diff options
Diffstat (limited to 'wrapping/java/openjp2/java-sources/org/openJpeg/OpenJPEGJavaDecoder.java')
| -rw-r--r-- | wrapping/java/openjp2/java-sources/org/openJpeg/OpenJPEGJavaDecoder.java | 500 |
1 files changed, 250 insertions, 250 deletions
diff --git a/wrapping/java/openjp2/java-sources/org/openJpeg/OpenJPEGJavaDecoder.java b/wrapping/java/openjp2/java-sources/org/openJpeg/OpenJPEGJavaDecoder.java index 97008e3b..f1042000 100644 --- a/wrapping/java/openjp2/java-sources/org/openJpeg/OpenJPEGJavaDecoder.java +++ b/wrapping/java/openjp2/java-sources/org/openJpeg/OpenJPEGJavaDecoder.java @@ -1,250 +1,250 @@ -/*
- * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
- * Copyright (c) 2002-2014, Professor Benoit Macq
- * Copyright (c) 2002-2007, Patrick Piscaglia, Telemis s.a.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-package org.openJpeg;
-
-import java.util.Vector;
-
-/** This class decodes one J2K codestream into an image (width + height + depth + pixels[],
- * using the OpenJPEG.org library.
- * To be able to log messages, the called must register a IJavaJ2KDecoderLogger object.
- */
-public class OpenJPEGJavaDecoder {
-
- public interface IJavaJ2KDecoderLogger {
- public void logDecoderMessage(String message);
- public void logDecoderError(String message);
- }
-
- private static boolean isInitialized = false;
-
- // ===== decompression parameters =============>
- // These value may be changed for each image
- private String[] decoder_arguments = null;
- /** number of resolutions decompositions */
- private int nbResolutions = -1;
- /** the quality layers */
- private int[] layers = null;
-
- /** Contains the 8 bpp version of the image. May NOT be filled together with image16 or image24.<P>
- * We store in Java the 8 or 16 bpp version of the image while the decoder uses a 32 bpp version, because <UL>
- * <LI> the storage capacity required is smaller
- * <LI> the transfer Java <-- C will be faster
- * <LI> the conversion byte/short ==> int will be done faster by the C
- * </UL>*/
- private byte[] image8 = null;
- /** Contains the 16 bpp version of the image. May NOT be filled together with image8 or image24*/
- private short[] image16 = null;
- /** Contains the 24 bpp version of the image. May NOT be filled together with image8 or image16 */
- private int[] image24 = null;
- /** Holds the J2K compressed bytecode to decode */
- private byte compressedStream[] = null;
- /** Holds the compressed version of the index file, to be used by the decoder */
- private byte compressedIndex[] = null;
- /** Width and Height of the image */
- private int width = -1;
- private int height = -1;
- private int depth = -1;
- /** This parameter is never used in Java but is read by the C library to know the number of resolutions to skip when decoding,
- * i.e. if there are 5 resolutions and skipped=1 ==> decode until resolution 4. */
- private int skippedResolutions = 0;
-
- private Vector<IJavaJ2KDecoderLogger> loggers = new Vector();
-
-
- public OpenJPEGJavaDecoder(String openJPEGlibraryFullPathAndName, IJavaJ2KDecoderLogger messagesAndErrorsLogger) throws ExceptionInInitializerError
- {
- this(openJPEGlibraryFullPathAndName);
- loggers.addElement(messagesAndErrorsLogger);
- }
-
- public OpenJPEGJavaDecoder(String openJPEGlibraryFullPathAndName) throws ExceptionInInitializerError
