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