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Service.cpp
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Service.cpp
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////////////////////////////////////////////////////////////////////////////////
// //
// MRPODS -- Machine-Readable Printed Optical Data Sheets //
// https://arxiv.org/abs/2312.10275 //
// //
// Copyright (c) 2024 Artem Doll //
// Copyright (c) 2007 Oleh Yuschuk //
// //
// This file is part of MRPODS, which is built off //
// Oleh Yuschuk's PaperBack https://ollydbg.de/Paperbak/ //
// MRPODS is cumulative work of passionate programmers, //
// both named and unnamed, including freelancers and private contractors. //
// Without them, this would not be possible. //
// This software contains Oleh Yuschuk's original comments and //
// comments from other maintainers. //
// //
// MRPODS is free software; you can redistribute it and/or modify it under //
// the terms of the GNU General Public License as published by the Free //
// Software Foundation; either version 3 of the License, or (at your option) //
// any later version. //
// //
// MRPODS is distributed in the hope that it will be useful, but WITHOUT //
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or //
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for //
// more details. //
// //
// You should have received a copy of the GNU General Public License along //
// with this program. If not, see <http://www.gnu.org/licenses/>. //
// //
// bzip2 license //
// -------------------------------------------------------------------------- //
// "bzip2", the associated library "libbzip2" copyright(C) 1996 - 2010 //
// Julian R Seward. All rights reserved. //
// Julian Seward, jseward@acm.org //
// bzip2 / libbzip2 version 1.0.6 of 6 September 2010 //
// //
// -------------------------------------------------------------------------- //
// //
////////////////////////////////////////////////////////////////////////////////
#include <windows.h>
#include <commctrl.h>
#include <stdio.h>
#include <direct.h>
#include <math.h>
#include "twain.h"
#pragma hdrstop
#include "mrpods.h"
#include "resource.h"
////////////////////////////////////////////////////////////////////////////////
//////////////////////////// FILE-RELATED ROUTINES /////////////////////////////
// Converts file date and time into the text according to system defaults and
// places into the string s of length n. Returns number of characters in s.
int Filetimetotext(FILETIME *fttime,char *s,int n) {
int l;
SYSTEMTIME sttime;
FileTimeToSystemTime(fttime,&sttime);
l=GetDateFormat(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&sttime,NULL,s,n);
s[l-1]=' '; // Yuck, that's Windows
l+=GetTimeFormat(LOCALE_USER_DEFAULT,TIME_NOSECONDS,&sttime,NULL,s+l,n-l);
return l;
};
// Asks user to enter the name of the input data file (infile). Returns 0 on
// success and -1 on error or if user pressed Cancel.
int Selectinfile(void) {
OPENFILENAME ofn;
memset(&ofn,0,sizeof(ofn));
// Correct Windows bu... feature.
ofn.lStructSize=min(OPENFILENAME_SIZE_VERSION_400,sizeof(ofn));
ofn.hwndOwner=hwmain;
ofn.hInstance=hinst;
ofn.lpstrFilter="Any file (*.*)\0*.*\0\0";
ofn.lpstrFile=infile;
ofn.nMaxFile=sizeof(infile);
ofn.lpstrTitle="Select file to process";
ofn.Flags=OFN_FILEMUSTEXIST|OFN_LONGNAMES;
return (GetOpenFileName(&ofn)==0?-1:0);
};
// Asks user to enter the name of the output data file (outfile). Returns 0 on
// success and -1 on error or if user pressed Cancel.
int Selectoutfile(char defname[64]) {
char s[65], drv[_MAX_DRIVE + 1], dir[_MAX_DIR], fil[_MAX_FNAME], ext[_MAX_EXT];
OPENFILENAME ofn;
// Split old path into components.
fnsplit(outfile, drv, dir, fil, ext);
// Substitute name and extension by those from the bitmap.
strncpy(s, defname, sizeof(s) - 1); // Use sizeof to ensure buffer size accuracy
s[sizeof(s) - 1] = '\0'; // Explicitly null-terminate the string
fnsplit(s, NULL, NULL, fil, ext);
fnmerge(outfile, drv, dir, fil, ext);
// Call standard Save File dialog.
