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GIMP TutorialsHighlighting part of image in GIMP (Showcase | Slideshow)

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tim

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Highlighting part of image in GIMP

Post#1 by tim » 01 Oct 2016, 18:48


How to highlight part of an image to show focus or point of interest.
1. Open image you wish to highlight. Here we'll just use a screen capture of this forum listing as an example.
highlighting_an_image.png
highlighting_an_image.png # (77.85 KiB) Viewed 1283 times (Watermarked | Thumbnail)
2. Right click the layer and select "New Layer"
highlighting_an_image_new_layer.png
highlighting_an_image_new_layer.png # (25.38 KiB) Viewed 1283 times (Watermarked | Thumbnail)
3. Select Transparency for layer options and then click OK and new layer will be created.
highlighting_an_image_transparency.png
highlighting_an_image_transparency.png # (12.88 KiB) Viewed 1283 times (Watermarked | Thumbnail)
4. Use the "Rectangle select tool" or another selection tool of your choice to select area that you want to highlight.
highlighting_an_image_select_area.png
highlighting_an_image_select_area.png # (55.67 KiB) Viewed 1283 times (Watermarked | Thumbnail)
5. Ctrl-i (on Windows) to Invert Selection. We're essentially trying to dim down everything else except selected area. That's why we're inverting the selection to select everything else except previously selected area in step 4.
6. Now drag the black color (background or foreground) on to image and let go and it'll fill the selected area with black.
highlighting_an_image_fill_black.png
highlighting_an_image_fill_black.png # (6.88 KiB) Viewed 1283 times (Watermarked | Thumbnail)
7. Now change the layer's opacity (here we changed it to 30%).
highlighting_an_image_change_opacity.png
highlighting_an_image_change_opacity.png # (13.01 KiB) Viewed 1283 times (Watermarked | Thumbnail)
8. And there you have it, our selected area highlighted.
highlighting_an_image_result.png
highlighting_an_image_result.png # (76.82 KiB) Viewed 1283 times (Watermarked | Thumbnail)
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Pat625
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Post#2 by Pat625 » 02 Oct 2016, 20:41


Who Knew!!! I was doing it backward all this time. Thanks, Tin! :D
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Post#3 by trandoductin » 02 Oct 2016, 20:43


What do you mean by backward? :D
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Post#4 by runSPOTrun13 » 27 Nov 2016, 01:09


@Pat625 I've done it backwards as well, by: create new layer/ color to black/ reduce opacity/ then highlight area and either hit delete, or use an eraser tool.
(hmmm can't mention other users in this style of forum huh...)
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tim

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Post#5 by tim » 27 Nov 2016, 04:05


@runSPOTrun13, Thanks for mentioning about the mention. I just added the extension to forum. Now you should be able to to mention people.
So that's what you guys mean when you do it backward, as long as it produces the same effect it is all good.
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Post#6 by runSPOTrun13 » 27 Nov 2016, 21:44


Haha no prob @admin it's a nice way to let people know your commenting on something they said. As far as the whole doing it backwards thing goes, I like it better backwards because you can easily add a nice drop shadow effect or even border/bevel to make it pop a little more with virtually no effort as your zone is already highlighted. (Just keep in mind you'll need to got to "Select/Invert" then "Filters/Light and Shadow/Drop Shadow" or it will put the shadow around the outside of your highlighted area.)
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