duplicate a image with gs

[JeaDea]

>
> The best choice is probably to use a series of image or rectangle
> objects (in a canvas), to render the progess bar as a number of tiles
> (increments).


It's what i did, but to reload image cause a out of memory, and how can i
use the garbage collector or other solution for to avoid overloading memory
?

Another possiblity is to render the progressbar as a single solid color
> rectangle.
>
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