Le 2011-06-26 05:29, Jean Hollis Weber a écrit :
To summarise, two objective points:
* Some of the colours suggested in this thread should print just fine in
grayscale by Lulu's printers.
* If users print directly from the PDFs, the colours use up a lot more
expensive ink or toner than does gray whether printed in colour or b/w.
And one subjective point:
* Some users will find that the colours make the screenshots look very
unlike what they see, and that may detract from their usefulness in some
cases. This is an untested hypothesis, other than some observation.
Not sure about this. In in the educational field, there are very few
screenshots done up in grayscale or B/W. If they are, it is mostly due
to costs savings and little to do with impact on use. If this were the
case, then most of the documentation from various software titles would
be done up in grayscale. I think, to make this assertion, there would
have to be a study on this.
AFAIK, no one's answered this question yet: what is the advantage to
users of having colour in the screenshots in the PDFs?
Colour icons bring familiarity with the LibreOffice suite. Users work
all day with colour menus. I would imagine that, if all of sudden,
working on a LibreOffice documentation screen with B/W screenshots would
be an experience that would leave most users wondering why colour was
not used. In print, this is another matter, as most people will
recognize the cost factor in the equation and that if a user wants
colour print, then that user should be willing to offer up the extra
So, if the screenshots are done in colour, we should make sure that they
are printed at the quality that we expect from a B/W or grayscale.
My personal opinion is that if we can get the screenshots done up in
LibO greens (whichever of the greens 1-2-3 etc) for added market
recognition in our documentation, and, if they print up well on personal
printers and at Lulu's, without print degradation, then we should go for
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