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m68k's picture
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Joined: 2016 Dec 30
Help with Photoshop 4

Hello Folks,

I am back into Mac and I got an issue with my Photoshop 4.0 on MacOS 8.1 / Basilisk II.
Trying to design some images for print and since the printer uses CMYK, I am attempting to convert RGB into CMYK. But whenever I do that, all I end up with is a black image.
Unfortunately I can't google tips for colour mode conversion for PS 4.0, since all I get are pages for more recent Photoshop versions.

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systemseven's picture
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Joined: 2016 May 19

My memory is fuzzy, but I seem to recall in the late 90s we used to do this RGB->CMYK color conversion outside of PS in another program - possibly xRes?

m68k's picture
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Joined: 2016 Dec 30

Howdy,

is/was xRes a program for 68k Macs? I am totally open for suggestions regarding alternate programs here, as long as they run on either Mac 68k or Windows XP.

WhosIt.There's picture
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Joined: 2014 Aug 23

I always found Photoshop to be over-complicated and messy to use. I always used ColorIt! instead, which although has less fancy features, it has all the normal options and is much easier to use. It can't display / edit images in CMYK mode (images are displayed using separate C, M, Y and K channels), but you can convert images to CMYK after you've done all your editing in RGB (just remember to save an RGB version as well because it can't convert back again!).

Another option would be GraphicConverter, either version 4 or version 5 ("Classic").

Either way, it's best to use TIFF image formats in every step.

m68k's picture
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Joined: 2016 Dec 30

Thx for the hint with the GraphicConverter, I will give it a try asap.
But I need to use PS, since I am trying to do some serious graphic work on some images for a children's book. Thus I require layers and publishing functionality, which I found in PS in a way that I couldn't find anywhere else (not even in GIMP). As far as TIFF format is concerned, I have to export the finished work into that format for use in QuarkXPress.
But PS4 takes *ages* to load large TIF pictures, whilst it big images in PS format really fast, even if they are 50MB and larger.

WhosIt.There's picture
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Joined: 2014 Aug 23

Photoshop uses its own PS format internally, so loading anything else will mean it gets converted to PS while working on it, and then converted back during the save process ... but there's not many other old apps that can open PS files (from memory, ColorIt! can't read Photoshop files for example). It's usually best to use the PS versions for working on and then resave / export the final to a more appropriate format (in this case TIFF) as well as keeping the PS version in case more work is needed.

m68k's picture
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Joined: 2016 Dec 30

That is exactly the way I am working with my setup and its reasonably fast that way. I am installing a whole bunch of graphic's converters right now and hope that I can get that CMYK switch working with one of them.
Except for the lacking multitasking and the sometimes slow I/O speed, I find the MacOS 8.1 GUI still remarkably pleasant to work with - specially when compared to the truly ugly Windoze 10 UI.
So I decided to stick with my vintage OS for the time being and thx for your suggestions.

WhosIt.There's picture
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Joined: 2014 Aug 23

all I end up with is a black image.

Is it just a completely black window?

When converting images to CMYK in ColorIt!, the app can't display them, so displays the C, M, Y, and K channels separately, you can swap between them, as greyscale, but you can still vaguely see the image (depending on how much detail each channel is using). Maybe your old version of Photoshop is doing something similar?

m68k's picture
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Joined: 2016 Dec 30

Nope, the image in PS is just completely black. And I made sure to flatten it to zero layers before I did the conversion. Got the problem now that the 4.x version of Graphics Converter which I downloaded doesn't seem to run on 68k. Would you happen to know the last GC version that did?

WhosIt.There's picture
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Joined: 2014 Aug 23

The GraphicConverter Version 4 page says 68K and PowerPC and System 7 to OS 9. The CD image does contain various version 4 options, and in the English folder there is the disk image for a 68K version 4.1 (self-mounting disk image, so don't transfer it from a Windows computer), but I haven't got any way I can test that.

24bit's picture
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Joined: 2010 Nov 19

Maybe off topic, but it does seem to me that using SheepShaver with MacOS 8.X running Photoshop 5 or higher, should solve most of the issues above.
Plus the fact, that SS/PS5 just flies on a fairly recent host.
But you surely thought of that already...

m68k's picture
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Joined: 2016 Dec 30

Yeah, or maybe I could use a real Mac with OS X Wink
Seems to be a long time ago that I started out in this forum, buy way back then one of my never ending talking points used to be the factoid, that I am running Basilisk II on Android.
I know its a setup that sounds weird to some, but given that I am also emulating an Amiga, Atari Falcon + Wine on my flat little Samsung wonder (probably the last good ARM tablet they ever made), I am a happy camper with my current configuration. Yes, I do have to make some compromises with MacOS 8.1 - but on the other hand I am able to get almost everything done I want to. And for the rest, well there is the Linux emulator, which also runs on my tablet.
Unfortunately Sheepsaver for Android doesn't exist and most likely never will, but I don't cry over it.