@cleerlycode/cornerstone-wado-image-loader

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/webWorker/decodeTask/decoders/decodeJPEG2000.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> decodeJPEG2000.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 6.41% Statements 5/78 </div> <div class='fl pad1y space-right2'> 18.18% Branches 6/33 </div> <div class='fl pad1y space-right2'> 20% Functions 1/5 </div> <div class='fl pad1y space-right2'> 6.41% Lines 5/78 </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 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156</td><td class="line-coverage quiet">                                                                                                                                                                                                                                                          1× 1×         1× 1× 1×                                            </td><td class="text"><pre class="prettyprint lang-js">function decodeJpx (imageFrame, pixelData) { const jpxImage = new JpxImage();   jpxImage.parse(pixelData);   const tileCount = jpxImage.tiles.length;   if (tileCount !== 1) { throw new Error(`JPEG2000 decoder returned a tileCount of ${tileCount}, when 1 is expected`); }   imageFrame.columns = jpxImage.width; imageFrame.rows = jpxImage.height; imageFrame.pixelData = jpxImage.tiles[0].items;   return imageFrame; }   let openJPEG;   function decodeOpenJPEG (data, bytesPerPixel, signed) { const dataPtr = openJPEG._malloc(data.length);   openJPEG.writeArrayToMemory(data, dataPtr);   // create param outpout const imagePtrPtr = openJPEG._malloc(4); const imageSizePtr = openJPEG._malloc(4); const imageSizeXPtr = openJPEG._malloc(4); const imageSizeYPtr = openJPEG._malloc(4); const imageSizeCompPtr = openJPEG._malloc(4);   const t0 = new Date().getTime(); const ret = openJPEG.ccall('jp2_decode', 'number', ['number', 'number', 'number', 'number', 'number', 'number', 'number'], [dataPtr, data.length, imagePtrPtr, imageSizePtr, imageSizeXPtr, imageSizeYPtr, imageSizeCompPtr]); // add num vomp..etc   if (ret !== 0) { console.log('[opj_decode] decoding failed!'); openJPEG._free(dataPtr); openJPEG._free(openJPEG.getValue(imagePtrPtr, '*')); openJPEG._free(imageSizeXPtr); openJPEG._free(imageSizeYPtr); openJPEG._free(imageSizePtr); openJPEG._free(imageSizeCompPtr);   return; }   const imagePtr = openJPEG.getValue(imagePtrPtr, '*');   const image = { length: openJPEG.getValue(imageSizePtr, 'i32'), sx: openJPEG.getValue(imageSizeXPtr, 'i32'), sy: openJPEG.getValue(imageSizeYPtr, 'i32'), nbChannels: openJPEG.getValue(imageSizeCompPtr, 'i32'), // hard coded for now perf_timetodecode: undefined, pixelData: undefined };   // Copy the data from the EMSCRIPTEN heap into the correct type array const length = image.sx * image.sy * image.nbChannels; const src32 = new Int32Array(openJPEG.HEAP32.buffer, imagePtr, length);   if (bytesPerPixel === 1) { if (Uint8Array.from) { image.pixelData = Uint8Array.from(src32); } else { image.pixelData = new Uint8Array(length); for (let i = 0; i < length; i++) { image.pixelData[i] = src32[i]; } } } else if (signed) { if (Int16Array.from) { image.pixelData = Int16Array.from(src32); } else { image.pixelData = new Int16Array(length); for (let i = 0; i < length; i++) { image.pixelData[i] = src32[i]; } } } else if (Uint16Array.from) { image.pixelData = Uint16Array.from(src32); } else { image.pixelData = new Uint16Array(length); for (let i = 0; i < length; i++) { image.pixelData[i] = src32[i]; } }   const t1 = new Date().getTime();   image.perf_timetodecode = t1 - t0;   // free openJPEG._free(dataPtr); openJPEG._free(imagePtrPtr); openJPEG._free(imagePtr); openJPEG._free(imageSizePtr); openJPEG._free(imageSizeXPtr); openJPEG._free(imageSizeYPtr); openJPEG._free(imageSizeCompPtr);   return image; }   function decodeOpenJpeg2000 (imageFrame, pixelData) { const bytesPerPixel = imageFrame.bitsAllocated <= 8 ? 1 : 2; const signed = imageFrame.pixelRepresentation === 1;   const image = decodeOpenJPEG(pixelData, bytesPerPixel, signed);   imageFrame.columns = image.sx; imageFrame.rows = image.sy; imageFrame.pixelData = image.pixelData; if (image.nbChannels > 1) { imageFrame.photometricInterpretation = 'RGB'; }   return imageFrame; }   function initializeJPEG2000 (decodeConfig) { // check to make sure codec is loaded Eif (!decodeConfig.usePDFJS) { Iif (typeof OpenJPEG === 'undefined') { throw new Error('OpenJPEG decoder not loaded'); } }   Eif (!openJPEG) { openJPEG = OpenJPEG(); Iif (!openJPEG || !openJPEG._jp2_decode) { throw new Error('OpenJPEG failed to initialize'); } } }   function decodeJPEG2000 (imageFrame, pixelData, decodeConfig, options = {}) { initializeJPEG2000(decodeConfig);   if (options.usePDFJS || decodeConfig.usePDFJS) { // OHIF image-JPEG2000 https://github.com/OHIF/image-JPEG2000 // console.log('PDFJS') return decodeJpx(imageFrame, pixelData); }   // OpenJPEG2000 https://github.com/jpambrun/openjpeg // console.log('OpenJPEG') return decodeOpenJpeg2000(imageFrame, pixelData); }   export default decodeJPEG2000; export { initializeJPEG2000 };  </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(); } }; </script> <script src="../../../../sorter.js"></script> </body> </html>