To easily straighten a crooked scan or photo in GIMP, don't bother with manual rotation and rulers. Just use the Measure tool (Shift-M) and draw a line along a straight edge or horizon line of your image. Then click the "straighten" button and it will rotate the image to match the line you just drew.
Showing posts with label photography. Show all posts
Showing posts with label photography. Show all posts
Monday, September 21, 2020
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