cornerstone-web-image-loader

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/createImage.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">all files</a> / <a href="index.html">src/</a> createImage.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 4.35% Statements 1/23 </div> <div class='fl pad1y space-right2'> 0% Branches 0/4 </div> <div class='fl pad1y space-right2'> 0% Functions 0/5 </div> <div class='fl pad1y space-right2'> 4.35% Lines 1/23 </div> </div> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81</td><td class="line-coverage quiet">    1×                                                                                                                                                            </td><td class="text"><pre class="prettyprint lang-js">import { external } from './externalModules.js';   const canvas = document.createElement('canvas'); let lastImageIdDrawn;   /** * creates a cornerstone Image object for the specified Image and imageId * * @param image - An Image * @param imageId - the imageId for this image * @returns Cornerstone Image Object */ export default function (image, imageId) { // extract the attributes we need const rows = image.naturalHeight; const columns = image.naturalWidth;   function getPixelData () { const imageData = getImageData();     return imageData.data; }   function getImageData () { let context;   if (lastImageIdDrawn === imageId) { context = canvas.getContext('2d'); } else { canvas.height = image.naturalHeight; canvas.width = image.naturalWidth; context = canvas.getContext('2d'); context.drawImage(image, 0, 0); lastImageIdDrawn = imageId; }   return context.getImageData(0, 0, image.naturalWidth, image.naturalHeight); }   function getCanvas () { if (lastImageIdDrawn === imageId) { return canvas; }   canvas.height = image.naturalHeight; canvas.width = image.naturalWidth; const context = canvas.getContext('2d');   context.drawImage(image, 0, 0); lastImageIdDrawn = imageId;   return canvas; }   // Extract the various attributes we need return { imageId, minPixelValue: 0, maxPixelValue: 255, slope: 1, intercept: 0, windowCenter: 128, windowWidth: 255, render: external.cornerstone.renderWebImage, getPixelData, getCanvas, getImage: () => image, rows, columns, height: rows, width: columns, color: true, rgba: false, columnPixelSpacing: undefined, rowPixelSpacing: undefined, invert: false, sizeInBytes: rows * columns * 4 }; }  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri Dec 15 2017 10:01:23 GMT+0100 (CET) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>