--- /dev/null
+/*
+ * Copyright (c) 2012, Mathieu Malaterre
+ * 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 <assert.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "opj_config.h"
+#include "openjpeg.h"
+
+#define J2K_CFMT 0
+
+void error_callback(const char *msg, void *v);
+void warning_callback(const char *msg, void *v);
+void info_callback(const char *msg, void *v);
+
+void error_callback(const char *msg, void *v) {
+(void)msg;
+(void)v;
+assert(0);
+}
+void warning_callback(const char *msg, void *v) {
+(void)msg;
+(void)v;
+puts(msg);
+}
+void info_callback(const char *msg, void *v) {
+(void)msg;
+(void)v;
+puts(msg);
+}
+
+int main(int argc, char *argv[])
+{
+ const char * v = opj_version();
+
+ const OPJ_COLOR_SPACE color_space = CLRSPC_GRAY;
+ int numcomps = 1;
+ int i;
+ int image_width = 256;
+ int image_height = 256;
+
+ opj_cparameters_t parameters;
+
+ int subsampling_dx = 0;
+ int subsampling_dy = 0;
+
+ opj_image_cmptparm_t cmptparm;
+ opj_image_t *image;
+ opj_event_mgr_t event_mgr;
+ opj_codec_t* l_codec = 00;
+ opj_cio_t *cio;
+ opj_bool bSuccess;
+ size_t codestream_length;
+ FILE *f;
+ opj_stream_t *l_stream = 00;
+ (void)argc;
+ (void)argv;
+
+ opj_set_default_encoder_parameters(¶meters);
+ parameters.cod_format = J2K_CFMT;
+ puts(v);
+ cmptparm.prec = 8;
+ cmptparm.bpp = 8;
+ cmptparm.sgnd = 0;
+ cmptparm.dx = subsampling_dx;
+ cmptparm.dy = subsampling_dy;
+ cmptparm.w = image_width;
+ cmptparm.h = image_height;
+
+ image = opj_image_create(numcomps, &cmptparm, color_space);
+ assert( image );
+
+ for (i = 0; i < image_width * image_height; i++)
+ {
+ int compno;
+ for(compno = 0; compno < numcomps; compno++)
+ {
+ image->comps[compno].data[i] = 0;
+ }
+ }
+
+ event_mgr.error_handler = error_callback;
+ event_mgr.warning_handler = warning_callback;
+ event_mgr.info_handler = info_callback;
+
+ l_codec = opj_create_compress(CODEC_J2K);
+ opj_set_info_handler(l_codec, info_callback,00);
+ opj_set_warning_handler(l_codec, warning_callback,00);
+ opj_set_error_handler(l_codec, error_callback,00);
+
+ opj_setup_encoder(l_codec, ¶meters, image);
+
+ strcpy(parameters.outfile, "testempty1.j2k");
+ f = fopen(parameters.outfile, "wb");
+ assert( f );
+
+ l_stream = opj_stream_create_default_file_stream(f,OPJ_FALSE);
+ assert(l_stream);
+ bSuccess = opj_start_compress(l_codec,image,l_stream);
+
+ assert( bSuccess );
+ bSuccess = opj_encode(l_codec, l_stream);
+ assert( bSuccess );
+ bSuccess = opj_end_compress(l_codec, l_stream);
+ assert( bSuccess );
+
+ opj_stream_destroy(l_stream);
+ fclose(f);
+
+ opj_destroy_codec(l_codec);
+ opj_image_destroy(image);
+
+ puts( "end" );
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2012, Mathieu Malaterre
+ * 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 <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "opj_config.h"
+#include "openjpeg.h"
+
+#define J2K_CFMT 0
+
+void error_callback(const char *msg, void *v);
+void warning_callback(const char *msg, void *v);
+void info_callback(const char *msg, void *v);
+
+void error_callback(const char *msg, void *v) {
+(void)msg;
+(void)v;
+assert(0);
+}
+void warning_callback(const char *msg, void *v) {
