Exporting transparent PNGs (again)

[Ken Ray]

On 7/4/06 6:54 AM, "Chris Carroll-Davis" <asgg35 at dsl.pipex.com> wrote:

> Hello again folks.
> 
> I recently posted a question about Rev's weird behaviour when
> exporting transparent PNGs from fields with Japanese text.  No-one
> (understandably) was able to offer any help so, as is often the case,
> I think I'll be looking for a workaround...
> 
> ... Exporting non-transparent PNGs works fine so, in theory, should I
> not be able to export the image (perhaps to clipboard or variable)
> then apply this to a graphic as an alpha channel?  Then export the
> resulting image as transparent PNG?
> 
> So... two questions:
>    1)  Does the above workaround solution sound feasible?
>    2)  How the devil do I do it???!!
> 
> I've had a few half-hearted attempts at using the alphadata property,
> but I can't get it to work at all!  Can anyone point me to some
> example stacks that use this property that I can dissect?

Have you looked at the "dissertation" at:

 http://www.sonsothunder.com/devres/revolution/tips/imag003.htm

or

  http://www.sonsothunder.com/devres/revolution/tips/imag005.htm

??

Perhaps those will help...

Ken Ray
Sons of Thunder Software
Web site: http://www.sonsothunder.com/
Email: kray at sonsothunder.com