[iyonix-support] Re: 5.14 and ImageMaster/DPlngScan and a 5M JPEG

In message <mpro.kivxoj0001e3o08m9.tim@xxxxxxxxx>
          Tim Powys-Lybbe <tim@xxxxxxxxx> wrote:

> I had soft-loaded 5.14 into my Iyonix which I had to use as VARPC would
> not handle a 5M JPEG which DPlngScan converted to a Sprite of 41 M or
> so, probably busting the 28M limit on VARPC.

> Anyhow on the Iyonix I could load the JPEG file OK though somewhat
> slowly, then tried to rotate it through 90%.  This took well over an
> hour, grinding along very slowly, but did complete OK.  Then I tried to
> save the file and ended up with the Iyonix completely crashing.

> The Iyo restarted in 5.13, loaded the JPEG at the expected fast speed,
> it then rotated it pretty close to greased-lightning and saved it with
> no trouble at all.

> My suspicion is that there is something unhappy between 5.14 and
> DPlngScan.

5.14 flashed in to my Iyonix and I have successfully rotated a 2M jpeg 
image in DPlngScan in a fast time.

I tried the same with a £M one that came out at 67MB for the sprite 
and it positively crawled.

I then went to Geminus and turned off DMA acceleration and it rotated 
the ^&MB sprite a lot faster.

Perhaps there is an issue with Geminus 1.33 and RISC OS 5.14?

Doug


-- 
Using an IYONIX pc and RISC OS 5.14, the thinking person's alternative 
operating system to Microsoft Windows.
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