ppd file question

Michael Sweet mike at easysw.com
Fri Jan 23 06:33:24 PST 2009


jayacharan.rampog wrote:
>> Jayacharan Rampog wrote:
>>> hi,
>>>
>>> I am developing driver for Thermal printer,which will work with raster filter,it's priontg properly but not with my dpi's.because,in my ppd I mentioned the default resolution 180x180dpi,but when i'm trying to ACCESS/READ through Pageheader it's reading 100x100dpi.
>>>
>>> how i know this is,in my filter i have added the line follwing:
>>>
>>> printf("%d\t%d\n",header->HWResolution[0],header->HWResolution[1]);
>>>
>>> o/p: 100   100
>>>
>>> in ppd file resolution like below:
>>>
>>> DefaultResolution: 180x180dpi
>>> *Resolution 180x180dpi: "<</HWResolution[180 180]/cupsBitsPerColor 1/cupsBitsPerPixel 1/cupsRowCount 8/cupsRowFeed 0/cupsRowStep 0/cupsColorSpace 3>>setpagedevice"
>>>
>>>
>>> what may be the problem why i'm not getting exact dpi which i mentioned my ppd file?
>> Look at the error_log output to see if Ghostscript is interpreting
>> your code correctly.
>>
>> Also, try printing image files from the command-line to see if the
>> imagetoraster filter handles things better...
>>
>> --
>> ______________________________________________________________________
>> Michael R Sweet                        Senior Printing System Engineer
>>
> thank you sir,
> 
> i am working in debian linux,so that i can't able to see the error_log,because i can't able to login as root,and one more thing when i testing with FEDORA 7,also i am getting same 100x100dpi,now also same.
> 
> imagetoraster filter is working with my printer.
> 
> i can print any type of file ,only except required dpi,
> 
> i think page header couldn't able to ppd file properly?
> 
> suggest me sir.

File a bug on ghostscript.com.  This is NOT a CUPS bug.

-- 
______________________________________________________________________
Michael Sweet, Easy Software Products           mike at easysw dot com




More information about the cups-devel mailing list