Not too long ago, we needed to print a PDF document here at Thing is, it made us break into a cold sweat because the text was white and the background was entirely black – if Future Publishing’s accountants spotted it, they’d surely tut with disappointment given that the cost of ink is pretty much on a par with fuel! Luckily, we had
Invert a picture’s colours using Preview
Aug 11, 2022
2 minutes
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