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Added the OPJViewer Module (/OPJViewer), developed by Giuseppe Baruffa of the University of Perugia

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Francois-Olivier Devaux 2007-02-22 17:05:58 +00:00
parent 7cb2194c8e
commit e841b13166
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ChangeLog
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@ -5,6 +5,9 @@ What's New for OpenJPEG
! : changed
+ : added
February 22, 2007
+ [FOD] Added the OPJViewer Module (/OPJViewer), developed by Giuseppe Baruffa of the university of Perugia
February 21, 2007
+ [FOD] Algorithmic optimizations in t1.c, thanks to Guido J. !

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OPJViewer/OPJViewer.dsp Normal file
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# Microsoft Developer Studio Project File - Name="OPJViewer" - Package Owner=<4>
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CFG=OPJVIEWER - WIN32 RELEASE
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!MESSAGE NMAKE /f "OPJViewer.mak".
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44
OPJViewer/OPJViewer.dsw Normal file
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Microsoft Developer Studio Workspace File, Format Version 6.00
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34
OPJViewer/OPJViewer.iss Normal file
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@ -0,0 +1,34 @@
; Script generated by the Inno Setup Script Wizard.
; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
[Setup]
AppName=OPJViewer
AppVerName=OPJViewer 0.1 alpha
AppPublisher=OpenJPEG
AppPublisherURL=http://www.openjpeg.org
AppSupportURL=http://www.openjpeg.org
AppUpdatesURL=http://www.openjpeg.org
DefaultDirName={pf}\OPJViewer
DefaultGroupName=OPJViewer
OutputDir=setup
OutputBaseFilename=OPJViewer01alpha_setup
Compression=lzma
SolidCompression=yes
[Languages]
Name: english; MessagesFile: compiler:Default.isl
[Tasks]
Name: desktopicon; Description: {cm:CreateDesktopIcon}; GroupDescription: {cm:AdditionalIcons}; Flags: unchecked
[Files]
Source: W32Release\OPJViewer.exe; DestDir: {app}; Flags: ignoreversion
; NOTE: Don't use "Flags: ignoreversion" on any shared system files
[Icons]
Name: {group}\OPJViewer; Filename: {app}\OPJViewer.exe
Name: {group}\{cm:UninstallProgram,OPJViewer}; Filename: {uninstallexe}
Name: {userdesktop}\OPJViewer; Filename: {app}\OPJViewer.exe; Tasks: desktopicon
[Run]
Filename: {app}\OPJViewer.exe; Description: {cm:LaunchProgram,OPJViewer}; Flags: nowait postinstall skipifsilent

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OPJViewer/source/OPJViewer.cpp Normal file
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OPJViewer/source/OPJViewer.h Normal file
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/*
* 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: sashtest.h
// Purpose: Layout window/sash sample
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id: sashtest.h,v 1.5 2005/06/02 12:04:24 JS Exp $
// Copyright: (c) Julian Smart
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Name: treectrl.h
// Purpose: wxTreeCtrl sample
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id: treetest.h,v 1.50 2006/11/04 11:26:51 VZ Exp $
// Copyright: (c) Julian Smart
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef __OPJ_VIEWER_H__
#define __OPJ_VIEWER_H__
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#include "wx/mdi.h"
#endif
#include "wx/toolbar.h"
#include "wx/laywin.h"
#include "wx/treectrl.h"
#include "icon1.xpm"
#include "icon2.xpm"
#include "icon3.xpm"
#include "icon4.xpm"
#include "icon5.xpm"
#include "wx/filedlg.h"
#include "wx/toolbar.h"
#include <wx/filename.h>
#include <wx/busyinfo.h>
#include <wx/cmdline.h>
#include <wx/file.h>
#include "wx/notebook.h"
#include "libopenjpeg\openjpeg.h"
#include "imagj2k.h"
#include "imagjp2.h"
#include "imagmj2.h"
#define USE_GENERIC_TREECTRL 0
#if USE_GENERIC_TREECTRL
#include "wx/generic/treectlg.h"
#ifndef wxTreeCtrl
#define wxTreeCtrl wxGenericTreeCtrl
#define sm_classwxTreeCtrl sm_classwxGenericTreeCtrl
#endif
#endif
#define OPJ_APPLICATION_NAME wxT("OpenJPEG Viewer")
#define OPJ_APPLICATION_VERSION wxT("0.1 alpha")
#define OPJ_APPLICATION_TITLEBAR OPJ_APPLICATION_NAME wxT(" ") OPJ_APPLICATION_VERSION
#define OPJ_APPLICATION_COPYRIGHT wxT("(C) 2007, Giuseppe Baruffa")
#define OPJ_CANVAS_BORDER 10
#define OPJ_CANVAS_COLOUR *wxWHITE
class OPJDecoThread;
class OPJParseThread;
WX_DEFINE_ARRAY_PTR(wxThread *, wxArrayThread);
class OPJChildFrame;
//////////////////////////////////
// this is our main application //
//////////////////////////////////
class OPJViewerApp: public wxApp
{
// public methods and variables
public:
// class constructor
OPJViewerApp() { m_showImages = true; m_showButtons = false; }
// other methods
bool OnInit(void);
void SetShowImages(bool show) { m_showImages = show; }
bool ShowImages() const { return m_showImages; }
void ShowCmdLine(const wxCmdLineParser& parser);
// all the threads currently alive - as soon as the thread terminates, it's
// removed from the array
wxArrayThread m_deco_threads, m_parse_threads;
// crit section protects access to all of the arrays below
wxCriticalSection m_deco_critsect, m_parse_critsect;
// semaphore used to wait for the threads to exit, see OPJFrame::OnQuit()
wxSemaphore m_deco_semAllDone, m_parse_semAllDone;
// the last exiting thread should post to m_semAllDone if this is true
// (protected by the same m_critsect)
bool m_deco_waitingUntilAllDone, m_parse_waitingUntilAllDone;
// the list of all filenames written in the command line
wxArrayString m_filelist;
// private methods and variables
private:
bool m_showImages, m_showButtons;
};
DECLARE_APP(OPJViewerApp)
///////////////////////////////////////////
// this canvas is used to draw the image //
///////////////////////////////////////////
class OPJCanvas: public wxScrolledWindow
{
// public methods and variables
public:
// class constructor
OPJCanvas(wxFileName fname, wxWindow *parent, const wxPoint& pos, const wxSize& size);
virtual void OnDraw(wxDC& dc);
void OnEvent(wxMouseEvent& event);
void WriteText(const wxString& text) { wxMutexGuiEnter(); wxLogMessage(text); wxMutexGuiLeave();}
OPJDecoThread *CreateDecoThread(void);
wxBitmap m_image;
wxFileName m_fname;
DECLARE_EVENT_TABLE()
};
///////////////////////////////////////////////////
// the data associated to each tree leaf or node //
///////////////////////////////////////////////////
class OPJMarkerData : public wxTreeItemData
{
// public methods and variables
public:
// class constructor
OPJMarkerData(const wxString& desc, const wxString& fname = wxT(""), wxFileOffset start = 0, wxFileOffset length = 0) : m_desc(desc), m_filestring(fname) { m_start = start; m_length = length; }
void ShowInfo(wxTreeCtrl *tree);
const wxChar *GetDesc1() const { return m_desc.c_str(); }
const wxChar *GetDesc2() const { return m_filestring.c_str(); }
wxFileOffset m_start, m_length;
// private methods and variables
private:
wxString m_desc;
wxString m_filestring;
};
class OPJMarkerTree : public wxTreeCtrl
{
public:
enum
{
TreeCtrlIcon_File,
TreeCtrlIcon_FileSelected,
TreeCtrlIcon_Folder,
TreeCtrlIcon_FolderSelected,
TreeCtrlIcon_FolderOpened
};
OPJMarkerTree() { };
OPJMarkerTree(wxWindow *parent, wxFileName fname, wxString name, const wxWindowID id,
const wxPoint& pos, const wxSize& size,
long style);
virtual ~OPJMarkerTree(){};
OPJParseThread *CreateParseThread(wxTreeItemId parentid = 0x00);
void WriteText(const wxString& text) { wxMutexGuiEnter(); wxLogMessage(text); wxMutexGuiLeave(); }
wxFileName m_fname;
wxTextCtrl *m_peektextCtrl;
/*void OnBeginDrag(wxTreeEvent& event);
void OnBeginRDrag(wxTreeEvent& event);
void OnEndDrag(wxTreeEvent& event);*/
/*void OnBeginLabelEdit(wxTreeEvent& event);
void OnEndLabelEdit(wxTreeEvent& event);*/
/*void OnDeleteItem(wxTreeEvent& event);*/
/*void OnContextMenu(wxContextMenuEvent& event);*/
/*void OnItemMenu(wxTreeEvent& event);*/
/*void OnGetInfo(wxTreeEvent& event);
void OnSetInfo(wxTreeEvent& event);*/
/*void OnItemExpanded(wxTreeEvent& event);*/
void OnItemExpanding(wxTreeEvent& event);
/*void OnItemCollapsed(wxTreeEvent& event);
void OnItemCollapsing(wxTreeEvent& event);*/
void OnSelChanged(wxTreeEvent& event);
/*void OnSelChanging(wxTreeEvent& event);*/
/*void OnTreeKeyDown(wxTreeEvent& event);*/
/*void OnItemActivated(wxTreeEvent& event);*/
/*void OnItemRClick(wxTreeEvent& event);*/
/*void OnRMouseDown(wxMouseEvent& event);
void OnRMouseUp(wxMouseEvent& event);
void OnRMouseDClick(wxMouseEvent& event);*/
/*void GetItemsRecursively(const wxTreeItemId& idParent,
wxTreeItemIdValue cookie = 0);*/
void CreateImageList(int size = 16);
void CreateButtonsImageList(int size = 11);
/*void AddTestItemsToTree(size_t numChildren, size_t depth);*/
/*void DoSortChildren(const wxTreeItemId& item, bool reverse = false)
{ m_reverseSort = reverse; wxTreeCtrl::SortChildren(item); }*/
/*void DoEnsureVisible() { if (m_lastItem.IsOk()) EnsureVisible(m_lastItem); }*/
/*void DoToggleIcon(const wxTreeItemId& item);*/
/*void ShowMenu(wxTreeItemId id, const wxPoint& pt);*/
int ImageSize(void) const { return m_imageSize; }
void SetLastItem(wxTreeItemId id) { m_lastItem = id; }
protected:
/*virtual int OnCompareItems(const wxTreeItemId& i1, const wxTreeItemId& i2);*/
// is this the test item which we use in several event handlers?
/*bool IsTestItem(const wxTreeItemId& item)
{
// the test item is the first child folder
return GetItemParent(item) == GetRootItem() && !GetPrevSibling(item);
}*/
private:
/*void AddItemsRecursively(const wxTreeItemId& idParent,
size_t nChildren,
size_t depth,
size_t folder);*/
void LogEvent(const wxChar *name, const wxTreeEvent& event);
int m_imageSize; // current size of images
bool m_reverseSort; // flag for OnCompareItems
wxTreeItemId m_lastItem, // for OnEnsureVisible()
m_draggedItem; // item being dragged right now
// NB: due to an ugly wxMSW hack you _must_ use DECLARE_DYNAMIC_CLASS()
// if you want your overloaded OnCompareItems() to be called.
// OTOH, if you don't want it you may omit the next line - this will
// make default (alphabetical) sorting much faster under wxMSW.
DECLARE_DYNAMIC_CLASS(OPJMarkerTree)
DECLARE_EVENT_TABLE()
};
// this hash map stores all the trees of currently opened images, with an integer key
WX_DECLARE_HASH_MAP(int, OPJMarkerTree*, wxIntegerHash, wxIntegerEqual, OPJMarkerTreeHash);
// this hash map stores all the children of currently opened images, with an integer key
WX_DECLARE_HASH_MAP(int, OPJChildFrame*, wxIntegerHash, wxIntegerEqual, OPJChildFrameHash);
// Define a new frame
class OPJFrame: public wxMDIParentFrame
{
public:
OPJFrame(wxWindow *parent, const wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, const long style);
~OPJFrame(void);
void OnSize(wxSizeEvent& event);
void OnAbout(wxCommandEvent& WXUNUSED(event));
void OnFileOpen(wxCommandEvent& WXUNUSED(event));
void OnQuit(wxCommandEvent& WXUNUSED(event));
void OnToggleWindow(wxCommandEvent& WXUNUSED(event));
void OnSashDrag(wxSashEvent& event);
void OpenFiles(wxArrayString paths, wxArrayString filenames);
void OnNotebook(wxNotebookEvent& event);
OPJMarkerTreeHash m_treehash;
OPJChildFrameHash m_childhash;
wxSashLayoutWindow* markerTreeWindow;
wxSashLayoutWindow* loggingWindow;
void Resize(int number);
wxNotebook *m_bookCtrl;
wxNotebook *m_bookCtrlbottom;
wxTextCtrl *m_textCtrlbrowse;
private:
void TogStyle(int id, long flag);
void DoSort(bool reverse = false);
wxPanel *m_panel;
wxTextCtrl *m_textCtrl;
void DoSetBold(bool bold = true);
protected:
wxSashLayoutWindow* m_topWindow;
wxSashLayoutWindow* m_leftWindow2;
DECLARE_EVENT_TABLE()
};
class OPJChildFrame: public wxMDIChildFrame
{
public:
OPJCanvas *m_canvas;
OPJChildFrame(OPJFrame *parent, wxFileName fname, int winnumber, const wxString& title, const wxPoint& pos, const wxSize& size, const long style);
~OPJChildFrame(void);
void OnActivate(wxActivateEvent& event);
/*void OnQuit(wxCommandEvent& WXUNUSED(event));*/
void OnClose(wxCloseEvent& event);
void OnGotFocus(wxFocusEvent& event);
/*void OnLostFocus(wxFocusEvent& event);*/
OPJFrame *m_frame;
wxFileName m_fname;
int m_winnumber;
DECLARE_EVENT_TABLE()
};
#define SASHTEST_QUIT wxID_EXIT
#define SASHTEST_NEW_WINDOW 2
#define SASHTEST_REFRESH 3
#define SASHTEST_CHILD_QUIT 4
#define SASHTEST_ABOUT wxID_ABOUT
#define SASHTEST_TOGGLE_WINDOW 6
#define ID_WINDOW_TOP 100
#define ID_WINDOW_LEFT1 101
#define ID_WINDOW_LEFT2 102
#define ID_WINDOW_BOTTOM 103
// menu and control ids
enum
{
TreeTest_Quit = wxID_EXIT,
TreeTest_About = wxID_ABOUT,
TreeTest_TogButtons = wxID_HIGHEST,
TreeTest_TogTwist,
TreeTest_TogLines,
TreeTest_TogEdit,
TreeTest_TogHideRoot,
TreeTest_TogRootLines,
TreeTest_TogBorder,
TreeTest_TogFullHighlight,
TreeTest_SetFgColour,
TreeTest_SetBgColour,
TreeTest_ResetStyle,
TreeTest_Highlight,
TreeTest_Dump,
TreeTest_DumpSelected,
TreeTest_Count,
TreeTest_CountRec,
TreeTest_Sort,
TreeTest_SortRev,
TreeTest_SetBold,
TreeTest_ClearBold,
TreeTest_Rename,
TreeTest_Delete,
TreeTest_DeleteChildren,
TreeTest_DeleteAll,
TreeTest_Recreate,
TreeTest_ToggleImages,
TreeTest_ToggleButtons,
TreeTest_SetImageSize,
TreeTest_ToggleSel,
TreeTest_CollapseAndReset,
TreeTest_EnsureVisible,
TreeTest_AddItem,
TreeTest_InsertItem,
TreeTest_IncIndent,
TreeTest_DecIndent,
TreeTest_IncSpacing,
TreeTest_DecSpacing,
TreeTest_ToggleIcon,
TreeTest_Select,
TreeTest_Unselect,
TreeTest_SelectRoot,
TreeTest_Ctrl = 1000,
BOTTOM_NOTEBOOK_ID,
LEFT_NOTEBOOK_ID
};
class OPJDecoThread : public wxThread
{
public:
OPJDecoThread(OPJCanvas *canvas);
// thread execution starts here
virtual void *Entry();
// called when the thread exits - whether it terminates normally or is
// stopped with Delete() (but not when it is Kill()ed!)
virtual void OnExit();
// write something to the text control
void WriteText(const wxString& text);
public:
unsigned m_count;
OPJCanvas *m_canvas;
};
class OPJParseThread : public wxThread
{
public:
OPJParseThread(OPJMarkerTree *tree, wxTreeItemId parentid = 0x00);
// thread execution starts here
virtual void *Entry();
// called when the thread exits - whether it terminates normally or is
// stopped with Delete() (but not when it is Kill()ed!)
virtual void OnExit();
// write something to the text control
void WriteText(const wxString& text);
void LoadFile(wxFileName fname);
void ParseJ2KFile(wxFile *m_file, wxFileOffset offset, wxFileOffset length, wxTreeItemId parentid);
void ParseJP2File(wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit, wxTreeItemId parentid);
unsigned m_count;
OPJMarkerTree *m_tree;
wxTreeItemId m_parentid;
private:
int jpeg2000parse(wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit,
wxTreeItemId parentid, int level, char *scansign, unsigned long int *scanpoint);
int box_handler_function(int boxtype, wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit,
wxTreeItemId parentid, int level, char *scansign, unsigned long int *scanpoint);
};
#endif //__OPJ_VIEWER_H__

