Identical and similar blend modes

[Roger Eller]

Results may vary depending on OS, video card, and/or video drivers.  Many
of these appear subtly different to me.

~Roger

On May 15, 2017 11:39 PM, "Alejandro Tejada via use-livecode" <
use-livecode at lists.runrev.com> wrote:

> After a quick test, these are my results
> looking for identical and similar blend modes
> but notice that these results could differ
> from your own results:
>
> 1) srcXor = BlendExclusion = BlendDifference
>
> 2) srcOr = addMax = addPin = BlendDodge = BlendLighten = blendScreen =
> BlendPlus
>
> 3) srcCopy = Transparent = BlendHardLight
>
> 4) srcAnd = adMin = BlendBurn = BlendDarken = BlendMultiply
>
> 5) addOver = noop = BlendDstOver
>
> subPin almost looks like reverse
>
> There are many aritmetic and bitwise blending modes
> that do not have a direct equivalent using Imaging
> blend modes... but probably (or not) these blending
> modes could be "simulated" using color overlays,
> groups, structural blends and imaging blend modes
>
> Al
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