DRC srcHeight, srcPixelFormat, dstBuf, subsamp, 3471e67274bd7f77f6ace653db7b356ab3f24453c88DRC jpegQuality, flags); 3481e67274bd7f77f6ace653db7b356ab3f24453c88DRC else 3491e67274bd7f77f6ace653db7b356ab3f24453c88DRC compressedSize = compress(srcBuf, srcWidth, srcPitch, srcHeight, 3501e67274bd7f77f6ace653db7b356ab3f24453c88DRC srcPixelFormat, dstBuf, subsamp, jpegQuality, 3511e67274bd7f77f6ace653db7b356ab3f24453c88DRC flags); 352b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC } else if (srcBufInt != null) { 353b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (srcX >= 0 && srcY >= 0) 354b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC compressedSize = compress(srcBufInt, srcX, srcY, srcWidth, srcStride, 355b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcHeight, srcPixelFormat, dstBuf, subsamp, 356b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC jpegQuality, flags); 357b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC else 358b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC compressedSize = compress(srcBufInt, srcWidth, srcStride, srcHeight, 359b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC srcPixelFormat, dstBuf, subsamp, jpegQuality, 360b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC flags); 3611e67274bd7f77f6ace653db7b356ab3f24453c88DRC } 3624f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 3634f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 36492549de2c2b139070294aec12ec39b7c86a56b52DRC /** 36592549de2c2b139070294aec12ec39b7c86a56b52DRC * Compress the uncompressed source image associated with this compressor 36692549de2c2b139070294aec12ec39b7c86a56b52DRC * instance and return a buffer containing a JPEG image. 36792549de2c2b139070294aec12ec39b7c86a56b52DRC * 368fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @param flags the bitwise OR of one or more of 369fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*} 37092549de2c2b139070294aec12ec39b7c86a56b52DRC * 37192549de2c2b139070294aec12ec39b7c86a56b52DRC * @return a buffer containing a JPEG image. The length of this buffer will 37292549de2c2b139070294aec12ec39b7c86a56b52DRC * not be equal to the size of the JPEG image. Use {@link 37392549de2c2b139070294aec12ec39b7c86a56b52DRC * #getCompressedSize} to obtain the size of the JPEG image. 37492549de2c2b139070294aec12ec39b7c86a56b52DRC */ 375f7f3ea404cc8618305efc059c34d881566206ed9DRC public byte[] compress(int flags) throws Exception { 37667bee8683db22050e346e0d002c5969da854d582DRC if (srcWidth < 1 || srcHeight < 1) 3772c74e5124d25112809bdc26cbc36aa764e8870c3DRC throw new Exception(NO_ASSOC_ERROR); 3789b49f0e4c77c727648c6d3a4915eefdf5436de4aDRC byte[] buf = new byte[TJ.bufSize(srcWidth, srcHeight, subsamp)]; 3794f1580cc0e7c33385e88bca7fe08602b87d29aebDRC compress(buf, flags); 3804f1580cc0e7c33385e88bca7fe08602b87d29aebDRC return buf; 3814f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 3824f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 38392549de2c2b139070294aec12ec39b7c86a56b52DRC /** 384b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @deprecated Use 385b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #setSourceImage(BufferedImage, int, int, int, int)} and 386b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #compress(byte[], int)} instead. 38792549de2c2b139070294aec12ec39b7c86a56b52DRC */ 388b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC @Deprecated 389f7f3ea404cc8618305efc059c34d881566206ed9DRC public void compress(BufferedImage srcImage, byte[] dstBuf, int flags) 39067bee8683db22050e346e0d002c5969da854d582DRC throws Exception { 391b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC setSourceImage(srcImage, 0, 0, 0, 0); 392b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC compress(dstBuf, flags); 3934f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 3944f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 39592549de2c2b139070294aec12ec39b7c86a56b52DRC /** 396b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @deprecated Use 397b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #setSourceImage(BufferedImage, int, int, int, int)} and 398b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #compress(int)} instead. 