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OPJViewer16 ICON OPJViewer.ico
#include "wx/msw/wx.rc"

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/* XPM */
static char *OPJViewer16[] = {
/* columns rows colors chars-per-pixel */
"16 16 4 1",
" c black",
". c #800000",
"X c red",
"o c None",
/* pixels */
"oooooooooooooooo",
"ooo.XXXXoooooooo",
"ooXXoo .Xooooooo",
"o..oooo .ooooooo",
"oX.oooo ooooooo",
"oX.oooo .ooooooo",
"oXXoooo .ooooooo",
"o.XXoo .oooooooo",
"oo.XXXXooooooooo",
"ooooooooo.Xo .oo",
"ooooooooo X. ooo",
"oooooooooo...ooo",
"oooooooooo XXooo",
"oooooooooo .Xooo",
"oooooooooooooooo",
"oooooooooooooooo"
};

79
OPJViewer/source/icon1.xpm Normal file
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/* XPM */
static char *icon1_xpm[] = {
/* columns rows colors chars-per-pixel */
"32 32 41 1",
"> c #97C4E7",
"# c #4381AA",
"d c #FFFFFF",
"< c #71B2DE",
"+ c #538BB1",
"& c #D1E5F5",
"q c #63B3DE",
"6 c #F1F4F7",
"* c #CAE1F3",
"y c #7AC4E5",
"= c #C3DDF1",
"X c #74A1BD",
"- c #BCD9EF",
"5 c #619BC4",
"3 c #E6EAF1",
"2 c #4B8EBF",
"o c #6B97B6",
". c #4B82A8",
" c None",
"w c #54A6D8",
"1 c #71A8D1",
", c #85BBE2",
"t c #EFF6FC",
"7 c #DEEDF8",
"@ c #4388B4",
"a c #F7FBFD",
"$ c #D7E0E9",
"r c #FAFCFE",
"4 c #DAEAF7",
"e c #E9F3FA",
"0 c #76BAE2",
"% c #7FA6C0",
"s c #FDFDFE",
"O c #5896BE",
"p c #B6D5EE",
"8 c #87ABC3",
": c #A5CCEA",
"9 c #E5F0F9",
"; c #AFD1EC",
"i c #F4F9FD",
"u c #8FB0C3",
/* pixels */
" ",
" ",
" ",
" ",
" ",
" .XXXooOO++@#$ ",
" %&*=-;:>>,<123 ",
" %4&*=-;:>>,1>56 ",
" %74&*=-;:>>1*>56 ",
" 89700qqqqwq1e*>X ",
" 8e974&*=-;:1re*>8 ",
" 8te974&*=-;11111# ",
" 8tty000qqqqqww>,+ ",
" uitte974&*=-p:>>+ ",
" uaitte974&*=-p:>O ",
" uaayyyy000qqqqp:O ",
" uraaitte974&*=-po ",
" urraaitte974&*=-o ",
" usryyyyyyy000q*=X ",
" ussrraaitte974&*X ",
" udssrraaitte974&X ",
" uddyyyyyyyyyy074% ",
" udddssrraaitte97% ",
" uddddssrraaitte9% ",
" udddddssrraaitte8 ",
" uddddddssrraaitt8 ",
" uuuuuuuuuuuuuu88u ",
" ",
" ",
" ",
" ",
" "
};

