Re: [Plplot-devel] -bg with alpha gives strange overlay effect on x02c

2010-03-18 Thread Hezekiah M. Carty
On Thu, Mar 18, 2010 at 7:31 PM, Alan W. Irwin wrote: > On 2010-03-18 17:55-0400 Hezekiah M. Carty wrote: > >> On Thu, Mar 18, 2010 at 5:34 PM, Alan W. Irwin >> wrote: >>> >>> On 2010-03-18 16:26-0400 Hezekiah M. Carty wrote: >>> [...] From what I have read so far, having nicely wi

Re: [Plplot-devel] -bg with alpha gives strange overlay effect on x02c

2010-03-18 Thread David MacMahon
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

Re: [Plplot-devel] 5.9.6

2010-03-18 Thread Hezekiah M. Carty
On Wed, Mar 17, 2010 at 9:48 PM, Hazen Babcock wrote: > Alan W. Irwin wrote: >> On 2009-11-07 16:30-0500 Hazen Babcock wrote: >> >>> What are the remaining projects for the next release? >>> >>> On my list I have: >>> (1) Expand the plot settings covered by plget & plset. >>> (2) (a) OS-X and (b)

Re: [Plplot-devel] -bg with alpha gives strange overlay effect on x02c

2010-03-18 Thread Alan W. Irwin
On 2010-03-18 20:13-0400 Hazen Babcock wrote: > So, while I agree that we should support this feature I don't think it > is going to be that cool for most linux users for a while yet. Although, I don't have any of the transparency troubles you mentioned for your X server, I do have some mediocre

Re: [Plplot-devel] -bg with alpha gives strange overlay effect on x02c

2010-03-18 Thread Hazen Babcock
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

Re: [Plplot-devel] -bg with alpha gives strange overlay effect on x02c

2010-03-18 Thread Alan W. Irwin
On 2010-03-18 17:55-0400 Hezekiah M. Carty wrote: > On Thu, Mar 18, 2010 at 5:34 PM, Alan W. Irwin > 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 (

Re: [Plplot-devel] -bg with alpha gives strange overlay effect on x02c

2010-03-18 Thread Hezekiah M. Carty
On Thu, Mar 18, 2010 at 5:34 PM, Alan W. Irwin 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 require >> pull

Re: [Plplot-devel] -bg with alpha gives strange overlay effect on x02c

2010-03-18 Thread Alan W. Irwin
On 2010-03-18 16:26-0400 Hezekiah M. Carty wrote: > The fix for pngcairo is fairly straightforward. The pngcairo device > was using an RGB surface rather than an ARGB surface, so the Cairo > drawing routines were treating it like it does not support > transparency (which it didn't). Changing the

Re: [Plplot-devel] -bg with alpha gives strange overlay effect on x02c

2010-03-18 Thread Hezekiah M. Carty
On Mon, Mar 15, 2010 at 10:15 PM, Alan W. Irwin wrote: > 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

Re: [Plplot-devel] 5.9.6

2010-03-18 Thread Alan W. Irwin
On 2010-03-18 08:53-0700 David MacMahon wrote: > I don't know enough about mac development to drive this [quartz cairo device] effort, but > I'd be happy to test and/or help out! Just to remark on how the test suite can be used for this purpose, if the directions in drivers/README.drivers are fol

Re: [Plplot-devel] 5.9.6

2010-03-18 Thread David MacMahon
On Mar 18, 2010, at 7:27 , Hazen Babcock wrote: > David MacMahon wrote: >> On Mar 17, 2010, at 18:48 , Hazen Babcock wrote: >> >>> Alan W. Irwin wrote: On 2009-11-07 16:30-0500 Hazen Babcock wrote: > (2) (a) OS-X and (b) Windows backends for the cairo driver. >> >> Sounds good to me! I

Re: [Plplot-devel] 5.9.6

2010-03-18 Thread Hazen Babcock
David MacMahon wrote: > On Mar 17, 2010, at 18:48 , Hazen Babcock wrote: > >> Alan W. Irwin wrote: >>> On 2009-11-07 16:30-0500 Hazen Babcock wrote: >>> What are the remaining projects for the next release? On my list I have: (1) Expand the plot settings covered by plget & plse