Cross-platform Swift library for parsing SVGPath strings

Related tags

Image SVGPath
Overview

Build Codecov Platforms Swift 5.1 License Twitter

Introduction

SVGPath is an open-source parser for the SVG path syntax, making it easy to create CGPaths from this popular format.

SVGPath runs on all Apple platforms, and also Linux (although Linux does not support the CoreGraphics API, so if you need to draw the path you will need to provide your own implementation).

Installation

SVGPath is packaged as a dynamic framework that you can import into your Xcode project. You can install this manually, or by using Swift Package Manager.

Note: SVGPath requires Xcode 10+ to build, and runs on iOS 10+ or macOS 10.12+.

To install using Swift Package Manage, add this to the dependencies: section in your Package.swift file:

.package(url: "https://github.com/nicklockwood/SVGPath.git", .upToNextMinor(from: "1.0.0")),

Usage

You can create an instance of SVGPath as follows:

let svgPath = try SVGPath(string: "M150 0 L75 200 L225 200 Z")

Notice that the SVGPath constructor is a throwing function. It will throw an SVGError if the supplied string is invalid or malformed .

Once you have created an SVGPath object, in most cases you'll want to convert this to a CGPath for rendering on Apple platforms. To do that you can use:

let cgPath = CGPath.from(svgPath: svgPath)

As a shortcut, you can create the CGPath directly from an SVG path string:

let cgPath = try CGPath.from(svgPath: "M150 0 L75 200 L225 200 Z")

Once you have a CGPath you can render it on iOS or macOS using a CoreGraphics context or a CAShapeLayer.

Credits

The SVGPath library is primarily the work of Nick Lockwood.

(Full list of contributors)

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Comments
  • SVGPath coordinate parse issue

    SVGPath coordinate parse issue

    let pathString = "M301 162L307 154L315 149L325 139.5L332.5 135.5L341 128.5L357.5 117.5L364.5 114.5L368.5 110.5L380 105.5L390.5 102L404 96L410.5 96L415 97.5L421 104L425.5 113.5L428.5 126L429.5 134L429.5 141L429.5 148L425.5 161.5L425.5 169L414 184.5L409.5 191L401 201L395 209L386 214.5L378.5 217L368 220L348 219.5L338 218L323.5 212.5L312 205.5L302.5 197.5L295.5 189L291.5 171.5L294 168L298 165.5L301 162z" for this path string, the result shape coordinate y seems flipped. 截屏2022-07-27 10 03 17

    opened by chenyunguiMilook 8
Owner
Nick Lockwood
Nick Lockwood
GitHub
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