convert source.png logo.png -fx "(u-v*0.25)/(1-0.25)" original.png
(alpha=0.25 here)
Search found 2 matches
- 2013-08-23T04:34:41-07:00
- Forum: Users
- Topic: De-alpha blending
- Replies: 1
- Views: 591
Re: De-alpha blending
and since I found a solution:
convert source.png logo.png -fx "(u-v*0.25)/(1-0.25)" original.png
(alpha=0.25 here)
convert source.png logo.png -fx "(u-v*0.25)/(1-0.25)" original.png
(alpha=0.25 here)
- 2013-08-23T03:56:26-07:00
- Forum: Users
- Topic: De-alpha blending
- Replies: 1
- Views: 591
De-alpha blending
Hi all,
I have found that a couple of my pictures I usually put a watermark on... well I only have the watermarked version now.(but in quite high quality so noise won't be a huge issue)
I have the overlay that went on them, and I know the alpha blending value.
Since alpha blending is quite simple ...
I have found that a couple of my pictures I usually put a watermark on... well I only have the watermarked version now.(but in quite high quality so noise won't be a huge issue)
I have the overlay that went on them, and I know the alpha blending value.
Since alpha blending is quite simple ...