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Omprakash Selvaraj

Any Blend modes that takes Hue from Blend layer and retains S and Lightness (Not Luminosity) from Bottom Layer?

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Software version: Affinity Photo Beta 1.7.0.243.

The Hue Blend mode in affinity is taking Saturation and Luminosity from bottom layer and Hue from Blend layer. 

Could anybody suggest is there any blend mode that retains Hue and Lightness from bottom layer and Hue from blend layer. 

View Screen Shots:

 

Bottom Layer: HSL (300, 100, 50)

image.thumb.png.be6f3adc093a8a9b78dd99c2b9e1919d.png

 

 

Blend Layer: HSL (100, 100, 50) (Blend Mode Normal)

image.thumb.png.f519017f7608e1a4d38bf8cb6000110f.png

 

Result with Blend mode Hue: HSL (100, 100, 30) Vs (What I want is (100, 100, 50) )

image.thumb.png.015e5e863f5f7282b8956b7354a1757f.png

 

 

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On 2/28/2019 at 10:30 AM, Chris B said:

Hey Omprakash Selvaraj,

I've heard back from the developers and this is by design.

We use the same maths as can be seen in this PDF spec (the same as Photoshop)
https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdf_reference_archive/blend_modes.pdf

 

 

Yes. I understand that Adobe works that way too. Because Luminosity is to be retained from bottom layer on most occasions.

But latest version of GIMP offers two kind of "HUE" blend mods one that retains Saturation and Luminosity from bottom layer and another "HUE" blend mode that retains Saturation and Lightness from bottom layer.

Hope we expect this in future version of Affinity.

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2 hours ago, Omprakash Selvaraj said:

Yes. I understand that Adobe works that way too. Because Luminosity is to be retained from bottom layer on most occasions.

But latest version of GIMP offers two kind of "HUE" blend mods one that retains Saturation and Luminosity from bottom layer and another "HUE" blend mode that retains Saturation and Lightness from bottom layer.

Hope we expect this in future version of Affinity.

I've always understood Luminosity and Lightness to be interchangeable, ie; the same thing.


Affinity Photo 1.7.2.471 ; Affinity Photo Beta 1.7.2.464; Win10 Home Version:1903, Build: 18362.207: Intel Core i7-4770, 3.90GHz, 32GB Ram, Nvidia GTX 645, 3-Internal HDD (1 Crucial MX5000 1TB, 1-Crucial MX5000 500GB, 1-WD 1 TB), 4 External HDD

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On 3/10/2019 at 4:23 PM, Ron P. said:

I've always understood Luminosity and Lightness to be interchangeable, ie; the same thing.

 L in the HSL mean lightness. And this L does not come into picture when you use luminosity, color and hue blend modes. What comes is the luminosity (i.e) perceived brightness.

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