- {
- if (!isInitialized) {
- try {
- System.load(openJPEGlibraryFullPathAndName);
- isInitialized = true;
- } catch (Throwable t) {
- throw new ExceptionInInitializerError("OpenJPEG Java Decoder: probably impossible to find the C library");
- }
- }
- }
-
- public void addLogger(IJavaJ2KDecoderLogger messagesAndErrorsLogger) {
- loggers.addElement(messagesAndErrorsLogger);
- }
-
- public void removeLogger(IJavaJ2KDecoderLogger messagesAndErrorsLogger) {
- loggers.removeElement(messagesAndErrorsLogger);
- }
-
- public int decodeJ2KtoImage() {
- if ((image16 == null || (image16 != null && image16.length != width*height)) && (depth==-1 || depth==16)) {
- image16 = new short[width*height];
- logMessage("OpenJPEGJavaDecoder.decompressImage: image16 length = " + image16.length + " (" + width + " x " + height + ") ");
- }
- if ((image8 == null || (image8 != null && image8.length != width*height)) && (depth==-1 || depth==8)) {
- image8 = new byte[width*height];
- logMessage("OpenJPEGJavaDecoder.decompressImage: image8 length = " + image8.length + " (" + width + " x " + height + ") ");
- }
- if ((image24 == null || (image24 != null && image24.length != width*height)) && (depth==-1 || depth==24)) {
- image24 = new int[width*height];
- logMessage("OpenJPEGJavaDecoder.decompressImage: image24 length = " + image24.length + " (" + width + " x " + height + ") ");
- }
-
- String[] arguments = new String[0 + (decoder_arguments != null ? decoder_arguments.length : 0)];
- int offset = 0;
- if (decoder_arguments != null) {
- for (int i=0; i<decoder_arguments.length; i++) {
- arguments[i+offset] = decoder_arguments[i];
- }
- }
-
- return internalDecodeJ2KtoImage(arguments);
- }
-
- /**
- * Decode the j2k stream given in the codestream byte[] and fills the image8, image16 or image24 array, according to the bit depth.
- */
- private native int internalDecodeJ2KtoImage(String[] parameters);
-
- /** Image depth in bpp */
- public int getDepth() {
- return depth;
- }
-
- /** Image depth in bpp */
- public void setDepth(int depth) {
- this.depth = depth;
- }
-
- /** Image height in pixels */
- public int getHeight() {
- return height;
- }
-
- /** Image height in pixels */
- public void setHeight(int height) {
- this.height = height;
- }
-
- /** Number of resolutions contained in the image */
- public int getNbResolutions() {
- return nbResolutions;
- }
-
- /** Number of resolutions contained in the image */
- public void setNbResolutions(int nbResolutions) {
- this.nbResolutions = nbResolutions;
- }
-
- /** Width of the image in pixels */
- public int getWidth() {
- return width;
- }
-
- /** Width of the image in pixels */
- public void setWidth(int width) {
- this.width = width;
- }
-
- /** Contains the decompressed version of the image, if the depth in is [9,16] bpp.
- * Returns NULL otherwise.
- */
- public short[] getImage16() {
- return image16;
- }
-
- /** Contains the decompressed version of the image, if the depth in is [17,24] bpp and the image is in color.
- * Returns NULL otherwise.
- */
- public int[] getImage24() {
- return image24;
- }
-
- /** Contains the decompressed version of the image, if the depth in is [1,8] bpp.
- * Returns NULL otherwise.
- */
- public byte[] getImage8() {
- return image8;
- }
-
- /** Sets the compressed version of the index file for this image.