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/* XPM */
static char *icon2_xpm[] = {
/* columns rows colors chars-per-pixel */
"32 32 15 1",
". c Black",
"O c #97C4E7",
"$ c #63B3DE",
"@ c #CAE1F3",
"; c #7AC4E5",
"* c #74A1BD",
"+ c #619BC4",
"o c #4B8EBF",
" c None",
"% c #54A6D8",
"= c #FAFCFE",
"& c #E9F3FA",
"# c #76BAE2",
"X c #C00000",
"- c #87ABC3",
/* pixels */
" ",
" ",
" ",
" ",
" ",
" ............. ",
" .XXXXXXXXXX.o. ",
" .XXXXXXXXXX.O+. ",
" .XXXXXXXXXX.@O+. ",
" .XX##$$$$%$.&@O* ",
" .XXXXXXXXXX.=&@O- ",
" .XXXXXXXXXX...... ",
" .XX;###$$$$$%%XX. ",
" .XXXXXXXXXXXXXXX. ",
" .XXXXXXXXXXXXXXX. ",
" .XX;;;;###$$$$XX. ",
" .XXXXXXXXXXXXXXX. ",
" .XXXXXXXXXXXXXXX. ",
" .XX;;;;;;;###$XX. ",
" .XXXXXXXXXXXXXXX. ",
" .XXXXXXXXXXXXXXX. ",
" .XX;;;;;;;;;;#XX. ",
" .XXXXXXXXXXXXXXX. ",
" .XXXXXXXXXXXXXXX. ",
" .XXXXXXXXXXXXXXX. ",
" .XXXXXXXXXXXXXXX. ",
" ................. ",
" ",
" ",
" ",
" ",
" "
};

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/* XPM */
static char *icon3_xpm[] = {
/* columns rows colors chars-per-pixel */
"32 32 41 1",
"6 c #EDF2FB",
"- c #AAC1E8",
": c #B9CDED",
"X c #295193",
", c #C6D6F0",
"a c #4A7CCE",
"u c #779DDB",
"y c #7FA2DD",
"$ c #3263B4",
"5 c #EAF0FA",
". c #2D59A3",
"o c #6E96D8",
"* c #356AC1",
"r c #F7F9FD",
"> c #BED0EE",
"3 c #E1E9F7",
"7 c #F0F5FC",
"< c #CBD9F1",
"2 c #DAE5F6",
"# c #3161B1",
" c None",
"0 c #FDFEFF",
"= c #9FB9E5",
"e c #AEC5EA",
"t c #89A9DF",
"q c #98B5E4",
"p c #5584D1",
"d c #3A70CA",
"@ c #305FAC",
"i c #5D89D3",
"1 c #D2DFF4",
"% c #3366B9",
"9 c #FAFCFE",
"8 c #F5F8FD",
"s c #4075CC",
"O c #638ED5",
"w c #90AFE2",
"& c #3467BC",
"+ c #2F5DA9",
"; c #B3C8EB",
"4 c #E5EDF9",
/* pixels */
" ",
" ",
" ",
" ",
" ",
" ",
" ......X ",
" .oooooO+ ",
" .ooooooo. ",
" .+@@@##$%%&&&&&****. ",
" .=-;:>,<12345678900. ",
" .q=-;:>,<1234567890. ",
" .wq=-e:>,<12345678r. ",
" .twq=-e:>,<12345678. ",
" .ytwq=-e:>,<1234567. ",
" .uytwq=-e:>,<123456. ",
" .ouytwq=-e:>,<12345. ",
" .Oouytwq=-e;>,<1234. ",
" .iOouytwq=-e;>,<123. ",
" .piOouytwq=-e;>,<12. ",
" .apiOouytwq=-e;>,<1. ",
" .sapiOouytwq=-e;>,<. ",
" .dsapiOouytwq=-e;>,. ",
" ...................# ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" "
};

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/* XPM */
static char *icon4_xpm[] = {
/* columns rows colors chars-per-pixel */
"32 32 5 1",
". c Black",
"o c #8399B4",
"X c #8DA0B9",
" c None",
"O c #800000",
/* pixels */
" ",
" ",
" ",
" ",
" ",
" ",
" ....... ",
" .XXXXXo. ",
" .XXXXXXX. ",
" .................... ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .OOOOOOOOOOOOOOOOOO. ",
" .................... ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" "
};

79
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/* XPM */
static char *icon5_xpm[] = {
/* columns rows colors chars-per-pixel */
"32 32 41 1",
"0 c #AAC1E8",
"q c #B9CDED",
"X c #295193",
"e c #C6D6F0",
"a c #4A7CCE",
"& c #779DDB",
"* c #7FA2DD",
"2 c #EAF0FA",
"@ c #2D59A3",
"o c #6E96D8",
"y c #356AC1",
"d c #214279",
"w c #BED0EE",
"= c #85A7DF",
"< c #E1E9F7",
"3 c #F0F5FC",
"s c #CBD9F1",
", c #DAE5F6",
"7 c #3161B1",
" c None",
". c #274D8B",
"6 c #FDFEFF",
"i c #E7EEF9",
"9 c #9FB9E5",
"- c #89A9DF",
"8 c #98B5E4",
"$ c #5584D1",
"+ c #3569BF",
"% c #305FAC",
"O c #5D89D3",
"> c #D2DFF4",
"p c #3366B9",
"5 c #FAFCFE",
"4 c #F5F8FD",
"t c #4075CC",
"u c #638ED5",
"r c #CEDCF2",
"; c #90AFE2",
"# c #2F5DA9",
": c #B3C8EB",
"1 c #E5EDF9",
/* pixels */
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ......X ",
" XoooooO. ",
" Xoooooo+. ",
" Xooooooo@XXXXXXXXXX# ",
" Xoooooooooooooooooo# ",
" Xoooooooooooooooooo# ",
" Xoo$################### ",
" Xoo%O&*=-;:>,<123445667 ",
" XooX890:qwer>,<123445q# ",
" Xoty;890:qwer>,<12344# ",
" Xo%u-;890:qwer>,<i234# ",
" XoX&*-;890:qwer>,<i2r# ",
" Xtpo&*-;890:qwer>,<i# ",
" X%auo&*-;890:qwer>,<# ",
" XX$Ouo&*-;890:qwer>s# ",
" d%a$Ouo&*-;890:qwer# ",
" d+ta$Ouo&*-;890:qwe# ",
" d..................# ",
" ",
" ",
" ",
" ",
" ",
" ",
" "
};

312
OPJViewer/source/imagj2k.cpp Normal file
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/*
* 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 "libopenjpeg/openjpeg.h"
#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) {
char m_msg[MAX_MESSAGE_LEN];
int message_len = strlen(msg) - 1;
if (msg[message_len] != '\n')
message_len = MAX_MESSAGE_LEN;
sprintf(m_msg, "[ERROR] %.*s", message_len, msg);
wxMutexGuiEnter();
wxLogMessage(m_msg);
wxMutexGuiLeave();
}
/* sample warning callback expecting a FILE* client object */
void j2k_warning_callback(const char *msg, void *client_data) {
char m_msg[MAX_MESSAGE_LEN];
int message_len = strlen(msg) - 1;
if (msg[message_len] != '\n')
message_len = MAX_MESSAGE_LEN;
sprintf(m_msg, "[WARNING] %.*s", message_len, msg);
wxMutexGuiEnter();
wxLogMessage(m_msg);
wxMutexGuiLeave();
}
/* sample debug callback expecting no client object */
void j2k_info_callback(const char *msg, void *client_data) {
char m_msg[MAX_MESSAGE_LEN];
int message_len = strlen(msg) - 1;
if (msg[message_len] != '\n')
message_len = MAX_MESSAGE_LEN;
sprintf(m_msg, "[INFO] %.*s", message_len, msg);
wxMutexGuiEnter();
wxLogMessage(m_msg);
wxMutexGuiLeave();
}
// 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;
FILE *fsrc = NULL;
unsigned char *src = NULL;
unsigned char *ptr;
int file_length;
int shiftbpp;
// 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 */
parameters.decod_format = J2K_CFMT;
parameters.cod_format = BMP_DFMT;
/* JPWL only */
#ifdef USE_JPWL
parameters.jpwl_exp_comps = 3;
parameters.jpwl_max_tiles = 100;
parameters.jpwl_correct = true;
#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(dinfo, cio);
if (!opjimage) {
wxMutexGuiEnter();
wxLogError("J2K: failed to decode image!");
wxMutexGuiLeave();
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
opj_image_destroy(opjimage);
free(src);
return false;
}
// check image components
if ((opjimage->numcomps != 1) && (opjimage->numcomps != 3)) {
wxMutexGuiEnter();
wxLogError("J2K: weird number of components");
wxMutexGuiLeave();
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
free(src);
return false;
}
// check image depth (only on the first one, for now)
shiftbpp = opjimage->comps[0].prec - 8;
// prepare image size
image->Create(opjimage->comps[0].w, opjimage->comps[0].h, true );
// access image raw data
image->SetMask( false );
ptr = image->GetData();
// RGB color picture
if (opjimage->numcomps == 3) {
int row, col;
int *r = opjimage->comps[0].data;
int *g = opjimage->comps[1].data;
int *b = opjimage->comps[2].data;
if (shiftbpp > 0) {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = (*(r++)) >> shiftbpp;
*(ptr++) = (*(g++)) >> shiftbpp;
*(ptr++) = (*(b++)) >> shiftbpp;
}
}
} else {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = *(r++);
*(ptr++) = *(g++);
*(ptr++) = *(b++);
}
}
}
}
// B/W picture
if (opjimage->numcomps == 1) {
int row, col;
int *y = opjimage->comps[0].data;
if (shiftbpp > 0) {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = (*(y)) >> shiftbpp;
*(ptr++) = (*(y)) >> shiftbpp;
*(ptr++) = (*(y++)) >> shiftbpp;
}
}
} else {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = *(y);
*(ptr++) = *(y);
*(ptr++) = *(y++);
}
}
}
}
wxMutexGuiEnter();
wxLogMessage(wxT("J2K: image loaded."));
wxMutexGuiLeave();
/* close openjpeg structs */
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
opj_image_destroy(opjimage);
free(src);
if (!image->Ok())
return false;
else
return true;
}
// save the j2k codestream
bool wxJ2KHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbose )
{
wxLogError(wxT("J2K: Couldn't save image -> not implemented."));
return false;
}
#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

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/*
* 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.h
// Purpose: wxImage JPEG 2000 raw codestream handler
// Author: G. Baruffa - based on imagjpeg.h, Vaclav Slavik
// RCS-ID: $Id: imagj2k.h,v 0.0 2007/02/08 23:45:00 VZ Exp $
// Copyright: (c) Giuseppe Baruffa
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_IMAGJ2K_H_
#define _WX_IMAGJ2K_H_
#include "wx/defs.h"
//-----------------------------------------------------------------------------
// wxJ2KHandler
//-----------------------------------------------------------------------------
#if wxUSE_LIBOPENJPEG
#include "wx/image.h"
#define wxBITMAP_TYPE_J2K 47
class WXDLLEXPORT wxJ2KHandler: public wxImageHandler
{
public:
inline wxJ2KHandler()
{
m_name = wxT("JPEG 2000 codestream file");
m_extension = wxT("j2k");
m_type = wxBITMAP_TYPE_J2K;
m_mime = wxT("image/j2k");
}
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
protected:
virtual bool DoCanRead( wxInputStream& stream );
#endif
private:
DECLARE_DYNAMIC_CLASS(wxJ2KHandler)
};
#endif // wxUSE_LIBOPENJPEG
#endif // _WX_IMAGJ2K_H_

