In opjviewer, unification of JPEG 2000 family handlers (*.jp2, *.mj2, *.j2k) in a single file

1 files changed, 0 insertions, 721 deletions

diff --git a/OPJViewer/source/imagj2k.cpp b/OPJViewer/source/imagj2k.cpp
deleted file mode 100644
index e1c732d4..00000000
--- a/OPJViewer/source/imagj2k.cpp
+++ /dev/null
@@ -1,721 +0,0 @@
-/*

- * Copyright (c) 2007, Digital Signal Processing Laboratory, Università degli studi di Perugia (UPG), Italy

- * 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.

- */

-/////////////////////////////////////////////////////////////////////////////

-// Name:        imagj2k.cpp

-// Purpose:     wxImage JPEG 2000 codestream handler

-// Author:      Giuseppe Baruffa - based on imagjpeg.cpp, Vaclav Slavik

-// RCS-ID:      $Id: imagj2k.cpp,v 0.00 2007/02/08 23:59:00 MW Exp $

-// Copyright:   (c) Giuseppe Baruffa

-// Licence:     wxWindows licence

-/////////////////////////////////////////////////////////////////////////////

-

-// For compilers that support precompilation, includes "wx.h".

-#include "wx/wxprec.h"

-

-#ifdef __BORLANDC__

-    #pragma hdrstop

-#endif

-

-#if wxUSE_IMAGE && wxUSE_LIBOPENJPEG

-

-#include "imagj2k.h"

-

-#ifndef WX_PRECOMP

-    #include "wx/log.h"

-    #include "wx/app.h"

-    #include "wx/intl.h"

-    #include "wx/bitmap.h"

-    #include "wx/module.h"

-#endif

-

-#include "wx/filefn.h"

-#include "wx/wfstream.h"

-

-// ----------------------------------------------------------------------------

-// types

-// ----------------------------------------------------------------------------

-

-

-//-----------------------------------------------------------------------------

-// wxJ2KHandler

-//-----------------------------------------------------------------------------

-

-IMPLEMENT_DYNAMIC_CLASS(wxJ2KHandler,wxImageHandler)

-

-#if wxUSE_STREAMS

-

-//------------- JPEG 2000 Data Source Manager

-

-#define J2K_CFMT 0

-#define JP2_CFMT 1

-#define JPT_CFMT 2

-#define MJ2_CFMT 3

-#define PXM_DFMT 0

-#define PGX_DFMT 1

-#define BMP_DFMT 2

-#define YUV_DFMT 3

-

-#define MAX_MESSAGE_LEN 200

-

-/* sample error callback expecting a FILE* client object */

-void j2k_error_callback(const char *msg, void *client_data) {

-	int message_len = strlen(msg) - 1;

-	if (msg[message_len] != '\n')

-		message_len = MAX_MESSAGE_LEN;

-#ifndef __WXGTK__ 

-    wxMutexGuiEnter();

-#endif /* __WXGTK__ */

-	wxLogMessage(wxT("[ERROR] %.*s"), message_len, msg);

-#ifndef __WXGTK__ 

-    wxMutexGuiLeave();

-#endif /* __WXGTK__ */

-}

-

-/* sample warning callback expecting a FILE* client object */

-void j2k_warning_callback(const char *msg, void *client_data) {

-	int message_len = strlen(msg) - 1;

-	if (msg[message_len] != '\n')

-		message_len = MAX_MESSAGE_LEN;

-#ifndef __WXGTK__ 

-    wxMutexGuiEnter();

-#endif /* __WXGTK__ */

-	wxLogMessage(wxT("[WARNING] %.*s"), message_len, msg);

-#ifndef __WXGTK__ 

-    wxMutexGuiLeave();

-#endif /* __WXGTK__ */

-}

-

-/* sample debug callback expecting no client object */

-void j2k_info_callback(const char *msg, void *client_data) {

-	int message_len = strlen(msg) - 1;

-	if (msg[message_len] != '\n')

-		message_len = MAX_MESSAGE_LEN;

-#ifndef __WXGTK__ 

-    wxMutexGuiEnter();

-#endif /* __WXGTK__ */

-	wxLogMessage(wxT("[INFO] %.*s"), message_len, msg);

-#ifndef __WXGTK__ 

-    wxMutexGuiLeave();

