On 13/3/23 08:13, Brian wrote:
The processing chain in cups generated a raster bitmap image for me to format and deliver to the printer. I didn't dig deep but I suspect the previous stages involved postscript before raster conversion rather than directly from a pdf stage.Suspicions don't quite cut it when writing a filter.
When you write a filter you get given a bitmap with parameters and you address that not any hypothetical prior rasterising chain.
-- Jeremy (Lists)