Communication With Scheduler

[kavin]

Hi,


   Thanks to reply to me,

I want to update the PPD option Ribbon Model which was described in Installable options in PPD file , for that i wrote a code that detects the USB port and send the command to read the ribbon type ,and placed in my filter file's main function,the code is follows

             int Printer_Id=open_printer_fd();
             get_Ribbon_model(Printer_Id);

whenever i invoking above code i am getting error in Printer Dialog Box that follows
    Printer State: idle-/usr/lib/cups/filter/rastertolabel failed

But in separately the code works fine,in case with filter code only it makes like that error.

pls guide me to resolve the problem

Thanking You
Kavin



> On Nov 9, 2009, at 3:27 AM, kavin wrote:
> > ...
> >  please Give the Example code to update the PPD
>
>
> Say you have a PPD containing an installable option called OptionDuplex:
>
>      *OpenUI *OptionDuplex/Duplexer Installed: Boolean
>      *OrderDependency: 10 AnySetup *OptionDuplex
>      *DefaultOptionDuplex: True
>      *OptionDuplex False/Not Installed: ""
>      *OptionDuplex True/Installed: ""
>      *CloseUI: *OptionDuplex
>
> Your filter(s) can update the state of this installable option using:
>
>      if (duplexer is present)
>        fputs("PPD: OptionDuplex=True\n", stderr);
>      else
>        fputs("PPD: OptionDuplex=False\n", stderr);
>
> ___________________________________________________
> Michael Sweet, Senior Printing System Engineer
>
>
>