b51628cc9f
- Remove measurementType property and use toolType property in the parts that uses measurementType - Add toolType in syncMeasurementAndToolData method - Hide Convert to Non-Target option in lesionLocationDialog for CRUNEX tools
421 lines
17 KiB
JavaScript
421 lines
17 KiB
JavaScript
(function($, cornerstone, cornerstoneMath, cornerstoneTools) {
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'use strict';
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var responseByToolType = [
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{"toolType": "crTool", "toolResponse": "CR"},
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{"toolType": "unTool", "toolResponse": "UN"},
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{"toolType": "exTool", "toolResponse": "EX"}
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];
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function crunexTool(toolType) {
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var toolInterface = {
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toolType: toolType
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};
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var response;
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responseByToolType.forEach(function(tool) {
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if (tool.toolType === toolInterface.toolType) {
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response = tool.toolResponse;
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}
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});
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var configuration = {
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setLesionNumberCallback: setLesionNumberCallback,
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getLesionLocationCallback: getLesionLocationCallback,
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changeLesionLocationCallback: changeLesionLocationCallback,
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drawHandles: false,
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drawHandlesOnHover: false,
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arrowFirst: true
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};
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toolInterface.defaultConfiguration = configuration;
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// Used to cancel tool placement
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var keys = {
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ESC: 27
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};
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// Set lesion number
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// Get Non-Target lesions on image
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function setLesionNumberCallback(measurementData, eventData, doneCallback) {
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var lesionNumber = 1;
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doneCallback(lesionNumber);
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}
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// Define a callback to get your text annotation
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// This could be used, e.g. to open a modal
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function getLesionLocationCallback(measurementData, eventData, doneCallback) {
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// doneCallback(prompt('Enter your lesion location:'));
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}
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function changeLesionLocationCallback(measurementData, eventData, doneCallback) {
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doneCallback(prompt('Change your lesion location:'));
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}
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/// --- Mouse Tool --- ///
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///////// BEGIN ACTIVE TOOL ///////
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function addNewMeasurement(mouseEventData) {
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var element = mouseEventData.element;
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function doneCallback(lesionNumber) {
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measurementData.lesionNumber = lesionNumber;
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measurementData.active = true;
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cornerstone.updateImage(element);
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}
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var measurementData = createNewMeasurement(mouseEventData);
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var eventData = {
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mouseButtonMask: mouseEventData.which
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};
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var config = cornerstoneTools[toolType].getConfiguration();
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// Set lesion number and lesion name
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if (measurementData.lesionNumber === undefined) {
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config.setLesionNumberCallback(measurementData, mouseEventData, doneCallback);
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}
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// associate this data with this imageId so we can render it and manipulate it
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cornerstoneTools.addToolState(mouseEventData.element, toolType, measurementData);
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// since we are dragging to another place to drop the end point, we can just activate
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// the end point and let the moveHandle move it for us.
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$(element).off('CornerstoneToolsMouseMove', cornerstoneTools[toolType].mouseMoveCallback);
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$(element).off('CornerstoneToolsMouseDown', cornerstoneTools[toolType].mouseDownCallback);
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$(element).off('CornerstoneToolsMouseDownActivate', cornerstoneTools[toolType].mouseDownActivateCallback);
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$(element).off('CornerstoneToolsMouseDoubleClick', doubleClickCallback);
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// Add a flag for using Esc to cancel tool placement
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var cancelled = false;
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function cancelCallback(e) {
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// If the Esc key was pressed, set the flag to true
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if (e.which === keys.ESC) {
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cancelled = true;
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cornerstoneTools.removeToolState(mouseEventData.element, toolType, measurementData);
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}
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// Don't propagate this keydown event so it can't interfere
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// with anything outside of this tool
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return false;
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}
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// Bind a one-time event listener for the Esc key
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$(element).one('keydown', cancelCallback);
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cornerstone.updateImage(element);
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cornerstoneTools.moveNewHandle(mouseEventData, toolType, measurementData, measurementData.handles.end, function() {
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if (cancelled || cornerstoneTools.anyHandlesOutsideImage(mouseEventData, measurementData.handles)) {
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// delete the measurement
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cornerstoneTools.removeToolState(mouseEventData.element, toolType, measurementData);
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} else {
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config.getLesionLocationCallback(measurementData, mouseEventData, doneCallback);
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}
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// Unbind the Esc keydown hook
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$(element).off('keydown', cancelCallback);
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$(element).on('CornerstoneToolsMouseMove', eventData, cornerstoneTools[toolType].mouseMoveCallback);
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$(element).on('CornerstoneToolsMouseDown', eventData, cornerstoneTools[toolType].mouseDownCallback);
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$(element).on('CornerstoneToolsMouseDownActivate', eventData, cornerstoneTools[toolType].mouseDownActivateCallback);
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$(element).on('CornerstoneToolsMouseDoubleClick', eventData, doubleClickCallback);
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$(element).off('keydown', cancelCallback);
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cornerstone.updateImage(mouseEventData.element);
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});
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}
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function createNewMeasurement(mouseEventData) {
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var imageId = mouseEventData.image.imageId;
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// Get studyInstanceUid
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var study = cornerstoneTools.metaData.get('study', imageId);
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var studyInstanceUid = study.studyInstanceUid;
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var patientId = study.patientId;
