[Ohrrpgce] SVN: teeemcee/8344 If gifsicle is available, use it to compress .gifs after recording them

[Ralph Versteegen]

gifsicle.exe is about 100KB zipped.  It would be nice if it could be
auto-installed in the ~/.ohrrpgce folder, where both game.exe and
custom.exe can find it, even distributed copies of game.exe. I guess the
first time you record a gif it could ask to download it it ("Yes"/"No","No
(don't ask again)").

(I merely assume gifsicle is the best tool for the job; I only compared it
against Image Magick's gif compression options, which it beats handily.)

On 25 January 2017 at 18:31, <subversion at hamsterrepublic.com> wrote:

> teeemcee
> 2017-01-24 21:31:38 -0800 (Tue, 24 Jan 2017)
> 490
> If gifsicle is available, use it to compress .gifs after recording them
>
> gifsicle is run asynchronously and invisibly in the background
> using open_process(), and might take up to ~10s or more for big files.
>
> Although gif.h implements both delta-coding and LZW compression, there
> are a lot of tricks that can be used to compress further, like only
> outputting dirty rectangles.
> Depending on the gif, gifsicle can reduce the size from 20-80%.
> Recordings of Custom tend to compress much better.
> ---
> U   wip/allmodex.bas
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