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Can't seem to edit a layer mask with paint brush


Nazario

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Not sure if its me doing something wrong but im unable to edit a layer mask using the black and white paint brush?!

Ive created a mask and now need to amend small areas of it so was expecting to paint white and/or black on it to adjust accordingly. But all that happens is I get is the mask being erased no matter what colour I use.

 

Any one else have this issue?

 

1.8.4

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There's nothing selected. If there was should it not stop me from editing anywhere outside of that selection? i.e. you wouldn't see the erasing that is happening unless im within the bounds of the selection? 

A further note even if I right click on the Layer Mask and choose 'Edit Mask' it only 'paints black'.

After a restart however it seems to work.

File attached anyway.

deaf_girl_gmap.afphoto

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mask.jpg

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Haha thanks for spotting that too MEB I totally thought I was going mad. Sumpin' definitely wonky it's broken again after working after a restart. All I did was change the opacity in the slider Carl pointed out and now the paint brush no matter the colour is erasing the mask again.

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5 minutes ago, anon2 said:

When you switched to white paint for the Paint Brush Tool, but continued to paint black, the Colour panel showed both white and black. Weird bug.

1742475992_whitepaintingblack.png.70e693eb91a162d34d7e3961a1f5d075.png

hmm... maybe this is why I really struggle to get my head around using colours in Affinity. Also Trying to reorder swatches causes a crash to desktop which I submitted quite a while ago. It’s still not fixed in 1.8.4. Maybe I have a very wonky installation regarding colours, swatches and panels?!

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  • 1 month later...
  • Staff

Hi Marilynn,
Are you sure it was the Opacity value that was set to 0% in your case for your foreground/background colors? The issue above is a bit hard to replicate from the information on this thread alone. Seems there was some steps taken before the video was recorded that leaved the app in a weird state. Can you give us more details about your case please? Thanks.

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I have the same problem. I cannot paint on a mask with the paintbrush.

If I invert the mask (ctrl+i) I can paint in white with the color replacement tool.

As I try to show the mask as: (overlay, white/black/transparent) nothing happens.

It is a new effect I did not see before I upgraded to 1.8.5.703

I did all the standard steps like restarting the computer and reinstalling (repairing) Affinity photo.

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  • 2 weeks later...
On 10/23/2020 at 9:33 AM, Nazario said:

Not sure if its me doing something wrong but im unable to edit a layer mask using the black and white paint brush?!

Ive created a mask and now need to amend small areas of it so was expecting to paint white and/or black on it to adjust accordingly. But all that happens is I get is the mask being erased no matter what colour I use.

 

Any one else have this issue?

 

1.8.4

movie.mov

I have had the same difficulty for a long time, I entered the forum in search of an answer. I will see if at the end of the reading I find the answer, if not I will continue investigating.

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  • 6 months later...

The problem still persists on Affinity Photo 1.9.3 and Big Sur 11.4 Mac OS when using an image stack with two images and a corresponding mask layer assigned to  each of them.  It does not paint white on top of black in the mask layer. The color and opacity settings seem totally fine. Restart does not help.

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On 6/29/2021 at 2:57 AM, Cepera said:

The problem still persists on Affinity Photo 1.9.3 and Big Sur 11.4 Mac OS when using an image stack with two images and a corresponding mask layer assigned to  each of them.  It does not paint white on top of black in the mask layer. The color and opacity settings seem totally fine. Restart does not help.

Welcome to the Serif Affinity forums.

If you mean an official stack (File > New Stack) then I think that masking is handled somewhat differently, with some special rules for how masking works. I don't think that would cause what you just described, but I think it might be better for you to start your own topic, and to provide screenshots showing the Layers panel, and possibly a sample .afphoto document.

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  • 2 years later...

Hi @MarlaAu and welcome to the forums,

When you add a Layer Mask by either clicking the Mask icon at the bottom of the Layers panel or going to Layer > New Mask Layer, the mask layer itself will appear as a greyscale Layer.

If you want to invert the layer you can use Cmd + I (Mac), Ctrl + I (Windows) or use Layer > Invert...

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  • 2 months later...
On 8/19/2023 at 6:37 AM, MarlaAu said:

To paint on a mask Layer the Primary and Secondary colors must be in Grayscale. 

The Default on my file was RGB.

I would like to know if this fix works for others.

Screenshot2023-08-19at12_25_24AM.png.7c8017f8206678af29f767d60a7a41fb.pngScreenshot2023-08-19at12_25_16AM.png.6967fe26667fb1b012a714e25cfee853.png

You can paint in any color mode on masks, no need to use greyscale.
all colored will be automatically converted when applied on a mask layer, only the lightness will be used.

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  • 8 months later...

Hey, I think I managed to reproduce the problem.

So far, every layer I turn Layer Effect > Outline on, the layer mask starts bugging out when I try to use white/black on it. It just acts like paint and not mask. I am on a Windows PC with the newest update.

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