05-24-2021, 07:44 AM
It is not very clear from your screenshot however
1) These only exist inside Gimp. They are not there when you export to a png or a jpg. The layers are flattened into a single layer image. If you save your work as a Gimp .xcf then layers and other data guides, masks, channels etc are retained in the file.
Depending what is required use
2)Layer -> Layer to Image Size on an active layer. Does what it says. The layer boundary coinsides with the canvas size.
3) Image -> Fit canvas to layers Does what it says. Use it if the layer boundary is outside the canvas size and you want to keep it.
1) These only exist inside Gimp. They are not there when you export to a png or a jpg. The layers are flattened into a single layer image. If you save your work as a Gimp .xcf then layers and other data guides, masks, channels etc are retained in the file.
Depending what is required use
2)Layer -> Layer to Image Size on an active layer. Does what it says. The layer boundary coinsides with the canvas size.
3) Image -> Fit canvas to layers Does what it says. Use it if the layer boundary is outside the canvas size and you want to keep it.