On Thu, Mar 18, 2010 at 5:34 PM, Alan W. Irwin
ir...@beluga.phys.uvic.ca wrote:
On 2010-03-18 16:26-0400 Hezekiah M. Carty wrote:
[...] From what I have read so
far, having nicely window-manager independent transparent backgrounds
for the xcairo (and xwin and possiblt qtwidget) devices would
On 2010-03-18 17:55-0400 Hezekiah M. Carty wrote:
On Thu, Mar 18, 2010 at 5:34 PM, Alan W. Irwin
ir...@beluga.phys.uvic.ca wrote:
On 2010-03-18 16:26-0400 Hezekiah M. Carty wrote:
[...] From what I have read so
far, having nicely window-manager independent transparent backgrounds
for the
Alan W. Irwin wrote:
For my two X servers
display -immutable test.png.2
gives me (a), i.e., a semi-transparent view where I can see the desktop
underneath the image.
This is slightly off topic, but this effect really doesn't seem to work
that well on Gnome, at least for me.
This plot
Hi, Hez,
On Mar 18, 2010, at 21:16 , Hezekiah M. Carty wrote:
The checkerboard background seems to be a semi-standard approach for
viewing transparent images (Gimp uses something similar). I'm not
sure it is a good idea for our interactive devices though, as it makes
it very difficult to
On Thu, Mar 18, 2010 at 7:31 PM, Alan W. Irwin
ir...@beluga.phys.uvic.ca wrote:
On 2010-03-18 17:55-0400 Hezekiah M. Carty wrote:
On Thu, Mar 18, 2010 at 5:34 PM, Alan W. Irwin
ir...@beluga.phys.uvic.ca wrote:
On 2010-03-18 16:26-0400 Hezekiah M. Carty wrote:
[...] From what I have read
On 2010-03-14 11:32-0700 Alan W. Irwin wrote:
On 2010-03-14 10:50-0500 Hezekiah M. Carty wrote:
Revision 10866 should fix this. If the background color has an alpha
value 1.0 then a white surface is drawn before the transparent
background color. This produces good looking results for all
On Mar 15, 2010, at 14:32 , Alan W. Irwin wrote:
Then display -immutable test_transparent.png
really does show the desktop underneath the plot which indeed is a
really cool-looking effect.
Using a very recent ImageMagick (6.6.0), display gives me the
checkerboard background without the
David MacMahon wrote:
(Without that -immutable option, display replaces a transparent
background
with a checkerboard background which apparently is something of an
industry
standard to signal you really do have a transparent background.)
I agree that this *can be* a really
On 2010-03-15 15:49-0700 David MacMahon wrote:
On Mar 15, 2010, at 14:32 , Alan W. Irwin wrote:
Then display -immutable test_transparent.png
really does show the desktop underneath the plot which indeed is a
really cool-looking effect.
Using a very recent ImageMagick (6.6.0), display
On 2010-03-15 20:38-0400 Hazen Babcock wrote:
The problem is that we currently do not allow any choices. The cairo driver
is explicitly starting with a non-transparent white background. It is not as
clear to me exactly what the Qt driver is doing when it starts a new page,
though I don't
Hi, Alan,
On Mar 15, 2010, at 17:49 , Alan W. Irwin wrote:
On 2010-03-15 15:49-0700 David MacMahon wrote:
Using a very recent ImageMagick (6.6.0), display gives me the
checkerboard background without the -immutable option and a
black background with that option when looking at an image
On 2010-03-15 21:44-0700 David MacMahon wrote:
I'm no expert on the PLplot devices, but my understanding is that the xcairo
device is a cairo widget or surface drawn in a regular X window that
has its own background. If that's the case, then perhaps we would need to
create the window with
On Sat, Mar 13, 2010 at 5:12 PM, Alan W. Irwin
ir...@beluga.phys.uvic.ca wrote:
On 2010-03-13 13:16-0800 Alan W. Irwin wrote:
On 2010-03-13 14:45-0500 Hazen Babcock wrote:
Alan W. Irwin wrote:
Hazen, will you have a look at this issue, please? This transparent
background issue does not
On Sun, Mar 14, 2010 at 9:54 AM, Hezekiah M. Carty
hezekiahca...@users.sourceforge.net wrote:
On Sat, Mar 13, 2010 at 5:12 PM, Alan W. Irwin
ir...@beluga.phys.uvic.ca wrote:
On 2010-03-13 13:16-0800 Alan W. Irwin wrote:
On 2010-03-13 14:45-0500 Hazen Babcock wrote:
Alan W. Irwin wrote:
On 2010-03-14 10:50-0500 Hezekiah M. Carty wrote:
Hmm. after updating to get your fix and make cairo I still get the same
(bad) result (with page 1 still visible underneath) for
examples/c/x02c -dev xcairo -bg FF_0.1
examples/c/x02c -dev qtwidget -bg FF_01
was fine.
I get
Alan W. Irwin wrote:
On 2010-03-13 13:16-0800 Alan W. Irwin wrote:
On 2010-03-13 14:45-0500 Hazen Babcock wrote:
Alan W. Irwin wrote:
Hazen, will you have a look at this issue, please? This transparent
background issue does not appear for, e.g., -dev pscairo so it appears this
issue may
Alan W. Irwin wrote:
On 2010-03-10 00:43-0800 David MacMahon wrote:
I just ran this...
x02c -dev xcairo -bg ff_0.3
...and noticed on the second plot I can see through to the first
plot. I don't think I have any other non-cairo, alpha-capable
drivers built so I can't tell if it's
On 2010-03-13 14:45-0500 Hazen Babcock wrote:
Alan W. Irwin wrote:
Hazen, will you have a look at this issue, please? This transparent
background issue does not appear for, e.g., -dev pscairo so it appears this
issue may be specific within the cairo devices to just -dev xcairo although
I
On 2010-03-13 13:16-0800 Alan W. Irwin wrote:
On 2010-03-13 14:45-0500 Hazen Babcock wrote:
Alan W. Irwin wrote:
Hazen, will you have a look at this issue, please? This transparent
background issue does not appear for, e.g., -dev pscairo so it appears this
issue may be specific within the
Thanks for confirming this, Alan!
On Mar 10, 2010, at 8:09 , Alan W. Irwin wrote:
-dev qtwidget does not have this problem, and neither does -dev
svg. (For
the latter, you must use the familying option -fam which will
generate two
files corresponding to the two pages.)
I don't know how
On 2010-03-10 10:15-0800 David MacMahon wrote:
I'm not really sure how to interpret alpha for the background of a GUI
window. What's behind the background to see through too? For graphics files
(e.g. .png or .svg) they might be overlaid on something else so background
transparency there
On Mar 10, 2010, at 11:05 , Alan W. Irwin wrote:
There are already
some neat transparent background effects being deployed on the desktop
(e.g., if you move a KDE GUI it becomes transparent so you can see
underneath it) that show this is possible.
I think this might be a property of the
22 matches
Mail list logo
