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I know this is covered in the manual somewhere, but I just can't for the life of me find it / figure it out. How can I make it so ...
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  1. #1
    Linux Guru lakerdonald's Avatar
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    Transparency fun with the GIMP


    I know this is covered in the manual somewhere, but I just can't for the life of me find it / figure it out. How can I make it so that a layer has a transparent background, but still have the ability to use the fill tool? I guess a better way of saying it would how can I take an image, and instead of having the background be white, have it be transparent?
    I've done it before with the GIMP, but it's been so long I can't remember...

  2. #2
    Linux Engineer Zelmo's Avatar
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    I haven't managed to do it with the fill tool, but I get the same effect by doing the following:
    Select a contiguous region by color.
    Pick the eraser tool, with an appropriately large size.
    Run the eraser over the image. Only the portion selected by step 1 will actually be erased, leaving a transparent background there.

    I'm sure there must be a way to do it with fill, which would be maybe one step shorter and a bit quicker, but like you, I haven't managed to figure it out.
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  3. #3
    Linux Guru lakerdonald's Avatar
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    Ah...I suppose that would work.

  4. #4
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    Bucket Fill>Tool Options

    Check "fill transparent areas" .

  5. #5
    Linux Enthusiast flipjargendy's Avatar
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    Make a new transparent layer.

    Select the area of the image you want gone and hit Ctrl-K.

    Select all, cut and paste it in the transparent layer.
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  6. #6
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    I believe what you have to do is go to "layers>transparency>alpha to transparency" something along those lines, I haven't used gimp in a while I will go back and check though

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