39992549de2c2b139070294aec12ec39b7c86a56b52DRC */ 400b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC @Deprecated 401f7f3ea404cc8618305efc059c34d881566206ed9DRC public byte[] compress(BufferedImage srcImage, int flags) throws Exception { 402b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC setSourceImage(srcImage, 0, 0, 0, 0); 403b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC return compress(flags); 4044f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 4054f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 40692549de2c2b139070294aec12ec39b7c86a56b52DRC /** 40792549de2c2b139070294aec12ec39b7c86a56b52DRC * Encode the uncompressed source image associated with this compressor 408fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * instance into a YUV planar image and store it in the given 409fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * <code>YUVImage</code> instance. This method uses the accelerated color 410fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * conversion routines in TurboJPEG's underlying codec but does not execute 411fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * any of the other steps in the JPEG compression process. Encoding 412fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * CMYK source images to YUV is not supported. 41392549de2c2b139070294aec12ec39b7c86a56b52DRC * 414fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @param dstImage {@link YUVImage} instance that will receive the YUV planar 415fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * image 41692549de2c2b139070294aec12ec39b7c86a56b52DRC * 417fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @param flags the bitwise OR of one or more of 418fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*} 41992549de2c2b139070294aec12ec39b7c86a56b52DRC */ 420fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC public void encodeYUV(YUVImage dstImage, int flags) throws Exception { 421fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (dstImage == null || flags < 0) 422fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC throw new Exception("Invalid argument in encodeYUV()"); 423b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (srcBuf == null && srcBufInt == null) 42467bee8683db22050e346e0d002c5969da854d582DRC throw new Exception(NO_ASSOC_ERROR); 425fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (srcYUVImage != null) 426b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC throw new Exception("Source image is not correct type"); 42767bee8683db22050e346e0d002c5969da854d582DRC if (subsamp < 0) 42867bee8683db22050e346e0d002c5969da854d582DRC throw new Exception("Subsampling level not set"); 429fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (srcWidth != dstImage.getWidth() || srcHeight != dstImage.getHeight()) 430fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC throw new Exception("Destination image is the wrong size"); 431b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC 432b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC if (srcBufInt != null) { 433fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC encodeYUV(srcBufInt, srcX, srcY, srcWidth, srcStride, srcHeight, 43440dd3146cde2ba5036fe76a4f09e1125b4592347DRC srcPixelFormat, dstImage.getPlanes(), dstImage.getOffsets(), 43540dd3146cde2ba5036fe76a4f09e1125b4592347DRC dstImage.getStrides(), dstImage.getSubsamp(), flags); 436b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC } else { 437fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC encodeYUV(srcBuf, srcX, srcY, srcWidth, srcPitch, srcHeight, 43840dd3146cde2ba5036fe76a4f09e1125b4592347DRC srcPixelFormat, dstImage.getPlanes(), dstImage.getOffsets(), 43940dd3146cde2ba5036fe76a4f09e1125b4592347DRC dstImage.getStrides(), dstImage.getSubsamp(), flags); 440b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC } 44140dd3146cde2ba5036fe76a4f09e1125b4592347DRC compressedSize = 0; 442fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC } 443fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC 444fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC /** 445fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @deprecated Use {@link #encodeYUV(YUVImage, int)} instead. 446fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC */ 447fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC @Deprecated 448fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC public void encodeYUV(byte[] dstBuf, int flags) throws Exception { 449fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if(dstBuf == null) 450fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC throw new Exception("Invalid argument in encodeYUV()"); 451fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (srcWidth < 1 || srcHeight < 1) 452fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC throw new Exception(NO_ASSOC_ERROR); 453fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (subsamp < 0) 454fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC throw new Exception("Subsampling level not set"); 455fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC YUVImage yuvImage = new YUVImage(dstBuf, srcWidth, 4, srcHeight, subsamp); 456fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC encodeYUV(yuvImage, flags); 4574f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 4584f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 45992549de2c2b139070294aec12ec39b7c86a56b52DRC /** 46092549de2c2b139070294aec12ec39b7c86a56b52DRC * Encode the uncompressed source image associated with this compressor 46140dd3146cde2ba5036fe76a4f09e1125b4592347DRC * instance into a unified YUV planar image buffer and return a 46240dd3146cde2ba5036fe76a4f09e1125b4592347DRC * <code>YUVImage</code> instance containing the encoded image. This method 46340dd3146cde2ba5036fe76a4f09e1125b4592347DRC * uses the accelerated color conversion routines in TurboJPEG's underlying 46440dd3146cde2ba5036fe76a4f09e1125b4592347DRC * codec but does not execute any of the other steps in the JPEG compression 46540dd3146cde2ba5036fe76a4f09e1125b4592347DRC * process. Encoding CMYK source images to YUV is not supported. 466fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * 467fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @param pad the width of each line in each plane of the YUV image will be 468fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * padded to the nearest multiple of this number of bytes (must be a power of 469fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * 2.) 47092549de2c2b139070294aec12ec39b7c86a56b52DRC * 471fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @param flags the bitwise OR of one or more of 472fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*} 47392549de2c2b139070294aec12ec39b7c86a56b52DRC * 47440dd3146cde2ba5036fe76a4f09e1125b4592347DRC * @return a YUV planar image. 475fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC */ 476fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC public YUVImage encodeYUV(int pad, int flags) throws Exception { 477fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (srcWidth < 1 || srcHeight < 1) 478fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC throw new Exception(NO_ASSOC_ERROR); 479fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if (subsamp < 0) 480fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC throw new Exception("Subsampling level not set"); 481fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC if(pad < 1 || ((pad & (pad - 1)) != 0)) 482fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC throw new Exception("Invalid argument in encodeYUV()"); 483fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC YUVImage yuvImage = new YUVImage(srcWidth, pad, srcHeight, subsamp); 484fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC encodeYUV(yuvImage, flags); 485fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC return yuvImage; 486fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC } 487fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC 488fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC /** 48940dd3146cde2ba5036fe76a4f09e1125b4592347DRC * Encode the uncompressed source image associated with this compressor 49040dd3146cde2ba5036fe76a4f09e1125b4592347DRC * instance into separate Y, U (Cb), and V (Cr) image planes and return a 49140dd3146cde2ba5036fe76a4f09e1125b4592347DRC * <code>YUVImage</code> instance containing the encoded image planes. This 49240dd3146cde2ba5036fe76a4f09e1125b4592347DRC * method uses the accelerated color conversion routines in TurboJPEG's 49340dd3146cde2ba5036fe76a4f09e1125b4592347DRC * underlying codec but does not execute any of the other steps in the JPEG 49440dd3146cde2ba5036fe76a4f09e1125b4592347DRC * compression process. Encoding CMYK source images to YUV is not supported. 