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fnordware / SuperPNG

SuperPNG plug-in for Photoshop
BSD 2-Clause "Simplified" License
174 stars 27 forks source link

Lots of blank space in meta data? #9

Open daviddalzell opened 7 years ago

daviddalzell commented 7 years ago

I noticed that there is a lot of blank space in the meta data tEXt chunk after </x:xmpmeta> tag and before .<?xpacket end="w"?> I counted 12048 bytes divided into 64-byte long strings each ending with a .

fnordware commented 7 years ago

Yeah, there could be. It's whatever Adobe feels like putting in there. You can take a look by going File > File Info > Raw Data.

daviddalzell commented 7 years ago

I can only see the blanks in a hex viewer -- it's annoying and adobe-like // related topic: have you tried using a zTXt block in Photoshop or AE files?

fnordware commented 7 years ago

I have not really messed with zTXt compression. The XMP spec says it should be uncompressed. If you can build the plug-in, you can mess around with which chunks you're saving.