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Fixing PDF report measurements rendering

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This commit is contained in:
Bruno Alves de Faria 2017-03-02 20:57:54 -03:00
parent f91fc1c897
commit 351eb6164c
1 changed files with 76 additions and 59 deletions
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135
Packages/ohif-measurements/client/lib/exportPdf.js
View File

@ -17,27 +17,76 @@ OHIF.measurements.exportPdf = (measurementApi, timepointApi) => {
}
});
const $element = $('<div></div>').css({
height: 800,
left: 0,
position: 'fixed',
top: 0,
visibility: 'hidden',
width: 800,
'z-index': -1
});
const element = $element[0];
$element.appendTo(document.body);
cornerstone.enable(element, { renderer: 'webgl' });
const enabledElement = cornerstone.getEnabledElement(element);
enabledElement.toolStateManager = cornerstoneTools.newImageIdSpecificToolStateManager();
const createEnabledElement = () => {
const $element = $('<div></div>').css({
height: 512,
left: 0,
position: 'fixed',
top: 0,
visibility: 'hidden',
width: 512,
'z-index': -1
});
const targets = measurementApi.fetch('targets', { timepointId });
const nonTargets = measurementApi.fetch('nonTargets', { timepointId });
const measurements = targets.concat(nonTargets);
const element = $element[0];
$element.appendTo(document.body);
cornerstone.enable(element, { renderer: 'webgl' });
const iterator = measurements[Symbol.iterator]();
const printMeasurements = callback => {
const enabledElement = cornerstone.getEnabledElement(element);
enabledElement.toolStateManager = cornerstoneTools.newImageIdSpecificToolStateManager();
return enabledElement;
};
const destroyEnabledElement = enabledElement => {
cornerstone.disable(enabledElement.element);
$(enabledElement.element).remove();
};
const printMeasurement = (measurement, image, callback) => {
const enabledElement = createEnabledElement();
const element = enabledElement.element;
const series = cornerstoneTools.metaData.get('series', measurement.imageId);
const instance = cornerstoneTools.metaData.get('instance', measurement.imageId);
let info = measurement.response;
if (!info) {
info = measurement.longestDiameter;
if (measurement.shortestDiameter) {
info += ` × ${measurement.shortestDiameter}`;
}
info += ' mm';
}
info += ` (S:${series.seriesNumber}, I:${instance.instanceNumber})`;
let type = measurementApi.toolsGroupsMap[measurement.toolType];
type = type === 'targets' ? 'Target' : 'Non-target';
const state = Object.assign({}, measurement, { active: true });
cornerstone.displayImage(element, image);
cornerstoneTools.addToolState(element, measurement.toolType, state);
cornerstoneTools[measurement.toolType].enable(element);
$(element).one('CornerstoneImageRendered', () => {
report.printMeasurement({
type,
number: measurement.measurementNumber,
location: OHIF.measurements.getLocationLabel(measurement.location) || '',
info,
image: enabledElement.canvas.toDataURL('image/jpeg', 0.85)
});
cornerstoneTools[measurement.toolType].disable(element);
cornerstoneTools.clearToolState(element, measurement.toolType);
destroyEnabledElement(enabledElement);
processMeasurements(callback);
});
};
const processMeasurements = callback => {
const current = iterator.next();
if (current.done) {
callback();
@ -45,46 +94,14 @@ OHIF.measurements.exportPdf = (measurementApi, timepointApi) => {
}
const measurement = current.value;
cornerstone.loadImage(measurement.imageId).then(image => {
const state = Object.assign({}, measurement, { active: true });
cornerstoneTools.clearToolState(element, measurement.toolType);
cornerstone.displayImage(element, image);
cornerstoneTools.addToolState(element, measurement.toolType, state);
cornerstoneTools[measurement.toolType].enable(element);
const series = cornerstoneTools.metaData.get('series', measurement.imageId);
const instance = cornerstoneTools.metaData.get('instance', measurement.imageId);
let info = measurement.response;
if (!info) {
info = measurement.longestDiameter;
if (measurement.shortestDiameter) {
info += ` × ${measurement.shortestDiameter}`;
}
info += ' mm';
}
info += ` (S:${series.seriesNumber}, I:${instance.instanceNumber})`;
let type = measurementApi.toolsGroupsMap[measurement.toolType];
type = type === 'targets' ? 'Target' : 'Non-target';
$element.one('CornerstoneImageRendered', () => {
report.printMeasurement({
type,
number: measurement.measurementNumber,
location: OHIF.measurements.getLocationLabel(measurement.location) || '',
info,
image: enabledElement.canvas.toDataURL('image/jpeg', 0.85)
});
});
setTimeout(() => printMeasurements(callback));
});
cornerstone.loadImage(measurement.imageId)
.then(image => printMeasurement(measurement, image, callback));
};
printMeasurements(() => {
$element.remove();
report.save('measurements.pdf');
});
const targets = measurementApi.fetch('targets', { timepointId });
const nonTargets = measurementApi.fetch('nonTargets', { timepointId });
const measurements = targets.concat(nonTargets);
const iterator = measurements[Symbol.iterator]();
processMeasurements(() => report.save('measurements.pdf'));
};