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List:       kde-kimageshop
Subject:    Re: Patch: Many composite/blend modes mostly compatible to Adobe
From:       Timothée_Giet <animtim () gmail ! com>
Date:       2011-01-15 14:23:42
Message-ID: AANLkTin6jhRhRe4q_urUrF07rL=yFKJ0LGfKsjsrYAW3 () mail ! gmail ! com
[Download RAW message or body]

[Attachment #2 (multipart/alternative)]


"Do you mean when you have several other layer and you create a new layer o=
n
top of them and paint

> on the new layer, then the combined transparency (alpha channels) of the
> layers under the new layer
> is copied to the new layer and the color is used from the brush?
> If you mean this, it would actually be a cool idea. Would be pretty usefu=
l
> (at least for me :D), but this is not really
> a blending mode (i mean, yes it somehow is but not really :D). I think th=
e
> brush code would need some modifications for that. Can you tell me a prog=
ram
> that support this (so i can try it out). I haven't found something like t=
his
> in Gimp or Photoshop."
>
>

That's the idea, but exactly "the combined transparency (alpha channels) of
the layers under the new layer" is not "copied"  to the new layer, you stil=
l
paint on the whole page, as with any other layer blend mode (meaning if you
turn it back to Normal blend mode the "blend effect" disapear=85)

I use this painting/layer blend mode on TVPaint (the best commercial
Painting application to me ;) )
(There was an open beta for Linux but it was usable until January 1st, I
don't think there is a new one yet. If you can try the win or mac demo)

Also this blend mode is in Open Source app SYNFIG STUDIO !!! it's a vector
program but the Onto mode is there (with a few original useful others, like
Straight and Straight Onto=85)
Look at here: http://www.synfig.org/wiki/Blend_Method_Parameter

[Attachment #5 (text/html)]

&quot;Do you mean when you have several other layer and you create a new
    layer on top of them and paint<br><div class="gmail_quote"><blockquote \
class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, \
204, 204); padding-left: 1ex;"><div bgcolor="#ffffff" text="#000000">

    on the new layer, then the combined transparency (alpha channels) of
    the layers under the new layer<br>
    is copied to the new layer and the color is used from the brush?<br>
    If you mean this, it would actually be a cool idea. Would be pretty
    useful (at least for me :D), but this is not really<br>
    a blending mode (i mean, yes it somehow is but not really :D). I
    think the brush code would need some modifications for that. Can you
    tell me a program that support this (so i can try it out). I haven&#39;t
    found something like this in Gimp or Photoshop.&quot;<br>
  </div><br></blockquote></div><br><br>That&#39;s the idea, but exactly &quot;the \
combined transparency (alpha channels) of  the layers under the new layer&quot; is \
not &quot;copied&quot;  to the new layer, you still paint on the whole page, as with \
any other layer blend mode (meaning if you turn it back to Normal blend mode the \
&quot;blend effect&quot; disapear…)<br> <br>I use this painting/layer blend mode on \
TVPaint (the best commercial Painting application to me ;) )<br>(There was an open \
beta for Linux but it was usable until January 1st, I don&#39;t think there is a new \
one yet. If you can try the win or mac demo)<br> <br>Also this blend mode is in Open \
Source app SYNFIG STUDIO !!! it&#39;s a vector program but the Onto mode is there \
(with a few original useful others, like Straight and Straight Onto…)<br>Look at \
here: <a href="http://www.synfig.org/wiki/Blend_Method_Parameter">http://www.synfig.org/wiki/Blend_Method_Parameter</a><br>
 <br><br>



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