49540dd3146cde2ba5036fe76a4f09e1125b4592347DRC * 49640dd3146cde2ba5036fe76a4f09e1125b4592347DRC * @param strides an array of integers, each specifying the number of bytes 49740dd3146cde2ba5036fe76a4f09e1125b4592347DRC * per line in the corresponding plane of the output image. Setting the 49840dd3146cde2ba5036fe76a4f09e1125b4592347DRC * stride for any plane to 0 is the same as setting it to the component width 49940dd3146cde2ba5036fe76a4f09e1125b4592347DRC * of the plane. If <code>strides</code> is null, then the strides for all 50040dd3146cde2ba5036fe76a4f09e1125b4592347DRC * planes will be set to their respective component widths. You can adjust 50140dd3146cde2ba5036fe76a4f09e1125b4592347DRC * the strides in order to add an arbitrary amount of line padding to each 50240dd3146cde2ba5036fe76a4f09e1125b4592347DRC * plane. 50340dd3146cde2ba5036fe76a4f09e1125b4592347DRC * 50440dd3146cde2ba5036fe76a4f09e1125b4592347DRC * @param flags the bitwise OR of one or more of 50540dd3146cde2ba5036fe76a4f09e1125b4592347DRC * {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*} 50640dd3146cde2ba5036fe76a4f09e1125b4592347DRC * 50740dd3146cde2ba5036fe76a4f09e1125b4592347DRC * @return a YUV planar image. 50840dd3146cde2ba5036fe76a4f09e1125b4592347DRC */ 50940dd3146cde2ba5036fe76a4f09e1125b4592347DRC public YUVImage encodeYUV(int[] strides, int flags) throws Exception { 51040dd3146cde2ba5036fe76a4f09e1125b4592347DRC if (srcWidth < 1 || srcHeight < 1) 51140dd3146cde2ba5036fe76a4f09e1125b4592347DRC throw new Exception(NO_ASSOC_ERROR); 51240dd3146cde2ba5036fe76a4f09e1125b4592347DRC if (subsamp < 0) 51340dd3146cde2ba5036fe76a4f09e1125b4592347DRC throw new Exception("Subsampling level not set"); 51440dd3146cde2ba5036fe76a4f09e1125b4592347DRC YUVImage yuvImage = new YUVImage(srcWidth, strides, srcHeight, subsamp); 51540dd3146cde2ba5036fe76a4f09e1125b4592347DRC encodeYUV(yuvImage, flags); 51640dd3146cde2ba5036fe76a4f09e1125b4592347DRC return yuvImage; 51740dd3146cde2ba5036fe76a4f09e1125b4592347DRC } 51840dd3146cde2ba5036fe76a4f09e1125b4592347DRC 51940dd3146cde2ba5036fe76a4f09e1125b4592347DRC /** 520fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC * @deprecated Use {@link #encodeYUV(int, int)} instead. 52192549de2c2b139070294aec12ec39b7c86a56b52DRC */ 522fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC @Deprecated 523f7f3ea404cc8618305efc059c34d881566206ed9DRC public byte[] encodeYUV(int flags) throws Exception { 52467bee8683db22050e346e0d002c5969da854d582DRC if (srcWidth < 1 || srcHeight < 1) 5252c74e5124d25112809bdc26cbc36aa764e8870c3DRC throw new Exception(NO_ASSOC_ERROR); 52667bee8683db22050e346e0d002c5969da854d582DRC if (subsamp < 0) 52767bee8683db22050e346e0d002c5969da854d582DRC throw new Exception("Subsampling level not set"); 528fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC YUVImage yuvImage = new YUVImage(srcWidth, 4, srcHeight, subsamp); 529fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC encodeYUV(yuvImage, flags); 530fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC return yuvImage.getBuf(); 5314f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 5324f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 53392549de2c2b139070294aec12ec39b7c86a56b52DRC /** 534b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @deprecated Use 535b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #setSourceImage(BufferedImage, int, int, int, int)} and 536b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #encodeYUV(byte[], int)} instead. 