From d518970039a19a2a9b6d2bdd592cc88a43897bbb Mon Sep 17 00:00:00 2001 From: Mathieu Malaterre Date: Fri, 28 Sep 2012 08:11:41 +0000 Subject: [trunk] Start FolderReorgProposal task Update issue 177 --- wrapping/java/openjp2/JavaOpenJPEGDecoder.c | 883 ++++++++++++++++++++++++++++ 1 file changed, 883 insertions(+) create mode 100644 wrapping/java/openjp2/JavaOpenJPEGDecoder.c (limited to 'wrapping/java/openjp2/JavaOpenJPEGDecoder.c') diff --git a/wrapping/java/openjp2/JavaOpenJPEGDecoder.c b/wrapping/java/openjp2/JavaOpenJPEGDecoder.c new file mode 100644 index 00000000..a273028c --- /dev/null +++ b/wrapping/java/openjp2/JavaOpenJPEGDecoder.c @@ -0,0 +1,883 @@ +/* + * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2007, Professor Benoit Macq + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2006-2007, Parvatha Elangovan + * Copyright (c) 2007, Patrick Piscaglia (Telemis) + * 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. + */ +#include +#include +#include +#include +#include + +#include "openjpeg.h" +#include "opj_getopt.h" +#include "convert.h" +#include "dirent.h" +#include "org_openJpeg_OpenJPEGJavaDecoder.h" + +#ifndef _WIN32 +#define stricmp strcasecmp +#define strnicmp strncasecmp +#endif + +#include "format_defs.h" + +typedef struct callback_variables { + JNIEnv *env; + /** 'jclass' object used to call a Java method from the C */ + jobject *jobj; + /** 'jclass' object used to call a Java method from the C */ + jmethodID message_mid; + jmethodID error_mid; +} callback_variables_t; + +typedef struct dircnt{ + /** Buffer for holding images read from Directory*/ + char *filename_buf; + /** Pointer to the buffer*/ + char **filename; +}dircnt_t; + + +typedef struct img_folder{ + /** The directory path of the folder containing input images*/ + char *imgdirpath; + /** Output format*/ + char *out_format; + /** Enable option*/ + char set_imgdir; + /** Enable Cod Format for output*/ + char set_out_format; + +}img_fol_t; + + +void decode_help_display() { + fprintf(stdout,"HELP\n----\n\n"); + fprintf(stdout,"- the -h option displays this help information on screen\n\n"); + +/* UniPG>> */ + fprintf(stdout,"List of parameters for the JPEG 2000 " +#ifdef USE_JPWL + "+ JPWL " +#endif /* USE_JPWL */ + "decoder:\n"); +/* < \n"); + fprintf(stdout," Currently accepts PGM, PPM, PNM, PGX, BMP format\n"); + fprintf(stdout," -i \n"); + fprintf(stdout," REQUIRED only if an Input image directory not specified\n"); + fprintf(stdout," Currently accepts J2K-files, JP2-files and JPT-files. The file type\n"); + fprintf(stdout," is identified based on its suffix.\n"); + fprintf(stdout," -o \n"); + fprintf(stdout," REQUIRED\n"); + fprintf(stdout," Currently accepts PGM-files, PPM-files, PNM-files, PGX-files and\n"); + fprintf(stdout," BMP-files. Binary data is written to the file (not ascii). If a PGX\n"); + fprintf(stdout," filename is given, there will be as many output files as there are\n"); + fprintf(stdout," components: an indice starting from 0 will then be appended to the\n"); + fprintf(stdout," output filename, just before the \"pgx\" extension. If a PGM filename\n"); + fprintf(stdout," is given and there are more than one component, only the first component\n"); + fprintf(stdout," will be written to the file.\n"); + fprintf(stdout," -r \n"); + fprintf(stdout," Set the number of highest resolution levels to be discarded. The\n"); + fprintf(stdout," image resolution is effectively divided by 2 to the power of the\n"); + fprintf(stdout," number of discarded levels. The reduce factor is limited by the\n"); + fprintf(stdout," smallest total number of decomposition levels among tiles.\n"); + fprintf(stdout," -l \n"); + fprintf(stdout," Set the maximum number of quality layers to decode. If there are\n"); + fprintf(stdout," less quality layers than the specified number, all the quality layers\n"); + fprintf(stdout," are decoded.