413 lines
14 KiB
JavaScript
413 lines
14 KiB
JavaScript
import { OHIF } from 'meteor/ohif:core';
|
|
import { Viewerbase } from 'meteor/ohif:viewerbase';
|
|
|
|
import { cornerstone, cornerstoneMath, cornerstoneTools } from 'meteor/ohif:cornerstone';
|
|
|
|
const toolType = 'nonTarget';
|
|
|
|
const toolDefaultStates = Viewerbase.toolManager.getToolDefaultStates();
|
|
const shadowConfig = toolDefaultStates.shadowConfig;
|
|
const textBoxConfig = toolDefaultStates.textBoxConfig;
|
|
|
|
const configuration = {
|
|
getMeasurementLocationCallback,
|
|
changeMeasurementLocationCallback,
|
|
drawHandles: false,
|
|
drawHandlesOnHover: true,
|
|
arrowFirst: true,
|
|
textBox: textBoxConfig,
|
|
...shadowConfig,
|
|
};
|
|
|
|
// Used to cancel tool placement
|
|
const keys = {
|
|
ESC: 27
|
|
};
|
|
|
|
const getPosition = eventData => {
|
|
const event = eventData.event;
|
|
return {
|
|
x: event.clientX,
|
|
y: event.clientY
|
|
};
|
|
};
|
|
|
|
// Define a callback to get your text annotation
|
|
// This could be used, e.g. to open a modal
|
|
function getMeasurementLocationCallback(measurementData, eventData) {
|
|
if (OHIF.lesiontracker.removeMeasurementIfInvalid(measurementData, eventData)) {
|
|
return;
|
|
}
|
|
|
|
delete measurementData.isCreating;
|
|
|
|
OHIF.ui.showDialog('dialogNonTargetMeasurement', {
|
|
position: getPosition(eventData),
|
|
title: 'Select Lesion Location',
|
|
element: eventData.element,
|
|
measurementData
|
|
});
|
|
}
|
|
|
|
function changeMeasurementLocationCallback(measurementData, eventData) {
|
|
if (OHIF.lesiontracker.removeMeasurementIfInvalid(measurementData, eventData)) {
|
|
return;
|
|
}
|
|
|
|
OHIF.ui.showDialog('dialogNonTargetMeasurement', {
|
|
position: getPosition(eventData),
|
|
title: 'Change Lesion Location',
|
|
element: eventData.element,
|
|
measurementData,
|
|
edit: true
|
|
});
|
|
}
|
|
|
|
/// --- Mouse Tool --- ///
|
|
///////// BEGIN ACTIVE TOOL ///////
|
|
function addNewMeasurement(mouseEventData) {
|
|
const element = mouseEventData.element;
|
|
|
|
function doneCallback() {
|
|
measurementData.active = true;
|
|
cornerstone.updateImage(element);
|
|
}
|
|
|
|
const measurementData = createNewMeasurement(mouseEventData);
|
|
measurementData.viewport = cornerstone.getViewport(element);
|
|
|
|
const eventData = {
|
|
mouseButtonMask: mouseEventData.which
|
|
};
|
|
|
|
const config = cornerstoneTools.nonTarget.getConfiguration();
|
|
|
|
// associate this data with this imageId so we can render it and manipulate it
|
|
cornerstoneTools.addToolState(mouseEventData.element, toolType, measurementData);
|
|
|
|
// since we are dragging to another place to drop the end point, we can just activate
|
|
// the end point and let the moveHandle move it for us.
