[scribus] pdf transparency export bug?

[Franz Schmid]

vwf schrieb:
> Hello,
> 
> When I include an image with an alpha channel (png with transparency)
> and export it to pdf 1.4, the result is correct (soft edges).
> If I export it to pdf 1.3 the transparency effect is lost and the
> resulting image has hard edges.
> 
> Is this as intended, or is this a bug? I would consider it a bug because
> in scribus the image is shown with transparency.
Its not a bug, it's a limitation of the PDF-1.3 format. Only PDF-1.4
and up support soft transparency. PDF-1.3 supports only "Stencil-Masking"
which means that the transparent parts are not shown.

Franz Schmid