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Forums > C64 Coding > Standard image format?
2015-05-22 08:44
ChristopherJam

Registered: Aug 2004
Posts: 1409
Standard image format?

Are their any file formats around that are commonly used for moving c64 images between various tools that explicitly specify c64 palette indices?

The .gifs and paletted .pngs I've seen often have palettes in a random order, that don't necessarily have all 16 c64 colours in their table anyway, and both those and 24 bit screencaps tend to use one of several different palettes (pepto, godot etc). On top of that, screencaps frequently have their aspect ratio 'fixed', so many of the pixels are blends anyway.

I know there are a few graphics mode specific formats like .kla around, but I'm looking for something a bit more general purpose that doesn't make assumptions about how it will be displayed.
 
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2015-05-24 01:36
SIDWAVE
Account closed

Registered: Apr 2002
Posts: 2238
explicitly ?
no

not a single format
2015-05-24 05:01
Endurion

Registered: Mar 2007
Posts: 73
Any format that can be loaded with .NETs runtime. C64Studio then expects an 8bit index image with exact colors or will show an import dialog which tries to auto-map colors. Auto-mapping can be manually overridden to force a certain target color.

When copying images to the clipboard 8bit index will be used. 4bit might be more logical but half byte pixels are a nuisance.
2015-05-24 06:57
soci

Registered: Sep 2003
Posts: 480
It must be PPM then obviously, as it's fully supported by the tools I use ;)
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