[reportlab-users] grayscale documents

[Robin Becker]

Jerome Alet wrote:

> Hi there,

> 

> I'm using RL to generate dynamic banner pages in my PyKota (www.pykota.com)

> print accounting software.

> 

> These banner pages are currently in color, but I'd like to offer

> an option to force grayscale mode.

> 

> I'm currently using "canv.setFillColorRGB(r, g, b)" calls.

> 

> Should I first convert (r, g, b) to grayscale using 

> colors.color2bw((r, g, b)) before calling canv.setFillColorRGB() or 

> is there some special construct which would force the whole document 

> to be in grayscale mode when rendered ? 

> 

> Thanks in advance

> 

.......

We don't have anything in place to do this right now. There are a lot of places 
where color is set. The lower level stuff is I think all in class 
_PDFColorSetter. It might be worthwhile hacking that to try and see if you can 
do all your colors.color2bw stuff there.
-- 
Robin Becker