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Old 20 December 2016, 15:04   #1
KONEY
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Red face Porting Photoshop to Amiga

Semi serious proposal: porting Photoshop 1.0 to classic Amigas, starting from its source code available here: https://github.com/amix/photoshop

After reading this http://computerhistory.org/atchm/ado...p-source-code/ I've been asking myself how doable a porting would be but having no Amiga coding skills I never manage to give me an answer, hence this post :=

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Old 20 December 2016, 15:34   #2
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"about 128,000 lines of mostly uncommented but well-structured code. By line count, about 75% of the code is in Pascal, about 15% is in 68000 assembler language, and the rest is data of various sorts."

This makes about 20.000 lines of undocumented assembler code. It would need months, maybe years.
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Old 20 December 2016, 15:42   #3
KONEY
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...but well-structured
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Old 20 December 2016, 15:51   #4
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Who needs Photoshop? We have Dpaint!
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Old 20 December 2016, 16:00   #5
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I guess Photoshop is a different thing than dpaint. Photoshop does more things, dpaint is a pixel manipulation program.
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Old 20 December 2016, 16:06   #6
KONEY
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it was a joke I think Anyway better speak of Personal Paint, ages ahead of Dpaint
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Old 20 December 2016, 18:41   #7
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I would have thought Photogenics would have been closer to Photoshop on the Amiga if I recall.
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Old 20 December 2016, 18:47   #8
Solo Kazuki
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And ImageFX.
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Old 20 December 2016, 19:26   #9
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And FxPaint and ArtEffect... etc...

ArtEffect is my favourite of this kind of painting (non pixelling) programs. I'll still use it all the time for more modern painting needs (retouching of scanned images, creating alpha transparencies, extensive magic wand usage etc).

In any case I think all these newer major gfx packages on Amiga should make Photoshop 1.0 obsolete
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Old 20 December 2016, 19:26   #10
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And GIMP. Needs X-Windows though...
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Old 20 December 2016, 20:43   #11
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There are talks somewhere of a indea for a compatibility layer for Mac OS classic applications structured in the same way Wine is structured in linux; that would indeed help run mac binaries but i don't see it as a short time commitment - btw a thing like that cannot be called other than "hard cider"
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Old 20 December 2016, 21:12   #12
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Quote:
Originally Posted by LieutLaww View Post
I would have thought Photogenics would have been closer to Photoshop on the Amiga if I recall.
Perhaps the most successful was "TVPaint", HERE on one of my old review there are many others
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Old 20 December 2016, 22:10   #13
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You can use photoshop 4 on amiga apparently.
https://www.flickr.com/photos/243403...57626159037639
Version 4 has support for layers which is pretty handy.
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Old 20 December 2016, 23:38   #14
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I would say with emulation 3.0.5 or 4 do a good job, however 3.0.5. is lighter; has layers but lack macros and batch conversions that instead 4 has. however the shareware GraphicConverter can substitute on that.

The original topic was, however, to get the source of PS1 and compile it for Amiga natively.
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Old 21 December 2016, 06:25   #15
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there is no need to port photoshop to the Amiga
you can use it right now in MACOS emulation using shapeshifter or fusion

the last 68k version is photoshop 4.0 you can download it here

http://macintoshgarden.org/apps/adobe-photoshop-40
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Old 21 December 2016, 16:37   #16
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Quote:
Originally Posted by Mrz View Post
there is no need to port photoshop to the Amiga
you can use it right now in MACOS emulation using shapeshifter or fusion

the last 68k version is photoshop 4.0 you can download it here

http://macintoshgarden.org/apps/adobe-photoshop-40
Damn, now you spoiled people here of the fun of going through 20000 lines of "well structured" assembler code.

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Old 29 December 2016, 05:35   #17
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That's not many lines of code to go through. PCx is 1.6 million lines of assembly code, not including the drivers.
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Old 29 December 2016, 16:53   #18
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I'd be down for a re-sourced version of photoshop for the amiga provided it stays light on requirements (no mui/ixemul etc etc cos fuck that noise)
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Old 29 December 2016, 20:17   #19
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Why would anyone want to run Photoshop when you have ArtEffect?
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Old 29 December 2016, 21:01   #20
Devlin
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Quote:
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Why would anyone want to run Photoshop when you have ArtEffect?
That doesn't look like it's free, and porting Photoshop is likely to be a labour of love for the porting team more than anything.

At least if someone does take on the task of porting Photoshop, we'll be able to say it's native on our amigas now
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