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