kdeprint quality problems

[Antoine Jacoutot]

Selon Michael Goffioul <goffioul at imec.be>: 
> Basically, it depends on how you print the image. When using a KDE 
> application (let's say kview or kuickshow), the image is first 
> converted to PS before being sent to the CUPS spooler. During this 
> conversion, a specific resolution value is used, which is typically 
> the screen resolution (75 to 100 dpi). When the CUPS spooler then 
> process the PS file, it doesn't change much to set the printer to 
> a high resolution, because the quality is limited by the resolution 
> that were used during PS generation. 
 
OK, so I was printing from kuickshow, this must be the problem. 
 
> When using the "kprinter" front-end, or other program like xpp or 
> gtklp, the image file is sent directly to the printer without prior 
> conversion to PS, so the CUPS spooler takes care of the complete 
> rasterization, which can be done at full resolution, hence a better 
> print quality. 
 
Great, I'll then try to print directly from krpinter :) 
 
> In the ideal case, if you selected Photo quality 
> in the printer properties dialog (for example 1200dpi), the application 
> will use 1200dpi resolution value to generate the PS data. 
 
Unfortunately, not :( 
 
--  
Antoine Jacoutot   
ajacoutot at lphp.org   
http://www.lphp.org   
pgp key: http://www.lphp.org/ressources/ajacoutot.asc