Category "uiimage"

fetch last item of core data array

In my swift code below my goal is fetch the last image of the core data array. Right now my code is having a runtime error with indexpath. I dont know if you n

SF Symbols Hierarchical, Palette, and Multicolor rendering mode colors?

At WWDC 2021 Apple announced SF Symbols 3, which will support new multi-color SF Symbols in iOS 15 and macOS 12. New color-rendering modes that add depth and e

How to generate a dynamic light/dark mode UIImage from Core Graphics?

iOS 13 introduced UIImage instances that auto-adopt to the current UIUserInterfaceStyle (aka light or dark mode). However, there seem to be only methods to cons

Flip image vertically (Swift)

How to flip an UIImage vertically (up/down)? This is a question that is asked before... Flip UIImage Along Either Axis How to flip UIImage horizontally? How to

SwiftUI - Add Border to One Edge of an Image

It's a pretty straight-forward question - How does one apply a border effect to only the wanted edges of an Image with SwiftUI? For example, I only want to appl

How to compress of reduce the size of an image before uploading to Parse as PFFile? (Swift)

I was trying to upload an image file to Parse after taking photo directly on phone. But it throws an exception: Terminating app due to uncaught exception '

Is it possible to display segment of the UIImage?

I have UIImage with some rounded shape. Is it possible to display somehow some sector of this UIImage. For example only the region from 0 degrees to 45 degrees?

I can't make extension convenience init for UIImage

I want to create UIImage(urlString: String?). There is no error when I run this code but it is not working. extension UIImage { convenience init?(urlString:

Getting a Black and White UIImage (Not Grayscale)

I need to get a pure black and white UIImage from another UIImage (not grayscale). Anyone can help me? Thanks for reading. EDITED: Here is the proposed solut

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