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software OS4   software OS4 : SketchBlock - Digital Sketching for AmigaOS4
   posted by broadblues on 28-Dec-2011 2:07:34 (4940 reads)
I'm proud to announce the prototype release of my new app SketchBlock

Get it here

SketchBlock Version 1.1 (prototype release)

Read more...


This a initial release of a proof of concept / prototype of a new paint package for AmigaOS 4 called SketchBlock.

The prototypes supports layered images with variable opacity, and supports graphics tablets.


REQUIREMENTS

AmigaOS4.1 Update 4
AISS 4.12

INSTALLATION

Unpack archive.

USAGE

Run from shell

SOURCE

Source code is provided for reference purposes only. The project is *not* open source. You may read the source code and use it to inform or inspire your own project, but you may not build or release a binary version of SketchBlock, modified or otherwise.

The right not to include source code in future releases is reserved.

Have fun

Andy

PS Please send fedback to andy@broad.ology.org.uk
    

Related Links
· More about software OS4
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realize 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 7:03:36
#1 ]
Super Member
Joined: 14-Apr-2003
Posts: 1797
From: nyc

Awesome. Good job man

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Niolator 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 7:09:11
#2 ]
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Joined: 3-May-2003
Posts: 1407
From: Unknown

Well done. I will try it later today.

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Kicko 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 7:47:47
#3 ]
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Joined: 19-Jun-2004
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From: Sweden

As soon as i come home :)

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kas1e 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 9:18:18
#4 ]
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Joined: 11-Jan-2004
Posts: 3381
From: Russia

@broadblues
Checked last version on update4 (but with AISS 4.11 through, not AISS 4.12): have no crashes at all while plays with all the possible options, layers and so on. Through found that when i choice "create layer as white" (via + button) it make a chess-kind area (transparent imho), but not white one.

But in others, even if it a bit simply now, its already usable. I also run cpu-metter in background to see how fast all of this works, and its all is fine:

- 1% of cpu loading when do nothing
- 1-4% of cpu loading when i choice brush of 1 pixel of size and pain fast-fast
- 1-15% of cpu loading when i choice brush size to 300 , and move fast-fast

In compare with OpenGL's LodePaint, which 100% load cpu and give about 15fps on that operations, its will be very-very nice replacement for me.

And as it have arexx support, i think about making to context menu something like "save as jpg", "save as png" options, on which via arexx i will sayd to editor save-and-convert. So then it can be just usable even as fast editor-convertor.

Hope it will mature more :)

Last edited by kas1e on 28-Dec-2011 at 09:18 AM.


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Seblam 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 9:28:43
#5 ]
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Joined: 25-Aug-2007
Posts: 142
From: France

@broadblues

Wow it sounds very cool, i wont be able to test before end of hollydays in one week so maybe someone could post some screenshots to help me being patient

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samo79 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 9:38:43
#6 ]
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Joined: 13-Feb-2003
Posts: 3385
From: Italy, Perugia

It looks quite usable and fast for a first version


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kas1e 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 9:39:26
#7 ]
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Joined: 11-Jan-2004
Posts: 3381
From: Russia

@Seblam

Here is screenshot


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Seblam 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 10:05:09
#8 ]
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Joined: 25-Aug-2007
Posts: 142
From: France

@kas1e

Thanks very much and your message in the screenshot very well appreciated

@broadblues

I will test it as soon as possible, i have a wacom intuos tablet so if you need some feedback about graphics tablet, I would be happy to help you.

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broadblues 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 12:37:27
#9 ]
Amiga Developer Team
Joined: 20-Jul-2004
Posts: 4401
From: Portsmouth England

The filename at os4depot has ben updated. Here's the new link.
New link

@all

Thanks for the positive feedback!

@Kas1e

Yes, found that glitch whith the white background, last night just after uploaded, haven't checked why yet, but I'm guessing on a missing break statement....

The good thing is that you normally want to add transparent layers over the background, so it shouldn't be too much of an issue to start with, and ofcourse it will be fixed, before the next update.

As you have tested CPU suage for drawing is quite good, if you try scrolling a large project though.....


