pixie/examples/gradient.nim

import pixie

let image = newImage(200, 200)
image.fill(rgba(255, 255, 255, 255))

let paint = Paint(
  kind: pkGradientRadial,
  gradientHandlePositions: @[
    vec2(100, 100),
    vec2(200, 100),
    vec2(100, 200)
  ],
  gradientStops: @[
    ColorStop(color: rgba(255, 0, 0, 255), position: 0),
    ColorStop(color: rgba(255, 0, 0, 40), position: 1.0),
  ]
)

image.fillPath(
  """
    M 20 60
    A 40 40 90 0 1 100 60
    A 40 40 90 0 1 180 60
    Q 180 120 100 180
    Q 20 120 20 60
    z
  """,
  paint
)

image.writeFile("examples/gradient.png")