|
|
$(element).off('CornerstoneToolsMouseMove', cornerstoneTools.nonTarget.mouseMoveCallback);
|
|
$(element).off('CornerstoneToolsMouseDown', cornerstoneTools.nonTarget.mouseDownCallback);
|
|
$(element).off('CornerstoneToolsMouseDownActivate', cornerstoneTools.nonTarget.mouseDownActivateCallback);
|
|
$(element).off('CornerstoneToolsMouseDoubleClick', doubleClickCallback);
|
|
|
|
// Add a flag for using Esc to cancel tool placement
|
|
let cancelled = false;
|
|
function cancelCallback(e) {
|
|
// If the Esc key was pressed, set the flag to true
|
|
if (e.which === keys.ESC) {
|
|
cancelled = true;
|
|
cornerstoneTools.removeToolState(mouseEventData.element, toolType, measurementData);
|
|
}
|
|
|
|
// Don't propagate this keydown event so it can't interfere
|
|
// with anything outside of this tool
|
|
return false;
|
|
}
|
|
|
|
// Bind a one-time event listener for the Esc key
|
|
$(element).one('keydown', cancelCallback);
|
|
|
|
cornerstone.updateImage(element);
|
|
|
|
cornerstoneTools.moveNewHandle(mouseEventData, toolType, measurementData, measurementData.handles.end, function() {
|
|
if (cancelled || cornerstoneTools.anyHandlesOutsideImage(mouseEventData, measurementData.handles)) {
|
|
// delete the measurement
|
|
cornerstoneTools.removeToolState(mouseEventData.element, toolType, measurementData);
|
|
} else {
|
|
config.getMeasurementLocationCallback(measurementData, mouseEventData, doneCallback);
|
|
}
|
|
|
|
// Unbind the Esc keydown hook
|
|
$(element).off('keydown', cancelCallback);
|
|
|
|
$(element).on('CornerstoneToolsMouseMove', eventData, cornerstoneTools.nonTarget.mouseMoveCallback);
|
|
$(element).on('CornerstoneToolsMouseDown', eventData, cornerstoneTools.nonTarget.mouseDownCallback);
|
|
$(element).on('CornerstoneToolsMouseDownActivate', eventData, cornerstoneTools.nonTarget.mouseDownActivateCallback);
|
|
$(element).on('CornerstoneToolsMouseDoubleClick', eventData, doubleClickCallback);
|
|
|
|
cornerstone.updateImage(mouseEventData.element);
|
|
});
|
|
}
|
|
|
|
function createNewMeasurement(mouseEventData) {
|
|
var imageId = mouseEventData.image.imageId;
|
|
|
|
// Get studyInstanceUid
|
|
var study = cornerstone.metaData.get('study', imageId);
|
|
var studyInstanceUid = study.studyInstanceUid;
|
|
var patientId = study.patientId;
|
|
|
|
// Get seriesInstanceUid
|
|
var series = cornerstone.metaData.get('series', imageId);
|
|
var seriesInstanceUid = series.seriesInstanceUid;
|
|
|
|
// create the measurement data for this tool with the end handle activated
|
|
var measurementData = {
|
|
isCreating: true,
|
|
visible: true,
|
|
active: true,
|
|
handles: {
|
|
start: {
|
|
x: mouseEventData.currentPoints.image.x,
|
|
y: mouseEventData.currentPoints.image.y,
|
|
allowedOutsideImage: true,
|
|
highlight: true,
|
|
active: false
|
|
},
|
|
end: {
|
|
x: mouseEventData.currentPoints.image.x,
|
|
y: mouseEventData.currentPoints.image.y,
|
|
allowedOutsideImage: true,
|
|
highlight: true,
|
|
active: false
|
|
},
|
|
textBox: {
|
|
x: mouseEventData.currentPoints.image.x - 50,
|
|
y: mouseEventData.currentPoints.image.y - 50,
|
|
active: false,
|
|
movesIndependently: false,
|
|
drawnIndependently: true,
|
|
allowedOutsideImage: true,
|
|
hasBoundingBox: true
|
|
}
|
|
},
|
|
imageId: imageId,
|
|
seriesInstanceUid: seriesInstanceUid,
|
|
studyInstanceUid: studyInstanceUid,
|
|
patientId: patientId,
|
|
response: '',
|
|
isTarget: false,
|
|
toolType: 'nonTarget'
|
|
};
|
|
|
|
return measurementData;
|