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/*
* 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) {
char m_msg[MAX_MESSAGE_LEN];
int message_len = strlen(msg) - 1;
if (msg[message_len] != '\n')
message_len = MAX_MESSAGE_LEN;
sprintf(m_msg, "[ERROR] %.*s", message_len, msg);
wxMutexGuiEnter();
wxLogMessage(m_msg);
wxMutexGuiLeave();
}
/* sample warning callback expecting a FILE* client object */
void jp2_warning_callback(const char *msg, void *client_data) {
char m_msg[MAX_MESSAGE_LEN];
int message_len = strlen(msg) - 1;
if (msg[message_len] != '\n')
message_len = MAX_MESSAGE_LEN;
sprintf(m_msg, "[WARNING] %.*s", message_len, msg);
wxMutexGuiEnter();
wxLogMessage(m_msg);
wxMutexGuiLeave();
}
/* sample debug callback expecting no client object */
void jp2_info_callback(const char *msg, void *client_data) {
char m_msg[MAX_MESSAGE_LEN];
int message_len = strlen(msg) - 1;
if (msg[message_len] != '\n')
message_len = MAX_MESSAGE_LEN;
sprintf(m_msg, "[INFO] %.*s", message_len, msg);
wxMutexGuiEnter();
wxLogMessage(m_msg);
wxMutexGuiLeave();
}
// 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;
FILE *fsrc = NULL;
unsigned char *src = NULL;
unsigned char *ptr;
int file_length;
// 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(&parameters);
/* prepare parameters */
parameters.decod_format = JP2_CFMT;
parameters.cod_format = BMP_DFMT;
/* 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, &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(dinfo, cio);
if (!opjimage) {
wxMutexGuiEnter();
wxLogError("JP2: failed to decode image!");
wxMutexGuiLeave();
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
free(src);
return false;
}
// check image size
if ((opjimage->numcomps != 1) && (opjimage->numcomps != 3)) {
wxMutexGuiEnter();
wxLogError("JP2: weird number of components");
wxMutexGuiLeave();
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
free(src);
return false;
}
// prepare image size
image->Create(opjimage->comps[0].w, opjimage->comps[0].h, true );
// access image raw data
image->SetMask( false );
ptr = image->GetData();
// RGB color picture
if (opjimage->numcomps == 3) {
int row, col;
int *r = opjimage->comps[0].data;
int *g = opjimage->comps[1].data;
int *b = opjimage->comps[2].data;
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = *(r++);
*(ptr++) = *(g++);
*(ptr++) = *(b++);
}
}
}
// B/W picture
if (opjimage->numcomps == 1) {
int row, col;
int *y = opjimage->comps[0].data;
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = *(y);
*(ptr++) = *(y);
*(ptr++) = *(y++);
}
}
}
wxMutexGuiEnter();
wxLogMessage(wxT("JP2: image loaded."));
wxMutexGuiLeave();
/* close openjpeg structs */
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
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 )
{
wxLogError(wxT("JP2: Couldn't save image -> not implemented."));
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

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/*
* 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.h
// Purpose: wxImage JPEG 2000 file format handler
// Author: G. Baruffa - based on imagjpeg.h, Vaclav Slavik
// RCS-ID: $Id: imagjp2.h,v 0.0 2007/02/08 23:45:00 VZ Exp $
// Copyright: (c) Giuseppe Baruffa
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_IMAGJP2_H_
#define _WX_IMAGJP2_H_
#include "wx/defs.h"
//-----------------------------------------------------------------------------
// wxJP2Handler
//-----------------------------------------------------------------------------
#if wxUSE_LIBOPENJPEG
#include "wx/image.h"
#define wxBITMAP_TYPE_JP2 48
class WXDLLEXPORT wxJP2Handler: public wxImageHandler
{
public:
inline wxJP2Handler()
{
m_name = wxT("JPEG 2000 file format");
m_extension = wxT("jp2");
m_type = wxBITMAP_TYPE_JP2;
m_mime = wxT("image/jp2");
}
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
protected:
virtual bool DoCanRead( wxInputStream& stream );
#endif
private:
DECLARE_DYNAMIC_CLASS(wxJP2Handler)
};
#endif // wxUSE_LIBOPENJPEG
#endif // _WX_IMAGJP2_H_

