[GRASS5] [bug #4066] (grass) gis.m: black background

[Jachym Cepicky]

Hallo,
is this problem solved or not? Fresh cvs from today, the background
under vector file is black :-/

jachym

On Tue, Feb 07, 2006 at 09:24:06PM +0000, Glynn Clements wrote:
> 
> Request Tracker wrote:
> 
> > this bug's URL: http://intevation.de/rt/webrt?serial_num=4066
> > -------------------------------------------------------------------------
> > 
> > Subject: gis.m: black background
> > 
> > Platform: GNU/Linux/x86
> > grass obtained from: CVS
> > grass binary for platform: Compiled from Sources
> > GRASS Version: cvs_head_20060207
> > 
> > I can confirm the problem with the back blackground in gis.m which
> > Maciek mentioned as a side note in another bug report
> > (http://intevation.de/rt/webrt?serial_num=4049&display=History).
> > 
> > When I erase the map display the background becomes white, but as
> > soon as I display a map it becomes black again.
> 
> I've just fixed a bug related to the background colour in the PNG
> driver; pngdriver.h had "unsigned int background" rather than
> "extern unsigned int background", so each source file had its own
> "background" variable, most of which would be implicitly initialised
> to zero and remain at zero.
> 
> BTW, while most of the changes were simply reorganisation, and didn't
> affect any functionality (or, at least, weren't meant to), the PNG
> driver's implementation of R_erase() has been changed to erase to the
> original background colour (which will be transparent if
> GRASS_TRANSPARENT is set to TRUE), not the current colour.
> 
> This affects the behaviour of "d.erase -f" and "d.frame -e". 
> Previously, there was no way to erase to transparent after
> initialisation.
> 
> -- 
> Glynn Clements <glynn at gclements.plus.com>
> 
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-- 
Jachym Cepicky                                  
e-mail: jachym.cepicky at centrum.cz           
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