[cups.general] CUPS without raster filter

[Michael R Sweet]

shermin wrote:
> Hi,
> 
> 1)I am trying to print one .png or bmp file using my custom usb backend and in the error log it says
> Started filter /usr/lib/cups/filter/pstops (PID 31245)
> Started filter /usr/lib/cups/filter/pstoraster (PID 31246)
> 
> But while printing bmp files or image file filter started should be imagetoraster right.But for me that is not showing.
> 
> What could be the reason

Are you printing from the command-line or from an application?

> I am trying to send the commands to the printer in my custom usb backend.
> 2)Also in my vendor specific card printer i need to sent color bits to my printer rather than sending the raster data by pixels as such.Is there any method to get color bits from cups raster data???

Of course, just include the appropriate setpagedevice commands in your
PPD to change the default cupsColorSpace, cupsBitsPerColor, and
cupsColorOrder to match what your backend needs.

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Michael R Sweet                        Senior Printing System Engineer