{"id":7375,"date":"2025-06-01T12:15:06","date_gmt":"2025-06-05T05:05:05","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7375"},"modified":"2025-06-05T12:15:06","modified_gmt":"2025-06-05T05:05:05","slug":"https-badgameshow-com-steven-358","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-358\/","title":{"rendered":"2025 \u6700\u65b0 Swift \u5716\u7247\u8655\u7406\u8207\u6548\u679c\u5c55\u793a\u6559\u5b78 | \u8b93\u60a8\u7684\u5716\u7247\u66f4\u7f8e\u9e97\uff01\ud83d\udcf7"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"swift, \u5716\u7247\u8655\u7406, \u6548\u679c\u5c55\u793a, Swift \u6559\u5b78\"><\/p>\n<p>Swift \u662f\u4e00\u7a2e\u975e\u5e38\u6d41\u884c\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc iOS \u548c macOS \u958b\u767c\u3002\u900f\u904e 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Swift\uff0c\u60a8\u53ef\u4ee5\u5c0d\u5716\u7247\u9032\u884c\u591a\u7a2e\u8655\u7406\uff0c\u8b93\u5716\u7247\u5c55\u73fe\u51fa\u66f4\u4f73\u7684\u6548\u679c\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u6ffe\u93e1\u4f86\u6539\u8b8a\u5716\u7247\u7684\u98a8\u683c\uff0c\u6216\u662f\u4f7f\u7528\u6f38\u8b8a\u6548\u679c\u4f86\u589e\u5f37\u5716\u7247\u7684\u8996\u89ba\u5438\u5f15\u529b\u3002<\/p>\n<h2>\u7a0b\u5f0f\u78bc\u7bc4\u4f8b\uff1a\u6a21\u7cca\u8655\u7406\u5716\u7247<\/h2>\n<p>\u4e0b\u9762\u662f\u4e00\u500b\u4f7f\u7528 Swift \u9032\u884c\u5716\u7247\u6a21\u7cca\u8655\u7406\u7684\u7bc4\u4f8b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">import UIKit\n\nextension UIImage {\n    func applyBlur(withRadius radius: CGFloat) -> UIImage? {\n        guard let ciImage = CIImage(image: self) else { return nil }\n        let filter = CIFilter(name: \"CIGaussianBlur\")\n        filter?.setValue(ciImage, forKey: kCIInputImageKey)\n        filter?.setValue(radius, forKey: kCIInputRadiusKey)\n        guard let outputImage = filter?.outputImage else { return nil }\n        return UIImage(ciImage: outputImage)\n    }\n}\n\n\/\/ \u4f7f\u7528\u7bc4\u4f8b\nlet image = UIImage(named: \"image.jpg\")\nlet blurredImage = image?.applyBlur(withRadius: 5)\n<\/code><\/pre>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5728\u9032\u884c\u5716\u7247\u8655\u7406\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5716\u7247\u7121\u6cd5\u52a0\u8f09\uff1a\u6aa2\u67e5\u5716\u7247\u540d\u7a31\u548c\u8def\u5f91\u662f\u5426\u6b63\u78ba\u3002<\/li>\n<li>\u6ffe\u93e1\u6548\u679c\u672a\u986f\u793a\uff1a\u78ba\u4fdd\u5df2\u6b63\u78ba\u5c0e\u5165 Core Image \u6846\u67b6\u3002<\/li>\n<\/ul>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u4f7f\u7528 Swift \u9032\u884c\u57fa\u672c\u7684\u5716\u7247\u8655\u7406\uff0c\u4e26\u5c55\u793a\u51fa\u7f8e\u9e97\u7684\u6548\u679c\u3002\u7121\u8ad6\u662f\u958b\u767c iOS \u61c9\u7528\u9084\u662f\u9032\u884c\u5716\u50cf\u7de8\u8f2f\uff0cSwift \u90fd\u662f\u60a8\u4e0d\u53ef\u6216\u7f3a\u7684\u5229\u5668\uff01\ud83d\udcf7<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q: \u5982\u4f55\u5c07\u5716\u7247\u8f49\u63db\u70ba PNG \u683c\u5f0f\uff1f<\/h3>\n<p>A: \u60a8\u53ef\u4ee5\u4f7f\u7528 UIImagePNGRepresentation \u51fd\u6578\u5c07 UIImage \u8f49\u63db\u70ba PNG \u683c\u5f0f\u3002<\/p>\n<h3>Q: Swift \u4e2d\u6709\u54ea\u4e9b\u5e38\u7528\u7684\u5716\u7247\u8655\u7406\u5eab\uff1f<\/h3>\n<p>A: \u5e38\u7528\u7684\u5716\u7247\u8655\u7406\u5eab\u5305\u62ec Core Image\u3001GPUImage \u548c Kingfisher \u7b49\u3002<\/p>\n<h3>Q: \u5982\u4f55\u8abf\u6574\u5716\u7247\u7684\u5927\u5c0f\uff1f<\/h3>\n<p>A: \u60a8\u53ef\u4ee5\u4f7f\u7528 UIGraphicsBeginImageContextWithOptions 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