53792549de2c2b139070294aec12ec39b7c86a56b52DRC */ 538b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC @Deprecated 539f7f3ea404cc8618305efc059c34d881566206ed9DRC public void encodeYUV(BufferedImage srcImage, byte[] dstBuf, int flags) 5404f1580cc0e7c33385e88bca7fe08602b87d29aebDRC throws Exception { 541b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC setSourceImage(srcImage, 0, 0, 0, 0); 542b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC encodeYUV(dstBuf, flags); 5434f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 5444f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 54592549de2c2b139070294aec12ec39b7c86a56b52DRC /** 546b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * @deprecated Use 547b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC * {@link #setSourceImage(BufferedImage, int, int, int, int)} and 54840dd3146cde2ba5036fe76a4f09e1125b4592347DRC * {@link #encodeYUV(int, int)} instead. 54992549de2c2b139070294aec12ec39b7c86a56b52DRC */ 550b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC @Deprecated 55167bee8683db22050e346e0d002c5969da854d582DRC public byte[] encodeYUV(BufferedImage srcImage, int flags) throws Exception { 552b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC setSourceImage(srcImage, 0, 0, 0, 0); 553b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC return encodeYUV(flags); 5544f1580cc0e7c33385e88bca7fe08602b87d29aebDRC } 5554f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 55692549de2c2b139070294aec12ec39b7c86a56b52DRC /** 55792549de2c2b139070294aec12ec39b7c86a56b52DRC * Returns the size of the image (in bytes) generated by the most recent 55840dd3146cde2ba5036fe76a4f09e1125b4592347DRC * compress operation. 55992549de2c2b139070294aec12ec39b7c86a56b52DRC * 56092549de2c2b139070294aec12ec39b7c86a56b52DRC * @return the size of the image (in bytes) generated by the most recent 56140dd3146cde2ba5036fe76a4f09e1125b4592347DRC * compress operation. 56292549de2c2b139070294aec12ec39b7c86a56b52DRC */ 5634f1580cc0e7c33385e88bca7fe08602b87d29aebDRC public int getCompressedSize() { 5644f1580cc0e7c33385e88bca7fe08602b87d29aebDRC return compressedSize; 56584a1bcca6fd0f21091a84f04b820b29012c60857DRC } 56684a1bcca6fd0f21091a84f04b820b29012c60857DRC 56792549de2c2b139070294aec12ec39b7c86a56b52DRC /** 56892549de2c2b139070294aec12ec39b7c86a56b52DRC * Free the native structures associated with this compressor instance. 56992549de2c2b139070294aec12ec39b7c86a56b52DRC */ 570c5a419970eb91c85844002901210484b29e25fb1DRC public void close() throws Exception { 5713ebcf7cf86e3f3275bed37ae613ca909274213b8DRC if (handle != 0) 5723ebcf7cf86e3f3275bed37ae613ca909274213b8DRC destroy(); 573c5a419970eb91c85844002901210484b29e25fb1DRC } 574c5a419970eb91c85844002901210484b29e25fb1DRC 575c5a419970eb91c85844002901210484b29e25fb1DRC protected void finalize() throws Throwable { 576c5a419970eb91c85844002901210484b29e25fb1DRC try { 577c5a419970eb91c85844002901210484b29e25fb1DRC close(); 57867bee8683db22050e346e0d002c5969da854d582DRC } catch(Exception e) { 57967bee8683db22050e346e0d002c5969da854d582DRC } finally { 580c5a419970eb91c85844002901210484b29e25fb1DRC super.finalize(); 581c5a419970eb91c85844002901210484b29e25fb1DRC } 582c5a419970eb91c85844002901210484b29e25fb1DRC }; 583c5a419970eb91c85844002901210484b29e25fb1DRC 584c5a419970eb91c85844002901210484b29e25fb1DRC private native void init() throws Exception; 585c5a419970eb91c85844002901210484b29e25fb1DRC 586c5a419970eb91c85844002901210484b29e25fb1DRC private native void destroy() throws Exception; 587c5a419970eb91c85844002901210484b29e25fb1DRC 588c5a419970eb91c85844002901210484b29e25fb1DRC // JPEG size in bytes is returned 589f7f3ea404cc8618305efc059c34d881566206ed9DRC private native int compress(byte[] srcBuf, int width, int pitch, 590fac3bea8dae8664110951427434d94bcd139d17bDRC int height, int pixelFormat, byte[] dstBuf, int jpegSubsamp, int jpegQual, 5911d29c5f97bf5538a771c681ffff91c6fa8709d5cDRC int flags) throws Exception; // deprecated 592c5a419970eb91c85844002901210484b29e25fb1DRC 593fac3bea8dae8664110951427434d94bcd139d17bDRC private native int compress(byte[] srcBuf, int x, int y, int width, 594fac3bea8dae8664110951427434d94bcd139d17bDRC int pitch, int height, int pixelFormat, byte[] dstBuf, int jpegSubsamp, 595fac3bea8dae8664110951427434d94bcd139d17bDRC int jpegQual, int flags) throws Exception; 596fac3bea8dae8664110951427434d94bcd139d17bDRC 597fac3bea8dae8664110951427434d94bcd139d17bDRC private native int