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/*
* 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: imagmj2.cpp
// Purpose: wxImage Motion JPEG 2000 file format handler
// Author: Giuseppe Baruffa - based on imagjpeg.cpp, Vaclav Slavik
// RCS-ID: $Id: imagmj2.cpp,v 0.00 2007/02/18 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 "imagmj2.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
// ----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// wxMJ2Handler
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxMJ2Handler,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 mj2_error_callback(const char *msg, void *client_data) {
char m_msg[MAX_MESSAGE_LEN];
int message_len = strlen(msg) - 1;
if (msg[message_len] != '\n')
message_len = MAX_MESSAGE_LEN;
sprintf(m_msg, "[ERROR] %.*s", message_len, msg);
wxMutexGuiEnter();
wxLogMessage(m_msg);
wxMutexGuiLeave();
}
/* sample warning callback expecting a FILE* client object */
void mj2_warning_callback(const char *msg, void *client_data) {
char m_msg[MAX_MESSAGE_LEN];
int message_len = strlen(msg) - 1;
if (msg[message_len] != '\n')
message_len = MAX_MESSAGE_LEN;
sprintf(m_msg, "[WARNING] %.*s", message_len, msg);
wxMutexGuiEnter();
wxLogMessage(m_msg);
wxMutexGuiLeave();
}
/* sample debug callback expecting no client object */
void mj2_info_callback(const char *msg, void *client_data) {
char m_msg[MAX_MESSAGE_LEN];
int message_len = strlen(msg) - 1;
if (msg[message_len] != '\n')
message_len = MAX_MESSAGE_LEN;
sprintf(m_msg, "[INFO] %.*s", message_len, msg);
wxMutexGuiEnter();
wxLogMessage(m_msg);
wxMutexGuiLeave();
}
/* macro functions */
/* From little endian to big endian, 2 and 4 bytes */
#define BYTE_SWAP2(X) ((X & 0x00FF) << 8) | ((X & 0xFF00) >> 8)
#define BYTE_SWAP4(X) ((X & 0x000000FF) << 24) | ((X & 0x0000FF00) << 8) | ((X & 0x00FF0000) >> 8) | ((X & 0xFF000000) >> 24)
#define BYTE_SWAP8(X) ((X & 0x00000000000000FF) << 56) | ((X & 0x000000000000FF00) << 40) | \
((X & 0x0000000000FF0000) << 24) | ((X & 0x00000000FF000000) << 8) | \
((X & 0x000000FF00000000) >> 8) | ((X & 0x0000FF0000000000) >> 24) | \
((X & 0x00FF000000000000) >> 40) | ((X & 0xFF00000000000000) >> 56)
/* From codestream to int values */
#define STREAM_TO_UINT32(C, P) (((unsigned long int) (C)[(P) + 0] << 24) + \
((unsigned long int) (C)[(P) + 1] << 16) + \
((unsigned long int) (C)[(P) + 2] << 8) + \
((unsigned long int) (C)[(P) + 3] << 0))
#define STREAM_TO_UINT16(C, P) (((unsigned long int) (C)[(P) + 0] << 8) + \
((unsigned long int) (C)[(P) + 1] << 0))
/* defines */
#define SHORT_DESCR_LEN 32
#define LONG_DESCR_LEN 256
/* enumeration for file formats */
#define J2FILENUM 4
typedef enum {
JP2_FILE,
J2K_FILE,
MJ2_FILE,
UNK_FILE
} my_j2filetype;
/* enumeration for the box types */
#define J2BOXNUM 23
typedef enum {
FILE_BOX,
JP_BOX,
FTYP_BOX,
JP2H_BOX,
IHDR_BOX,
COLR_BOX,
JP2C_BOX,
JP2I_BOX,
XML_BOX,
UUID_BOX,
UINF_BOX,
MOOV_BOX,
MVHD_BOX,
TRAK_BOX,
TKHD_BOX,
MDIA_BOX,
MINF_BOX,
STBL_BOX,
STSD_BOX,
MJP2_BOX,
MDAT_BOX,
ANY_BOX,
UNK_BOX
} my_j2boxtype;
/* jp2 family box signatures */
#define FILE_SIGN ""
#define JP_SIGN "jP\040\040"
#define FTYP_SIGN "ftyp"
#define JP2H_SIGN "jp2h"
#define IHDR_SIGN "ihdr"
#define COLR_SIGN "colr"
#define JP2C_SIGN "jp2c"
#define JP2I_SIGN "jp2i"
#define XML_SIGN "xml\040"
#define UUID_SIGN "uuid"
#define UINF_SIGN "uinf"
#define MOOV_SIGN "moov"
#define MVHD_SIGN "mvhd"
#define TRAK_SIGN "trak"
#define TKHD_SIGN "tkhd"
#define MDIA_SIGN "mdia"
#define MINF_SIGN "minf"
#define STBL_SIGN "stbl"
#define STSD_SIGN "stsd"
#define MJP2_SIGN "mjp2"
#define MDAT_SIGN "mdat"
#define ANY_SIGN ""
#define UNK_SIGN ""
/* the box structure itself */
struct my_boxdef {
char value[5]; /* hexadecimal value/string*/
char name[SHORT_DESCR_LEN]; /* short description */
char descr[LONG_DESCR_LEN]; /* long description */
int sbox; /* is it a superbox? */
int req[J2FILENUM]; /* mandatory box */
my_j2boxtype ins; /* contained in box... */
};
/* the possible boxes */
struct my_boxdef j2box[] =
{
/* sign */ {FILE_SIGN,
/* short */ "placeholder for nothing",
/* long */ "Nothing to say",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {JP_SIGN,
/* short */ "JPEG 2000 Signature box",
/* long */ "This box uniquely identifies the file as being part of the JPEG 2000 family of files",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {FTYP_SIGN,
/* short */ "File Type box",
/* long */ "This box specifies file type, version and compatibility information, including specifying if this file "
"is a conforming JP2 file or if it can be read by a conforming JP2 reader",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {JP2H_SIGN,
/* short */ "JP2 Header box",
/* long */ "This box contains a series of boxes that contain header-type information about the file",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {IHDR_SIGN,
/* short */ "Image Header box",
/* long */ "This box specifies the size of the image and other related fields",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ JP2H_BOX},
/* sign */ {COLR_SIGN,
/* short */ "Colour Specification box",
/* long */ "This box specifies the colourspace of the image",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ JP2H_BOX},
/* sign */ {JP2C_SIGN,
/* short */ "Contiguous Codestream box",
/* long */ "This box contains the codestream as defined by Annex A",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {JP2I_SIGN,
/* short */ "Intellectual Property box",
/* long */ "This box contains intellectual property information about the image",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {XML_SIGN,
/* short */ "XML box",
/* long */ "This box provides a tool by which vendors can add XML formatted information to a JP2 file",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {UUID_SIGN,
/* short */ "UUID box",
/* long */ "This box provides a tool by which vendors can add additional information to a file "
"without risking conflict with other vendors",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {UINF_SIGN,
/* short */ "UUID Info box",
/* long */ "This box provides a tool by which a vendor may provide access to additional information associated with a UUID",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {MOOV_SIGN,
/* short */ "Movie box",
/* long */ "This box contains the media data. In video tracks, this box would contain JPEG2000 video frames",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {MVHD_SIGN,
/* short */ "Movie Header box",
/* long */ "This box defines overall information which is media-independent, and relevant to the entire presentation "
"considered as a whole",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MOOV_BOX},
/* sign */ {TRAK_SIGN,
/* short */ "Track box",
/* long */ "This is a container box for a single track of a presentation. A presentation may consist of one or more tracks",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ MOOV_BOX},
/* sign */ {TKHD_SIGN,
/* short */ "Track Header box",
/* long */ "This box specifies the characteristics of a single track. Exactly one Track Header Box is contained in a track",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ TRAK_BOX},
/* sign */ {MDIA_SIGN,
/* short */ "Media box",
/* long */ "The media declaration container contains all the objects which declare information about the media data "
"within a track",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ TRAK_BOX},
/* sign */ {MINF_SIGN,
/* short */ "Media Information box",
/* long */ "This box contains all the objects which declare characteristic information of the media in the track",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ MDIA_BOX},
/* sign */ {STBL_SIGN,
/* short */ "Sample Table box",
/* long */ "The sample table contains all the time and data indexing of the media samples in a track",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ MINF_BOX},
/* sign */ {STSD_SIGN,
/* short */ "Sample Description box",
/* long */ "The sample description table gives detailed information about the coding type used, and any initialization "
"information needed for that coding",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MINF_BOX},
/* sign */ {MJP2_SIGN,
/* short */ "MJP2 Sample Description box",
/* long */ "The MJP2 sample description table gives detailed information about the coding type used, and any initialization "
"information needed for that coding",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MINF_BOX},
/* sign */ {MDAT_SIGN,
/* short */ "Media Data box",
/* long */ "The meta-data for a presentation is stored in the single Movie Box which occurs at the top-level of a file",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {ANY_SIGN,
/* short */ "Any box",
/* long */ "All the existing boxes",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {UNK_SIGN,
/* short */ "Unknown Type box",
/* long */ "The signature is not recognised to be that of an existing box",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ ANY_BOX}
};
/* declaration */
int
my_box_handler_function(my_j2boxtype boxtype, wxInputStream& stream, unsigned long int filepoint, unsigned long int filelimit, int level,
char *scansign, unsigned long int *scanpoint);
/* internal mini-search for a box signature */
int
my_jpeg2000parse(wxInputStream& stream, unsigned long int filepoint, unsigned long int filelimit, int level,
char *scansign, unsigned long int *scanpoint)
{
unsigned long int LBox = 0x00000000;
int LBox_read;
char TBox[5] = "\0\0\0\0";
int TBox_read;
__int64 XLBox = 0x0000000000000000;
int XLBox_read;
unsigned long int box_length = 0;
int last_box = 0, box_num = 0;
int box_type = ANY_BOX;
unsigned char onebyte[1], twobytes[2], fourbytes[4];
int box_number = 0;
/* cycle all over the file */
box_num = 0;
last_box = 0;
while (!last_box) {
/* do not exceed file limit */
if (filepoint >= filelimit)
return (0);
/* seek on file */
if (stream.SeekI(filepoint, wxFromStart) == wxInvalidOffset)
return (-1);
/* read the mandatory LBox, 4 bytes */
if (!stream.Read(fourbytes, 4)) {
(wxT("Problem reading LBox from the file (file ended?)"));
return -1;
};
LBox = STREAM_TO_UINT32(fourbytes, 0);
/* read the mandatory TBox, 4 bytes */
if (!stream.Read(TBox, 4)) {
wxLogError(wxT("Problem reading TBox from the file (file ended?)"));
return -1;
};
/* look if scansign is got */
if ((scansign != NULL) && (memcmp(TBox, scansign, 4) == 0)) {
/* hack/exploit */
// stop as soon as you find the level-th codebox
if (box_number == level) {
memcpy(scansign, " ", 4);
*scanpoint = filepoint;
return (0);
} else
box_number++;
};
/* determine the box type */
for (box_type = JP_BOX; box_type < UNK_BOX; box_type++)
if (memcmp(TBox, j2box[box_type].value, 4) == 0)
break;
/* read the optional XLBox, 8 bytes */
if (LBox == 1) {
if (!stream.Read(&XLBox, 8)) {
wxLogError(wxT("Problem reading XLBox from the file (file ended?)"));
return -1;
};
box_length = (unsigned long int) BYTE_SWAP8(XLBox);
} else if (LBox == 0x00000000) {
/* last box in file */
last_box = 1;
box_length = filelimit - filepoint;
} else
box_length = LBox;
/* go deep in the box */
my_box_handler_function((my_j2boxtype) box_type, stream, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length, level,
scansign, scanpoint);
/* if it's a superbox go inside it */
if (j2box[box_type].sbox)
my_jpeg2000parse(stream, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length,
level, scansign, scanpoint);
/* increment box number and filepoint*/
box_num++;
filepoint += box_length;
};
/* all good */
return (0);
}
// search first contiguos codestream box in an mj2 file
unsigned long int
searchfirstjp2c(wxInputStream& stream, unsigned long int fsize)
{
char scansign[] = "jp2c";
unsigned long int scanpoint = 0L;
wxLogMessage("MJ2: searching jp2c box... ");
/* do the parsing */
if (my_jpeg2000parse(stream, 0, fsize, 0, scansign, &scanpoint) < 0)
wxLogMessage("MJ2: Unrecoverable error during file parsing: stopping");
if (strcmp(scansign, " "))
wxLogMessage("MJ2: not found");
else {
wxLogMessage(wxString::Format("MJ2: found at byte %d", scanpoint));
};
return (scanpoint);
}
// search the jp2h box in the file
unsigned long int
searchjpegheaderbox(wxInputStream& stream, unsigned long int fsize)
{
char scansign[] = "jp2h";
unsigned long int scanpoint = 0L;
wxLogMessage("MJ2: searching jp2h box... ");
/* do the parsing */
if (my_jpeg2000parse(stream, 0, fsize, 0, scansign, &scanpoint) < 0)
wxLogMessage("Unrecoverable error during file parsing: stopping");
if (strcmp(scansign, " "))
wxLogMessage("MJ2: not found");
else
wxLogMessage(wxString::Format("MJ2: found at byte %d", scanpoint));
return (scanpoint);
}
/* handling functions */
#define ITEM_PER_ROW 10
/* Box handler function */
int
my_box_handler_function(my_j2boxtype boxtype, wxInputStream& stream, unsigned long int filepoint, unsigned long int filelimit, int level,
char *scansign, unsigned long int *scanpoint)
{
switch (boxtype) {
/* Sample Description box */
case (STSD_BOX):
my_jpeg2000parse(stream, filepoint + 8, filelimit, level, scansign, scanpoint);
break;
/* MJP2 Sample Description box */
case (MJP2_BOX):
my_jpeg2000parse(stream, filepoint + 78, filelimit, level, scansign, scanpoint);
break;
/* not yet implemented */
default:
break;
};
return (0);
}
// the jP and ftyp parts of the header
#define my_jPheadSIZE 32
unsigned char my_jPhead[my_jPheadSIZE] = {
0x00, 0x00, 0x00, 0x0C, 'j', 'P', ' ', ' ',
0x0D, 0x0A, 0x87, 0x0A, 0x00, 0x00, 0x00, 0x14,
'f', 't', 'y', 'p', 'j', 'p', '2', ' ',
0x00, 0x00, 0x00, 0x00, 'j', 'p', '2', ' '
};
/////////////////////////////////////////////////
/////////////////////////////////////////////////
// load the mj2 file format
bool wxMJ2Handler::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;
FILE *fsrc = NULL;
unsigned char *src = NULL;
unsigned char *ptr;
int file_length, jp2c_point, jp2h_point;
unsigned long int jp2hboxlen, jp2cboxlen;
// 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 = mj2_error_callback;
event_mgr.warning_handler = mj2_warning_callback;
event_mgr.info_handler = mj2_info_callback;
/* set decoding parameters to default values */
opj_set_default_decoder_parameters(&parameters);
/* prepare parameters */
parameters.decod_format = JP2_CFMT;
parameters.cod_format = BMP_DFMT;
/* get a decoder handle */
dinfo = opj_create_decompress(CODEC_JP2);
/* find length of the stream */
stream.SeekI(0, wxFromEnd);
file_length = (int) stream.TellI();
/* search for the first codestream box and the movie header box */
jp2c_point = searchfirstjp2c(stream, file_length);
jp2h_point = searchjpegheaderbox(stream, file_length);
// read the jp2h box and store it
stream.SeekI(jp2h_point, wxFromStart);
stream.Read(&jp2hboxlen, sizeof(unsigned long int));
jp2hboxlen = BYTE_SWAP4(jp2hboxlen);
// read the jp2c box and store it
stream.SeekI(jp2c_point, wxFromStart);
stream.Read(&jp2cboxlen, sizeof(unsigned long int));
jp2cboxlen = BYTE_SWAP4(jp2cboxlen);
// malloc memory source
src = (unsigned char *) malloc(my_jPheadSIZE + jp2hboxlen + jp2cboxlen);
// copy the jP and ftyp
memcpy(src, my_jPhead, my_jPheadSIZE);
// copy the jp2h
stream.SeekI(jp2h_point, wxFromStart);
stream.Read(&src[my_jPheadSIZE], jp2hboxlen);
// copy the jp2c
stream.SeekI(jp2c_point, wxFromStart);
stream.Read(&src[my_jPheadSIZE + jp2hboxlen], jp2cboxlen);
/* 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, my_jPheadSIZE + jp2hboxlen + jp2cboxlen);
/* decode the stream and fill the image structure */
opjimage = opj_decode(dinfo, cio);
if (!opjimage) {
wxMutexGuiEnter();
wxLogError("MJ2: failed to decode image!");
wxMutexGuiLeave();
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
free(src);
return false;
}
// check image size
if ((opjimage->numcomps != 1) && (opjimage->numcomps != 3)) {
wxMutexGuiEnter();
wxLogError("MJ2: weird number of components");
wxMutexGuiLeave();
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
free(src);
return false;
}
// prepare image size
image->Create(opjimage->comps[0].w, opjimage->comps[0].h, true );
// access image raw data
image->SetMask( false );
ptr = image->GetData();
// RGB color picture
// does not handle comps. subsampling,
// so simply render the first component
if (opjimage->numcomps == 3) {
int row, col;
int *r = opjimage->comps[0].data;
/*
int *g = opjimage->comps[1].data;
int *b = opjimage->comps[2].data;
*/
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
/*
*(ptr++) = *(r++);
*(ptr++) = *(g++);
*(ptr++) = *(b++);
*/
*(ptr++) = *(r);
*(ptr++) = *(r);
*(ptr++) = *(r++);
}
}
}
// B/W picture
if (opjimage->numcomps == 1) {
int row, col;
int *y = opjimage->comps[0].data;
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = *(y);
*(ptr++) = *(y);
*(ptr++) = *(y++);
}
}
}
wxMutexGuiEnter();
wxLogMessage(wxT("MJ2: image loaded."));
wxMutexGuiLeave();
/* close openjpeg structs */
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
opj_image_destroy(opjimage);
free(src);
if (!image->Ok())
return false;
else
return true;
}
// save the mj2 file format
bool wxMJ2Handler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbose )
{
wxLogError(wxT("MJ2: Couldn't save movie -> not implemented."));
return false;
}
#ifdef __VISUALC__
#pragma warning(default:4611)
#endif /* VC++ */
// recognize the Motion JPEG 2000 starting box
bool wxMJ2Handler::DoCanRead( wxInputStream& stream )
{
unsigned char hdr[24];
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] == 0x6D &&
hdr[21] == 0x6A &&
hdr[22] == 0x70 &&
hdr[23] == 0x32);
}
#endif // wxUSE_STREAMS
#endif // wxUSE_LIBOPENJPEG