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// Get seriesInstanceUid
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var series = cornerstoneTools.metaData.get('series', imageId);
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var seriesInstanceUid = series.seriesInstanceUid;
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// create the measurement data for this tool with the end handle activated
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var measurementData = {
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visible: true,
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active: true,
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handles: {
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start: {
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x: mouseEventData.currentPoints.image.x,
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y: mouseEventData.currentPoints.image.y,
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highlight: true,
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active: false
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},
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end: {
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x: mouseEventData.currentPoints.image.x,
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y: mouseEventData.currentPoints.image.y,
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highlight: true,
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active: false
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},
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textBox: {
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x: mouseEventData.currentPoints.image.x - 50,
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y: mouseEventData.currentPoints.image.y - 50,
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active: false,
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movesIndependently: false,
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drawnIndependently: true,
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allowedOutsideImage: true,
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hasBoundingBox: true
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}
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},
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imageId: imageId,
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seriesInstanceUid: seriesInstanceUid,
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studyInstanceUid: studyInstanceUid,
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patientId: patientId,
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response: response,
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isTarget: true,
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toolType: toolType
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};
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return measurementData;
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}
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///////// END ACTIVE TOOL ///////
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function pointNearTool(element, data, coords) {
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var lineSegment = {
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start: cornerstone.pixelToCanvas(element, data.handles.start),
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end: cornerstone.pixelToCanvas(element, data.handles.end)
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};
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var distanceToPoint = cornerstoneMath.lineSegment.distanceToPoint(lineSegment, coords);
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if (cornerstoneTools.pointInsideBoundingBox(data.handles.textBox, coords)) {
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return true;
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}
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return distanceToPoint < 25;
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}
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function drawDottedArrow(context, start, end, color, lineWidth) {
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//variables to be used when creating the arrow
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var headLength = 10;
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var angle = Math.atan2(end.y - start.y, end.x - start.x);
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//starting path of the arrow from the start square to the end square and drawing the stroke
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context.beginPath();
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context.moveTo(start.x, start.y);
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context.lineTo(end.x, end.y);
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context.strokeStyle = color;
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context.lineWidth = lineWidth;
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//context.setLineDash([ 2, 3 ]);
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context.stroke();
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//starting a new path from the head of the arrow to one of the sides of the point
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context.beginPath();
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context.moveTo(end.x, end.y);
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context.lineTo(end.x - headLength * Math.cos(angle - Math.PI / 7), end.y - headLength * Math.sin(angle - Math.PI / 7));
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//path from the side point of the arrow, to the other side point
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context.lineTo(end.x - headLength * Math.cos(angle + Math.PI / 7), end.y - headLength * Math.sin(angle + Math.PI / 7));
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//path from the side point back to the tip of the arrow, and then again to the opposite side point
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context.lineTo(end.x, end.y);
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context.lineTo(end.x - headLength * Math.cos(angle - Math.PI / 7), end.y - headLength * Math.sin(angle - Math.PI / 7));
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//draws the paths created above
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context.strokeStyle = color;
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context.lineWidth = lineWidth;
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context.stroke();
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context.fillStyle = color;
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context.fill();
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}
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///////// BEGIN IMAGE RENDERING ///////
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function onImageRendered(e, eventData) {
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var element = eventData.element;
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// if we have no toolData for this element, return immediately as there is nothing to do
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var toolData = cornerstoneTools.getToolState(element, toolType);
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if (!toolData) {
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return;
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}
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// we have tool data for this element - iterate over each one and draw it
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var context = eventData.canvasContext.canvas.getContext('2d');
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context.setTransform(1, 0, 0, 1, 0, 0);
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var color;
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var lineWidth = cornerstoneTools.toolStyle.getToolWidth();
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var font = cornerstoneTools.textStyle.getFont();
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var config = cornerstoneTools[toolType].getConfiguration();
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context.font = font;
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for (var i = 0; i < toolData.data.length; i++) {
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var data = toolData.data[i];
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context.save();
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// configurable shadow from CornerstoneTools
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if (config && config.shadow) {
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context.shadowColor = '#000000';
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context.shadowOffsetX = 1;
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context.shadowOffsetY = 1;
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}
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if (data.active) {
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color = cornerstoneTools.toolColors.getActiveColor();
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} else {
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color = cornerstoneTools.toolColors.getToolColor();
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}
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// Draw the arrow
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var handleStartCanvas = cornerstone.pixelToCanvas(element, data.handles.start);
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var handleEndCanvas = cornerstone.pixelToCanvas(element, data.handles.end);
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var canvasTextLocation = cornerstone.pixelToCanvas(element, data.handles.textBox);
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drawDottedArrow(context, handleEndCanvas, handleStartCanvas, color, lineWidth);
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if (config.drawHandles) {
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cornerstoneTools.drawHandles(context, eventData, data.handles, color);
