Would like to learn the details of animated graphic file formats, such as GIFs

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2 total messages Started by Ramon F Herrera Mon, 08 Jun 2009 23:24

#67

Author: Ramon F Herrera
Date: Mon, 08 Jun 2009 23:24

31 lines
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My question is about animated GIFs, so let's start with this:

 - Are there "animated PNGs", "animated JPEGs", or TIFFs, or animated
anything else?

Notice that I am not talking about programming technologies such as
flash, etc.

The specific project that I have is a demo program that processes some
stages and when it is done with each, it places either a green check
mark or a red X (with obvious meaning) next to the individual items.

I simply sent a green check mark and a red X to the programmer, would
like the demo to look spiffier. Now I would like to see the check mark
being drawn, i.e., animated. I don't suppose the programmer has to be
concerned or involved, right? I should simply send him an animated
file and tell him: "here is the new green check mark".

What about the repetitive cycle? Is there some internal flag in
animated GIFs (or animated anything) that says: "you should cycle
forever" or "one cycle, and then you stop" (this is my preferred
behavior for this application).

Should I forget about animated GIFs and use something else?

Your answers and comments are most welcome.

TIA,

-Ramon

Re: Would like to learn the details of animated graphic file formats, such as GIFs

#68

Author: Andrew Morton
Date: Tue, 09 Jun 2009 07:53

24 lines
1859 bytes

Ramon F Herrera wrote:
> My question is about animated GIFs, so let's start with this:
>
> - Are there "animated PNGs", "animated JPEGs", or TIFFs, or animated
> anything else?

No, no, no, yes.

> I simply sent a green check mark and a red X to the programmer, would
> like the demo to look spiffier. Now I would like to see the check mark
> being drawn, i.e., animated. I don't suppose the programmer has to be
> concerned or involved, right? I should simply send him an animated
> file and tell him: "here is the new green check mark".

Yes.

> ... Is there some internal flag in
> animated GIFs (or animated anything) that says: "you should cycle
> forever" or "one cycle, and then you stop" (this is my preferred
> behavior for this application).

Yes and yes: your choice.

Andrew

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