-#endif /* __WXGTK__ */

-}

-

-// load the j2k codestream

-bool wxJ2KHandler::LoadFile(wxImage *image, wxInputStream& stream, bool verbose, int index)

-{

-	opj_dparameters_t parameters;	/* decompression parameters */

-	opj_event_mgr_t event_mgr;		/* event manager */

-	opj_image_t *opjimage = NULL;

-	unsigned char *src = NULL;

-    unsigned char *ptr;

-	int file_length;

-	opj_codestream_info_t cstr_info;  /* Codestream information structure */

-

-	// destroy the image

-    image->Destroy();

-

-	/* handle to a decompressor */

-	opj_dinfo_t* dinfo = NULL;	

-	opj_cio_t *cio = NULL;

-

-

-	/* configure the event callbacks (not required) */

-	memset(&event_mgr, 0, sizeof(opj_event_mgr_t));

-	event_mgr.error_handler = j2k_error_callback;

-	event_mgr.warning_handler = j2k_warning_callback;

-	event_mgr.info_handler = j2k_info_callback;

-

-	/* set decoding parameters to default values */

-	opj_set_default_decoder_parameters(&parameters);

-

-	/* prepare parameters */

-	strncpy(parameters.infile, "", sizeof(parameters.infile)-1);

-	strncpy(parameters.outfile, "", sizeof(parameters.outfile)-1);

-	parameters.decod_format = J2K_CFMT;

-	parameters.cod_format = BMP_DFMT;

-	if (m_reducefactor)

-		parameters.cp_reduce = m_reducefactor;

-	if (m_qualitylayers)

-		parameters.cp_layer = m_qualitylayers;

-

-	/* JPWL only */

-#ifdef USE_JPWL

-	parameters.jpwl_exp_comps = m_expcomps;

-	parameters.jpwl_max_tiles = m_maxtiles;

-	parameters.jpwl_correct = m_enablejpwl;

-#endif /* USE_JPWL */

-

-	/* get a decoder handle */

-	dinfo = opj_create_decompress(CODEC_J2K);

-

-	/* find length of the stream */

-	stream.SeekI(0, wxFromEnd);

-	file_length = (int) stream.TellI();

-

-	/* get data */

-	stream.SeekI(0, wxFromStart);

-    src = (unsigned char *) malloc(file_length);

-	stream.Read(src, file_length);

-

-	/* catch events using our callbacks and give a local context */

-	opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);

-

-	/* setup the decoder decoding parameters using user parameters */

-	opj_setup_decoder(dinfo, &parameters);

-

-	/* open a byte stream */

-	cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);

-

-	/* decode the stream and fill the image structure */

-	opjimage = opj_decode_with_info(dinfo, cio, &cstr_info);

-	if (!opjimage) {

-#ifndef __WXGTK__ 

-		wxMutexGuiEnter();

-#endif /* __WXGTK__ */

-		wxLogError(wxT("J2K: failed to decode image!"));

-#ifndef __WXGTK__ 

-		wxMutexGuiLeave();

-#endif /* __WXGTK__ */

-		opj_destroy_decompress(dinfo);

-		opj_cio_close(cio);

-		opj_image_destroy(opjimage);

-		free(src);

-		return false;

-	}

-

-	/* close the byte stream */

-	opj_cio_close(cio);

-

-	/* common rendering method */

-#include "imagjpeg2000.cpp"

-

-#ifndef __WXGTK__ 

-    wxMutexGuiEnter();

-#endif /* __WXGTK__ */

-    wxLogMessage(wxT("J2K: image loaded."));

-#ifndef __WXGTK__ 

-    wxMutexGuiLeave();

-#endif /* __WXGTK__ */

-

-	/* close openjpeg structs */

-	opj_destroy_decompress(dinfo);

-	opj_image_destroy(opjimage);

-	free(src);

-

-	if (!image->Ok())

-		return false;

-	else

-		return true;

-

-}

-

-#define CINEMA_24_CS 1302083	/* Codestream length for 24fps */

-#define CINEMA_48_CS 651041		/* Codestream length for 48fps */

-#define COMP_24_CS 1041666		/* Maximum size per color component for 2K & 4K @ 24fps */

-#define COMP_48_CS 520833		/* Maximum size per color component for 2K @ 48fps */

-

-// save the j2k codestream

-bool wxJ2KHandler::SaveFile( wxImage *wimage, wxOutputStream& stream, bool verbose )

