[pdftex] Best bitmap image format?

[Hans Hagen]

Reinhard Kotucha wrote:

 > I agree with everything you said and I also recommend to use PNG for
 > screenshots. However, someone on this list reported that his
 > publisher required CMYK colors in included graphics which is not
 > supported by PNG. Maybe Hans had this in mind.

indeed,

when we have to deal with dealing with professional printing png is a 
no-go and only jpeg compression (lossy) and tiff compression (lossless) 
make sense; pdftex only supports jpeg inclusion natively, so in the case 
of screen dumps, the other alternative is to save as tiff and convert 
that to cmyk (in an editor) and then pdf before inclusion (actually, we 
always convert to be included images to pdf first, mainly because 
inclusion of pdf is much faster)

> And it's worth to try
> 
>    http://www.inf.bme.hu/~pts/sam2p

interesting; buy why no rgb -> cmyk conversion; i'll give it a try 
anyway -)

Hans


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