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Hello,

I'm a photoshop user and I'm currently testing Affinity Photo, and I really like it... but there's one feature I can't find, which is "lock transparent pixels" (layer panel, in photoshop)

In Affinity, it seems that the only lock provided is for preventing moving layers around... 

Is it hidden somewhere? 

Thank you :) 

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10 hours ago, liltus said:

Hello,

I'm a photoshop user and I'm currently testing Affinity Photo, and I really like it... but there's one feature I can't find, which is "lock transparent pixels" (layer panel, in photoshop)

In Affinity, it seems that the only lock provided is for preventing moving layers around... 

Is it hidden somewhere? 

Thank you :) 

There is a ‘Protect Alpha’ button on the context menu of the Paintbrush Tool  which stops you painting on transparent areas.

There is a Preserve alpha on many filters which stops the transparent areas affecting the result of the filter.


Windows PCs. Photo and Designer, latest non-beta versions.

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Hi liltus,

Welcome to the forums.

In Affinity Photo it's done on a tool level, so when using the Brush Tool, enable Protect Alpha on the Context Toolbar. You may want to have a read of this forum thread as it covers another way of achieving a similar to that of PS. 

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oh thank you, both of you :) 

now I hope they will add the same alpha option on other tools like clone stamp and so on...

and I can see on the other thread (thank Lee for the link) that I'm not the only one missing that old good Cmd+Del of photoshop ^^ 

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5 hours ago, owenr said:

 

You can't lock alpha of a particular layer, but you can lock alpha of all layers by disabling the editability of Composite Alpha in the Channels panel. Click the pencil icon at right-hand end of a composite channel to toggle the channel's editability.

 

hmmm... a bit odd, but interesting...  

thank you for the help!

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