-{

-	opj_cparameters_t parameters;	/* compression parameters */

-	opj_event_mgr_t event_mgr;		/* event manager */

-	opj_image_t *oimage = NULL;

-	opj_image_cmptparm_t *cmptparm;	

-	opj_cio_t *cio = NULL;

-	opj_codestream_info_t cstr_info;

-	int codestream_length;

-	bool bSuccess;

-	int i;

-	char indexfilename[OPJ_PATH_LEN] = "";	/* index file name */

-

-	/*

-	configure the event callbacks (not required)

-	setting of each callback is optionnal

-	*/

-	memset(&event_mgr, 0, sizeof(opj_event_mgr_t));

-	event_mgr.error_handler = j2k_error_callback;

-	event_mgr.warning_handler = j2k_warning_callback;

-	event_mgr.info_handler = j2k_info_callback;

-

-	/* set encoding parameters to default values */

-	opj_set_default_encoder_parameters(&parameters);

-

-	/* load parameters */

-	parameters.cp_cinema = OFF;

-

-	/* subsampling */

-	if (sscanf(m_subsampling.ToAscii(), "%d,%d", &(parameters.subsampling_dx), &(parameters.subsampling_dy)) != 2) {

-		wxLogError(wxT("Wrong sub-sampling encoder setting: dx,dy"));

-		return false;

-	}

-

-	/* compression rates */

-	if ((m_rates != wxT("")) && (!m_enablequality)) {

-		const char *s1 = m_rates.ToAscii();

-		wxLogMessage(wxT("rates %s"), s1);

-		while (sscanf(s1, "%f", &(parameters.tcp_rates[parameters.tcp_numlayers])) == 1) {

-			parameters.tcp_numlayers++;

-			while (*s1 && *s1 != ',') {

-				s1++;

-			}

-			if (!*s1)

-				break;

-			s1++;

-		}

-		wxLogMessage(wxT("%d layers"), parameters.tcp_numlayers);

-		parameters.cp_disto_alloc = 1;

-	}

-

-	/* image quality, dB */

-	if ((m_quality != wxT("")) && (m_enablequality)) {

-		const char *s2 = m_quality.ToAscii();

-		wxLogMessage(wxT("qualities %s"), s2);

-		while (sscanf(s2, "%f", &parameters.tcp_distoratio[parameters.tcp_numlayers]) == 1) {

-			parameters.tcp_numlayers++;

-			while (*s2 && *s2 != ',') {

-				s2++;

-			}

-			if (!*s2)

-				break;

-			s2++;

-		}

-		wxLogMessage(wxT("%d layers"), parameters.tcp_numlayers);

-		parameters.cp_fixed_quality = 1;

-	}

-

-	/* image origin */

-	if (sscanf(m_origin.ToAscii(), "%d,%d", &parameters.image_offset_x0, &parameters.image_offset_y0) != 2) {

-		wxLogError(wxT("bad coordinate of the image origin: x0,y0"));

-		return false;

-	}

-				

-	/* Create comment for codestream */

-	if(m_enablecomm) {

-		parameters.cp_comment = (char *) malloc(strlen(m_comment.ToAscii()) + 1);

-		if(parameters.cp_comment) {

-			strcpy(parameters.cp_comment, m_comment.ToAscii());

-		}

-	} else {

-		parameters.cp_comment = NULL;

-	}

-

-	/* indexing file */

-	if (m_enableidx) {

-		strncpy(indexfilename, m_index.ToAscii(), OPJ_PATH_LEN);

-		wxLogMessage(wxT("index file is %s"), indexfilename);

-	}

-

-	/* if no rate entered, lossless by default */

-	if (parameters.tcp_numlayers == 0) {

-		parameters.tcp_rates[0] = 0;	/* MOD antonin : losslessbug */

-		parameters.tcp_numlayers++;

-		parameters.cp_disto_alloc = 1;

-	}

-

-	/* irreversible transform */

-	parameters.irreversible = (m_irreversible == true) ? 1 : 0;

-

-	/* resolutions */

-	parameters.numresolution = m_resolutions;

-

-	/* codeblocks size */

-	if (m_cbsize != wxT("")) {

-		int cblockw_init = 0, cblockh_init = 0;

-		sscanf(m_cbsize.ToAscii(), "%d,%d", &cblockw_init, &cblockh_init);

-		if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024 || cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) {

