Updates to Lesion Tracker lesionTable and Packaging
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Erik Ziegler committed
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var lineIndex = 0; //This holds drawn line index
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var cornerstoneTools = (function ($, cornerstone, cornerstoneMath, cornerstoneTools) {
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"use strict";
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if(cornerstoneTools === undefined) {
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cornerstoneTools = {};
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}
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var toolType = "lesion";
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///////// BEGIN ACTIVE TOOL ///////
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function createNewMeasurement(mouseEventData)
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{
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var element = mouseEventData.element;
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var lesionCounter = "";
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//setting name of lesion
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$(element).on("LesionNameSet", function(e,counter){
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lesionCounter = counter;
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});
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//Listens LesionToolModified event and calls measurementModified function when lesion measurement is changed or updated.
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$(element).on("LesionToolModified", measurementModified);
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$(element).trigger("LesionMeasurementCreated");
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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: true
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}
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},
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index: lineIndex,
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measurementText: "",
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linkedTextCoords: {
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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: true
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},
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init: false
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},
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lesionName: "Target "+lesionCounter,
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isDeleted: false,
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lineNumber:"" //Indicates line number on image
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};
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lineIndex++;
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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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{
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var lineSegment = {
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start: cornerstone.pixelToCanvas(element, data.handles.start), 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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return (distanceToPoint < 25);
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}
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function pointNearToolForText(element, data, coords) {
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var lineSegment = {
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start: cornerstone.pixelToCanvas(element, data.linkedTextCoords.start), end: cornerstone.pixelToCanvas(element, data.linkedTextCoords.end)
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};
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var distanceToPoint = cornerstoneMath.lineSegment.distanceToPoint(lineSegment, coords);
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return (distanceToPoint < 30);
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}
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///////// BEGIN IMAGE RENDERING ///////
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function onImageRendered(e, eventData) {
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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(e.currentTarget, toolType);
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if (toolData === undefined) {
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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.length.getConfiguration();
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for (var i = 0; i < toolData.data.length; i++) {
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context.save();
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// configurable shadow
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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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var data = toolData.data[i];
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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 line
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var handleStartCanvas = cornerstone.pixelToCanvas(eventData.element, data.handles.start);
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var handleEndCanvas = cornerstone.pixelToCanvas(eventData.element, data.handles.end);
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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.moveTo(handleStartCanvas.x, handleStartCanvas.y);
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context.lineTo(handleEndCanvas.x, handleEndCanvas.y);
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context.stroke();
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// draw the handles
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cornerstoneTools.drawHandles(context, eventData, data.handles, color);
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//Set coordinates of text
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var linkedTextStartCanvas = cornerstone.pixelToCanvas(eventData.element, data.linkedTextCoords.start);
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var linkedTextEndCanvas = cornerstone.pixelToCanvas(eventData.element, data.linkedTextCoords.end);
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if(!data.linkedTextCoords.init){
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data.linkedTextCoords.start.x = data.handles.start.x + 50;
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data.linkedTextCoords.start.y = data.handles.start.y + 40;
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linkedTextStartCanvas = cornerstone.pixelToCanvas(eventData.element, data.linkedTextCoords.start);
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//Set end point of linkedTextCoords
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data.linkedTextCoords.end.x = data.linkedTextCoords.start.x + 50;
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data.linkedTextCoords.end.y = data.linkedTextCoords.start.y + 30;
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linkedTextEndCanvas = cornerstone.pixelToCanvas(eventData.element, data.linkedTextCoords.end);
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//initialized coordinates of text
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data.linkedTextCoords.init = true;
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}
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//Draw linked line as dashed
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context.setLineDash([2,3]);
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context.beginPath();
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context.strokeStyle = color;
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context.lineWidth = 1 / eventData.viewport.scale;
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var mid = {
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x:(handleStartCanvas.x + handleEndCanvas.x) / 2, y:(handleStartCanvas.y + handleEndCanvas.y) / 2
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};
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context.moveTo(mid.x, mid.y);
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context.lineTo(linkedTextStartCanvas.x + 20, linkedTextStartCanvas.y + 20);
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context.stroke();
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// Draw the text
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context.fillStyle = color;
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context.font = font;
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var dx = (data.handles.start.x - data.handles.end.x) * (eventData.image.columnPixelSpacing || 1);
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var dy = (data.handles.start.y - data.handles.end.y) * (eventData.image.rowPixelSpacing || 1);
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var length = Math.sqrt(dx * dx + dy * dy);
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var suffix = ' mm';
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if (!eventData.image.rowPixelSpacing || !eventData.image.columnPixelSpacing) {
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suffix = ' pixels';
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}
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var text = '' + length.toFixed(2) + suffix;
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var textCoords = {
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x: linkedTextStartCanvas.x, y: linkedTextStartCanvas.y
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};
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cornerstoneTools.drawTextBox(context, data.lesionName, textCoords.x, textCoords.y, color);
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cornerstoneTools.drawTextBox(context, text, textCoords.x, textCoords.y + 20, color);
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//Set measurement text to show lesion table
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data.measurementText = length.toFixed(2);
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$(eventData.enabledElement.element).trigger("LesionTextChanged",data);
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context.restore();
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}
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}
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///////// END IMAGE RENDERING ///////
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//This function is called from cornerstone-viewport.html and updates lesion measurement and makes the lesion active
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function measurementModified(e, eventObject){
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var start = new Date();
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var enabledElement = eventObject.enabledElement;
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var lineIndex = eventObject.lineIndex;
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var type = eventObject.type;
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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(e.currentTarget, toolType);
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if (toolData === undefined) {
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return;
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}
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//If type is delete, remove measurement
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if(type === "delete") {
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var deletedDataIndex = -1;
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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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//When click a row of table measurements, measurement will be active and color will be green
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if (data.index === eventObject.lineIndex && eventObject.type !== "active") {
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data.visible = false;
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deletedDataIndex = i;
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}
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}
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if (deletedDataIndex >= 0 && deletedDataIndex < toolData.data.length) {
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toolData.data.splice(deletedDataIndex, 1);
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}
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} else {
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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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//When click a row of table measurements, measurement will be active and color will be green
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if (data.index === eventObject.lineIndex && eventObject.type === "active") {
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data.active = true;
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} else{
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data.active = false;
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}
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}
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}
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enabledElement.image.render(enabledElement, true);
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var context = enabledElement.canvas.getContext('2d');
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var end = new Date();
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var diff = end - start;
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//console.log(diff + ' ms');
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var eventData = {
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viewport : enabledElement.viewport,
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element : enabledElement.element,
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image : enabledElement.image,
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enabledElement : enabledElement,
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canvasContext: context,
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measurementText: "",
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renderTimeInMs : diff,
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lineIndex : lineIndex,
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type : type //Holds image will be deleted or active
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};
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enabledElement.invalid = false;
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onImageRendered(e, eventData);
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}
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// module exports
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cornerstoneTools.lesion = cornerstoneTools.mouseButtonTool({
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createNewMeasurement : createNewMeasurement,
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onImageRendered: onImageRendered,
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pointNearTool : pointNearTool,
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pointNearToolForText: pointNearToolForText,
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toolType : toolType
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});
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cornerstoneTools.lesionTouch = cornerstoneTools.touchTool({
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createNewMeasurement: createNewMeasurement,
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onImageRendered: onImageRendered,
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pointNearTool: pointNearTool,
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pointNearToolForText: pointNearToolForText,
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toolType: toolType
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});
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return cornerstoneTools;
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}($, cornerstone, cornerstoneMath, cornerstoneTools));
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