108 lines
3.8 KiB
JavaScript
108 lines
3.8 KiB
JavaScript
import { OHIF } from 'meteor/ohif:core';
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import { MeasurementReport } from 'meteor/ohif:measurements/client/reports/measurement';
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import { $ } from 'meteor/jquery';
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OHIF.measurements.exportPdf = (measurementApi, timepointApi) => {
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const currentTimepoint = timepointApi.current();
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const { timepointId } = currentTimepoint;
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const study = OHIF.viewer.Studies.findBy({
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studyInstanceUid: currentTimepoint.studyInstanceUids[0]
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});
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const report = new MeasurementReport({
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header: {
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trial: 'RECIST 1.1',
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patientName: OHIF.viewerbase.helpers.formatPN(study.patientName),
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mrn: study.patientId,
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timepoint: timepointApi.name(currentTimepoint)
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}
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});
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const createEnabledElement = () => {
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const $element = $('<div></div>').css({
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height: 512,
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left: 0,
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position: 'fixed',
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top: 0,
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visibility: 'hidden',
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width: 512,
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'z-index': -1
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});
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const element = $element[0];
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$element.appendTo(document.body);
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cornerstone.enable(element, { renderer: 'webgl' });
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const enabledElement = cornerstone.getEnabledElement(element);
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enabledElement.toolStateManager = cornerstoneTools.newImageIdSpecificToolStateManager();
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return enabledElement;
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};
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const destroyEnabledElement = enabledElement => {
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cornerstone.disable(enabledElement.element);
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$(enabledElement.element).remove();
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};
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const printMeasurement = (measurement, image, callback) => {
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const enabledElement = createEnabledElement();
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const element = enabledElement.element;
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const series = cornerstoneTools.metaData.get('series', measurement.imageId);
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const instance = cornerstoneTools.metaData.get('instance', measurement.imageId);
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let info = measurement.response;
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if (!info) {
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info = measurement.longestDiameter;
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if (measurement.shortestDiameter) {
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info += ` × ${measurement.shortestDiameter}`;
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}
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info += ' mm';
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}
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info += ` (S:${series.seriesNumber}, I:${instance.instanceNumber})`;
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let type = measurementApi.toolsGroupsMap[measurement.toolType];
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type = type === 'targets' ? 'Target' : 'Non-target';
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const state = Object.assign({}, measurement, { active: true });
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cornerstone.displayImage(element, image);
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cornerstoneTools.addToolState(element, measurement.toolType, state);
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cornerstoneTools[measurement.toolType].enable(element);
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$(element).one('CornerstoneImageRendered', () => {
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report.printMeasurement({
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type,
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number: measurement.measurementNumber,
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location: OHIF.measurements.getLocationLabel(measurement.location) || '',
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info,
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image: enabledElement.canvas.toDataURL('image/jpeg', 0.85)
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});
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cornerstoneTools[measurement.toolType].disable(element);
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cornerstoneTools.clearToolState(element, measurement.toolType);
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destroyEnabledElement(enabledElement);
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processMeasurements(callback);
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});
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};
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const processMeasurements = callback => {
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const current = iterator.next();
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if (current.done) {
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callback();
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return;
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}
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const measurement = current.value;
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cornerstone.loadImage(measurement.imageId)
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.then(image => printMeasurement(measurement, image, callback));
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};
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const targets = measurementApi.fetch('targets', { timepointId });
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const nonTargets = measurementApi.fetch('nonTargets', { timepointId });
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const measurements = targets.concat(nonTargets);
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const iterator = measurements[Symbol.iterator]();
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processMeasurements(() => report.save('measurements.pdf'));
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};
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