@cleerlycode/cornerstone-wado-image-loader

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/webWorker/decodeTask/decoders/decodeJPEGLS.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/webWorker/decodeTask/decoders/</a> decodeJPEGLS.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 85.11% Statements 40/47 </div> <div class='fl pad1y space-right2'> 62.5% Branches 10/16 </div> <div class='fl pad1y space-right2'> 100% Functions 3/3 </div> <div class='fl pad1y space-right2'> 85.11% Lines 40/47 </div> </div> </div> <div class='status-line high'></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 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106</td><td class="line-coverage quiet">        2×   2×     2× 2× 2× 2× 2× 2× 2× 2× 2×     2×               2×                         2×   2×     2× 2× 2×             2× 2× 2× 2× 2× 2× 2× 2× 2× 2×   2×         3×           3× 1× 1×               2×   2×     2×       2× 2× 2×   2×          </td><td class="text"><pre class="prettyprint lang-js">let charLS;   function jpegLSDecode (data, isSigned) { // prepare input parameters const dataPtr = charLS._malloc(data.length);   charLS.writeArrayToMemory(data, dataPtr);   // prepare output parameters const imagePtrPtr = charLS._malloc(4); const imageSizePtr = charLS._malloc(4); const widthPtr = charLS._malloc(4); const heightPtr = charLS._malloc(4); const bitsPerSamplePtr = charLS._malloc(4); const stridePtr = charLS._malloc(4); const allowedLossyErrorPtr = charLS._malloc(4); const componentsPtr = charLS._malloc(4); const interleaveModePtr = charLS._malloc(4);   // Decode the image const result = charLS.ccall( 'jpegls_decode', 'number', ['number', 'number', 'number', 'number', 'number', 'number', 'number', 'number', 'number', 'number', 'number'], [dataPtr, data.length, imagePtrPtr, imageSizePtr, widthPtr, heightPtr, bitsPerSamplePtr, stridePtr, componentsPtr, allowedLossyErrorPtr, interleaveModePtr] );   // Extract result values into object const image = { result, width: charLS.getValue(widthPtr, 'i32'), height: charLS.getValue(heightPtr, 'i32'), bitsPerSample: charLS.getValue(bitsPerSamplePtr, 'i32'), stride: charLS.getValue(stridePtr, 'i32'), components: charLS.getValue(componentsPtr, 'i32'), allowedLossyError: charLS.getValue(allowedLossyErrorPtr, 'i32'), interleaveMode: charLS.getValue(interleaveModePtr, 'i32'), pixelData: undefined };   // Copy image from emscripten heap into appropriate array buffer type const imagePtr = charLS.getValue(imagePtrPtr, '*');   Iif (image.bitsPerSample <= 8) { image.pixelData = new Uint8Array(image.width * image.height * image.components); image.pixelData.set(new Uint8Array(charLS.HEAP8.buffer, imagePtr, image.pixelData.length)); } else Eif (isSigned) { image.pixelData = new Int16Array(image.width * image.height * image.components); image.pixelData.set(new Int16Array(charLS.HEAP16.buffer, imagePtr, image.pixelData.length)); } else { image.pixelData = new Uint16Array(image.width * image.height * image.components); image.pixelData.set(new Uint16Array(charLS.HEAP16.buffer, imagePtr, image.pixelData.length)); }   // free memory and return image object charLS._free(dataPtr); charLS._free(imagePtr); charLS._free(imagePtrPtr); charLS._free(imageSizePtr); charLS._free(widthPtr); charLS._free(heightPtr); charLS._free(bitsPerSamplePtr); charLS._free(stridePtr); charLS._free(componentsPtr); charLS._free(interleaveModePtr);   return image; }   function initializeJPEGLS () { // check to make sure codec is loaded Iif (typeof CharLS === 'undefined') { throw new Error('No JPEG-LS decoder loaded'); }   // Try to initialize CharLS // CharLS https://github.com/cornerstonejs/charls if (!charLS) { charLS = CharLS(); Iif (!charLS || !charLS._jpegls_decode) { throw new Error('JPEG-LS failed to initialize'); } }   }   function decodeJPEGLS (imageFrame, pixelData) { initializeJPEGLS();   const image = jpegLSDecode(pixelData, imageFrame.pixelRepresentation === 1);   // throw error if not success or too much data Iif (image.result !== 0 && image.result !== 6) { throw new Error(`JPEG-LS decoder failed to decode frame (error code ${image.result})`); }   imageFrame.columns = image.width; imageFrame.rows = image.height; imageFrame.pixelData = image.pixelData;   return imageFrame; }   export default decodeJPEGLS; export { initializeJPEGLS };  </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 Sun Apr 01 2018 20:02:13 GMT+0800 (CST) </div> </div> <script src="../../../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); 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