\n"); +/* UniPG>> */ +#ifdef USE_JPWL + fprintf(stdout," -W \n"); + fprintf(stdout," Activates the JPWL correction capability, if the codestream complies.\n"); + fprintf(stdout," Options can be a comma separated list of tokens:\n"); + fprintf(stdout," c, c=numcomps\n"); + fprintf(stdout," numcomps is the number of expected components in the codestream\n"); + fprintf(stdout," (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS); +#endif /* USE_JPWL */ +/* <d_name)==0 || strcmp("..",content->d_name)==0 ) + continue; + num_images++; + } + return num_images; +} + +int load_images(dircnt_t *dirptr, char *imgdirpath){ + DIR *dir; + struct dirent* content; + int i = 0; + + /*Reading the input images from given input directory*/ + + dir= opendir(imgdirpath); + if(!dir){ + fprintf(stderr,"Could not open Folder %s\n",imgdirpath); + return 1; + }else { + fprintf(stderr,"Folder opened successfully\n"); + } + + while((content=readdir(dir))!=NULL){ + if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 ) + continue; + + strcpy(dirptr->filename[i],content->d_name); + i++; + } + return 0; +} + +int get_file_format(char *filename) { + unsigned int i; + static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "tga", "j2k", "jp2", "jpt", "j2c" }; + static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, TIF_DFMT, RAW_DFMT, TGA_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT, J2K_CFMT }; + char * ext = strrchr(filename, '.'); + if (ext == NULL) + return -1; + ext++; + if(ext) { + for(i = 0; i < sizeof(format)/sizeof(*format); i++) { + if(strnicmp(ext, extension[i], 3) == 0) { + return format[i]; + } + } + } + + return -1; +} + + +/* -------------------------------------------------------------------------- */ + +int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol) { + /* parse the command line */ + int totlen; + opj_option_t long_option[]={ + {"ImgDir",REQ_ARG, NULL ,'y'}, + {"OutFor",REQ_ARG, NULL ,'O'}, + }; + +/* UniPG>> */ + const char optlist[] = "i:o:r:l:hx:" + +#ifdef USE_JPWL + "W:" +#endif /* USE_JPWL */ + ; + /*for (i=0; iset_out_format = 0; + reset_options_reading(); + + while (1) { + int c = opj_getopt_long(argc, argv,optlist,long_option,totlen); + if (c == -1) + break; + switch (c) { + case 'i': /* input file */ + { + char *infile = opj_optarg; + parameters->decod_format = get_file_format(infile); + switch(parameters->decod_format) { + case J2K_CFMT: + case JP2_CFMT: + case JPT_CFMT: + break; + default: + fprintf(stderr, + "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n", + infile); + return 1; + } + strncpy(parameters->infile, infile, sizeof(parameters->infile)-1); + } + break; + + /* ----------------------------------------------------- */ + + case 'o': /* output file */ + { + char *outfile = opj_optarg; + parameters->cod_format = get_file_format(outfile); + switch(parameters->cod_format) { + case PGX_DFMT: + case PXM_DFMT: + case BMP_DFMT: + case TIF_DFMT: + case RAW_DFMT: + case TGA_DFMT: + break; + default: + fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outfile); + return 1; + } + strncpy(parameters->outfile, outfile, sizeof(parameters->outfile)-1); + } + break; + + /* ----------------------------------------------------- */ + + case 'O': /* output format */ + { + char outformat[50]; + char *of = opj_optarg; + sprintf(outformat,".%s",of); + img_fol->set_out_format = 1; + parameters->cod_format = get_file_format(outformat); + switch(parameters->cod_format) { + case PGX_DFMT: + img_fol->out_format = "pgx"; + break; + case PXM_DFMT: + img_fol->out_format = "ppm"; + break; + case BMP_DFMT: + img_fol->out_format = "bmp"; + break; + case TIF_DFMT: + img_fol->out_format = "tif"; + break; + case RAW_DFMT: + img_fol->out_format = "raw"; + break; + case TGA_DFMT: + img_fol->out_format = "raw"; + break; + default: + fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outformat); + return 1; + break; + } + } + break; + + /* ----------------------------------------------------- */ + + + case 'r': /* reduce