-			wxLogError(wxT("!! Size of code_block error !! Restrictions:\n  width*height<=4096\n  4<=width,height<= 1024"));

-			return false;

-		}

-		parameters.cblockw_init = cblockw_init;

-		parameters.cblockh_init = cblockh_init;

-	}

-

-	/* precincts size */

-	if (m_prsize != wxT("")) {

-		char sep;

-		int res_spec = 0;

-		char *s = (char *) m_prsize.c_str();

-		do {

-			sep = 0;

-			sscanf(s, "[%d,%d]%c", &parameters.prcw_init[res_spec], &parameters.prch_init[res_spec], &sep);

-			parameters.csty |= 0x01;

-			res_spec++;

-			s = strpbrk(s, "]") + 2;

-		} while (sep == ',');

-		parameters.res_spec = res_spec;

-	}

-

-	/* tiles */

-	if (m_tsize != wxT("")) {

-		sscanf(m_tsize.ToAscii(), "%d,%d", &parameters.cp_tdx, &parameters.cp_tdy);

-		parameters.tile_size_on = true;

-	}

-

-	/* tile origin */

-	if (sscanf(m_torigin.ToAscii(), "%d,%d", &parameters.cp_tx0, &parameters.cp_ty0) != 2) {

-		wxLogError(wxT("tile offset setting error: X0,Y0"));

-		return false;

-	}

-

-	/* use SOP */

-	if (m_enablesop)

-		parameters.csty |= 0x02;

-

-	/* use EPH */

-	if (m_enableeph)

-		parameters.csty |= 0x04;

-

-	/* multiple component transform */

-	if (m_multicomp)

-		parameters.tcp_mct = 1;

-	else

-		parameters.tcp_mct = 0;

-

-	/* mode switch */

-	parameters.mode = (m_enablebypass ? 1 : 0) + (m_enablereset ? 2 : 0)

-		+ (m_enablerestart ? 4 : 0) + (m_enablevsc ? 8 : 0)

-		+ (m_enableerterm ? 16 : 0) + (m_enablesegmark ? 32 : 0);

-

-	/* progression order */

-	switch (m_progression) {

-

-		/* LRCP */

-	case 0:

-		parameters.prog_order = LRCP;

-		break;

-

-		/* RLCP */

-	case 1:

-		parameters.prog_order = RLCP;

-		break;

-

-		/* RPCL */

-	case 2:

-		parameters.prog_order = RPCL;

-		break;

-

-		/* PCRL */

-	case 3:

-		parameters.prog_order = PCRL;

-		break;

-

-		/* CPRL */

-	case 4:

-		parameters.prog_order = CPRL;

-		break;

-

-		/* DCI2K24 */

-	case 5:

-		parameters.cp_cinema = CINEMA2K_24;

-		parameters.cp_rsiz = CINEMA2K;

-		break;

-

-		/* DCI2K48 */

-	case 6:

-		parameters.cp_cinema = CINEMA2K_48;

-		parameters.cp_rsiz = CINEMA2K;

-		break;

-

-		/* DCI4K */

-	case 7:

-		parameters.cp_cinema = CINEMA4K_24;

-		parameters.cp_rsiz = CINEMA4K;

-		break;

-

-	default:

-		break;

-	}

-

-	/* check cinema */

-	if (parameters.cp_cinema) {

-

-		/* set up */

-		parameters.tile_size_on = false;

-		parameters.cp_tdx=1;

-		parameters.cp_tdy=1;

-		

-		/*Tile part*/

-		parameters.tp_flag = 'C';

-		parameters.tp_on = 1;

-

-		/*Tile and Image shall be at (0,0)*/

-		parameters.cp_tx0 = 0;

-		parameters.cp_ty0 = 0;

-		parameters.image_offset_x0 = 0;

-		parameters.image_offset_y0 = 0;

-

-		/*Codeblock size= 32*32*/

-		parameters.cblockw_init = 32;	

-		parameters.cblockh_init = 32;

-		parameters.csty |= 0x01;

-

-		/*The progression order shall be CPRL*/

-		parameters.prog_order = CPRL;

-

-		/* No ROI */

-		parameters.roi_compno = -1;

-

-		parameters.subsampling_dx = 1;

-		parameters.subsampling_dy = 1;

-

-		/* 9-7 transform */

-		parameters.irreversible = 1;