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broadblues 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 13:44:12
#10 ]
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Joined: 20-Jul-2004
Posts: 4401
From: Portsmouth England

Quote:

I will test it as soon as possible, i have a wacom intuos tablet so if you need some feedback about graphics tablet, I would be happy to help you


Do you use that with OS4? I'd (pleasantly) suprised if it worked!

Currently my UCLogicTablet driver works. I'm think of added sensitivity curves to that as a next step.


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Seblam 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 13:54:03
#11 ]
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Joined: 25-Aug-2007
Posts: 142
From: France

@broadblues

No I never used it with OS4 but i will give it a try on my A1XE when back from hollidays. I will tell you the results.
Maybe yomgui author of gribouillis3 on MOS could help you on tablet support. I never used it but i read that it supports quite well wacom tablets.

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broadblues 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 14:41:38
#12 ]
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Joined: 20-Jul-2004
Posts: 4401
From: Portsmouth England

@seblam

I don't need help on tablet support I wrote the UCLogictablet driver

As long as the tablet uses the NEWTABLET input.device messages, it'll work (only pressure is supported in SketcBlock as I don't have tablet with tilt, not really sure what tilt should do to a painting operation).

The wacom tablet needs a driver though. I doubt it'll work with the UCLogic USB driver.

Last edited by broadblues on 28-Dec-2011 at 02:51 PM.
Last edited by broadblues on 28-Dec-2011 at 02:43 PM.


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whose 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 15:03:00
#13 ]
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Joined: 21-Jun-2005
Posts: 893
From: Germany

Quote:
As long as the tablet uses the NEWTABLET input.device messages, it'll work (only pressure is supported in SketcBlock as I don't have tablet with tilt, not really sure what tilt should do to a painting operation).


e.g. support for special brush shapes that give different line (ends) depending on the tilt. You could use this for e.g. calligraphy.

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Cass 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 16:49:12
#14 ]
Regular Member
Joined: 18-Nov-2003
Posts: 478
From: Athens, Greece

Nice and fast feeling while doodling...
But I`ve uncompressed the file in RAM just to test it and it created an ENVARC variable... (I think this is the Registry Hellraiser... bit by bit )


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broadblues 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 17:24:40
#15 ]
Amiga Developer Team
Joined: 20-Jul-2004
Posts: 4401
From: Portsmouth England

What enarc variabale? Pretty sure I don't use any in SketchBlock, directly. I can't see any on my ENVARC: (except APPDIR: which is a system thing)

Last edited by broadblues on 28-Dec-2011 at 05:25 PM.


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mbrantley 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 28-Dec-2011 23:19:57
#16 ]
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Joined: 10-Jun-2010
Posts: 524
From: Mobile, Alabama, United States

Andy, I'm distracted from Amiga stuff by a couple of other things, but trying out your new program is at the top of my Miggy things to do in a few days. I haven't even had time to install the OS update, for goodness sake!

But, as always, thanks!!!


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Moxee 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 29-Dec-2011 2:01:33
#17 ]
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Joined: 20-Aug-2003
Posts: 6291
From: County Yakima, WA State, USA

@ broadblues

Quote:
The file name at os4depot has been updated. Here's the new link.
New link


I corrected the main article above.

_____________
Moxee


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klx300r 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 29-Dec-2011 5:22:42
#18 ]
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Joined: 4-Mar-2008
Posts: 3495
From: Toronto, Canada

thanks Andy


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realize 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 29-Dec-2011 5:29:53
#19 ]
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Joined: 14-Apr-2003
Posts: 1797
From: nyc

kas1e

Thanks for the screenshot. Very funny drawing as well

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Cass 
Re: SketchBlock - Digital Sketching for AmigaOS4
Posted on 29-Dec-2011 10:34:14
#20 ]
Regular Member
Joined: 18-Nov-2003
Posts: 478
From: Athens, Greece

You`re right, its an AppDir file. I`ve run it again and created an entry. A utility that deletes all ram: entries should be useful
Anyhow the painting program is very responsive.


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