- * This index file is used by the decompressor
- */
- public void setCompressedIndex(byte[] compressedIndex) {
- this.compressedIndex = compressedIndex;
- }
-
- /** Sets the codestream to be decoded */
- public void setCompressedStream(byte[] compressedStream) {
- this.compressedStream = compressedStream;
- }
-
- /** @return the compressed code stream length, or -1 if not defined */
- public long getCodestreamLength() {
- if (compressedStream == null)
- return -1;
- else return compressedStream.length;
- }
-
- /** This method is called either directly or by the C methods */
- public void logMessage(String message) {
- for (IJavaJ2KDecoderLogger logger:loggers)
- logger.logDecoderMessage(message);
- }
-
- /** This method is called either directly or by the C methods */
- public void logError(String error) {
- for (IJavaJ2KDecoderLogger logger:loggers)
- logger.logDecoderError(error);
- }
-
- public void reset() {
- nbResolutions = -1;
- layers = null;
- image8 = null;
- image16 = null;
- image24 = null;
- compressedStream = null;
- compressedIndex = null;
- width = -1;
- height = -1;
- depth = -1;
- }
-
- public void setSkippedResolutions(int numberOfSkippedResolutions) {
- skippedResolutions = numberOfSkippedResolutions;
- }
-
- /** Contains all the decoding arguments other than the input/output file */
- public void setDecoderArguments(String[] argumentsForTheDecoder) {
- decoder_arguments = argumentsForTheDecoder;
- }
-
-
-}
+/* + * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2014, Professor Benoit Macq + * Copyright (c) 2002-2007, Patrick Piscaglia, Telemis s.a. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +package org.openJpeg; + +import java.util.Vector; + +/** This class decodes one J2K codestream into an image (width + height + depth + pixels[], + * using the OpenJPEG.org library. + * To be able to log messages, the called must register a IJavaJ2KDecoderLogger object. + */ +public class OpenJPEGJavaDecoder { + + public interface IJavaJ2KDecoderLogger { + public void logDecoderMessage(String message); + public void logDecoderError(String message); + } + + private static boolean isInitialized = false; + + // ===== decompression parameters =============> + // These value may be changed for each image + private String[] decoder_arguments = null; + /** number of resolutions decompositions */ + private int nbResolutions = -1; + /** the quality layers */ + private int[] layers = null; + + /** Contains the 8 bpp version of the image. May NOT be filled together with image16 or image24.<P> + * We store in Java the 8 or 16 bpp version of the image while the decoder uses a 32 bpp version, because <UL> + * <LI> the storage capacity required is smaller + * <LI> the transfer Java <-- C will be faster + * <LI> the conversion byte/short ==> int will be done faster by the C + * </UL>*/ + private byte[] image8 = null; + /** Contains the 16 bpp version of the image. May NOT be filled together with image8 or image24*/ + private short[] image16 = null; + /** Contains the 24 bpp version of the image. May NOT be filled together with image8 or image16 */ + private int[] image24 = null; + /** Holds the J2K compressed bytecode to decode */ + private byte compressedStream[] = null; + /** Holds the compressed version of the index file, to be used by the decoder */ + private byte compressedIndex[] = null; + /** Width and Height of the image */ + private int width = -1; + private int height = -1; + private int depth = -1; + /** This parameter is never used in Java but is read by the C library to know the number of resolutions to skip when decoding, + * i.e. if there are 5 resolutions and skipped=1 ==> decode until resolution 4. */ + private int skippedResolutions = 0; + + private Vector<IJavaJ2KDecoderLogger> loggers = new Vector(); + + + public OpenJPEGJavaDecoder(String openJPEGlibraryFullPathAndName, IJavaJ2KDecoderLogger messagesAndErrorsLogger) throws ExceptionInInitializerError + { + this(openJPEGlibraryFullPathAndName); + loggers.addElement(messagesAndErrorsLogger); + } + + public OpenJPEGJavaDecoder(String openJPEGlibraryFullPathAndName) throws ExceptionInInitializerError + { + if (!isInitialized) { + try { + System.load(openJPEGlibraryFullPathAndName); + isInitialized = true; + } catch (Throwable t) { + throw new ExceptionInInitializerError("OpenJPEG Java Decoder: probably impossible to find the C library"); + } + } + } + + public void addLogger(IJavaJ2KDecoderLogger