Re: [artworks] A problem with PDF export

  • From: Tim Powys-Lybbe <tim@xxxxxxxxx>
  • To: artworks@xxxxxxxxxxxxx
  • Date: Sun, 01 Feb 2009 23:25:27 GMT

In message of 1 Feb, Martin Wuerthner <lists@xxxxxxxxxxxxxxx> wrote:

> In message <9d93eb2650.tim@xxxxxxxxxxxxxxxxxx>
>           Tim Powys-Lybbe <tim@xxxxxxxxx> wrote:
> 
> > I have been working away at rather a complex ArtWork for a few months
> > now and have just tried to save its present state as a PDF file but get
> > the error from ArtWorks of:
> 
> >    Internal error 'LHWS' in SVGExport
> 
> This is caused by a sprite being in an obsolescent format, having a 
> so-called "left hand wastage", which PDF export does not support. I do 
> not think any modern version of RISC OS creates such sprites but it 
> was probably used for screen grabs ages ago, or maybe after removing 
> columns from the left. The sprite can be updated in Paint: Use "Adjust 
> size" to increase its width by 1, then decrease it again. This will 
> convert it to the standard format. ArtWorks should probably do the 
> conversion step itself when loading the sprite and/or convert sprites 
> in existing ArtWorks files when they are loaded but I thought they 
> would be extinct by now.

Spot on, as ever and thanks: all is now well.

I copied this sprite, and a whole collection of such charges intomy
machine around the year 2000 and fully expected to be able to continue
to use them as building blocks for these designs.  I know I found that
ArtWorks would not load one or two low-colours sprites, but it gave me
an error message and I dealt with this.  So if sprites such as these are
not to be handled, I wonder if we can have a message to say they are not
suitable when we first load them (it even) in? 

-- 
Tim Powys-Lybbe                                          tim@xxxxxxxxx
             For a miscellany of bygones: http://powys.org/
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