<!DOCTYPE html> <meta charset="utf-8"> <link rel=match href=drawimage_html_image_6_ref.html> <style> html, body { margin: 0; } </style> <canvas id="dest" height="100" width="100"></canvas> <script> var sourceWidth = 100; var sourceHeight = 100; 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; // 8 arguments, both destination and source origins are 0, 0 // An area of 32x32 pixels of the source image will be copied to // an area of 32x32 pixels of the destination canvas destCtx.drawImage(sourceImg, 0, 0, 32, 32, 0, 0, 32, 32); } </script>