Re: [AUCTeX] preserving images, and image contrast

[David Kastrup]

Jan-Ake Larsson <address@hidden> writes:

> Rajneesh Hegde wrote:
>> 2. Currently, images for inline math are low on contrast, and
>> somewhat blurry. I compensate for that somewhat by setting
>> preview-scale-function to the number 1.25. Even so, I'd be
>> interested to know a way to address the problem directly.  (The
>> background for my default face in emacs is beige, but the problems
>> persist even for a white background.)
>
>>  preview-dvipng-command "dvipng -picky -noghostscript %d -o
>>  \"%m/prev%%03d.png\""
>
> Customize that and add
>
>          -gamma 1.4
>
> or so (default 1, higher number=more contrast).

His settings clearly don't make use of dvipng.  If he has dvipng
installed, he could use

M-x customize-variable RET preview-image-type RET

to set the image type to "dvipng", and then your advice might make a
difference.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum