2d.filter.layers.dropShadow.html

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/element/filters/2d.filter.layers.dropShadow.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->

<link rel="match" href="2d.filter.layers.dropShadow-expected.html">

<title>Canvas test: 2d.filter.layers.dropShadow</title>

<h1>2d.filter.layers.dropShadow</h1>

<p class="desc">Test CanvasFilter() dropShadow object.</p>

<canvas id="canvas" width="520" height="420">

  <p class="fallback">FAIL (fallback content)</p>

</canvas>

<script>

  const canvas = document.getElementById("canvas");

  const ctx = canvas.getContext('2d');

  ctx.fillStyle = 'teal';

  ctx.fillRect(0, 0, 520, 50);

  ctx.fillRect(0, 100, 520, 50);

  ctx.fillRect(0, 200, 520, 50);

  ctx.fillRect(0, 300, 520, 50);

  ctx.fillStyle = 'crimson';

  // Parameter defaults.

  ctx.beginLayer({filter: {name: 'dropShadow'}});

  ctx.fillRect(10, 10, 80, 80);

  ctx.endLayer();

  // All parameters specified.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 5,

     floodColor: 'purple', floodOpacity: 0.7}});

  ctx.fillRect(110, 10, 80, 80);

  ctx.endLayer();

  // Named color.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,

     floodColor: 'purple'}});

  ctx.fillRect(10, 110, 80, 80);

  ctx.endLayer();

  // System color.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,

     floodColor: 'LinkText'}});

  ctx.fillRect(110, 110, 80, 80);

  ctx.endLayer();

  // Numerical color.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,

     floodColor: 'rgba(20, 50, 130, 1)'}});

  ctx.fillRect(210, 110, 80, 80);

  ctx.endLayer();

  // Transparent floodColor.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,

     floodColor: 'rgba(20, 50, 130, 0.7)'}});

  ctx.fillRect(310, 110, 80, 80);

  ctx.endLayer();

  // Transparent floodColor and floodOpacity.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,

     floodColor: 'rgba(20, 50, 130, 0.7)', floodOpacity: 0.7}});

  ctx.fillRect(410, 110, 80, 80);

  ctx.endLayer();

  // No blur.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 0,

     floodColor: 'purple'}});

  ctx.fillRect(10, 210, 80, 80);

  ctx.endLayer();

  // Single float blur.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 5,

     floodColor: 'purple'}});

  ctx.fillRect(110, 210, 80, 80);

  ctx.endLayer();

  // Single negative float blur.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: -5,

     floodColor: 'purple'}});

  ctx.fillRect(210, 210, 80, 80);

  ctx.endLayer();

  // Two floats (X&Y) blur.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: [3, 5],

     floodColor: 'purple'}});

  ctx.fillRect(310, 210, 80, 80);

  ctx.endLayer();

  // Two negative floats (X&Y) blur.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: [-3, -5],

     floodColor: 'purple'}});

  ctx.fillRect(410, 210, 80, 80);

  ctx.endLayer();

  // Degenerate parameter values.

  ctx.beginLayer({filter: {name: 'dropShadow', dx: [-5], dy: [], stdDeviation: null,

     floodColor: 'purple', floodOpacity: [2]}});

  ctx.fillRect(10, 310, 80, 80);

  ctx.endLayer();

  ctx.beginLayer({filter: {name: 'dropShadow', dx: null, dy: '5', stdDeviation: [[-5], ['3']],

     floodColor: 'purple', floodOpacity: '0.8'}});

  ctx.fillRect(110, 310, 80, 80);

  ctx.endLayer();

  ctx.beginLayer({filter: {name: 'dropShadow', dx: true, dy: ['10'], stdDeviation: false,

     floodColor: 'purple', floodOpacity: ['0.4']}});

  ctx.fillRect(210, 310, 80, 80);

  ctx.endLayer();

</script>