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/*
* 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: imagmj2.h
// Purpose: wxImage Motion JPEG 2000 file format handler
// Author: G. Baruffa - based on imagjpeg.h, Vaclav Slavik
// RCS-ID: $Id: imagmj2.h,v 0.0 2007/02/18 23:45:00 VZ Exp $
// Copyright: (c) Giuseppe Baruffa
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_IMAGMJ2_H_
#define _WX_IMAGMJ2_H_
#include "wx/defs.h"
//-----------------------------------------------------------------------------
// wxMJ2Handler
//-----------------------------------------------------------------------------
#if wxUSE_LIBOPENJPEG
#include "wx/image.h"
#define wxBITMAP_TYPE_MJ2 49
class WXDLLEXPORT wxMJ2Handler: public wxImageHandler
{
public:
inline wxMJ2Handler()
{
m_name = wxT("Motion JPEG 2000 file format");
m_extension = wxT("mj2");
m_type = wxBITMAP_TYPE_MJ2;
m_mime = wxT("image/mj2");
}
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
protected:
virtual bool DoCanRead( wxInputStream& stream );
#endif
private:
DECLARE_DYNAMIC_CLASS(wxMJ2Handler)
};
#endif // wxUSE_LIBOPENJPEG
#endif // _WX_IMAGMJ2_H_

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/*
* 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.
*/
#include "OPJViewer.h"
/* From little endian to big endian, 2 bytes */
#define BYTE_SWAP2(X) ((X & 0x00FF) << 8) | ((X & 0xFF00) >> 8)
#define BYTE_SWAP4(X) ((X & 0x000000FF) << 24) | ((X & 0x0000FF00) << 8) | ((X & 0x00FF0000) >> 8) | ((X & 0xFF000000) >> 24)
/* From codestream to int values */
#define STREAM_TO_UINT32(C, P) (((unsigned long int) (C)[(P) + 0] << 24) + \
((unsigned long int) (C)[(P) + 1] << 16) + \
((unsigned long int) (C)[(P) + 2] << 8) + \
((unsigned long int) (C)[(P) + 3] << 0))
#define STREAM_TO_UINT16(C, P) (((unsigned long int) (C)[(P) + 0] << 8) + \
((unsigned long int) (C)[(P) + 1] << 0))
/* Markers values */
enum {
SOC_VAL = 0xFF4F,
SOT_VAL = 0xFF90,
SOD_VAL = 0xFF93,
EOC_VAL = 0xFFD9,
SIZ_VAL = 0xFF51,
COD_VAL = 0xFF52,
COC_VAL = 0xFF53,
RGN_VAL = 0xFF5E,
QCD_VAL = 0xFF5C,
QCC_VAL = 0xFF5D,
POD_VAL = 0xFF5F,
TLM_VAL = 0xFF55,
PLM_VAL = 0xFF57,
PLT_VAL = 0xFF58,
PPM_VAL = 0xFF60,
PPT_VAL = 0xFF61,
SOP_VAL = 0xFF91,
EPH_VAL = 0xFF92,
CME_VAL = 0xFF64,
#ifndef USEOLDJPWL
EPB_VAL = 0xFF66,
ESD_VAL = 0xFF67,
EPC_VAL = 0xFF68,
RED_VAL = 0xFF69
#else
EPB_VAL = 0xFF96,
ESD_VAL = 0xFF98,
EPC_VAL = 0xFF97,
RED_VAL = 0xFF99
#endif
};
// All the markers in one vector
unsigned short int marker_val[] = {
SOC_VAL, SOT_VAL, SOD_VAL, EOC_VAL,
SIZ_VAL,
COD_VAL, COC_VAL, RGN_VAL, QCD_VAL, QCC_VAL, POD_VAL,
TLM_VAL, PLM_VAL, PLT_VAL, PPM_VAL, PPT_VAL,
SOP_VAL, EPH_VAL,
CME_VAL,
EPB_VAL, ESD_VAL, EPC_VAL, RED_VAL
};
// Marker names
char *marker_name[] = {
"SOC", "SOT", "SOD", "EOC",
"SIZ",
"COD", "COC", "RGN", "QCD", "QCC", "POD",
"TLM", "PLM", "PLT", "PPM", "PPT",
"SOP", "EPH",
"CME",
"EPB", "ESD", "EPC", "RED"
};
// Marker descriptions
char *marker_descr[] = {
"Start of codestream", "Start of tile-part", "Start of data", "End of codestream",
"Image and tile size",
"Coding style default", "Coding style component", "Region-of-interest", "Quantization default",
"Quantization component", "Progression order change, default",
"Tile-part lengths, main header", "Packet length, main header", "Packets length, tile-part header",
"Packed packet headers, main header", "Packed packet headers, tile-part header",
"Start of packet", "End of packet header",
"Comment and extension",
"Error Protection Block", "Error Sensitivity Descriptor", "Error Protection Capability",
"Residual Errors Descriptor"
};
void OPJParseThread::ParseJ2KFile(wxFile *m_file, wxFileOffset offset, wxFileOffset length, wxTreeItemId parentid)
{
// check if the file is opened
if (m_file->IsOpened())
WriteText(wxT("File OK"));
else
return;
// position at the beginning
m_file->Seek(offset, wxFromStart);
//WriteText(wxString::Format(wxT("from to %d"), length));
// navigate the file
int m, inside_sod = 0, nmarks = 0, maxmarks = 10000, done = 0;
unsigned char onebyte[1];
unsigned char twobytes[2];
unsigned char fourbytes[4];
unsigned short int currmark;
unsigned short int currlen;
int lastPsot = 0, lastsotpos = 0;
WriteText(wxT("Start search..."));
while ((offset < length) && (!m_file->Eof())) {
done = 0;
// read da marka
if (m_file->Read(twobytes, 2) != 2)
break;
currmark = (((unsigned short int) twobytes[0]) << 8) + (unsigned short int) twobytes[1];
// Markers cycle
for (m = 0; m < 23; m++) {
// check the marker
if (currmark == marker_val[m]) {
if (currmark == SOD_VAL) {
// we enter SOD
currlen = 0;
inside_sod = 1;
} else if ((currmark == SOC_VAL) || (currmark == EOC_VAL) || (currmark == EPH_VAL))
currlen = 0;
else {
// read length
if (m_file->Read(twobytes, 2) != 2)
break;
currlen = (((unsigned short int) twobytes[0]) << 8) + (unsigned short int) twobytes[1];
}
// inside SOD, only some markers are allowed
if (inside_sod && (currmark != SOD_VAL) && (currmark != SOT_VAL)
&& (currmark != EOC_VAL) && (currmark != SOP_VAL) && (currmark != EPH_VAL))
break; /*randomly marker coincident data */
if (inside_sod && (currmark == SOT_VAL) && (lastPsot == 0))
inside_sod = 0; /* random data coincident with SOT, but last SOT was the last one */
if (inside_sod && (currmark == SOT_VAL))
inside_sod = 0; /* new tile part */
// here we pass to AppendItem() normal and selected item images (we
// suppose that selected image follows the normal one in the enum)
int image, imageSel;
image = m_tree->TreeCtrlIcon_Folder;
imageSel = image + 1;
// append the marker
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("%03d: %s (0x%04X)"), nmarks, marker_name[m], marker_val[m]),
image, imageSel,
new OPJMarkerData(wxT("MARK"), m_tree->m_fname.GetFullPath(), offset, offset + currlen + 1)
);
// append some info
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
// marker name
wxTreeItemId subcurrid1 = m_tree->AppendItem(currid,
wxT("*** ") + wxString(marker_descr[m]) + wxT(" ***"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
m_tree->SetItemFont(subcurrid1, *wxITALIC_FONT);
// position and length
wxTreeItemId subcurrid2 = m_tree->AppendItem(currid,
wxLongLong(offset).ToString() + wxT(" > ") + wxLongLong(offset + currlen + 1).ToString() +
wxT(", ") + wxString::Format(wxT("%d + 2 (%d)"), currlen, currlen + 2),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
// give additional info on markers
switch (currmark) {
case SOP_VAL:
{
// read packet number
if (m_file->Read(twobytes, 2) != 2)
break;
int packnum = STREAM_TO_UINT16(twobytes, 0);;
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("Pack. no. %d"), packnum),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
break;
case SIZ_VAL:
{
m_file->Seek(2, wxFromCurrent);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int xsiz = STREAM_TO_UINT32(fourbytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int ysiz = STREAM_TO_UINT32(fourbytes, 0);
m_file->Seek(24, wxFromCurrent);
if (m_file->Read(twobytes, 2) != 2)
break;
unsigned short int csiz = STREAM_TO_UINT16(twobytes, 0);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char ssiz = onebyte[0];
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("%d x %d, %d comps. @ %d bpp"), xsiz, ysiz, csiz, (ssiz + 1) & 0xEF),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
break;
case SOT_VAL:
{
if (m_file->Read(twobytes, 2) != 2)
break;
unsigned short int isot = STREAM_TO_UINT16(twobytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int psot = STREAM_TO_UINT32(fourbytes, 0);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char tpsot = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char tnsot = onebyte[0];
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("tile %d, psot = %d, part %d of %d"), isot, psot, tpsot, tnsot),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
lastPsot = psot;
lastsotpos = offset;
};
break;
case CME_VAL:
{
#define showlen 25
unsigned char comment[showlen];
m_file->Seek(2, wxFromCurrent);
if (m_file->Read(comment, showlen) != showlen)
break;
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("%.*s%s"), wxMin(showlen, currlen - 4), comment,
(((currlen - 4) > showlen) ? "..." : "")),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
break;
default:
break;
}
// increment number of markers
nmarks++;
if (nmarks >= maxmarks)
break;
// increment offset
if (currmark == SOD_VAL)
offset += lastPsot - (offset - lastsotpos);
else
offset += (2 + currlen);
m_file->Seek(offset, wxFromStart);
done = 1;
break;
}
}
if (done)
continue;
else {
offset++;
m_file->Seek(offset, wxFromStart);
}
}
}