memset(&ofn, 0, sizeof(ofn));
ofn.lStructSize = min(OPENFILENAME_SIZE_VERSION_400, sizeof(ofn));
ofn.hwndOwner = hwmain;
ofn.hInstance = hinst;
ofn.lpstrFilter = "Any file (*.*)\0*.*\0\0";
ofn.lpstrFile = outfile;
ofn.nMaxFile = sizeof(outfile);
ofn.lpstrTitle = "Save file as";
ofn.Flags = OFN_LONGNAMES;
return (GetSaveFileName(&ofn) == 0 ? -1 : 0);
};
// Asks user to enter the name of the input bitmap file (inbmp). Returns 0 on
// success and -1 on error or if user pressed Cancel.
int Selectinbmp(void) {
OPENFILENAME ofn;
memset(&ofn,0,sizeof(ofn));
ofn.lStructSize=min(OPENFILENAME_SIZE_VERSION_400,sizeof(ofn));
ofn.hwndOwner=hwmain;
ofn.hInstance=hinst;
ofn.lpstrFilter="Bitmap file (*.bmp)\0*.bmp\0Any file (*.*)\0*.*\0\0";
ofn.lpstrFile=inbmp;
ofn.nMaxFile=sizeof(inbmp);
ofn.lpstrTitle="Decode bitmap";
ofn.Flags=OFN_FILEMUSTEXIST|OFN_LONGNAMES;
ofn.lpstrDefExt="bmp";
return (GetOpenFileName(&ofn)==0?-1:0);
};
// Asks user to enter the name of the output bitmap file (outbmp). Returns 0 on
// success and -1 on error or if user pressed Cancel.
int Selectoutbmp(void) {
char drv[_MAX_DRIVE+1],dir[_MAX_DIR],fil[_MAX_FNAME],ext[_MAX_EXT];
OPENFILENAME ofn;
// Split old path into components.
fnsplit(outbmp,drv,dir,fil,ext);
// Substitute bitmap name by that of input file and set extention to .bmp.
fnsplit(infile,NULL,NULL,fil,NULL);
if (ext[0]=='\0') strcpy(ext,".bmp");
fnmerge(outbmp,drv,dir,fil,ext);
// Call standard Save File dialog.
memset(&ofn,0,sizeof(ofn));
ofn.lStructSize=min(OPENFILENAME_SIZE_VERSION_400,sizeof(ofn));
ofn.hwndOwner=hwmain;
ofn.hInstance=hinst;
ofn.lpstrFilter="Bitmap file (*.bmp)\0*.bmp\0Any file (*.*)\0*.*\0\0";
ofn.lpstrFile=outbmp;
ofn.nMaxFile=sizeof(outbmp);
ofn.lpstrTitle="Save bitmap as";
ofn.Flags=OFN_LONGNAMES;
ofn.lpstrDefExt="bmp";
return (GetSaveFileName(&ofn)==0?-1:0);
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////// FILE QUEUE //////////////////////////////////
#define NQUEUE 128 // Max number of pending bitmaps
typedef struct t_queue { // Element of queue of pending tasks
char path[MAX_PATH]; // File to process
int isbitmap; // 0: print, 1: decode bitmap
} t_queue;
static t_queue queue[NQUEUE]; // Queue of pending tasks
static int nqueue; // Actual number of pending tasks
// Removes all files from the queue of pending tasks.
void Clearqueue(void) {
nqueue=0;
};
// Returns number of free slots in the queue of pending tasks.
int Getqueuefreecount(void) {
return NQUEUE-nqueue;
};
// Adds task to queue (isbitmap=0: print data, 1: decode bitmap). Returns 0 if
// file is posted and -1 if queue is full.
int Addfiletoqueue(char *path,int isbitmap) {
if (nqueue>=NQUEUE) {
Reporterror("Input queue full");
return -1; }
else {
strcpy(queue[nqueue].path,path);
queue[nqueue].isbitmap=isbitmap;
nqueue++;
return 0;
};
};
// Gets file from the queue of pending tasks. If queue is empty, returns -1.
// Otherwise, gets file name and returns requested action (0: print data, 1:
// decode bitmap).
int Getfilefromqueue(char *path) {
int isbitmap;
if (nqueue==0)
return -1; // Input queue is empty
strcpy(path,queue[0].path);
isbitmap=queue[0].isbitmap;
// YES, this solution is not professional. But it works. Period.
nqueue--;
if (nqueue>0)
memmove(queue+0,queue+1,nqueue*sizeof(t_queue));
return isbitmap;
};