option */ + { + sscanf(opj_optarg, "%d", ¶meters->cp_reduce); + } + break; + + /* ----------------------------------------------------- */ + + + case 'l': /* layering option */ + { + sscanf(opj_optarg, "%d", ¶meters->cp_layer); + } + break; + + /* ----------------------------------------------------- */ + + case 'h': /* display an help description */ + decode_help_display(); + return 1; + + /* ------------------------------------------------------ */ + + case 'y': /* Image Directory path */ + { + img_fol->imgdirpath = (char*)malloc(strlen(opj_optarg) + 1); + strcpy(img_fol->imgdirpath,opj_optarg); + img_fol->set_imgdir=1; + } + break; + /* ----------------------------------------------------- */ +/* UniPG>> */ +#ifdef USE_JPWL + + case 'W': /* activate JPWL correction */ + { + char *token = NULL; + + token = strtok(opj_optarg, ","); + while(token != NULL) { + + /* search expected number of components */ + if (*token == 'c') { + + static int compno; + + compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */ + + if(sscanf(token, "c=%d", &compno) == 1) { + /* Specified */ + if ((compno < 1) || (compno > 256)) { + fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno); + return 1; + } + parameters->jpwl_exp_comps = compno; + + } else if (!strcmp(token, "c")) { + /* default */ + parameters->jpwl_exp_comps = compno; /* auto for default size */ + + } else { + fprintf(stderr, "ERROR -> invalid components specified = %s\n", token); + return 1; + }; + } + + /* search maximum number of tiles */ + if (*token == 't') { + + static int tileno; + + tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */ + + if(sscanf(token, "t=%d", &tileno) == 1) { + /* Specified */ + if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) { + fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno); + return 1; + } + parameters->jpwl_max_tiles = tileno; + + } else if (!strcmp(token, "t")) { + /* default */ + parameters->jpwl_max_tiles = tileno; /* auto for default size */ + + } else { + fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token); + return 1; + }; + } + + /* next token or bust */ + token = strtok(NULL, ","); + }; + parameters->jpwl_correct = true; + fprintf(stdout, "JPWL correction capability activated\n"); + fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps); + } + break; +#endif /* USE_JPWL */ +/* < this option is not valid \"-%c %s\"\n",c, opj_optarg); + break; + } + } + + /* No check for possible errors before the -i and -o options are of course not mandatory*/ + + return 0; +} + +/* -------------------------------------------------------------------------- */ + +/** +error callback returning the message to Java andexpecting a callback_variables_t client object +*/ +void error_callback(const char *msg, void *client_data) { + callback_variables_t* vars = (callback_variables_t*) client_data; + JNIEnv *env = vars->env; + jstring jbuffer; + + jbuffer = (*env)->NewStringUTF(env, msg); + (*env)->ExceptionClear(env); + (*env)->CallVoidMethod(env, *(vars->jobj), vars->error_mid, jbuffer); + + if ((*env)->ExceptionOccurred(env)) { + fprintf(stderr,"C: Exception during call back method\n"); + (*env)->ExceptionDescribe(env); + (*env)->ExceptionClear(env); + } + (*env)->DeleteLocalRef(env, jbuffer); +} +/** +warning callback returning the message to Java andexpecting a callback_variables_t client object +*/ +void warning_callback(const char *msg, void *client_data) { + callback_variables_t* vars = (callback_variables_t*) client_data; + JNIEnv *env = vars->env; + jstring jbuffer; + + jbuffer = (*env)->NewStringUTF(env, msg); + (*env)->ExceptionClear(env); + (*env)->CallVoidMethod(env, *(vars->jobj), vars->message_mid, jbuffer); + + if ((*env)->ExceptionOccurred(env)) { + fprintf(stderr,"C: Exception during call back method\n"); + (*env)->ExceptionDescribe(env); + (*env)->ExceptionClear(env); + } + (*env)->DeleteLocalRef(env, jbuffer); +} +/** +information callback returning