Make transparent layer invisible

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Make transparent layer invisible

by Adonj Adonj :: Rate this Message:

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If I export it to png it wouldn't be an animation! I'm sorry
I obviously overlooked mentioning my intention.

Adonj

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Re: Make transparent layer invisible

by Patrick Horgan :: Rate this Message:

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Adonj Adonj wrote:
> If I export it to png it wouldn't be an animation! I'm sorry
> I obviously overlooked mentioning my intention.
>  
Do animated gifs support transparency?  I've never tried it...oh, wait,
yes I did, just the other day I made an animated gif icon with
transparency for someone's web site.  Funny, I answered my own question:)

Patrick
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Re: Make transparent layer invisible

by Michael J. Hammel :: Rate this Message:

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On Thu, 2008-10-02 at 16:16 -0400, Adonj Adonj wrote:
> If I export it to png it wouldn't be an animation! I'm sorry
> I obviously overlooked mentioning my intention.

You can preview the transparency by using the GAP player
(Filters->Animation->Playback).  When the player dialog opens, right
click on the canvas area and choose "Detach".  Then drag the canvas area
over your desktop.  The animation will playback over your desktop with
transparency rendered.  It may not be a perfect render, but it should
work.

Saving to PNG preserves full transparency but I don't think PNGs support
animation (use MNG instead, I believe).  I could be wrong about that as
I don't do much with animations.

Saving as GIF will reduce the palette to 256 colors and reduce
multiple-levels of transparency (re: 0%-100%) to a single state of
transparency (pixels are either fully transparent or they are not).  

Animated GIFs play fine in web browsers.  PNGs (non-animated) with
transparency work well in modern browsers but suck in older versions of
MSIE.  That's the browsers fault, not PNGs fault.

--
Michael J. Hammel                                    Principal Software Engineer
mjhammel@...                           http://graphics-muse.org
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It is a man's own mind, not his enemy or foe, that lures him to evil ways.
--Buddha

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Re: Make transparent layer invisible

by Sven Neumann :: Rate this Message:

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Hi,

On Thu, 2008-10-02 at 17:02 -0600, Michael J. Hammel wrote:

> You can preview the transparency by using the GAP player
> (Filters->Animation->Playback).

That plug-in has nothing to do with GAP, the GIMP Animation Plug-In. It
is bundled in the standard set of plug-ins that ship with GIMP.


Sven


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Re: Make transparent layer invisible

by Olivier Lecarme :: Rate this Message:

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Sven Neumann <sven@...> wrote:

> Hi,
>
> On Thu, 2008-10-02 at 17:02 -0600, Michael J. Hammel wrote:
>
> > You can preview the transparency by using the GAP player
> > (Filters->Animation->Playback).
>
> That plug-in has nothing to do with GAP, the GIMP Animation Plug-In. It
> is bundled in the standard set of plug-ins that ship with GIMP.

By the way, will GAP be adapted to GIMP 2.6, and when? I really hope so!

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                        Olivier Lecarme
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Re: Make transparent layer invisible

by David Gowers :: Rate this Message:

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Hi Olivier,

On Fri, Oct 3, 2008 at 10:22 PM, Olivier Lecarme
<ol@...> wrote:

> Sven Neumann <sven@...> wrote:
>
>> Hi,
>>
>> On Thu, 2008-10-02 at 17:02 -0600, Michael J. Hammel wrote:
>>
>> > You can preview the transparency by using the GAP player
>> > (Filters->Animation->Playback).
>>
>> That plug-in has nothing to do with GAP, the GIMP Animation Plug-In. It
>> is bundled in the standard set of plug-ins that ship with GIMP.
>
> By the way, will GAP be adapted to GIMP 2.6, and when? I really hope so!
What do you mean? I used it with 2.6 today. No adaptation needed.

Do you mean a Windows binary of GIMP-GAP? There should be no reason
that you cannot use the currently available one.

HTH,
David

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