Patch: Many composite/blend modes mostly compatible to Adobe Photoshop (c)

[Silvio Heinrich]

On 01/29/2011 05:56 PM, Silvio Heinrich wrote:
> On 01/29/2011 04:30 PM, David REVOY wrote:
>>
>>> @Silvio Heinrich : if gimp really uses just HSV then it is not 
>>> really superior.
>> Oh, I really don't know nothing about how and why color modes prefer 
>> use HSV or HSL luma , I'm just a digital painter user. The only 
>> feedback I can give are with pictures like the previous mail :-)
>> Btw, you are right , my use of 'superior' word needs to be explain : 
>> the color mode in Photoshop ( I used it for years too) don't work 
>> nicely with yellow/orange tones painting over gray. You obtain only a 
>> muddy green/yellowish tones. That's why I called the Gimp one 
>> 'superior' ; because if you use it as a painter to recolor a part and 
>> like to use yellow or orange ; the Gimp one will be more efficient 
>> for this case. That's why I always prefered the way Gimp handle it 
>> than Photoshop.
>> Just to defend that the two way are usefull :) and I agree and like 
>> if you planed to support more then one color model. Good way !  and 
>> thanks for the link.
>>
>>
>> --David
> Hmm... this muddy yellowish tone is actually dark yellow i would say :D.
> I don't want to annoy you but i just did a little speedpainting (just 
> a hour or so, nothing fancy) in value (grayscale)
> and then colored it in yellow with HSL (left) and HSV (right).
> I think one can see that the left side preserves the lightness of the 
> image much better then the right side.
> This is the reason why the photoshop way is usually preferred.
> I know that many of the really great artists paint in value first (to 
> get the contrast between light and dark right at the start) and then 
> they add color. Since i used gimp for years this didn't really work 
> for me because the HSV coloring changes the lightness too much...
> It's funny that you actually were annoyed by photoshop and went to gimp.
> In contrary i was so annoyed after years of using gimp that i wanted 
> to switch to photoshop ^__^ but then i found krita :D
>
>
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Uff... i'm such a scatterbrain :/
here is the picture:
http://imagebin.org/135035

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