Content - 3b11b730fba1f816808a5a6016e85c16cc85fead - e20b609/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_10.html

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Tip revision: 36a847b088740128c41258a7bc6bb9d019e57b36 authored by plehegar on 24 August 2016, 20:31:56 UTC
Added Web IDL for Resource Timing

Tip revision: 36a847b

drawimage_html_image_10.html

<!DOCTYPE html>
<meta charset="utf-8">
<link rel=match href=drawimage_html_image_10_ref.html>
<style>
  html, body {
    margin: 0;
  }
</style>
<canvas id="dest" height="100" width="100"></canvas>
<script>

var sourceWidth = 128;
var sourceHeight = 128;
var smoothingEnabled = false;
var destCanvas = document.getElementById('dest');
var sourceImg = document.createElement('img');
sourceImg.src = '../2x2.png'
sourceImg.width = sourceWidth;
sourceImg.height = sourceHeight;

sourceImg.onload = function() {
  var destCtx = destCanvas.getContext('2d');
  destCtx.fillStyle = "#FF0000";
  destCtx.fillRect(0, 0,  destCanvas.width, destCanvas.height);
  destCtx.imageSmoothingEnabled = smoothingEnabled;

  // The destination rectangle is larger than the destination canvas.
  // When the destination rectangle is outside the destination image (the scratch bitmap),
  // the pixels that land outside the scratch bitmap are discarded,
  // as if the destination was an infinite canvas
  // whose rendering was clipped to the dimensions of the scratch bitmap.
  destCtx.drawImage(sourceImg, 0, 0, 512, 512, 0, 0, 256, 256);
}
</script>

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