Telegram-iOS/third-party/VectorPlus/Sources/UIKit/SVG+UIImage.swift

#if canImport(UIKit)
import Swift2D
import SwiftSVG
import UIKit

public extension SVG {
    func uiImage(size: Size) -> UIImage? {
        guard size.height > 0.0, size.width > 0.0 else {
            return nil
        }

        let from = Rect(origin: .zero, size: originalSize)
        let to = Rect(origin: .zero, size: size)

        let paths: [Path]
        do {
            paths = try subpaths()
        } catch {
            return nil
        }

        defer {
            UIGraphicsEndImageContext()
        }

        UIGraphicsBeginImageContextWithOptions(CGSize(size), false, 0.0)

        guard let context = UIGraphicsGetCurrentContext() else {
            return nil
        }

        for path in paths {
            try? context.render(path: path, from: from, to: to)
        }

        return UIGraphicsGetImageFromCurrentImageContext()
    }

    func pngData(size: Size) -> Data? {
        uiImage(size: size)?.pngData()
    }
}
#endif