the message to Java andexpecting a callback_variables_t client object +*/ +void info_callback(const char *msg, void *client_data) { + callback_variables_t* vars = (callback_variables_t*) client_data; + JNIEnv *env = vars->env; + jstring jbuffer; + + jbuffer = (*env)->NewStringUTF(env, msg); + (*env)->ExceptionClear(env); + (*env)->CallVoidMethod(env, *(vars->jobj), vars->message_mid, jbuffer); + + if ((*env)->ExceptionOccurred(env)) { + fprintf(stderr,"C: Exception during call back method\n"); + (*env)->ExceptionDescribe(env); + (*env)->ExceptionClear(env); + } + (*env)->DeleteLocalRef(env, jbuffer); +} + + +/* -------------------------------------------------------------------------- + -------------------- MAIN METHOD, CALLED BY JAVA -----------------------*/ +JNIEXPORT jint JNICALL Java_org_openJpeg_OpenJPEGJavaDecoder_internalDecodeJ2KtoImage(JNIEnv *env, jobject obj, jobjectArray javaParameters) { + int argc; /* To simulate the command line parameters (taken from the javaParameters variable) and be able to re-use the */ + char **argv; /* 'parse_cmdline_decoder' method taken from the j2k_to_image project */ + opj_dparameters_t parameters; /* decompression parameters */ + img_fol_t img_fol; + opj_event_mgr_t event_mgr; /* event manager */ + opj_image_t *image = NULL; + FILE *fsrc = NULL; + unsigned char *src = NULL; + int file_length; + int num_images; + int i,j,imageno; + opj_dinfo_t* dinfo = NULL; /* handle to a decompressor */ + opj_cio_t *cio = NULL; + int w,h; + long min_value, max_value; + short tempS; unsigned char tempUC, tempUC1, tempUC2; + // ==> Access variables to the Java member variables + jsize arraySize; + jclass cls; + jobject object; + jboolean isCopy; + jfieldID fid; + jbyteArray jba; + jshortArray jsa; + jintArray jia; + jbyte *jbBody, *ptrBBody; + jshort *jsBody, *ptrSBody; + jint *jiBody, *ptrIBody; + callback_variables_t msgErrorCallback_vars; + // <=== access variable to Java member variables */ + int *ptr, *ptr1, *ptr2; // <== To transfer the decoded image to Java + + /* configure the event callbacks */ + memset(&event_mgr, 0, sizeof(opj_event_mgr_t)); + event_mgr.error_handler = error_callback; + event_mgr.warning_handler = warning_callback; + event_mgr.info_handler = info_callback; + + // JNI reference to the calling class + cls = (*env)->GetObjectClass(env, obj); + + // Pointers to be able to call a Java method for all the info and error messages + msgErrorCallback_vars.env = env; + msgErrorCallback_vars.jobj = &obj; + msgErrorCallback_vars.message_mid = (*env)->GetMethodID(env, cls, "logMessage", "(Ljava/lang/String;)V"); + msgErrorCallback_vars.error_mid = (*env)->GetMethodID(env, cls, "logError", "(Ljava/lang/String;)V"); + + // Get the String[] containing the parameters, and converts it into a char** to simulate command line arguments. + arraySize = (*env)->GetArrayLength(env, javaParameters); + argc = (int) arraySize +1; + argv = malloc(argc*sizeof(char*)); + argv[0] = "ProgramName.exe"; // The program name: useless + j=0; + for (i=1; iGetObjectArrayElement(env, javaParameters, i-1); + argv[i] = (*env)->GetStringUTFChars(env, object, &isCopy); + } + + /*printf("C: decoder params = "); + for (i=0; iReleaseStringUTFChars(env, (*env)->GetObjectArrayElement(env, javaParameters, i-1), argv[i]); + return -1; + } + // Release the Java arguments array + for (i=1; iReleaseStringUTFChars(env, (*env)->GetObjectArrayElement(env, javaParameters, i-1), argv[i]); + + num_images=1; + + // Get additional information from the Java object variables + fid = (*env)->GetFieldID(env, cls,"skippedResolutions", "I"); + parameters.cp_reduce = (short) (*env)->GetIntField(env, obj, fid); + + /*Decoding image one by one*/ + for(imageno = 0; imageno < num_images ; imageno++) + { + image = NULL; + fprintf(stderr,"\n"); + + /* read the input file and put it in memory into the 'src' object, if the -i option is given in JavaParameters. + Implemented for debug purpose. */ + /* -------------------------------------------------------------- */ + if (parameters.infile && parameters.infile[0]!