Doggie - Swift 的跨平台库

let shape = try Shape(code: "M100 0c0-100-236.60 36.60-150 86.60S36.60-136.60-50-86.60 100 100 100 0z")

let region = ShapeRegion(shape, winding: .nonZero)
let ellipse = ShapeRegion(ellipseIn: shape.boundary)

let collection = try FontCollection(data: fontFileData)

if let font = collection.first?.with(size: 64) {

    let string = "Doggie\u{0301}".precomposedStringWithCanonicalMapping

    let glyphs = font.glyphs(with: string.unicodeScalars)
    let advances = glyphs.map { font.advance(forGlyph: $0) }.reductions(0, +)

    var shape = Shape()

    for (advance, glyph) in zip(advances, glyphs) {
        var outline = font.shape(forGlyph: glyph)
        outline.center.x += advance
        shape.append(contentsOf: outline.identity)
    }

    print(shape.encode())
}

let context = ImageContext<ARGB32ColorPixel>(width: 100, height: 100, colorSpace: ColorSpace.sRGB)

let ellipse1 = Shape(ellipseIn: Rect(x: 10, y: 35, width: 55, height: 55))
let ellipse2 = Shape(ellipseIn: Rect(x: 35, y: 10, width: 55, height: 55))

context.draw(shape: ellipse1, winding: .nonZero, color: RGBColorModel(red: 247/255, green: 217/255, blue: 12/255))
context.draw(shape: ellipse1, stroke: Stroke(width: 1, cap: .round, join: .round, color: RGBColorModel()))
context.draw(shape: ellipse2, winding: .nonZero, color: RGBColorModel(red: 234/255, green: 24/255, blue: 71/255))
context.draw(shape: ellipse2, stroke: Stroke(width: 1, cap: .round, join: .round, color: RGBColorModel()))

let image: Image<ARGB32ColorPixel> = context.image

let context = ImageContext<Gray16ColorPixel>(width: 220, height: 220, colorSpace: .default)

context.draw(ellipseIn: Rect(x: 0, y: 0, width: 200, height: 200), color: .black)

var image = context.image

let turbulence: Image<RGBA32ColorPixel> = SVGTurbulence(220, 220, .turbulence, nil, .identity, 0, 0.05, 2)

image = DisplacementMap(image, turbulence, 0, 1, 50)