// Starts decoding of the new bitmap. If previous decoding is still running,
// it will be stopped and all intermediate results will be discarded.
void Startbitmapdecoding(t_procdata *pdata,uchar *data,int sizex,int sizey) {
// Free resources allocated for the previous bitmap. User may want to
// browse bitmap while and after it is processed.
Freeprocdata(pdata);
memset(pdata,0,sizeof(t_procdata));
pdata->data=data;
pdata->sizex=sizex;
pdata->sizey=sizey;
pdata->blockborder=0.0; // Autoselect
pdata->step=1;
if (bestquality)
pdata->mode|=M_BEST;
Updatebuttons();
};
// Main PaperBack program.
int PASCAL WinMain(HINSTANCE hi,HINSTANCE hprev,LPSTR cmdline,int show) {
int dx,dy,isbitmap;
char path[MAXPATH],drv[MAXDRIVE],dir[MAXDIR],fil[MAXFILE];
char s[TEXTLEN],inifile[MAXPATH];
WNDCLASS wc;
MSG msg;
TW_UINT16 result;
// Save the instance.
hinst=hi;
// Very Advanced Controls like Magnificious Supertabs are used here.
InitCommonControls();
// Create custom GDI objects.
graybrush=CreateSolidBrush(GetSysColor(COLOR_3DFACE));
// Create name of initialization file.
GetModuleFileName(NULL,path,MAXPATH);
fnsplit(path,drv,dir,fil,NULL);
fnmerge(inifile,drv,dir,fil,".ini");
// Get settings from the initialization file.
GetPrivateProfileString("Settings","Infile","",infile,MAXPATH,inifile);
GetPrivateProfileString("Settings","Inbmp","",inbmp,MAXPATH,inifile);
GetPrivateProfileString("Settings","Outfile","",outfile,MAXPATH,inifile);
GetPrivateProfileString("Settings","Outbmp","",outbmp,MAXPATH,inifile);
dpi=GetPrivateProfileInt("Settings","Raster",200,inifile);
dotpercent=GetPrivateProfileInt("Settings","Dot size",70,inifile);
compression=GetPrivateProfileInt("Settings","Compression",2,inifile);
redundancy=GetPrivateProfileInt("Settings","Redundancy",5,inifile);
printheader=GetPrivateProfileInt("Settings","Header and footer",1,inifile);
printborder=GetPrivateProfileInt("Settings","Border",0,inifile);
autosave=GetPrivateProfileInt("Settings","Autosave",1,inifile);
bestquality=GetPrivateProfileInt("Settings","Best quality",1,inifile);
encryption=GetPrivateProfileInt("Settings","Encryption",0,inifile);
opentext=GetPrivateProfileInt("Settings","Open password",0,inifile);
// Get printer's page size.
marginunits=GetPrivateProfileInt("Settings","Margin units",0,inifile);
marginleft=GetPrivateProfileInt("Settings","Margin left",1000,inifile);
marginright=GetPrivateProfileInt("Settings","Margin right",400,inifile);
margintop=GetPrivateProfileInt("Settings","Margin top",400,inifile);
marginbottom=GetPrivateProfileInt("Settings","Margin bottom",500,inifile);
// Register class of main window.
wc.style=CS_OWNDC;
wc.lpfnWndProc=Mainwp;
wc.cbClsExtra=wc.cbWndExtra=0;
wc.hInstance=hinst;
wc.hIcon=LoadIcon(hinst,"ICON_MAIN");
wc.hCursor=LoadCursor(NULL,IDC_ARROW);
wc.hbrBackground=graybrush;
wc.lpszMenuName=NULL;
wc.lpszClassName=MAINCLASS;
if (!RegisterClass(&wc))
return 1;
// Create main window. It will accept drag-and-drop files.
dx=min(GetSystemMetrics(SM_CXSCREEN),MAINDX);
dy=min(GetSystemMetrics(SM_CYSCREEN),MAINDY);
hmenu=LoadMenu(hinst,"MENU_MAIN");
hwmain=CreateWindowEx(
WS_EX_ACCEPTFILES,
MAINCLASS,"PaperBack",
WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX|
WS_CLIPCHILDREN|WS_VISIBLE,
CW_USEDEFAULT,CW_USEDEFAULT,dx,dy,
NULL,hmenu,hinst,NULL);
if (hwmain==NULL)
return 1;
// Create controls in the window.
if (Createcontrols()!=0)
return 1;
// Load TWAIN interface. Failure is not critical - we still can print data!
twainstate=1;
if (LoadTWAINlibrary()==0) {
EnableMenuItem(hmenu,M_FILE_SELECT,MF_BYCOMMAND|MF_GRAYED);
EnableMenuItem(hmenu,M_FILE_ACQUIRE,MF_BYCOMMAND|MF_GRAYED); };
Updatebuttons();
// Initialize printer settings.