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/*
* 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.
*/
#include "OPJViewer.h"
/* defines */
#define SHORT_DESCR_LEN 32
#define LONG_DESCR_LEN 256
/* enumeration for file formats */
#define J2FILENUM 4
typedef enum {
JP2_FILE,
J2K_FILE,
MJ2_FILE,
UNK_FILE
} j2filetype;
/* enumeration for the box types */
#define J2BOXNUM 23
typedef enum {
FILE_BOX,
JP_BOX,
FTYP_BOX,
JP2H_BOX,
IHDR_BOX,
COLR_BOX,
JP2C_BOX,
JP2I_BOX,
XML_BOX,
UUID_BOX,
UINF_BOX,
MOOV_BOX,
MVHD_BOX,
TRAK_BOX,
TKHD_BOX,
MDIA_BOX,
MINF_BOX,
STBL_BOX,
STSD_BOX,
MJP2_BOX,
MDAT_BOX,
ANY_BOX,
UNK_BOX
} j2boxtype;
/* the box structure itself */
struct boxdef {
char value[5]; /* hexadecimal value/string*/
char name[SHORT_DESCR_LEN]; /* short description */
char descr[LONG_DESCR_LEN]; /* long description */
int sbox; /* is it a superbox? */
int req[J2FILENUM]; /* mandatory box */
j2boxtype ins; /* contained in box... */
};
/* the possible boxes */
struct boxdef j2box[];
/* macro functions */
/* From little endian to big endian, 2 and 4 bytes */
#define BYTE_SWAP2(X) ((X & 0x00FF) << 8) | ((X & 0xFF00) >> 8)
#define BYTE_SWAP4(X) ((X & 0x000000FF) << 24) | ((X & 0x0000FF00) << 8) | ((X & 0x00FF0000) >> 8) | ((X & 0xFF000000) >> 24)
#define BYTE_SWAP8(X) (((X & 0x00000000000000FF) << 56) | ((X & 0x000000000000FF00) << 40) | \
((X & 0x0000000000FF0000) << 24) | ((X & 0x00000000FF000000) << 8) | \
((X & 0x000000FF00000000) >> 8) | ((X & 0x0000FF0000000000) >> 24) | \
((X & 0x00FF000000000000) >> 40) | ((X & 0xFF00000000000000) >> 56))
/* From codestream to int values */
#define STREAM_TO_UINT32(C, P) (((unsigned long int) (C)[(P) + 0] << 24) + \
((unsigned long int) (C)[(P) + 1] << 16) + \
((unsigned long int) (C)[(P) + 2] << 8) + \
((unsigned long int) (C)[(P) + 3] << 0))
#define STREAM_TO_UINT16(C, P) (((unsigned long int) (C)[(P) + 0] << 8) + \
((unsigned long int) (C)[(P) + 1] << 0))
#define OPJREAD_LONG(F,L,N) { \
if (F->Read(fourbytes, 4) < 4) { \
wxLogMessage(wxT("Problem reading " N " from the file (file ended?)")); \
return -1; \
}; \
L = STREAM_TO_UINT32(fourbytes, 0); \
}
/* handling functions */
#define ITEM_PER_ROW 10
//#define indprint if (0) printf("%.*s", 2 * level + 9, indent), printf
char indent[] = " "
" "
" "
" ";
void indprint(wxString printout, int level)
{
wxLogMessage(/*wxString::Format(wxT("%.*s"), 2 * level + 9, indent) + */printout);
}
/* Box handler function */
int OPJParseThread::box_handler_function(int boxtype, wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit,
wxTreeItemId parentid, int level, char *scansign, unsigned long int *scanpoint)
{
switch ((j2boxtype) boxtype) {
/* JPEG 2000 Signature box */
case (JP_BOX): {
unsigned long int checkdata = 0;
fileid->Read(&checkdata, sizeof(unsigned long int));
checkdata = BYTE_SWAP4(checkdata);
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Check data: %X -> %s"), checkdata, (checkdata == 0x0D0A870A) ? wxT("OK") : wxT("KO")),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/* JPEG 2000 codestream box */
case (JP2C_BOX): {
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString(wxT("Codestream")),
m_tree->TreeCtrlIcon_Folder, m_tree->TreeCtrlIcon_Folder + 1,
new OPJMarkerData(wxT("INFO-CSTREAM"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
m_tree->SetItemHasChildren(currid);
// parse the file
//ParseJ2KFile(fileid, filepoint, filelimit, currid);
};
break;
/* File Type box */
case (FTYP_BOX): {
char BR[4], CL[4];
unsigned long int MinV, numCL, i;
fileid->Read(BR, sizeof(char) * 4);
fileid->Read(&MinV, sizeof(unsigned long int));
MinV = BYTE_SWAP4(MinV);
numCL = (filelimit - fileid->Tell()) / 4;
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Brand/Minor version: %.4s/%d"), BR, MinV),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Compatibility list")),
m_tree->TreeCtrlIcon_Folder, m_tree->TreeCtrlIcon_Folder + 1,
new OPJMarkerData(wxT("INFO"))
);
for (i = 0; i < numCL; i++) {
fileid->Read(CL, sizeof(char) * 4);
m_tree->AppendItem(currid,
wxString::Format(wxT("%.4s"), CL),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
};
break;
/* JP2 Header box */
case (IHDR_BOX): {
unsigned long int height, width;
unsigned short int nc;
unsigned char bpc, C, UnkC, IPR;
fileid->Read(&height, sizeof(unsigned long int));
height = BYTE_SWAP4(height);
fileid->Read(&width, sizeof(unsigned long int));
width = BYTE_SWAP4(width);
fileid->Read(&nc, sizeof(unsigned short int));
nc = BYTE_SWAP2(nc);
fileid->Read(&bpc, sizeof(unsigned char));
fileid->Read(&C, sizeof(unsigned char));
fileid->Read(&UnkC, sizeof(unsigned char));
fileid->Read(&IPR, sizeof(unsigned char));
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Dimensions: %d x %d x %d @ %d bpc"), width, height, nc, bpc + 1),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Compression type: %d"), C),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Colourspace unknown: %d"), UnkC),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Intellectual Property Rights: %d"), IPR),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/* Colour Specification box */
case (COLR_BOX): {
unsigned char METH, PREC, APPROX;
char methdescr[80], enumcsdescr[80];
unsigned long int EnumCS;
fileid->Read(&METH, sizeof(unsigned char));
switch (METH) {
case 1:
strcpy(methdescr, "Enumerated Colourspace");
break;
case 2:
strcpy(methdescr, "Restricted ICC profile");
break;
default:
strcpy(methdescr, "Unknown");
break;
};
fileid->Read(&PREC, sizeof(unsigned char));
fileid->Read(&APPROX, sizeof(unsigned char));
if (METH != 2) {
fileid->Read(&EnumCS, sizeof(unsigned long int));
EnumCS = BYTE_SWAP4(EnumCS);
switch (EnumCS) {
case 16:
strcpy(enumcsdescr, "sRGB");
break;
case 17:
strcpy(enumcsdescr, "greyscale");
break;
case 18:
strcpy(enumcsdescr, "sYCC");
break;
default:
strcpy(enumcsdescr, "Unknown");
break;
};
};
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Specification method: %d (%s)"), METH, methdescr),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Precedence: %d"), PREC),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Colourspace approximation: %d"), APPROX),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
if (METH != 2)
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Enumerated colourspace: %d (%s)"), EnumCS, enumcsdescr),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
if (METH != 1)
currid = m_tree->AppendItem(parentid,
wxString::Format("ICC profile: there is one"),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/* Movie Header Box */
case (MVHD_BOX): {
unsigned long int version, rate, matrix[9], next_track_ID;
unsigned short int volume;
fileid->Read(&version, sizeof(unsigned long int));
version = BYTE_SWAP4(version);
if (version == 0) {
unsigned long int creation_time, modification_time, timescale, duration;
fileid->Read(&creation_time, sizeof(unsigned long int));
creation_time = BYTE_SWAP4(creation_time);
fileid->Read(&modification_time, sizeof(unsigned long int));
modification_time = BYTE_SWAP4(modification_time);
fileid->Read(&timescale, sizeof(unsigned long int));
timescale = BYTE_SWAP4(timescale);
fileid->Read(&duration, sizeof(unsigned long int));
duration = BYTE_SWAP4(duration);
const long unix_time = creation_time - 2082844800L;
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Creation time: %u (%.24s)"), creation_time, ctime(&unix_time)),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
const long unix_time1 = modification_time - 2082844800L;
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Modification time: %u (%.24s)"), modification_time, ctime(&unix_time1)),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Timescale: %u (%.6fs)"), timescale, 1.0 / (float) timescale),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Duration: %u (%.3fs)"), duration, (float) duration / (float) timescale),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
} else {
unsigned __int64 creation_time, modification_time, duration;
unsigned long int timescale;
fileid->Read(&creation_time, sizeof(unsigned __int64));
creation_time = BYTE_SWAP8(creation_time);
fileid->Read(&modification_time, sizeof(unsigned __int64));
modification_time = BYTE_SWAP8(modification_time);
fileid->Read(&timescale, sizeof(unsigned long int));
timescale = BYTE_SWAP4(timescale);
fileid->Read(&duration, sizeof(unsigned __int64));
duration = BYTE_SWAP8(duration);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Creation time: %u"), creation_time),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Modification time: %u"), modification_time),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Timescale: %u"), timescale),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Duration: %u"), duration),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
fileid->Read(&rate, sizeof(unsigned long int));
rate = BYTE_SWAP4(rate);
fileid->Read(&volume, sizeof(unsigned short int));
volume = BYTE_SWAP2(volume);
fileid->Seek(6, wxFromCurrent);
fileid->Read(&matrix, sizeof(unsigned char) * 9);
fileid->Seek(4, wxFromCurrent);
fileid->Read(&next_track_ID, sizeof(unsigned long int));
next_track_ID = BYTE_SWAP4(next_track_ID);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Rate: %d (%d.%d)"), rate, rate >> 16, rate & 0x0000FFFF),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Volume: %d (%d.%d)"), volume, volume >> 8, volume & 0x00FF),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Next track ID: %d"), next_track_ID),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/* Sample Description box */
case (STSD_BOX): {
unsigned long int version, entry_count;
fileid->Read(&version, sizeof(unsigned long int));
version = BYTE_SWAP4(version);
fileid->Read(&entry_count, sizeof(unsigned long int));
entry_count = BYTE_SWAP4(entry_count);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Entry count: %d"), entry_count),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
jpeg2000parse(fileid, filepoint + 8, filelimit, parentid, level + 1, scansign, scanpoint);
};
break;
/* MJP2 Sample Description box */
case (MJP2_BOX): {
unsigned short int height, width, depth;
unsigned long int horizresolution, vertresolution;
char compressor_name[32];
fileid->Seek(24, wxFromCurrent);
fileid->Read(&width, sizeof(unsigned short int));
width = BYTE_SWAP2(width);
fileid->Read(&height, sizeof(unsigned short int));
height = BYTE_SWAP2(height);
fileid->Read(&horizresolution, sizeof(unsigned long int));
