Popularity
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Code Quality Rank: L5
Programming language: Swift
License: GNU General Public License v3.0 or later
Tags: Images    
Latest version: v2.2.0

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README

Snowflake

❤️ Support my apps ❤️

❤️❤️😇😍🤘❤️❤️

Version Carthage Compatible License Platform Swift

[](Screenshots/Banner.png)

Description

  • SVG in Swift
  • Use XML parser from Reindeer

Usage

Document

  • Create a Document with SVG Data
guard let path = Bundle.main.path(forResource: "xmas", ofType: "svg"),
  let data = try? Data(contentsOf: URL(fileURLWithPath: path)),
   let document = Snowflake.Document(data: data)
 else { return }

let view = document.svg.view(size: CGSize(width: 100, height: 100))
  • The flow is SVG element -> Shape -> UIBezierPath -> CALayer
  • Make Shape from attributes
let attributes: [String: Any] = [
  "fill": "#358245",
  "stroke": "black",
  "stroke-miterlimit": "10",
  "d": "M308.3,102.3c4.5,8.2,9,16.2,13.2,24.3c7.2,13.9,15.8,26.9,25.6,39c10.1,12.4,21.5,23.6,33.6,34.1c2.5,2.1,5.2,3.9,8.1,6c-5.1,3.5-11.2,3.8-17,4.2c-11.9,0.9-23.7,1.5-36.4,2.3c22.7,46.7,59.7,74.6,109.7,88.1c-4.2,3.8-7.7,7.4-11.7,10.4c-11.3,8.6-24.4,13.7-38,17.4c-10.1,2.8-20.3,5-31.3,7.7c3.2,5,5.8,10.2,9.5,14.7c6.9,8.5,14.1,16.9,21.7,24.7c12.5,12.9,27.3,23,43.2,31c17.5,8.8,35.5,16.7,53.8,25.2c-3.4,3.1-6.9,7.1-11.2,10.1c-17,12.1-36.1,19.4-56.4,23.8c-8.7,1.9-17.3,3.7-27.5,5.8c5,4.7,9,9.2,13.7,12.6c13.2,9.4,26.4,19,40.4,27.1c11.8,6.9,24.6,12.1,37.3,17.4c10.4,4.3,21.1,7.7,31.7,11.5c1.1,0.4,2.3,0.5,4.4,0.9c-2.1,2.6-3.5,5.3-5.7,7c-6.7,5.3-13.2,10.8-20.5,15.1c-14.8,8.7-30.5,15.6-47.5,19.2c-17.8,3.8-35.6,3.1-53.3-0.8c-18.1-3.9-35.4-10.3-52.6-16.8c-5.7-2.2-11.7-3.7-17.5-5.8c-2.8-1-3.9,0.1-4.2,2.7c-1.1,11.3,2.7,22.1,15.6,22.4c2,0.1,3.9,0.6,5.9,0.7c6,0.3,8.7,3.1,7.7,9.1c-2,12.5-4.4,25-6.6,37.6c-2.6,14.6-5.1,29.2-7.6,43.8c-0.3,2-1.1,2.9-3.3,2.9c-17.2-0.1-34.4,0-51.6-0.1c-2.2,0-4.4-0.5-7-0.7c-1.2-6.4-2.4-12.8-3.5-19.2c-3.5-20.7-7-41.3-10.5-62c-1.8-10.5-1-9.6,8.8-11.5c4.4-0.8,9.1-1.5,13.1-3.5c5.8-2.9,8.8-15.1,6.1-21.1c-1-2.3-2.4-1.9-4.1-1.3c-10.5,3.9-21.1,7.8-31.6,11.8c-20.4,7.7-41.2,12.9-63.3,13.6c-26.3,0.8-49.9-6.4-72.4-18.8c-11.1-6.2-21.7-13.3-32.3-20.6c47.5-18,93.7-37,131.4-73.8c-35.8-5.2-68-17.1-97.8-38.3c5.2-2.4,9.3-4.5,13.6-6.1c26.2-9.7,50.5-23,72.6-40c17.5-13.4,32.1-29.6,43.7-48.5c0.3-0.4,0.4-0.9,0.6-1.5c-13.9-4-27.8-7.4-41.3-12.1c-13.5-4.7-26.3-11-37.1-22.2c4.8-2.1,9.1-4.3,13.5-6c19.2-7.5,36.9-17.5,52.4-31.2c15.1-13.4,27.5-29.1,38.1-46.2c0.7-1.1,1.3-2.3,1.9-3.5c0.5-1.2,1-2.4,1.5-3.9c-17.9-2.9-36.2,1.7-54.4-4.8c18.9-13.7,34.9-28.9,47.3-47.3C285.1,140.7,296.2,121.7,308.3,102.3z"
]

let path = Path(attributes: attributes)
let layer = path.layer

Shapes

  • The Shape object maps to SVG elements

    • path: Path
    • circle: Circle
    • line: Line
    • polygon: Polygon
    • polyline: Polyline
    • rect: Rectangle
    • ellipse: Ellipse
    • text: Text
    • image: Image

  • Path handles list of commands through Command object

Style

  • The Style object encapsulates style information
let attributes: [String: Any] = [
  "fill": "lime",
  "stroke": "purple",
  "stroke-width": "5",
  "fill-rule": "evenodd"
]

let style = Style(attributes: attributes)
  • Inner style
<polygon points="100,10 40,198 190,78 10,78 160,198" fill="lime" stroke="purple" stroke-width="5" fill-rule="evenodd" />
  • Style attribute
<polygon points="100,10 40,198 190,78 10,78 160,198" style="fill:lime;stroke:purple;stroke-width:5;fill-rule:evenodd;" />

Animation

  • The cool thing about CALayer is that most of its properties are animatable
(svgView.layer.sublayers as? [CAShapeLayer])?.forEach { layer in
  let stroke = CABasicAnimation(keyPath: "strokeEnd")
  stroke.fromValue = 0
  stroke.toValue = 1
  stroke.duration = 3

  layer.add(stroke, forKey: nil)
}

Scale

  • Scale layers to a given size
let layers = document.svg.layers(size: CGSize(width: 200, height: 100))
  • Scale view to a given size
let view = document.svg.view(size: CGSize(width: 100, height: 100))

Text

  • TBD

Image

let attributes: [String: Any] = [
  "x": "0",
  "y": "y",
  "width": "100",
  "height": "100",
  "href": "data:image/png;base64,..."
]

let image = Image(attributes: attributes)

Pattern

  • TBD

Installation

Snowflake is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod 'Snowflake', git: 'https://github.com/onmyway133/Snowflake'

or 

pod 'FantasticSnowflake'

Snowflake is also available through Carthage. To install just write into your Cartfile:

github "onmyway133/Snowflake"

Snowflake can also be installed manually. Just download and drop Sources folders in your project.

Author

Khoa Pham, [email protected]

Contributing

We would love you to contribute to Snowflake, check the CONTRIBUTING file for more info.

License

Snowflake is available under the MIT license. See the LICENSE file for more info.


*Note that all licence references and agreements mentioned in the Snowflake README section above are relevant to that project's source code only.