 PNG transparency - How can I determine if it's set? |
| PNG transparency - How can I determine if it's set? |
| Guest_Al Savage_* |
 Dec 6 2004, 10:48 PM
Post
#1
|
|
Guests  |
I have a collection of PNG files. Some were apparently saved with the "Write Transparency Chunk" turned on. Example:
http://falconfaq/Bendix_22BD/Bendix_22BD_01.html The greenish background bleeds through, which in the case of this particular image, is undesireable. Is there a method, using PMV, to determine which of several hundred PNGs are in this condition, and if so, is there a batch method to turn transparency off for these images (ie re-save them with that option disabled)? TIA, Al S. |
 |
 
|
 |
|
Dec 12 2004, 09:42 PM
Post
#2
|
|
 Forum Member Group: Admin Posts: 672 Joined: 14-March 00 From: Wilmington, North Carolina Member No.: 3 |
You can't use PMView to determine the current state of the transparency; currently it does not show the flags.
You need a developer's PNG utility that will show you the option flags. (Hint: look for "dumppng" or "pngdump"). Thanks, Edited By Peter on 1102905885 -------------------- Peter Nielsen (peter@pmview.com) "If you can dream it, you can do it" JFK.
|
|
|
|
Al Savage PNG transparency - How can I determine if it's set? Dec 6 2004, 10:48 PM
Peter Since PNG is lossless, you can safely do a batch c... Dec 8 2004, 10:52 AM asavage Yes, that is a solution to this particular situati... Dec 8 2004, 11:50 PM |
| Lo-Fi Version | Time is now: 1st May 2025 - 08:10 PM |
