56 lines
2.4 KiB
Swift
56 lines
2.4 KiB
Swift
// FontAwesomeImageRepresentable.swift
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//
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// Copyright (c) 2014-present FontAwesome.swift contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import UIKit
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protocol FontAwesomeImageRepresentable: class {
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typealias ImageConfig = (cssIconName: String, style: FontAwesomeStyle, color: UIColor?, backgroundColor: UIColor?)
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var imageWidth: CGFloat { get }
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var imageConfigs: [ImageConfig] { get }
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func createImages(configurationHandler: (_ image: UIImage?, _ index: Int) -> Void)
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}
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extension FontAwesomeImageRepresentable {
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func createImages(configurationHandler: (_ image: UIImage?, _ index: Int) -> Void) {
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let imgSize = imageSizeForAspectRatio()
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for (index, config) in imageConfigs.enumerated() {
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let img = createImage(config: config, size: imgSize)
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configurationHandler(img, index)
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}
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}
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private func createImage(config: ImageConfig, size: CGSize) -> UIImage? {
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return UIImage.fontAwesomeIcon(code: config.cssIconName,
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style: config.style,
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textColor: config.color ?? .black,
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size: size,
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backgroundColor: config.backgroundColor ?? .clear)
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}
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private func imageSizeForAspectRatio() -> CGSize {
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return CGSize(width: imageWidth, height: imageWidth / FontAwesomeConfig.fontAspectRatio)
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}
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}
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