New online "retro" image tool

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Anima
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New online "retro" image tool

Postby Anima » Thu Feb 05, 2015 12:10 am

Hey guys,

here's another online image tool coded in Javascript for you to play around with: http://tool.anides.de/

Just use drag and drop or click on the background to load images. The tool also supports the IFF format (incomplete). The button "Save" will download the image as an IFF file to use it on the Atari ST or Amiga.

Please use a recent version of Firefox or Chrome.

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Re: New online "retro" image tool

Postby Anima » Mon Mar 14, 2016 9:15 pm

Coming soon for the Spectrum 512/4k image conversion: CRT emulation (based on the CRT scan line shaders by Timothy Lottes).

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Re: New online "retro" image tool

Postby calimero » Mon Mar 14, 2016 9:55 pm

very coool tool! I play it for hours... :)

btw what is PCHG? is it PhotoChrome by Doug?
it would be cool to have HAM mode :)
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Re: New online "retro" image tool

Postby Anima » Tue Mar 15, 2016 9:27 am

calimero wrote:very coool tool! I play it for hours... :)

btw what is PCHG? is it PhotoChrome by Doug?
it would be cool to have HAM mode :)

PCHG is a IFF extension which stands for a "Palette CHanGe" each line. It's quite comparable with the NEOchrome Master raster image format.

PhotoChrome will follow. ;)

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Re: New online "retro" image tool

Postby calimero » Tue Mar 15, 2016 1:35 pm

hm... I did not know even that 'NEOchrome Master raster image' have palette change each line!
Is it older or newer than Spectrum512 format?
using Atari since 1986.http://wet.atari.orghttp://milan.kovac.cc/atari/software/ ・ Atari Falcon030/CT63/SV ・ Atari STe ・ Atari Mega4/MegaFile30/SM124 ・ Amiga 1200/PPC ・ Amiga 500 ・ C64 ・ ZX Spectrum ・ RPi ・ MagiC! ・ MiNT 1.18 ・ OS X

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Re: New online "retro" image tool

Postby Anima » Tue Mar 15, 2016 6:29 pm

calimero wrote:hm... I did not know even that 'NEOchrome Master raster image' have palette change each line!
Is it older or newer than Spectrum512 format?

NEOchrome Master is an improved version of NEOchrome by Delta Force. It's definitely newer than Spectrum 512.

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Re: New online "retro" image tool

Postby NiceGuyUK » Sun Sep 04, 2016 4:34 pm

Hi Anima,

Save seems broken on the NeoChrome Raster format for me right now. Error consoles as follows :-

Firefox
-------
TypeError: Canvas is undefined
SaveSpu()
main.js:3682
SaveImage()
main.js:3672
CreateImageWindow/<.Action()
main.js:2948

Chrome
------
main.js:3682 Uncaught TypeError: Cannot read property 'getContext' of undefinedSaveSpu @ main.js:3682
SaveImage @ main.js:3672
Action @ main.js:2948
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Re: New online "retro" image tool

Postby NiceGuyUK » Sun Sep 04, 2016 4:43 pm

Also - can you re-implement the older version of the checks algorithm? It seemed more pleasing on the eye and "smoother" to me - for example :-

Image

versus

Image
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Re: New online "retro" image tool

Postby Anima » Sun Sep 04, 2016 5:25 pm

Save seems broken on the NeoChrome Raster format for me right now.

Also - can you re-implement the older version of the checks algorithm?

Thanks for the report and sorry for the inconvenience. I actually did too many experiments and unfortunately the "working" version was overwritten with the test files. I'll have to take a look on that for sure.

However, I just was working on the Spectrum 512/4k converter part of the retro image tool today and the newest (but still beta) version can be tested here:

http://tool.anides.de/test/

A short Spectrum 512/4k slideshow program for the Atari ST(E) is also available here (just put the saved SPU files in the same folder and start the program):

http://tool.anides.de/test/slide.prg

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Re: New online "retro" image tool

Postby NiceGuyUK » Sun Sep 04, 2016 5:45 pm

Thanks for the quick response - the test version definitely implements the Checks dither much better (very high seems the closest parallel to the original).

Anything that calls SaveSPU still not saving for me though, it still falls over at var Context = Canvas.getContext("2d"); with the error Uncaught TypeError: Cannot read property 'getContext' of undefined

I am still *very* appreciative of this excellent tool though, I use it a heck of a lot.
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Re: New online "retro" image tool

Postby Anima » Fri Sep 09, 2016 3:19 pm

I just fixed some problems with the NEOchrome Master Raster format saving.

Some notable results (click on the pictures to download the IFF files and load them into NEOchrome Master):

Image

Image

Image

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Re: New online "retro" image tool

Postby NiceGuyUK » Fri Sep 09, 2016 3:58 pm

Awesome- look forward to trying it out over the weekend
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Re: New online "retro" image tool

Postby FedePede04 » Fri Sep 09, 2016 7:22 pm

i don't know what to say, other than Awesome
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Re: New online "retro" image tool

Postby frost » Fri Sep 09, 2016 7:55 pm

Impressive !
My blog, mostly about Atari and demo stuff.

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Re: New online "retro" image tool

Postby NiceGuyUK » Sat Sep 10, 2016 8:16 pm

Simply amazing - I just need to write some code to display them on a real Atari outside of NeoChrome Master now - i.e., 68000 routine for loading and displaying an IFF file. :-D

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