|
}
|
|
///////// END ACTIVE TOOL ///////
|
|
|
|
function pointNearTool(element, data, coords) {
|
|
var lineSegment = {
|
|
start: cornerstone.pixelToCanvas(element, data.handles.start),
|
|
end: cornerstone.pixelToCanvas(element, data.handles.end)
|
|
};
|
|
var distanceToPoint = cornerstoneMath.lineSegment.distanceToPoint(lineSegment, coords);
|
|
|
|
if (cornerstoneTools.pointInsideBoundingBox(data.handles.textBox, coords)) {
|
|
return true;
|
|
}
|
|
|
|
return distanceToPoint < 25;
|
|
}
|
|
|
|
///////// BEGIN IMAGE RENDERING ///////
|
|
function onImageRendered(e, eventData) {
|
|
var element = eventData.element;
|
|
|
|
// if we have no toolData for this element, return immediately as there is nothing to do
|
|
var toolData = cornerstoneTools.getToolState(element, toolType);
|
|
if (!toolData) {
|
|
return;
|
|
}
|
|
|
|
// we have tool data for this element - iterate over each one and draw it
|
|
var context = eventData.canvasContext.canvas.getContext('2d');
|
|
context.setTransform(1, 0, 0, 1, 0, 0);
|
|
|
|
var color;
|
|
var lineWidth = cornerstoneTools.toolStyle.getToolWidth();
|
|
var config = cornerstoneTools.nonTarget.getConfiguration();
|
|
|
|
for (var i = 0; i < toolData.data.length; i++) {
|
|
var data = toolData.data[i];
|
|
|
|
context.save();
|
|
|
|
// configurable shadow from CornerstoneTools
|
|
if (config && config.shadow) {
|
|
context.shadowColor = config.shadowColor || '#000000';
|
|
context.shadowOffsetX = config.shadowOffsetX || 1;
|
|
context.shadowOffsetY = config.shadowOffsetY || 1;
|
|
}
|
|
|
|
if (data.active) {
|
|
color = cornerstoneTools.toolColors.getActiveColor();
|
|
} else {
|
|
color = cornerstoneTools.toolColors.getToolColor();
|
|
}
|
|
|
|
// Draw the arrow
|
|
var handleStartCanvas = cornerstone.pixelToCanvas(element, data.handles.start);
|
|
var handleEndCanvas = cornerstone.pixelToCanvas(element, data.handles.end);
|
|
var canvasTextLocation = cornerstone.pixelToCanvas(element, data.handles.textBox);
|
|
|
|
cornerstoneTools.drawArrow(context, handleEndCanvas, handleStartCanvas, color, lineWidth);
|
|
|
|
if (config.drawHandles) {
|
|
cornerstoneTools.drawHandles(context, eventData, data.handles, color);
|
|
} else if (config.drawHandlesOnHover && data.handles.start.active) {
|
|
cornerstoneTools.drawHandles(context, eventData, [ data.handles.start ], color);
|
|
} else if (config.drawHandlesOnHover && data.handles.end.active) {
|
|
cornerstoneTools.drawHandles(context, eventData, [ data.handles.end ], color);
|
|
}
|
|
|
|
// Draw the text
|
|
if (data.measurementNumber) {
|
|
|
|
var textLine = `Non-Target ${data.measurementNumber}`;
|
|
var boundingBox = cornerstoneTools.drawTextBox(context, textLine, canvasTextLocation.x, canvasTextLocation.y, color, config.textBox);
|
|
data.handles.textBox.boundingBox = boundingBox;
|
|
|
|
OHIF.cornerstone.repositionTextBox(eventData, data, config.textBox);
|
|
|
|
// Draw linked line as dashed
|
|
var link = {
|
|
start: {},
|
|
end: {}
|
|
};
|
|
|
|
var midpointCanvas = {
|
|
x: (handleStartCanvas.x + handleEndCanvas.x) / 2,
|
|
y: (handleStartCanvas.y + handleEndCanvas.y) / 2,
|
|
};
|
|
|
|
var points = [ handleStartCanvas, handleEndCanvas, midpointCanvas ];
|
|
|
|
link.end.x = canvasTextLocation.x;
|
|
link.end.y = canvasTextLocation.y;
|
|
|
|
link.start = cornerstoneMath.point.findClosestPoint(points, link.end);
|
|
|
|
var boundingBoxPoints = [ {
|
|
// Top middle point of bounding box
|
|
x: boundingBox.left + boundingBox.width / 2,
