Ralf Ebert ralfebert
ralfebert
/ CompareImages.swift
Last active
April 15, 2025 14:24
— forked from SheffieldKevin/compareimages.swift
A couple of swift functions for comparing two CGImage using CIImage in OS X
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| import CoreGraphics | |
| import CoreImage | |
| func imageMetadataString(image: CGImage) -> String { | |
| return "\(image.width)x\(image.height) bitsPerComponent:\(image.bitsPerComponent) bytesPerRow:\(image.bytesPerRow) bitsPerPixel:\(image.bitsPerPixel)" | |
| } | |
| /** | |
| @brief Returns the maximum difference of pixel values in the image. | |
| @discussion Assumes doImagesHaveSameMeta has already returned true on |
ralfebert
/ swift-kvo-example.swift
Last active
October 18, 2020 21:41
— forked from correia/swift-kvo-example.swift
Swift 1.1: dynamic for observable properties neccessary, observeValueForKeyPath signature changed
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| // | |
| // Swift-KVO | |
| // | |
| // Created by Jim Correia on 6/5/14. | |
| // Copyright (c) Jim Correia. All rights reserved. | |
| // | |
| // Update: 6/17/2014 | |
| // | |
| // KVOContext has gone away; use the same idiom you'd use from Objective-C for the context |