[etoys-notify] [JIRA] Created: (SQ-598) RFI Animatation and Animated Gifs can be done much better

[Jerome Peace (JIRA)]

RFI Animatation and Animated Gifs can be done much better
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                 Key: SQ-598
                 URL: http://tracker.immuexa.com/browse/SQ-598
             Project: squeakland
          Issue Type: Improvement
          Components: general
            Reporter: Jerome Peace


See also SQ-597.

Beyond the bug patches pointed to by SQ-597 there are several features of Gifs that are not deal with at all in squeak.

Writing animated gifs.

Reading in animated gifs correctly so that the virtual screen and the offsets of the individual images are handled correctly.

Dealing with the choice of disposal method. Individual images can be marked to persist or to erase themselves. Currently squeak only deals with one of the two regardless of how the gifs read in.


Roadmap:
This project is essentially proposing a reworking of the displaying morph and the writing and reading classes for gif files. 

I have done substantial work already and have proven that most gif files can be read in and display correctly with the new morph. 

The displaying morph has many nice and general properties including the ability to animate any collection of submorphs.

Theoretically one could create a desired animation by assembling a collection of morphs, then request that an animated gif be created from that and used on the web. In practice the rendering limitations of gifs will cause some difficulty in fully implementing this. We could get pretty close.

I have not tackled the writing part of this project, however I have working code for the reader and display.

I am looking for interest and support and funding possibilities.

Yours in curiosity and service, Jerome Peace



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