How to Paint or Clone Stamp on a layer and no paint to spill past the outline of mask?

[Letty2019]

HI all,

In After Effects...

I have a masked out image of a red balloon.

The balloon is the only object in the layer. I placed that ballon layer in a comp, scene is a park.

Now I have a park, with a red balloon on the grass.

Now...

I double click on the balloon layer, and use the Paint brush (or clone stamp) ...

I then manually paint the border outline of the ballon with white, I notice that the white paint spills into the main comp image of the park.  

Now I have a balloon with sloppy white around it's edges that spills into the grass.

Is there a way to paint or clone stamp the balloon layer and stay within the outline edges of the balloon layer?

I hope I asked that right. Can't find a post on this one.

Thanks!
Letty

[Mylenium]

You apply a duplicate of your original cutout as a track matte to your paint layer. You might want to read the online help on this stuff.

Mylenium

[Letty2019]

Thank you,

Yes, dup the layer,  paint on the bottom one and subtract the mask on the top layer.

Works fine.

My new problem is the mask is going over another mask.  I'm really stuck.

It's an actors head, moving around infront of a tv set that the image has been replaced with a mask.

What a mess.

[Towerguy · Accepted solution]

Hi. You can select your layer then  from the top of your screen:Layer/Layer Styles/ Stroke. The in the layer's dropdown set the colour/thickness etc from Layer Styles/Stroke.

[Letty2019]

Thanks, but I think we're on different pages.

[Almed357729248vvg]

1. Open the desired image in your preferred graphics editing app, such as Adobe Photoshop or Procreate.
2. Create a new layer and place it above the layer you want to paint or clone stamp on.
3. Select the brush or clone stamp tool from the toolbar.
4. Adjust the brush size according to your needs, ensuring it matches the details you want to work on.
5. Enable the layer mask on the new layer by clicking on the mask icon in the layers panel.
6. Make sure the layer of app mask is selected and set the foreground color to black.
7. Carefully paint or clone stamp within the mask to reveal the underlying layer while preventing spillage beyond the mask's outline.
8. Use a soft-edged brush for smoother transitions, especially if working on intricate details.
9. Zoom in for precision, ensuring that your brush or clone stamp stays within the defined boundaries of the mask.
10. To fix any mistakes, switch the foreground color to white and paint over areas where you want to conceal or correct.
11. Experiment with different blending modes for the painted or cloned layer to achieve the desired effect.
12. Save your work regularly and utilize the app's undo feature if needed to backtrack and refine your painting or cloning process without compromising the mask's integrity.