-

-	}				

-

-	/* convert wx image into opj image */

-	cmptparm = (opj_image_cmptparm_t*) malloc(3 * sizeof(opj_image_cmptparm_t));

-

-	/* initialize opj image components */	

-	memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));

-	for(i = 0; i < 3; i++) {		

-		cmptparm[i].prec = 8;

-		cmptparm[i].bpp = 8;

-		cmptparm[i].sgnd = false;

-		cmptparm[i].dx = parameters.subsampling_dx;

-		cmptparm[i].dy = parameters.subsampling_dy;

-		cmptparm[i].w = wimage->GetWidth();

-		cmptparm[i].h = wimage->GetHeight();

-	}

-

-	/* create the image */

-	oimage = opj_image_create(3, &cmptparm[0], CLRSPC_SRGB);

-	if(!oimage) {

-		if (cmptparm)

-			free(cmptparm);

-		return false;

-	}

-

-	/* set image offset and reference grid */

-	oimage->x0 = parameters.image_offset_x0;

-	oimage->y0 = parameters.image_offset_y0;

-	oimage->x1 = parameters.image_offset_x0 + (wimage->GetWidth() - 1) * 1 + 1;

-	oimage->y1 = parameters.image_offset_y0 + (wimage->GetHeight() - 1) * 1 + 1;

-

-	/* load image data */

-	unsigned char *value = wimage->GetData(); 

-	int area = wimage->GetWidth() * wimage->GetHeight();

-	for (i = 0; i < area; i++) {

-			oimage->comps[0].data[i] = *(value++);

-			oimage->comps[1].data[i] = *(value++);

-			oimage->comps[2].data[i] = *(value++);

-	}

-

-	/* check cinema again */

-	if (parameters.cp_cinema) {

-		int i;

-		float temp_rate;

-		opj_poc_t *POC = NULL;

-

-		switch (parameters.cp_cinema) {

-

-		case CINEMA2K_24:

-		case CINEMA2K_48:

-			if (parameters.numresolution > 6) {

-				parameters.numresolution = 6;

-			}

-			if (!((oimage->comps[0].w == 2048) | (oimage->comps[0].h == 1080))) {

-				wxLogWarning(wxT("Image coordinates %d x %d is not 2K compliant. JPEG Digital Cinema Profile-3 "

-					"(2K profile) compliance requires that at least one of coordinates match 2048 x 1080"),

-					oimage->comps[0].w, oimage->comps[0].h);

-				parameters.cp_rsiz = STD_RSIZ;

-			}

-		break;

-		

-		case CINEMA4K_24:

-			if (parameters.numresolution < 1) {

-					parameters.numresolution = 1;

-			} else if (parameters.numresolution > 7) {

-					parameters.numresolution = 7;

-			}

-			if (!((oimage->comps[0].w == 4096) | (oimage->comps[0].h == 2160))) {

-				wxLogWarning(wxT("Image coordinates %d x %d is not 4K compliant. JPEG Digital Cinema Profile-4" 

-					"(4K profile) compliance requires that at least one of coordinates match 4096 x 2160"),

-					oimage->comps[0].w, oimage->comps[0].h);

-				parameters.cp_rsiz = STD_RSIZ;

-			}

-			parameters.POC[0].tile  = 1; 

-			parameters.POC[0].resno0  = 0; 

-			parameters.POC[0].compno0 = 0;

-			parameters.POC[0].layno1  = 1;

-			parameters.POC[0].resno1  = parameters.numresolution - 1;

-			parameters.POC[0].compno1 = 3;

-			parameters.POC[0].prg1 = CPRL;

-			parameters.POC[1].tile  = 1;

-			parameters.POC[1].resno0  = parameters.numresolution - 1; 

-			parameters.POC[1].compno0 = 0;

-			parameters.POC[1].layno1  = 1;

-			parameters.POC[1].resno1  = parameters.numresolution;

-			parameters.POC[1].compno1 = 3;

-			parameters.POC[1].prg1 = CPRL;

-			parameters.numpocs = 2;

-			break;

-		}

-

-		switch (parameters.cp_cinema) {

-		case CINEMA2K_24:

-		case CINEMA4K_24:

-			for (i = 0 ; i < parameters.tcp_numlayers; i++) {

-				temp_rate = 0;

-				if (parameters.tcp_rates[i] == 0) {

-					parameters.tcp_rates[0] = ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / 

-					(CINEMA_24_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy);