+(void)msg;
+(void)v;
+puts(msg);
+}
+void info_callback(const char *msg, void *v) {
+(void)msg;
+(void)v;
+puts(msg);
+}
+
+int main(int argc, char *argv[])
+{
+ const char * v = opj_version();
+
+ const OPJ_COLOR_SPACE color_space = CLRSPC_GRAY;
+ int numcomps = 1;
+ int i;
+ int image_width = 256;
+ int image_height = 256;
+
+ opj_cparameters_t parameters;
+
+ int subsampling_dx = parameters.subsampling_dx;
+ int subsampling_dy = parameters.subsampling_dy;
+ const char outputfile[] = "testempty2.j2k";
+
+ opj_image_cmptparm_t cmptparm;
+ opj_image_t *image;
+ opj_event_mgr_t event_mgr;
+ opj_codec_t* l_codec = 00;
+ opj_cio_t *cio;
+ opj_bool bSuccess;
+ size_t codestream_length;
+ FILE *f;
+ opj_stream_t *l_stream = 00;
+ (void)argc;
+ (void)argv;
+
+ opj_set_default_encoder_parameters(¶meters);
+ parameters.cod_format = J2K_CFMT;
+ puts(v);
+ cmptparm.prec = 8;
+ cmptparm.bpp = 8;
+ cmptparm.sgnd = 0;
+ cmptparm.dx = subsampling_dx;
+ cmptparm.dy = subsampling_dy;
+ cmptparm.w = image_width;
+ cmptparm.h = image_height;
+
+ image = opj_image_create(numcomps, &cmptparm, color_space);
+ assert( image );
+
+ for (i = 0; i < image_width * image_height; i++)
+ {
+ int compno;
+ for(compno = 0; compno < numcomps; compno++)
+ {
+ image->comps[compno].data[i] = 0;
+ }
+ }
+
+ event_mgr.error_handler = error_callback;
+ event_mgr.warning_handler = warning_callback;
+ event_mgr.info_handler = info_callback;
+
+ l_codec = opj_create_compress(CODEC_J2K);
+ opj_set_info_handler(l_codec, info_callback,00);
+ opj_set_warning_handler(l_codec, warning_callback,00);
+ opj_set_error_handler(l_codec, error_callback,00);
+
+ opj_setup_encoder(l_codec, ¶meters, image);
+
+ strcpy(parameters.outfile, outputfile);
+ f = fopen(parameters.outfile, "wb");
+ assert( f );
+
+ l_stream = opj_stream_create_default_file_stream(f,OPJ_FALSE);
+ assert(l_stream);
+ bSuccess = opj_start_compress(l_codec,image,l_stream);
+
+ assert( bSuccess );
+ bSuccess = opj_encode(l_codec, l_stream);
+ assert( bSuccess );
+ bSuccess = opj_end_compress(l_codec, l_stream);
+ assert( bSuccess );
+
+ opj_stream_destroy(l_stream);
+ fclose(f);
+
+ opj_destroy_codec(l_codec);
+ opj_image_destroy(image);
+
+
+ /* read back the generated file */
+{
+ size_t file_length;
+ FILE *fsrc = fopen(outputfile, "rb");
+ unsigned char *src;
+ opj_codec_t* d_codec = 00;
+ opj_dparameters_t dparameters;
+ assert( fsrc );
+
+ d_codec = opj_create_decompress(CODEC_J2K);
+ opj_set_info_handler(d_codec, info_callback,00);
+ opj_set_warning_handler(d_codec, warning_callback,00);
+ opj_set_error_handler(d_codec, error_callback,00);
+
+ bSuccess = opj_setup_decoder(d_codec, &dparameters);
+ assert( bSuccess );
+
+ l_stream = opj_stream_create_default_file_stream(fsrc,1);
+ assert( l_stream );
+
+ bSuccess = opj_read_header(l_stream, d_codec, &image);
+ assert( bSuccess );
+
+ bSuccess = opj_decode(l_codec, l_stream, image);
+ assert( bSuccess );
+
+ bSuccess = opj_end_decompress(l_codec, l_stream);
+ assert( bSuccess );
+
+ opj_stream_destroy(l_stream);
+ fclose(fsrc);
+ opj_destroy_codec(d_codec);
+
+ opj_image_destroy(image);
+}
+
+ puts( "end" );
+ return 0;
+}