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Omar Alshammary omaarr90

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@danielctull
danielctull / UICollectionViewFlowLayout+DelegateAccess.swift
Last active May 16, 2019 14:00
Wraps the six UICollectionViewFlowLayout delegate methods and their equivalent properties using functional programming techniques, so that values are easier to retrieve. Full details at: http://danieltull.co.uk/blog/2018/04/13/simplifying-uicollectionviewflowlayout-delegate-method-usage-with-functional-programming/
extension UICollectionViewFlowLayout {
typealias DelegateMethod<Key, Value> = ((UICollectionView, UICollectionViewLayout, Key) -> Value)
private var delegate: UICollectionViewDelegateFlowLayout? {
return collectionView?.delegate as? UICollectionViewDelegateFlowLayout
}
func retrieve<Key, Value>(
@tempire
tempire / swift_draw_image_on_pdf.swift
Created April 25, 2015 09:24
swift draw image on pdf
func drawOnPDF(path: String) {
// Get existing Pdf reference
let pdf = CGPDFDocumentCreateWithURL(NSURL(fileURLWithPath: path))
// Get page count of pdf, so we can loop through pages and draw them accordingly
let pageCount = CGPDFDocumentGetNumberOfPages(pdf);
// Write to file
UIGraphicsBeginPDFContextToFile(path, CGRectZero, nil)
/*
File: UIImage+ImageEffects.h
Abstract: This is a category of UIImage that adds methods to apply blur and tint effects to an image. This is the code you’ll want to look out to find out how to use vImage to efficiently calculate a blur.
Version: 1.0
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
Inc. ("Apple") in consideration of your agreement to the following
terms, and your use, installation, modification or redistribution of
this Apple software constitutes acceptance of these terms. If you do
not agree with these terms, please do not use, install, modify or