='\0') { + //printf("C: opening [%s]\n", parameters.infile); + fsrc = fopen(parameters.infile, "rb"); + if (!fsrc) { + fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile); + return 1; + } + fseek(fsrc, 0, SEEK_END); + file_length = ftell(fsrc); + fseek(fsrc, 0, SEEK_SET); + src = (unsigned char *) malloc(file_length); + fread(src, 1, file_length, fsrc); + fclose(fsrc); + //printf("C: %d bytes read from file\n",file_length); + } else { + // Preparing the transfer of the codestream from Java to C + //printf("C: before transfering codestream\n"); + fid = (*env)->GetFieldID(env, cls,"compressedStream", "[B"); + jba = (*env)->GetObjectField(env, obj, fid); + file_length = (*env)->GetArrayLength(env, jba); + jbBody = (*env)->GetByteArrayElements(env, jba, &isCopy); + src = (unsigned char*)jbBody; + } + + /* decode the code-stream */ + /* ---------------------- */ + + switch(parameters.decod_format) { + case J2K_CFMT: + { + /* JPEG-2000 codestream */ + + /* get a decoder handle */ + dinfo = opj_create_decompress(CODEC_J2K); + + /* catch events using our callbacks and give a local context */ + opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, &msgErrorCallback_vars); + + /* setup the decoder decoding parameters using user parameters */ + opj_setup_decoder(dinfo, ¶meters); + + /* open a byte stream */ + cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length); + + /* decode the stream and fill the image structure */ + image = opj_decode(dinfo, cio); + if(!image) { + fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n"); + opj_destroy_decompress(dinfo); + opj_cio_close(cio); + return 1; + } + + /* close the byte stream */ + opj_cio_close(cio); + } + break; + + case JP2_CFMT: + { + /* JPEG 2000 compressed image data */ + + /* get a decoder handle */ + dinfo = opj_create_decompress(CODEC_JP2); + + /* catch events using our callbacks and give a local context */ + opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, &msgErrorCallback_vars); + + /* setup the decoder decoding parameters using the current image and user parameters */ + opj_setup_decoder(dinfo, ¶meters); + + /* open a byte stream */ + cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length); + + /* decode the stream and fill the image structure */ + image = opj_decode(dinfo, cio); + if(!image) { + fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n"); + opj_destroy_decompress(dinfo); + opj_cio_close(cio); + return 1; + } + + /* close the byte stream */ + opj_cio_close(cio); + + } + break; + + case JPT_CFMT: + { + /* JPEG 2000, JPIP */ + + /* get a decoder handle */ + dinfo = opj_create_decompress(CODEC_JPT); + + /* catch events using our callbacks and give a local context */ + opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, &msgErrorCallback_vars); + + /* setup the decoder decoding parameters using user parameters */ + opj_setup_decoder(dinfo, ¶meters); + + /* open a byte stream */ + cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length); + + /* decode the stream and fill the image structure */ + image = opj_decode(dinfo, cio); + if(!image) { + fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n"); + opj_destroy_decompress(dinfo); + opj_cio_close(cio); + return 1; + } + + /* close the byte stream */ + opj_cio_close(cio); + } + break; + + default: + fprintf(stderr, "skipping file..\n"); + continue; + } + + /* free the memory containing the code-stream */ + if (parameters.infile && parameters.infile[0]!