[softwarelist] Re: Ovation Pro RISC OS 2.77 6th March
- From: Ross McGuinness <farmstay@xxxxxxxxxxxxxxxx>
- To: davidpilling@xxxxxxxxxxxxx
- Date: Mon, 07 Mar 2011 06:56:54 +0800
In message <xWZMMUFvp$cNFw5t@xxxxxxxxxxxxxxxxxxx>
David Pilling <flist@xxxxxxxxxxxxxxxxxxx> wrote:
> Hi,
> I've uploaded a new version of Ovation Pro for RISC OS to:
> http://www.davidpilling.com/ovationpro/upgrade/op277.zip
> This fixes the problems with rotated/image processed JPEGs on Beagle
> board [1].
> I have also set the code up so that if transformed JPEG plotting is
> supported, OP uses it. This should be a big win if you are printing
> large JPEG files to the PostScript level 3 driver, not only will the
> memory requirement be smaller [2], final PostScript should be more
> compact and probably higher quality.
> I would like someone to confirm if this works, I've not tested it.
I'll get to this later today if I can and let you know how it goes.
> [1] Thanks to the ROOL forum I believe I have resolved this problem. It
> seems new version of RISC OS (SpriteExtend 1.36 or later) correctly
> follow the documentation, bit 0 of R0 must be set to get the JPEG size,
> and OP was not setting this bit. Older versions of RISC OS provide the x
> and y dimensions of the JPEG regardless of the bit being set or not. I
> got the code correct in other places, I guess I copied this one piece of
> code from somewhere where I did not require the dimensions.
> [2] If you're wondering how the Ross McGuiness thread ended, Ross sent
> me a JPEG, and I worked out it would need 45MB of free memory to print
> it rotated, that's a lot of memory.
Thanks to David I've now increased my OPro print memory slot to 50Mb
and so far images have been handled OK.
Once again thanks.
Ross
--
Ross and Bev McGuinness, Cinnamon Coloureds Farmstay
1800 South Coast Hwy DENMARK WA 6333 Tel:+61 8 9848 1781
Fax:+61 8 9848 1231 Web: http://www.denmarkwa.com.au/cc/
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