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

R
Posted By
Ramon
Jun 8, 2009
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290
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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

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AM
Andrew Morton
Jun 9, 2009
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
JS
John Stafford
Jun 9, 2009
On 6/9/09 2:53 AM, in article , "Andrew
Morton" wrote:

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.

There is an animated PNG, however it is unoffical. See APNG. http://animatedpng.com/

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