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Old 30 September 2016, 04:48   #61
Retrofan
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How to use it?

I want to post now HOW can you use the Retro Image Tool, as it's my favourite tool for converting images to 16 colors.

Well, first you have to get an image to fit with your existing Palette.

How?

First you have to be using the amount of colors you want for the palette you are going to create. Then open your FullPalette prefs (Sys:Prefs/FullPalette) and then you can see an image of the palette you are actually using. Extend that window to be larger.

Then open the SGrab program and using the "Mark & Grab" option select the images of the colors of your palette only and save that image for example as "16 colors Palette.png" or "256..." depending on the amount of colors you are using. That will be your palette now.

Then open the "Retro Image Tool" page. http://tool.anides.de/
You just click on the page and then it appears an image. No tool, anything there. What do you do? You've got to close (right top) the existing image. Then you click on the empty screen. Then a window pops out so you can select an image of your PC. You then select the image of the palette that you've created, for example the "16Colors Palette.png". That image will appear then.

On the left select then the image to be shown as "Original" (the top option) and click on the Check mark to be set as default -your palette now-. Then you click again on the empty screen and then you can select another image. Select the one you want to convert to the palette you've installed. It will take a while sometimes to appear -and it can't be an iff image- and then select it to use "Global" as colors. Then it will be converted to your palette.

Click on the top right, "Save" and it will be saved in your Downloads folder. ... That's it.

Last edited by Retrofan; 29 October 2017 at 02:30.
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Old 08 October 2016, 18:03   #62
pandy71
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Dreaming about something like this http://www.leonik.net/dml/sec_pcs.py for Amiga... it is really strange that Atari ST outperformed Amiga on this area not due of hardware superiority but programmers skills on Atari.
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Old 06 October 2017, 02:17   #63
AnimaInCorpore
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Some news after almost one year: HAM loading added. Now you can watch those images as well. File name for saving is now derived from the original name. WIP: PCHG mode support.
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Old 06 October 2017, 02:25   #64
Marcuz
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Great news! Thanks mate!
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Old 06 October 2017, 13:11   #65
AnimaInCorpore
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PCHG loading implemented.
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Old 20 October 2017, 10:46   #66
Steril707
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Just want to drop by to say that this tool is really amazing, and saves me a lot of work when prototyping graphics for my Amiga game projects..
Thanks a lot, man!

If there is one thing that I'd really love to have, it'd be the ability to save images as bmp.

Any possibility to get that?

Plus, could anybody give me some hints about how to read in pchg iff format in asm?

Last edited by Steril707; 20 October 2017 at 11:24.
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Old 20 October 2017, 14:19   #67
AnimaInCorpore
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Great to hear that the tool is helpful for you. Thanks.

So do you need a „PC compatible“ format to work with or the BMP format in particular?

For the PCHG format I would take a look at Aminet. AFAIK there are some libraries to be found.
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Old 21 October 2017, 14:22   #68
Steril707
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It's not only helpful, but really gives me lots of creative ideas...
Awesome piece of work...
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Old 12 December 2017, 08:06   #69
AnimaInCorpore
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The new upcoming version of the "Retro Image Tool" is available for testing at this address:
http://tool.anides.de/new/

Using the latest Firefox browser is recommended.

Please note that the full functionality isn't available yet and will be updated in an non regular manner but you can have a look on the new UI. Also note that at the time of writing only loading (JPEG, PNG, GIF and IFF) and the "presets" are implemented so far.

Feedback of ideas and suggestions are appreciated.
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Old 12 December 2017, 12:13   #70
nobody
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Maybe you could improve it by adding a color histogram check (usage % of every color in the image)?

This is original image about 128 colors,


This is how the previous version converts it to 16 colors


And this is how i converted it manually by checking every color importance in histogram and merge with a nearby color.

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