-				}else{

-					temp_rate = ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / 

-						(parameters.tcp_rates[i] * 8 * oimage->comps[0].dx * oimage->comps[0].dy);

-					if (temp_rate > CINEMA_24_CS ) {

-						parameters.tcp_rates[i]= ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / 

-						(CINEMA_24_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy);

-					} else {

-						/* do nothing */

-					}

-				}

-			}

-			parameters.max_comp_size = COMP_24_CS;

-			break;

-			

-		case CINEMA2K_48:

-			for (i = 0; i < parameters.tcp_numlayers; i++) {

-				temp_rate = 0 ;

-				if (parameters.tcp_rates[i] == 0) {

-					parameters.tcp_rates[0] = ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / 

-					(CINEMA_48_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy);

-				}else{

-					temp_rate =((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / 

-						(parameters.tcp_rates[i] * 8 * oimage->comps[0].dx * oimage->comps[0].dy);

-					if (temp_rate > CINEMA_48_CS ){

-						parameters.tcp_rates[0]= ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / 

-						(CINEMA_48_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy);

-					}else{

-						/* do nothing */

-					}

-				}

-			}

-			parameters.max_comp_size = COMP_48_CS;

-			break;

-		}

-

-		parameters.cp_disto_alloc = 1;

-	}

-	

-	/* get a J2K compressor handle */

-	opj_cinfo_t* cinfo = opj_create_compress(CODEC_J2K);

-

-	/* catch events using our callbacks and give a local context */

-	opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);

-

-	/* setup the encoder parameters using the current image and user parameters */

-	opj_setup_encoder(cinfo, &parameters, oimage);

-

-	/* open a byte stream for writing */

-	/* allocate memory for all tiles */

-	cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0);

-

-	/* encode the image */

-	bSuccess = opj_encode_with_info(cinfo, cio, oimage, &cstr_info);

-	if (!bSuccess) {

-

-		opj_cio_close(cio);

-		opj_destroy_compress(cinfo);

-		opj_image_destroy(oimage);

-		if (cmptparm)

-			free(cmptparm);

-		if(parameters.cp_comment)

-			free(parameters.cp_comment);

-		if(parameters.cp_matrice)

-			free(parameters.cp_matrice);

-

-#ifndef __WXGTK__ 

-    wxMutexGuiEnter();

-#endif /* __WXGTK__ */

-

-		wxLogError(wxT("failed to encode image"));

-

-#ifndef __WXGTK__ 

-    wxMutexGuiLeave();

-#endif /* __WXGTK__ */

-

-		return false;

-	}

-	codestream_length = cio_tell(cio);

-	wxLogMessage(wxT("Codestream: %d bytes"), codestream_length);

-

-	/* write the buffer to stream */

-	stream.Write(cio->buffer, codestream_length);

-

-	/* close and free the byte stream */

-	opj_cio_close(cio);

-

-	/* Write the index to disk */

-	if (*indexfilename) {

-		if (write_index_file(&cstr_info, indexfilename)) {

-			wxLogError(wxT("Failed to output index file"));

-		}

-	}

-

-	/* free remaining compression structures */

-	opj_destroy_compress(cinfo);

-

-	/* free image data */

-	opj_image_destroy(oimage);

-

-	if (cmptparm)

-		free(cmptparm);

-	if(parameters.cp_comment)

-		free(parameters.cp_comment);

-	if(parameters.cp_matrice)

-		free(parameters.cp_matrice);

-

-#ifndef __WXGTK__ 

-    wxMutexGuiEnter();

-#endif /* __WXGTK__ */

-

-    wxLogMessage(wxT("J2K: Image encoded!"));

-

-#ifndef __WXGTK__ 

-    wxMutexGuiLeave();

-#endif /* __WXGTK__ */

-

-    return true;

-}

-

-#ifdef __VISUALC__

-    #pragma warning(default:4611)

-#endif /* VC++ */

-

-// recognize the 0xFF4F JPEG 2000 SOC marker

-bool wxJ2KHandler::DoCanRead( wxInputStream& stream )

-{

-    unsigned char hdr[2];

-

-    if ( !stream.Read(hdr, WXSIZEOF(hdr)) )

-        return false;

-

-    return hdr[0] == 0xFF && hdr[1] == 0x4F;

-}

-

-#endif   // wxUSE_STREAMS

-

-#endif   // wxUSE_LIBOPENJPEG