Search found 3 matches
- 2014-06-02T08:31:43-07:00
- Forum: Users
- Topic: PNG alpha channel problem
- Replies: 5
- Views: 6130
Re: PNG alpha channel problem
$sig->setImageDepth(32); I do not think this is realistic or applicable if you are not using Q32 IM. If you are on Q16 or Q8, the best you can do is depth 16 or 8, respectively. depth in IM is per channel, not per pixel. PNG32: ensures you have 8-bits per channel including the alpha channel ...
- 2014-06-01T22:03:00-07:00
- Forum: Users
- Topic: PNG alpha channel problem
- Replies: 5
- Views: 6130
Re: PNG alpha channel problem
Thanks for your input. I followed the advice but it only gave me a workaround and I just wasn't satisfied with that. I really wanted the authentic, semitransparent anti-aliasing. There was only one problem with my solution and it turned out to be a quirky issue with Imagick itself. So for the ...
- 2014-05-30T15:26:26-07:00
- Forum: Users
- Topic: PNG alpha channel problem
- Replies: 5
- Views: 6130
PNG alpha channel problem
Using the PHP API, I'm capturing a user's hand written signature and attempting to make it a 32-bit transparent png to be overlayed on a PDF form. The code I have below actually works and displays in the browser fine but there is a problem with the png when it is opened in Photoshop or applied to a ...