Re: [Orgmode] saving pdf files from agenda: color mangling revisited

[Carsten Dominik]

You can use org-agenda-before-write-hook.  This hook is run,
just before the agenda is written.  For example, you could use it to
remove all face infomation

(add-hook 'org-agenda-before-write-hook
   (lambda ()
     (remove-text-properties (point-min) (point-max)
        '(face nil))))

or to change it to black before export:

(add-hook 'org-agenda-before-write-hook
   (lambda ()
     (add-text-properties (point-min) (point-max)
        '(face (:foreground "black")))))


Another option would be to disable ps-print from using faces ever,
for example

(require 'ps-print)
(fset 'ps-print-buffer-with-faces 'ps-print-buffer)

I am not sure what the problem is, but one possibility is that ps- 
print might pick up foreground colors but noch background colors.  And  
if your frame has a dark background, it will pick up the bright  
versions of all faces, which are invisible in front of a white  
background on pdf.


Also, ps-print has quite some information about color printing in its  
header.

HTH

- Carsten

On Apr 6, 2009, at 11:52 AM, Alan E. Davis wrote:

> Some time ago I posted a query about a problem I have been having  
> with agenda: that when I save pdf files using the amazing new  
> facility to just save using (C-u) C-x C-w  and naming the file  
> *.pdf .  Noone else seemed to have the exact same problem, so I  
> trashed almost all of the color and face customizations in my .emacs  
> etc.
>
> The basic problem was that the main text was not visible either in  
> the display or when printed.  When I removed all of the painstaking  
> customizations of color, and don't use color-theme-select, I can get  
> a printable pdf.  The tags and todos faces seem ok, and print in  
> colors that work.  But as soon as I try to mess around with colors  
> again, these pdfs are unworkable again.
>
> My work style involves the use of several emacs frames, often with  
> various projects open in different frames, or for some complicated  
> projects, various parts open in different frames.  I was able to get  
> a kludge working almost perfectly, some years ago, to use a  
> different background color of each newly opened frame.  That's now  
> out the window, so I'd like to explore the reasons I cannot seem to  
> just get a black on white text, for example for the text parts of  
> todos (except TODO keywords and tags.)
>
> I don't expect much, and I'll keep experimenting.   But perhaps I  
> can ask once again whether anyone has any insight into why this  
> ought to be the case.  It seems persistent.  I have had to get very  
> basic with any colors.  Not that I really need to use a gaudy color  
> scheme, but easy differentiation of frames is crucial.
>
> Thank you for any ideas.
>
> Alan
>
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