compress(int[] srcBuf, int width, int stride, 598fac3bea8dae8664110951427434d94bcd139d17bDRC int height, int pixelFormat, byte[] dstBuf, int jpegSubsamp, int jpegQual, 5991d29c5f97bf5538a771c681ffff91c6fa8709d5cDRC int flags) throws Exception; // deprecated 6004f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 601fac3bea8dae8664110951427434d94bcd139d17bDRC private native int compress(int[] srcBuf, int x, int y, int width, 602fac3bea8dae8664110951427434d94bcd139d17bDRC int stride, int height, int pixelFormat, byte[] dstBuf, int jpegSubsamp, 603fac3bea8dae8664110951427434d94bcd139d17bDRC int jpegQual, int flags) throws Exception; 604fac3bea8dae8664110951427434d94bcd139d17bDRC 60540dd3146cde2ba5036fe76a4f09e1125b4592347DRC private native int compressFromYUV(byte[][] srcPlanes, int[] srcOffsets, 60640dd3146cde2ba5036fe76a4f09e1125b4592347DRC int width, int[] srcStrides, int height, int subsamp, byte[] dstBuf, 60740dd3146cde2ba5036fe76a4f09e1125b4592347DRC int jpegQual, int flags) 6081e67274bd7f77f6ace653db7b356ab3f24453c88DRC throws Exception; 6091e67274bd7f77f6ace653db7b356ab3f24453c88DRC 610f7f3ea404cc8618305efc059c34d881566206ed9DRC private native void encodeYUV(byte[] srcBuf, int width, int pitch, 611fac3bea8dae8664110951427434d94bcd139d17bDRC int height, int pixelFormat, byte[] dstBuf, int subsamp, int flags) 612fef9852da3a80bfaf84862462609f97d77ad6db7DRC throws Exception; // deprecated 613fef9852da3a80bfaf84862462609f97d77ad6db7DRC 614fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC private native void encodeYUV(byte[] srcBuf, int x, int y, int width, 61540dd3146cde2ba5036fe76a4f09e1125b4592347DRC int pitch, int height, int pixelFormat, byte[][] dstPlanes, 61640dd3146cde2ba5036fe76a4f09e1125b4592347DRC int[] dstOffsets, int[] dstStrides, int subsamp, int flags) 61740dd3146cde2ba5036fe76a4f09e1125b4592347DRC throws Exception; 6184f1580cc0e7c33385e88bca7fe08602b87d29aebDRC 6191d29c5f97bf5538a771c681ffff91c6fa8709d5cDRC private native void encodeYUV(int[] srcBuf, int width, int stride, 620fac3bea8dae8664110951427434d94bcd139d17bDRC int height, int pixelFormat, byte[] dstBuf, int subsamp, int flags) 621fef9852da3a80bfaf84862462609f97d77ad6db7DRC throws Exception; // deprecated 622fef9852da3a80bfaf84862462609f97d77ad6db7DRC 623fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC private native void encodeYUV(int[] srcBuf, int x, int y, int width, 62440dd3146cde2ba5036fe76a4f09e1125b4592347DRC int srcStride, int height, int pixelFormat, byte[][] dstPlanes, 62540dd3146cde2ba5036fe76a4f09e1125b4592347DRC int[] dstOffsets, int[] dstStrides, int subsamp, int flags) 62640dd3146cde2ba5036fe76a4f09e1125b4592347DRC throws Exception; 62784a1bcca6fd0f21091a84f04b820b29012c60857DRC 628c5a419970eb91c85844002901210484b29e25fb1DRC static { 629b2f9415a6365b8eb412a5b6159be3cc0f875325fDRC TJLoader.load(); 630c5a419970eb91c85844002901210484b29e25fb1DRC } 631c5a419970eb91c85844002901210484b29e25fb1DRC 632c5a419970eb91c85844002901210484b29e25fb1DRC private long handle = 0; 6332c74e5124d25112809bdc26cbc36aa764e8870c3DRC private byte[] srcBuf = null; 634b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC private int[] srcBufInt = null; 6352c74e5124d25112809bdc26cbc36aa764e8870c3DRC private int srcWidth = 0; 6362c74e5124d25112809bdc26cbc36aa764e8870c3DRC private int srcHeight = 0; 637fac3bea8dae8664110951427434d94bcd139d17bDRC private int srcX = -1; 638fac3bea8dae8664110951427434d94bcd139d17bDRC private int srcY = -1; 6392c74e5124d25112809bdc26cbc36aa764e8870c3DRC private int srcPitch = 0; 640b14813947ee5abacb40fc20455c8d7af1adfd3a7DRC private int srcStride = 0; 6412c74e5124d25112809bdc26cbc36aa764e8870c3DRC private int srcPixelFormat = -1; 642fc26b6577a2c422899e5cb9f483ee9d3ed37e185DRC private YUVImage srcYUVImage = null; 6434f1580cc0e7c33385e88bca7fe08602b87d29aebDRC private int subsamp = -1; 6444f1580cc0e7c33385e88bca7fe08602b87d29aebDRC private int jpegQuality = -1; 6454f1580cc0e7c33385e88bca7fe08602b87d29aebDRC private int compressedSize = 0; 646fef9852da3a80bfaf84862462609f97d77ad6db7DRC private int yuvPad = 4; 6471f014c32e66e00f4e6934f31beefae57ab51a477DRC private ByteOrder byteOrder = null; 648c5a419970eb91c85844002901210484b29e25fb1DRC}; 649