Could Adobe Photoshop's "blending options" for text be supported in a future {Pdf|Xe}TeX variant

I have been playing with Adobe Photoshop's "blending options" for
text recently, adding a gold or metallic texture to otherwise
plain text. The results are visually very striking, and I
therefore began to wonder whether similar functionality might one
day be added to Pdf/XeTeX, in the former case natively and in the
latter case via \specials and an extended (x)dvipdfm(x) driver.

Three examples of the sorts of effect I have in mind can be seen
at :

- https://www.dropbox.com/s/b7a1383rb1dx2vp/Ao%20dais.pdf?dl=0

- https://www.dropbox.com/s/7s6s7n9w8popiyg/MENU%20001%20new%20ellipse.pdf?dl=0

- https://www.dropbox.com/s/smmcjy9zuuxa1nu/MENU%20001%20%28metallic%20gold%20text%20demo%29.pdf?dl=0

I would be interested in others' reactions to this.

Philip Taylor