messagesAndErrorsLogger) { + loggers.addElement(messagesAndErrorsLogger); + } + + public void removeLogger(IJavaJ2KDecoderLogger messagesAndErrorsLogger) { + loggers.removeElement(messagesAndErrorsLogger); + } + + public int decodeJ2KtoImage() { + if ((image16 == null || (image16 != null && image16.length != width*height)) && (depth==-1 || depth==16)) { + image16 = new short[width*height]; + logMessage("OpenJPEGJavaDecoder.decompressImage: image16 length = " + image16.length + " (" + width + " x " + height + ") "); + } + if ((image8 == null || (image8 != null && image8.length != width*height)) && (depth==-1 || depth==8)) { + image8 = new byte[width*height]; + logMessage("OpenJPEGJavaDecoder.decompressImage: image8 length = " + image8.length + " (" + width + " x " + height + ") "); + } + if ((image24 == null || (image24 != null && image24.length != width*height)) && (depth==-1 || depth==24)) { + image24 = new int[width*height]; + logMessage("OpenJPEGJavaDecoder.decompressImage: image24 length = " + image24.length + " (" + width + " x " + height + ") "); + } + + String[] arguments = new String[0 + (decoder_arguments != null ? decoder_arguments.length : 0)]; + int offset = 0; + if (decoder_arguments != null) { + for (int i=0; i<decoder_arguments.length; i++) { + arguments[i+offset] = decoder_arguments[i]; + } + } + + return internalDecodeJ2KtoImage(arguments); + } + + /** + * Decode the j2k stream given in the codestream byte[] and fills the image8, image16 or image24 array, according to the bit depth. + */ + private native int internalDecodeJ2KtoImage(String[] parameters); + + /** Image depth in bpp */ + public int getDepth() { + return depth; + } + + /** Image depth in bpp */ + public void setDepth(int depth) { + this.depth = depth; + } + + /** Image height in pixels */ + public int getHeight() { + return height; + } + + /** Image height in pixels */ + public void setHeight(int height) { + this.height = height; + } + + /** Number of resolutions contained in the image */ + public int getNbResolutions() { + return nbResolutions; + } + + /** Number of resolutions contained in the image */ + public void setNbResolutions(int nbResolutions) { + this.nbResolutions = nbResolutions; + } + + /** Width of the image in pixels */ + public int getWidth() { + return width; + } + + /** Width of the image in pixels */ + public void setWidth(int width) { + this.width = width; + } + + /** Contains the decompressed version of the image, if the depth in is [9,16] bpp. + * Returns NULL otherwise. + */ + public short[] getImage16() { + return image16; + } + + /** Contains the decompressed version of the image, if the depth in is [17,24] bpp and the image is in color. + * Returns NULL otherwise. + */ + public int[] getImage24() { + return image24; + } + + /** Contains the decompressed version of the image, if the depth in is [1,8] bpp. + * Returns NULL otherwise. + */ + public byte[] getImage8() { + return image8; + } + + /** Sets the compressed version of the index file for this image. + * This index file is used by the decompressor + */ + public void setCompressedIndex(byte[] compressedIndex) { + this.compressedIndex = compressedIndex; + } + + /** Sets the codestream to be decoded */ + public void setCompressedStream(byte[] compressedStream) { + this.compressedStream = compressedStream; + } + + /** @return the compressed code stream length, or -1 if not defined */ + public long getCodestreamLength() { + if (compressedStream == null) + return -1; + else return compressedStream.length; + } + + /** This method is called either directly or by the C methods */ + public void logMessage(String message) { + for (IJavaJ2KDecoderLogger logger:loggers) + logger.logDecoderMessage(message); + } + + /** This method is called either directly or by the C methods */ + public void logError(String error) { + for (IJavaJ2KDecoderLogger logger:loggers) + logger.logDecoderError(error); + } + + public void reset() { + nbResolutions = -1; + layers = null; + image8 = null; + image16 = null; + image24 = null; + compressedStream = null; + compressedIndex = null; + width = -1; + height = -1; + depth = -1; + } + + public void setSkippedResolutions(int numberOfSkippedResolutions) { + skippedResolutions = numberOfSkippedResolutions; + } + + /** Contains all the decoding arguments other than the input/output file */ + public void setDecoderArguments(String[] argumentsForTheDecoder) { + decoder_arguments = argumentsForTheDecoder; + } + + +} |
