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Util

Own Methods​

getRandomColor()​

return random hex color

Example:

shape.fill(Konva.Util.getRandomColor());

getRGB(color)​

get RGB components of a color

Parameters:

  • color (String)

Example:

// each of the following examples return {r:0, g:0, b:255}
var rgb = Konva.Util.getRGB('blue');
var rgb = Konva.Util.getRGB('#0000ff');
var rgb = Konva.Util.getRGB('rgb(0,0,255)');

haveIntersection(r1, r2)​

check intersection of two client rectangles

Parameters:

  • r1 (Object): { x, y, width, height } client rectangle
  • r2 (Object): { x, y, width, height } client rectangle

Example:

const overlapping = Konva.Util.haveIntersection(shape1.getClientRect(), shape2.getClientRect());