Initializeprintsettings();
// And now, the main Windows loop.
while (1) {
// Check if there are some unprocessed Windows messages and process them at
// once.
while (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) {
// Pass all messages to the TWAIN interface.
result=TWRC_NOTDSEVENT;
if (twainstate>=5)
result=(TW_UINT16)PassmessagetoTWAIN(&msg);
// If message was not processed by TWAIN, it must be processed by
// the application.
if (result==TWRC_NOTDSEVENT) {
// Pass keyboard messages first to block display.
if (msg.message!=WM_KEYDOWN || Changeblockselection(msg.wParam)==1) {
TranslateMessage(&msg);
DispatchMessage(&msg);
};
};
};
if (msg.message==WM_QUIT) break;
// Execute next steps of data decoding and file printing.
if (procdata.step!=0)
Nextdataprocessingstep(&procdata);
else if (printdata.step!=0)
Nextdataprintingstep(&printdata);
// Some TWAIN drivers require very frequent calls when scanning, don't
// sleep.
if (twainstate>=5)
continue;
// Check whether new printing or decoding task can be executed.
if (procdata.step==0 && printdata.step==0) {
isbitmap=Getfilefromqueue(path);
if (isbitmap==0) Printfile(path,NULL);
else if (isbitmap==1) Decodebitmap(path); };
// If we have nothing to do, be kind to other applications.
if (twainstate<5 && procdata.step==0 && printdata.step==0 &&
GetQueueStatus(QS_ALLINPUT)==0
) {
Sleep(1); // Reduces CPU time practically to zero
};
};
// Save settings to the initialization file.
WritePrivateProfileString("Settings","Infile",infile,inifile);
WritePrivateProfileString("Settings","Inbmp",inbmp,inifile);
WritePrivateProfileString("Settings","Outfile",outfile,inifile);
WritePrivateProfileString("Settings","Outbmp",outbmp,inifile);
sprintf(s,"%i",dpi);
WritePrivateProfileString("Settings","Raster",s,inifile);
sprintf(s,"%i",dotpercent);
WritePrivateProfileString("Settings","Dot size",s,inifile);
sprintf(s,"%i",compression);
WritePrivateProfileString("Settings","Compression",s,inifile);
sprintf(s,"%i",redundancy);
WritePrivateProfileString("Settings","Redundancy",s,inifile);
sprintf(s,"%i",printheader);
WritePrivateProfileString("Settings","Header and footer",s,inifile);
sprintf(s,"%i",printborder);
WritePrivateProfileString("Settings","Border",s,inifile);
sprintf(s,"%i",autosave);
WritePrivateProfileString("Settings","Autosave",s,inifile);
sprintf(s,"%i",bestquality);
WritePrivateProfileString("Settings","Best quality",s,inifile);
sprintf(s,"%i",encryption);
WritePrivateProfileString("Settings","Encryption",s,inifile);
sprintf(s,"%i",opentext);
WritePrivateProfileString("Settings","Open password",s,inifile);
// Save printer's page size.
if (pagesetup.Flags & PSD_INTHOUSANDTHSOFINCHES) marginunits=1;
else if (pagesetup.Flags & PSD_INHUNDREDTHSOFMILLIMETERS) marginunits=2;
else marginunits=0;
if (marginunits) {
sprintf(s,"%i",marginunits);
WritePrivateProfileString("Settings","Margin units",s,inifile);
sprintf(s,"%i",pagesetup.rtMargin.left);
WritePrivateProfileString("Settings","Margin left",s,inifile);
sprintf(s,"%i",pagesetup.rtMargin.right);
WritePrivateProfileString("Settings","Margin right",s,inifile);
sprintf(s,"%i",pagesetup.rtMargin.top);
WritePrivateProfileString("Settings","Margin top",s,inifile);
sprintf(s,"%i",pagesetup.rtMargin.bottom);
WritePrivateProfileString("Settings","Margin bottom",s,inifile);
;
};
// Clear password. It's a bad idea to keep password in the swap file after
// shutdown.
memset(password,0,sizeof(password));
// Clean up.
Freeprocdata(&procdata);
Stopprinting(&printdata);
CloseTWAINmanager();
CloseTWAINlibrary();
Closeprintsettings();
// Destroy objects.
DeleteObject(graybrush);
return 0;
};
