2d.imageData.put.basic.rgba.float16.html

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<title>Canvas test: 2d.imageData.put.basic.rgba.float16</title>

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<h1>2d.imageData.put.basic.rgba.float16</h1>

<p class="desc">putImageData() puts 16-bit floating point image data from getImageData() onto the canvas</p>

<p class="output">Actual output:</p>

<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<ul id="d"></ul>

<script>

var t = async_test("putImageData() puts 16-bit floating point image data from getImageData() onto the canvas");

_addTest(function(canvas, ctx) {

  ctx.fillStyle = 'color(display-p3 1 0 0)';

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

  var imgdata = ctx.getImageData(0, 0, 100, 50, {colorSpace:"srgb", pixelFormat:"rgba-float16"});

  ctx.fillStyle = '#f00';

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

  ctx.putImageData(imgdata, 0, 0);

  var pixel = ctx.getImageData(0, 0, 1, 1, {colorSpace:"display-p3", pixelFormat:"rgba-float16"});

  assert_approx_equals(pixel.data[0], 1, 0.01);

  assert_approx_equals(pixel.data[1], 0, 0.01);

  assert_approx_equals(pixel.data[2], 0, 0.01);

  assert_approx_equals(pixel.data[3], 1, 0.01);

}, {colorSpace: "srgb", colorType: "float16"});

</script>