grad.js Example File

script/context2d/scripts/grad.js
  var ctx = document.getElementById('tutorial').getContext('2d');

  // Create gradients
  var lingrad = ctx.createLinearGradient(0,0,0,150);
  lingrad.addColorStop(0, '#00ABEB');
  lingrad.addColorStop(0.5, '#fff');
  lingrad.addColorStop(0.5, '#66CC00');
  lingrad.addColorStop(1, '#fff');

  var lingrad2 = ctx.createLinearGradient(0,50,0,95);
  lingrad2.addColorStop(0.5, '#000');
  lingrad2.addColorStop(1, 'rgba(0,0,0,0)');

  // assign gradients to fill and stroke styles
  ctx.fillStyle = lingrad;
  ctx.strokeStyle = lingrad2;

  // draw shapes
  ctx.fillRect(10,10,130,130);
  ctx.strokeRect(50,50,50,50);

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