[softwarelist] Re: OvPro and PNG

In message <4f82312e81dave@xxxxxxxxxxxxx>, Dave Symes <dave@xxxxxxxxxxxxx> writes 
On 17 Mar, dave@xxxxxxxxxxxxx wrote:

Ovation Pro for RISC OS v6.06



I have a number of PNG files I want to put into frames within an OvPro
document, It will not do it.



Window pops up with:
"Inserted file is of type PNG not text.
Are you sure you want to proceed?"



Why will it not do what I want?
The OvPro TransFSI filter is seen and active.



CFSI has been seen by the filer during boot up.



As I needed to complete the document this evening, I've had to convert
them all to another graphic file type. Bummer!



Why?
Dave S


Continuing...
A copy of OvPro running under VRPC will load a PNG into a frame.
However Win OvPro will not, presentinng the same message as above.
The general answer is that to load PNG files you need to have a filter for PNG installed.
On Windows that means the filter pack installer has to have been run. There is a registry variable which is set up to point to the appropriate filter. I can tell you the name if you really want to know.
On RISC OS, it is a bit more complicated. In that the TransFSI filter can be edited to support different file types and the copy of ChangeFSI it calls might support different file types.
I would not have guessed that ChangeFSI supported PNG, but obviously if it works on VRPC later versions of ChangeFSI must do so.
There has to be a system variable pointing at the filter for PNG files, F12 

*show ffg*

will show it.
I think it comes down to looking at the !Boot and other config files in TransFSI and checking that they set things up for PNG.
Perhaps a quick fix would be to copy !TransFSI from VRPC to your RISC OS computer. 



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David Pilling
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