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@cleerlycode/cornerstone-wado-image-loader

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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>imageLoader/wadouri/unpackBinaryFrame.js - Documentation</title> <script src="scripts/prettify/prettify.js"></script> <script src="scripts/prettify/lang-css.js"></script> <!--[if lt IE 9]> <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script> <![endif]--> <link type="text/css" rel="stylesheet" href="styles/prettify.css"> <link type="text/css" rel="stylesheet" href="styles/jsdoc.css"> </head> <body> <input type="checkbox" id="nav-trigger" class="nav-trigger" /> <label for="nav-trigger" class="navicon-button x"> <div class="navicon"></div> </label> <label for="nav-trigger" class="overlay"></label> <nav> <h2><a href="index.html">Home</a></h2><h3>Global</h3><ul><li><a href="global.html#addTask">addTask</a></li><li><a href="global.html#arrayBufferToString">arrayBufferToString</a></li><li><a href="global.html#cacheSizeInBytes">cacheSizeInBytes</a></li><li><a href="global.html#cancelTask">cancelTask</a></li><li><a href="global.html#framesAreFragmented">framesAreFragmented</a></li><li><a href="global.html#getNumberString">getNumberString</a></li><li><a href="global.html#getNumberValues">getNumberValues</a></li><li><a href="global.html#getStatistics">getStatistics</a></li><li><a href="global.html#getTransferSyntaxForContentType">getTransferSyntaxForContentType</a></li><li><a href="global.html#getUncompressedImageFrame">getUncompressedImageFrame</a></li><li><a href="global.html#getValue">getValue</a></li><li><a href="global.html#handleMessageFromWorker">handleMessageFromWorker</a></li><li><a href="global.html#handler">handler</a></li><li><a href="global.html#initialize">initialize</a></li><li><a href="global.html#loadCodecs">loadCodecs</a></li><li><a href="global.html#loadWebWorkerTask">loadWebWorkerTask</a></li><li><a href="global.html#registerLoaders">registerLoaders</a></li><li><a href="global.html#registerTaskHandler">registerTaskHandler</a></li><li><a href="global.html#setPixelDataType">setPixelDataType</a></li><li><a href="global.html#setTaskPriority">setTaskPriority</a></li><li><a href="global.html#spawnWebWorker">spawnWebWorker</a></li><li><a href="global.html#startTaskOnWebWorker">startTaskOnWebWorker</a></li><li><a href="global.html#unpackBinaryFrame">unpackBinaryFrame</a></li></ul> </nav> <div id="main"> <h1 class="page-title">imageLoader/wadouri/unpackBinaryFrame.js</h1> <section> <article> <pre class="prettyprint source linenums"><code>/* eslint no-bitwise: 0 */ function isBitSet (byte, bitPos) { return byte &amp; (1 &lt;&lt; bitPos); } /** * Function to deal with unpacking a binary frame */ function unpackBinaryFrame (byteArray, frameOffset, pixelsPerFrame) { // Create a new pixel array given the image size const pixelData = new Uint8Array(pixelsPerFrame); for (let i = 0; i &lt; pixelsPerFrame; i++) { // Compute byte position const bytePos = Math.floor(i / 8); // Get the current byte const byte = byteArray[bytePos + frameOffset]; // Bit position (0-7) within byte const bitPos = (i % 8); // Check whether bit at bitpos is set pixelData[i] = isBitSet(byte, bitPos) ? 1 : 0; } return pixelData; } export default unpackBinaryFrame; </code></pre> </article> </section> </div> <br class="clear"> <footer> Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> using the <a href="https://github.com/clenemt/docdash">docdash</a> theme. </footer> <script>prettyPrint();</script> <script src="scripts/linenumber.js"></script> </body> </html>