11/21/2023 0 Comments Gimp trim selection by one pixelI find GIMP’s handling of this aspect to be a bit of a drawback, but I’ll show you some simple ways around the problem later on in the tutorial. The mask itself isn’t visible in the final image, but it can be displayed temporarily while working within GIMP to give you an idea of which areas are masked and which aren’t. Various shades of gray allow the creation of partially transparent areas, depending on how light or dark the gray tones are. If you paint white pixels on a layer mask, the corresponding area of the standard pixel layer becomes visible, while painting black pixels makes the corresponding area transparent. Technically, it works by modifying the layer’s alpha channel, which controls the transparency of the layer. I’ll also include a couple of handy tips for making the masking process much easier! How Does Masking Work?Ī mask is a kind of invisible secondary layer that sits over the top of a standard pixel layer, controlling which areas of the underlying pixel layer are visible. But if you’re new to the world of masking and you want to understand how they work in more detail, then read on. If you’ve already used masking in a different editing program, that’s probably all you need to get going on your project in GIMP.
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