svg 加载

  pod 'SVGKit'

扩展

//
//  UIImage+SVG.swift
//  CMS
//  Created by JoyTim on 2024/3/28
//  Copyright © 2024 ___ORGANIZATIONNAME___. All rights reserved.
//
    
import SVGKit
import UIKit
extension UIImage {
    /**
     Show SVG image
     
     - Parameters:
        - name: SVG name
     - Returns: SVG image
     */
    static func svgImageNamed(_ name: String) -> UIImage? {
        guard let svgImage = SVGKImage(named: name) else { return nil }
        return svgImage.uiImage
    }
    
    /**
     Show SVG image
     
     - Parameters:
        - name: SVG name
        - size: Image size
     - Returns: SVG image
     */
    static func svgImageNamed(_ name: String, size: CGSize) -> UIImage? {
        guard let svgImage = SVGKImage(named: name) else { return nil }
        svgImage.size = size
        return svgImage.uiImage
    }
    
    /**
     Show SVG image
     
     - Parameters:
        - name: SVG name
        - size: Image size
        - tintColor: Image color
     - Returns: SVG image
     */
    static func svgImageNamed(_ name: String, size: CGSize, tintColor: UIColor) -> UIImage? {
        guard let svgImage = SVGKImage(named: name) else { return nil }
        svgImage.size = size
        let rect = CGRect(x: 0, y: 0, width: svgImage.size.width, height: svgImage.size.height)
        let alphaInfo = svgImage.uiImage.cgImage?.alphaInfo ?? .none
        let opaque = alphaInfo == .noneSkipLast || alphaInfo == .noneSkipFirst || alphaInfo == .none
        UIGraphicsBeginImageContextWithOptions(svgImage.size, opaque, svgImage.scale)
        guard let context = UIGraphicsGetCurrentContext() else { return nil }
        context.translateBy(x: 0, y: svgImage.size.height)
        context.scaleBy(x: 1.0, y: -1.0)
        context.setBlendMode(.normal)
        context.clip(to: rect, mask: svgImage.uiImage.cgImage!)
        context.setFillColor(tintColor.cgColor)
        context.fill(rect)
        let imageOut = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return imageOut
    }
}

1. 文件放到 main bundle 中
2. 全称调用： UIImage.svgImageNamed("icon_defaultPage_home.svg")