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} else if (config.drawHandlesOnHover && data.handles.start.active) {
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cornerstoneTools.drawHandles(context, eventData, [ data.handles.start ], color);
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} else if (config.drawHandlesOnHover && data.handles.end.active) {
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cornerstoneTools.drawHandles(context, eventData, [ data.handles.end ], color);
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}
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// Draw the text
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if (data.lesionNumber) {
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// Draw linked line as dashed
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var mid = {
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x: (handleStartCanvas.x + handleEndCanvas.x) / 2,
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y: (handleStartCanvas.y + handleEndCanvas.y) / 2
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};
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context.beginPath();
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context.strokeStyle = color;
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context.lineWidth = lineWidth;
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context.setLineDash([ 2, 3 ]);
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context.moveTo(mid.x, mid.y);
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context.lineTo(canvasTextLocation.x + 20, canvasTextLocation.y + 20);
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context.stroke();
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var boundingBox = cornerstoneTools.drawTextBox(context, "Target " + + data.lesionNumber, canvasTextLocation.x, canvasTextLocation.y, color);
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data.handles.textBox.boundingBox = boundingBox;
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}
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context.restore();
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}
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}
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// ---- Touch tool ----
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///////// BEGIN ACTIVE TOOL ///////
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function addNewMeasurementTouch(touchEventData) {
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var element = touchEventData.element;
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function doneCallback(lesionNumber) {
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measurementData.lesionNumber = lesionNumber;
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measurementData.active = true;
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cornerstone.updateImage(element);
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}
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var measurementData = createNewMeasurement(touchEventData);
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cornerstoneTools.addToolState(element, toolType, measurementData);
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$(element).off('CornerstoneToolsTouchDrag', cornerstoneTools[toolType+"Touch"].touchMoveHandle);
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$(element).off('CornerstoneToolsDragStartActive',cornerstoneTools[toolType+"Touch"].touchDownActivateCallback);
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$(element).off('CornerstoneToolsTap', cornerstoneTools[toolType+"Touch"].tapCallback);
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var config = cornerstoneTools[toolType].getConfiguration();
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// Set lesion number and lesion name
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if (measurementData.lesionName === undefined) {
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config.setLesionNumberCallback(measurementData, touchEventData, doneCallback);
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}
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cornerstone.updateImage(element);
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cornerstoneTools.moveNewHandleTouch(touchEventData, toolType, measurementData, measurementData.handles.end, function() {
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cornerstone.updateImage(element);
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if (cornerstoneTools.anyHandlesOutsideImage(touchEventData, measurementData.handles)) {
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// delete the measurement
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cornerstoneTools.removeToolState(element, toolType, measurementData);
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}
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config.getLesionLocationCallback(measurementData, touchEventData, doneCallback);
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$(element).on('CornerstoneToolsTouchDrag', cornerstoneTools[toolType+"Touch"].touchMoveHandle);
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$(element).on('CornerstoneToolsDragStartActive', cornerstoneTools[toolType+"Touch"].touchDownActivateCallback);
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$(element).on('CornerstoneToolsTap', cornerstoneTools[toolType+"Touch"].tapCallback);
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});
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}
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function doubleClickCallback(e, eventData) {
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var element = eventData.element;
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var data;
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function doneCallback(data, deleteTool) {
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if (deleteTool === true) {
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cornerstoneTools.removeToolState(element, toolType, data);
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cornerstone.updateImage(element);
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return;
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}
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data.active = false;
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cornerstone.updateImage(element);
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}
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if (e.data && e.data.mouseButtonMask && !cornerstoneTools.isMouseButtonEnabled(eventData.which, e.data.mouseButtonMask)) {
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return false;
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}
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var config = cornerstoneTools[toolType].getConfiguration();
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var coords = eventData.currentPoints.canvas;
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var toolData = cornerstoneTools.getToolState(element, toolType);
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// now check to see if there is a handle we can move
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if (!toolData) {
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return false;
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}
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for (var i = 0; i < toolData.data.length; i++) {
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data = toolData.data[i];
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if (pointNearTool(element, data, coords)) {
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data.active = true;
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cornerstone.updateImage(element);
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// Allow relabelling via a callback
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config.changeLesionLocationCallback(data, eventData, doneCallback);
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e.stopImmediatePropagation();
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return false;
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}
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}
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return false; // false = causes jquery to preventDefault() and stopPropagation() this event
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}
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toolInterface.crunex = cornerstoneTools.mouseButtonTool({
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addNewMeasurement: addNewMeasurement,
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createNewMeasurement: createNewMeasurement,
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onImageRendered: onImageRendered,
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pointNearTool: pointNearTool,
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toolType: toolType,
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mouseDoubleClickCallback: doubleClickCallback
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});
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toolInterface.crunexTouch = cornerstoneTools.touchTool({
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addNewMeasurement: addNewMeasurementTouch,
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createNewMeasurement: createNewMeasurement,
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onImageRendered: onImageRendered,
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pointNearTool: pointNearTool,
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toolType: toolType
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// pressCallback: doubleClickCallback
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});
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return toolInterface;
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}
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cornerstoneTools.crunexTool = crunexTool;
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})($, cornerstone, cornerstoneMath, cornerstoneTools);
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