='\0') { + free(src); + } else { + (*env)->ReleaseByteArrayElements(env, jba, jbBody, 0); + } + src = NULL; + + /* create output image. + If the -o parameter is given in the JavaParameters, write the decoded version into a file. + Implemented for debug purpose. */ + /* ---------------------------------- */ + switch (parameters.cod_format) { + case PXM_DFMT: /* PNM PGM PPM */ + if (imagetopnm(image, parameters.outfile)) { + fprintf(stdout,"Outfile %s not generated\n",parameters.outfile); + } + else { + fprintf(stdout,"Generated Outfile %s\n",parameters.outfile); + } + break; + + case PGX_DFMT: /* PGX */ + if(imagetopgx(image, parameters.outfile)){ + fprintf(stdout,"Outfile %s not generated\n",parameters.outfile); + } + else { + fprintf(stdout,"Generated Outfile %s\n",parameters.outfile); + } + break; + + case BMP_DFMT: /* BMP */ + if(imagetobmp(image, parameters.outfile)){ + fprintf(stdout,"Outfile %s not generated\n",parameters.outfile); + } + else { + fprintf(stdout,"Generated Outfile %s\n",parameters.outfile); + } + break; + + } + + // ========= Return the image to the Java structure =============== +#ifdef CHECK_THRESHOLDS + printf("C: checking thresholds\n"); +#endif + // First compute the real with and height, in function of the resolutions decoded. + //wr = (image->comps[0].w + (1 << image->comps[0].factor) -1) >> image->comps[0].factor; + //hr = (image->comps[0].h + (1 << image->comps[0].factor) -1) >> image->comps[0].factor; + w = image->comps[0].w; + h = image->comps[0].h; + + if (image->numcomps==3) { // 3 components color image + ptr = image->comps[0].data; + ptr1 = image->comps[1].data; + ptr2 = image->comps[2].data; +#ifdef CHECK_THRESHOLDS + if (image->comps[0].sgnd) { + min_value = -128; + max_value = 127; + } else { + min_value = 0; + max_value = 255; + } +#endif + // Get the pointer to the Java structure where the data must be copied + fid = (*env)->GetFieldID(env, cls,"image24", "[I"); + jia = (*env)->GetObjectField(env, obj, fid); + jiBody = (*env)->GetIntArrayElements(env, jia, 0); + ptrIBody = jiBody; + printf("C: transfering image24: %d int to Java pointer=%d\n",image->numcomps*w*h, ptrIBody); + + for (i=0; i max_value) + tempUC=max_value; + if (tempUC1 < min_value) + tempUC1=min_value; + else if (tempUC1 > max_value) + tempUC1=max_value; + if (tempUC2 < min_value) + tempUC2=min_value; + else if (tempUC2 > max_value) + tempUC2=max_value; +#endif + *(ptrIBody++) = (int) ( (tempUC2<<16) + (tempUC1<<8) + tempUC ); + } + (*env)->ReleaseIntArrayElements(env, jia, jiBody, 0); + + } else { // 1 component 8 or 16 bpp image + ptr = image->comps[0].data; + printf("C: before transfering a %d bpp image to java (length = %d)\n",image->comps[0].prec ,w*h); + if (image->comps[0].prec<=8) { + fid = (*env)->GetFieldID(env, cls,"image8", "[B"); + jba = (*env)->GetObjectField(env, obj, fid); + jbBody = (*env)->GetByteArrayElements(env, jba, 0); + ptrBBody = jbBody; +#ifdef CHECK_THRESHOLDS + if (image->comps[0].sgnd) { + min_value = -128; + max_value = 127; + } else { + min_value = 0; + max_value = 255; + } +#endif + //printf("C: transfering %d shorts to Java image8 pointer = %d\n", wr*hr,ptrSBody); + for (i=0; i max_value) + tempUC = max_value; +#endif + *(ptrBBody++) = tempUC; + } + (*env)->ReleaseByteArrayElements(env, jba, jbBody, 0); + printf("C: image8 transfered to Java\n"); + } else { + fid = (*env)->GetFieldID(env, cls,"image16", "[S"); + jsa = (*env)->GetObjectField(env, obj, fid); + jsBody = (*env)->GetShortArrayElements(env, jsa, 0); + ptrSBody = jsBody; +#ifdef CHECK_THRESHOLDS + if (image->comps[0].sgnd) { + min_value = -32768; + max_value = 32767; + } else { + min_value = 0; + max_value = 65535; + } + printf("C: minValue = %d, maxValue = %d\n", min_value, max_value); +#endif + printf("C: transfering %d shorts to Java image16 pointer = %d\n", w*h,ptrSBody); + for (i=0; i max_value) { + printf("C: value %d truncated to %d\n", tempS, max_value); + tempS = max_value; + } +#endif + *(ptrSBody++) = tempS; + } + (*env)->ReleaseShortArrayElements(env, jsa, jsBody, 0); + printf("C: image16 completely filled\n"); + } + } + + + /* free remaining structures */ + if(dinfo) { + opj_destroy_decompress(dinfo); + } + /* free image data structure */ + opj_image_destroy(image); + + } + return 1; /* OK */ +} +//end main + -- cgit v1.2.3