How do I crate a wallpaper from a screen captured image? I am assuming this is the safest way to get a free one i.e. no virus or other commitment. So this is about an image program and knowing the details of the image. Thanks.
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Wallpapers creation.
- Thread starter happyhacker
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This will depend on the screen shot - mainly dimensions in pixel as well as content (small structures, detailed textures, etc.)
But I don’t get the ”virus or other commitments“-part in the original post - you are displaying a picture in Safari, you have already loaded it into the memory of you device. You can simply drag&drop (or right click&save) it where ever you want, e.g. desktop.
Scaling this then depends again mainly on the pixel dimensions etc. (see above). You should download a picture with a size as close as possible to the dimensions you want. Then you can use e.g. Graphicconverter to try different algorithms to scale or you use Automator.
EDIT: general rule for scaling is to go from big to small. Yes, there are sophisticated, machine learning based approaches for this, but even with them, there is no way to quick&effortlessly upscale a 300x300 pixel/70ppi picture to look good as background for your iPad Pro or whatever 🤓
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So you referring to some Stegosploit which encodes “drive-by” browser exploits and deliver them through image files?
Very basically a malware leveraging the HTML 5 <canvas> to get the browser to read the pixel data as JavaScript? Something like that?
Well, a screenshot will not help, because that ship has long sailed when your browser displays the image. 🤓
I was assuming a screen shot of an image (free one of course) as opposed to downloading/copy it would be entirely safe. But I get the point about having actually displayed it in the browser in the first place. But that is not going to happen really is it? people look at images all the time - don't they? Say I look for 'Space' images online and google as images (not 'All'), they will be safe won't they?
Don't know whether I'm confused or not here! 😊
Don't know whether I'm confused or not here! 😊
I would be very skeptical that a downloaded image would contain "rogue code". The website may not be friendly (but then again, why are you on the internet without some sort of ad and script-blocker in the first place), but the images themselves should be totally fine. A screencap you took yourself should be even less of an issue.
