NetNewsWire/iOS/Extensions/UIImage-Extensions.swift
2019-04-19 07:49:35 -05:00

39 lines
962 B
Swift

//
// UIImage-Extensions.swift
// NetNewsWire
//
// Created by Maurice Parker on 4/18/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import UIKit
extension UIImage {
func maskWithColor(color: UIColor) -> UIImage? {
let maskImage = cgImage!
let width = size.width
let height = size.height
let bounds = CGRect(x: 0, y: 0, width: width, height: height)
let colorSpace = CGColorSpaceCreateDeviceRGB()
let bitmapInfo = CGBitmapInfo(rawValue: CGImageAlphaInfo.premultipliedLast.rawValue)
let context = CGContext(data: nil, width: Int(width), height: Int(height), bitsPerComponent: 8, bytesPerRow: 0, space: colorSpace, bitmapInfo: bitmapInfo.rawValue)!
context.clip(to: bounds, mask: maskImage)
context.setFillColor(color.cgColor)
context.fill(bounds)
if let cgImage = context.makeImage() {
let coloredImage = UIImage(cgImage: cgImage)
return coloredImage
} else {
return nil
}
}
}