horizresolution = BYTE_SWAP4(horizresolution);
fileid->Read(&vertresolution, sizeof(unsigned long int));
vertresolution = BYTE_SWAP4(vertresolution);
fileid->Seek(6, wxFromCurrent);
fileid->Read(compressor_name, sizeof(char) * 32);
fileid->Read(&depth, sizeof(unsigned short int));
depth = BYTE_SWAP2(depth);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Dimensions: %d x %d @ %d bpp"), width, height, depth),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Resolution: %d.%d x %d.%d"), horizresolution >> 16, horizresolution & 0x0000FFFF,
vertresolution >> 16, vertresolution & 0x0000FFFF),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Compressor: %.32s"), compressor_name),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
jpeg2000parse(fileid, filepoint + 78, filelimit, parentid, level + 1, scansign, scanpoint);
};
break;
/* not yet implemented */
default:
break;
};
return (0);
}
/* jp2 family box signatures */
#define FILE_SIGN ""
#define JP_SIGN "jP\040\040"
#define FTYP_SIGN "ftyp"
#define JP2H_SIGN "jp2h"
#define IHDR_SIGN "ihdr"
#define COLR_SIGN "colr"
#define JP2C_SIGN "jp2c"
#define JP2I_SIGN "jp2i"
#define XML_SIGN "xml\040"
#define UUID_SIGN "uuid"
#define UINF_SIGN "uinf"
#define MOOV_SIGN "moov"
#define MVHD_SIGN "mvhd"
#define TRAK_SIGN "trak"
#define TKHD_SIGN "tkhd"
#define MDIA_SIGN "mdia"
#define MINF_SIGN "minf"
#define STBL_SIGN "stbl"
#define STSD_SIGN "stsd"
#define MJP2_SIGN "mjp2"
#define MDAT_SIGN "mdat"
#define ANY_SIGN ""
#define UNK_SIGN ""
/* the possible boxes */
struct boxdef j2box[] =
{
/* sign */ {FILE_SIGN,
/* short */ "placeholder for nothing",
/* long */ "Nothing to say",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {JP_SIGN,
/* short */ "JPEG 2000 Signature box",
/* long */ "This box uniquely identifies the file as being part of the JPEG 2000 family of files",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {FTYP_SIGN,
/* short */ "File Type box",
/* long */ "This box specifies file type, version and compatibility information, including specifying if this file "
"is a conforming JP2 file or if it can be read by a conforming JP2 reader",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {JP2H_SIGN,
/* short */ "JP2 Header box",
/* long */ "This box contains a series of boxes that contain header-type information about the file",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {IHDR_SIGN,
/* short */ "Image Header box",
/* long */ "This box specifies the size of the image and other related fields",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ JP2H_BOX},
/* sign */ {COLR_SIGN,
/* short */ "Colour Specification box",
/* long */ "This box specifies the colourspace of the image",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ JP2H_BOX},
/* sign */ {JP2C_SIGN,
/* short */ "Contiguous Codestream box",
/* long */ "This box contains the codestream as defined by Annex A",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {JP2I_SIGN,
/* short */ "Intellectual Property box",
/* long */ "This box contains intellectual property information about the image",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {XML_SIGN,
/* short */ "XML box",
/* long */ "This box provides a tool by which vendors can add XML formatted information to a JP2 file",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {UUID_SIGN,
/* short */ "UUID box",
/* long */ "This box provides a tool by which vendors can add additional information to a file "
"without risking conflict with other vendors",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {UINF_SIGN,
/* short */ "UUID Info box",
/* long */ "This box provides a tool by which a vendor may provide access to additional information associated with a UUID",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {MOOV_SIGN,
/* short */ "Movie box",
/* long */ "This box contains the media data. In video tracks, this box would contain JPEG2000 video frames",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {MVHD_SIGN,
/* short */ "Movie Header box",
/* long */ "This box defines overall information which is media-independent, and relevant to the entire presentation "
"considered as a whole",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MOOV_BOX},
/* sign */ {TRAK_SIGN,
/* short */ "Track box",
/* long */ "This is a container box for a single track of a presentation. A presentation may consist of one or more tracks",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ MOOV_BOX},
/* sign */ {TKHD_SIGN,
/* short */ "Track Header box",
/* long */ "This box specifies the characteristics of a single track. Exactly one Track Header Box is contained in a track",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ TRAK_BOX},
/* sign */ {MDIA_SIGN,
/* short */ "Media box",
/* long */ "The media declaration container contains all the objects which declare information about the media data "
"within a track",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ TRAK_BOX},
/* sign */ {MINF_SIGN,
/* short */ "Media Information box",
/* long */ "This box contains all the objects which declare characteristic information of the media in the track",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ MDIA_BOX},
/* sign */ {STBL_SIGN,
/* short */ "Sample Table box",
/* long */ "The sample table contains all the time and data indexing of the media samples in a track",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ MINF_BOX},
/* sign */ {STSD_SIGN,
/* short */ "Sample Description box",
/* long */ "The sample description table gives detailed information about the coding type used, and any initialization "
"information needed for that coding",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MINF_BOX},
/* sign */ {MJP2_SIGN,
/* short */ "MJP2 Sample Description box",
/* long */ "The MJP2 sample description table gives detailed information about the coding type used, and any initialization "
"information needed for that coding",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MINF_BOX},
/* sign */ {MDAT_SIGN,
/* short */ "Media Data box",
/* long */ "The meta-data for a presentation is stored in the single Movie Box which occurs at the top-level of a file",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {ANY_SIGN,
/* short */ "Any box",
/* long */ "All the existing boxes",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {UNK_SIGN,
/* short */ "Unknown Type box",
/* long */ "The signature is not recognised to be that of an existing box",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ ANY_BOX}
};
void OPJParseThread::ParseJP2File(wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit, wxTreeItemId parentid)
{
unsigned long int scanpoint;
jpeg2000parse(fileid, filepoint, filelimit, parentid, 0, NULL, &scanpoint);
}
/* the parsing function itself */
/*
fileid = fid of the file to scan (you should open it by yourself)
filepoint = first byte where to start to scan from (usually 0)
filelimit = first byte where to stop to scan from (usually the file size)
level = set this to 0
scansign = signature to scan for (NULL avoids search, returns " " if successful)
scanpoint = point where the scan signature lies
*/
int OPJParseThread::jpeg2000parse(wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit,
wxTreeItemId parentid, int level, char *scansign, unsigned long int *scanpoint)
{
unsigned long int LBox = 0x00000000;
int LBox_read;
char TBox[5] = "\0\0\0\0";
int TBox_read;
__int64 XLBox = 0x0000000000000000;
int XLBox_read;
unsigned long int box_length = 0;
int last_box = 0, box_num = 0;
int box_type = ANY_BOX;
unsigned char onebyte[1], twobytes[2], fourbytes[4];
/* cycle all over the file */
box_num = 0;
last_box = 0;
while (!last_box) {
/* do not exceed file limit */
if (filepoint >= filelimit)
return (0);
/* seek on file */
if (fileid->Seek(filepoint, wxFromStart) == wxInvalidOffset)
return (-1);
/* read the mandatory LBox, 4 bytes */
if (fileid->Read(fourbytes, 4) < 4) {
WriteText(wxT("Problem reading LBox from the file (file ended?)"));
return -1;
};
LBox = STREAM_TO_UINT32(fourbytes, 0);
/* read the mandatory TBox, 4 bytes */
if (fileid->Read(TBox, 4) < 4) {
WriteText(wxT("Problem reading TBox from the file (file ended?)"));
return -1;
};
/* look if scansign is got */
if ((scansign != NULL) && (memcmp(TBox, scansign, 4) == 0)) {
memcpy(scansign, " ", 4);
*scanpoint = filepoint;
/* hack/exploit */
// stop as soon as you find the codebox
return (0);
};
/* determine the box type */
for (box_type = JP_BOX; box_type < UNK_BOX; box_type++)
if (memcmp(TBox, j2box[box_type].value, 4) == 0)
break;
/* read the optional XLBox, 8 bytes */
if (LBox == 1) {
if (fileid->Read(&XLBox, 8) < 8) {
WriteText(wxT("Problem reading XLBox from the file (file ended?)"));
return -1;
};
box_length = (unsigned long int) BYTE_SWAP8(XLBox);
} else if (LBox == 0x00000000) {
/* last box in file */
last_box = 1;
box_length = filelimit - filepoint;
} else
box_length = LBox;
/* show box info */
// append the marker
int image, imageSel;
image = m_tree->TreeCtrlIcon_Folder;
imageSel = image + 1;
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("%03d: %s (0x%04X)"), box_num, TBox,
((unsigned long int) TBox[3]) + ((unsigned long int) TBox[2] << 8) +
((unsigned long int) TBox[1] << 16) + ((unsigned long int) TBox[0] << 24)
),
image, imageSel,
new OPJMarkerData(wxT("BOX"), m_tree->m_fname.GetFullPath(), filepoint, filepoint + box_length)
);
// append some info
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
// box name
wxTreeItemId subcurrid1 = m_tree->AppendItem(currid,
wxT("*** ") + wxString(j2box[box_type].name) + wxT(" ***"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
m_tree->SetItemFont(subcurrid1, *wxITALIC_FONT);
// position and length
wxTreeItemId subcurrid2 = m_tree->AppendItem(currid,
wxLongLong(filepoint).ToString() + wxT(" > ") + wxLongLong(filepoint + box_length - 1).ToString() +
wxT(", ") + wxString::Format(wxT("%d + 8 (%d)"), box_length, box_length + 8),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
/* go deep in the box */
box_handler_function((int) box_type, fileid, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length,
currid, level, scansign, scanpoint);
/* if it's a superbox go inside it */
if (j2box[box_type].sbox)
jpeg2000parse(fileid, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length,
currid, level + 1, scansign, scanpoint);
/* increment box number and filepoint*/
box_num++;
filepoint += box_length;
};
/* all good */
return (0);
}