From e21d8654402fc9e35e9fe18c68da63ce5a731140 Mon Sep 17 00:00:00 2001 From: Giuseppe Baruffa Date: Thu, 31 Jan 2008 14:36:06 +0000 Subject: In opjviewer, unification of JPEG 2000 family handlers (*.jp2, *.mj2, *.j2k) in a single file --- OPJViewer/source/imagjp2.cpp | 279 ------------------------------------------- 1 file changed, 279 deletions(-) delete mode 100644 OPJViewer/source/imagjp2.cpp (limited to 'OPJViewer/source/imagjp2.cpp') diff --git a/OPJViewer/source/imagjp2.cpp b/OPJViewer/source/imagjp2.cpp deleted file mode 100644 index 3c61905b..00000000 --- a/OPJViewer/source/imagjp2.cpp +++ /dev/null @@ -1,279 +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: imagjp2.cpp -// Purpose: wxImage JPEG 2000 file format handler -// Author: Giuseppe Baruffa - based on imagjpeg.cpp, Vaclav Slavik -// RCS-ID: $Id: imagjp2.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 "imagjp2.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 "libopenjpeg/openjpeg.h" - - -#include "wx/filefn.h" -#include "wx/wfstream.h" - -// ---------------------------------------------------------------------------- -// types -// ---------------------------------------------------------------------------- - - -//----------------------------------------------------------------------------- -// wxJP2Handler -//----------------------------------------------------------------------------- - -IMPLEMENT_DYNAMIC_CLASS(wxJP2Handler,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 jp2_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 jp2_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 jp2_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 jp2 file format -bool wxJP2Handler::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 = jp2_error_callback; - event_mgr.warning_handler = jp2_warning_callback; - event_mgr.info_handler = jp2_info_callback; - - /* set decoding parameters to default values */ - opj_set_default_decoder_parameters(¶meters); - - /* prepare parameters */ - strncpy(parameters.infile, "", sizeof(parameters.infile)-1); - strncpy(parameters.outfile, "", sizeof(parameters.outfile)-1); - parameters.decod_format = JP2_CFMT; - parameters.cod_format = BMP_DFMT; - if (m_reducefactor) - parameters.cp_reduce = m_reducefactor; - if (m_qualitylayers) - parameters.cp_layer = m_qualitylayers; - /*if (n_components) - parameters. = n_components;*/ - - /* 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_JP2); - - /* 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, ¶meters); - - /* 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("JP2: failed to decode image!")); -#ifndef __WXGTK__ - wxMutexGuiLeave(); -#endif /* __WXGTK__ */ - opj_destroy_decompress(dinfo); - opj_cio_close(cio); - 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("JP2: 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; - -} - -// save the jp2 file format -bool wxJP2Handler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbose ) -{ -#ifndef __WXGTK__ - wxMutexGuiEnter(); -#endif /* __WXGTK__ */ - wxLogError(wxT("JP2: Couldn't save image -> not implemented.")); -#ifndef __WXGTK__ - wxMutexGuiLeave(); -#endif /* __WXGTK__ */ - - return false; -} - -#ifdef __VISUALC__ - #pragma warning(default:4611) -#endif /* VC++ */ - -// recognize the JPEG 2000 starting box -bool wxJP2Handler::DoCanRead( wxInputStream& stream ) -{ - unsigned char hdr[23]; - - if ( !stream.Read(hdr, WXSIZEOF(hdr)) ) - return false; - - return (hdr[0] == 0x00 && - hdr[1] == 0x00 && - hdr[2] == 0x00 && - hdr[3] == 0x0C && - hdr[4] == 0x6A && - hdr[5] == 0x50 && - hdr[6] == 0x20 && - hdr[7] == 0x20 && - hdr[20] == 0x6A && - hdr[21] == 0x70 && - hdr[22] == 0x32); -} - -#endif // wxUSE_STREAMS - -#endif // wxUSE_LIBOPENJPEG -- cgit v1.2.3