|
|
y: boundingBox.top
|
|
}, {
|
|
// Left middle point of bounding box
|
|
x: boundingBox.left,
|
|
y: boundingBox.top + boundingBox.height / 2
|
|
}, {
|
|
// Bottom middle point of bounding box
|
|
x: boundingBox.left + boundingBox.width / 2,
|
|
y: boundingBox.top + boundingBox.height
|
|
}, {
|
|
// Right middle point of bounding box
|
|
x: boundingBox.left + boundingBox.width,
|
|
y: boundingBox.top + boundingBox.height / 2
|
|
},
|
|
];
|
|
|
|
link.end = cornerstoneMath.point.findClosestPoint(boundingBoxPoints, link.start);
|
|
context.beginPath();
|
|
context.strokeStyle = color;
|
|
context.lineWidth = lineWidth;
|
|
context.setLineDash([ 2, 3 ]);
|
|
|
|
context.moveTo(link.start.x, link.start.y);
|
|
context.lineTo(link.end.x, link.end.y);
|
|
context.stroke();
|
|
}
|
|
|
|
context.restore();
|
|
}
|
|
}
|
|
|
|
// ---- Touch tool ----
|
|
|
|
///////// BEGIN ACTIVE TOOL ///////
|
|
function addNewMeasurementTouch(touchEventData) {
|
|
var element = touchEventData.element;
|
|
|
|
function doneCallback() {
|
|
measurementData.active = true;
|
|
cornerstone.updateImage(element);
|
|
}
|
|
|
|
var measurementData = createNewMeasurement(touchEventData);
|
|
cornerstoneTools.addToolState(element, toolType, measurementData);
|
|
$(element).off('CornerstoneToolsTouchDrag', cornerstoneTools.nonTargetTouch.touchMoveHandle);
|
|
$(element).off('CornerstoneToolsDragStartActive', cornerstoneTools.nonTargetTouch.touchDownActivateCallback);
|
|
$(element).off('CornerstoneToolsTap', cornerstoneTools.nonTargetTouch.tapCallback);
|
|
var config = cornerstoneTools.nonTarget.getConfiguration();
|
|
|
|
cornerstone.updateImage(element);
|
|
|
|
cornerstoneTools.moveNewHandleTouch(touchEventData, toolType, measurementData, measurementData.handles.end, function() {
|
|
cornerstone.updateImage(element);
|
|
|
|
if (cornerstoneTools.anyHandlesOutsideImage(touchEventData, measurementData.handles)) {
|
|
// delete the measurement
|
|
cornerstoneTools.removeToolState(element, toolType, measurementData);
|
|
}
|
|
|
|
config.getMeasurementLocationCallback(measurementData, touchEventData, doneCallback);
|
|
|
|
$(element).on('CornerstoneToolsTouchDrag', cornerstoneTools.nonTargetTouch.touchMoveHandle);
|
|
$(element).on('CornerstoneToolsDragStartActive', cornerstoneTools.nonTargetTouch.touchDownActivateCallback);
|
|
$(element).on('CornerstoneToolsTap', cornerstoneTools.nonTargetTouch.tapCallback);
|
|
});
|
|
}
|
|
|
|
function doubleClickCallback(e, eventData) {
|
|
var element = eventData.element;
|
|
var data;
|
|
|
|
function doneCallback(data, deleteTool) {
|
|
if (deleteTool === true) {
|
|
cornerstoneTools.removeToolState(element, toolType, data);
|
|
cornerstone.updateImage(element);
|
|
return;
|
|
}
|
|
|
|
data.active = false;
|
|
cornerstone.updateImage(element);
|
|
}
|
|
|
|
if (e.data && e.data.mouseButtonMask && !cornerstoneTools.isMouseButtonEnabled(eventData.which, e.data.mouseButtonMask)) {
|
|
return false;
|
|
}
|
|
|
|
var config = cornerstoneTools.nonTarget.getConfiguration();
|
|
|
|
var coords = eventData.currentPoints.canvas;
|
|
var toolData = cornerstoneTools.getToolState(element, toolType);
|
|
|
|
// now check to see if there is a handle we can move
|
|
if (!toolData) {
|
|
return;
|
|
}
|
|
|
|
for (var i = 0; i < toolData.data.length; i++) {
|
|
data = toolData.data[i];
|
|
if (pointNearTool(element, data, coords)) {
|
|
data.active = true;
|
|
cornerstone.updateImage(element);
|
|
// Allow relabelling via a callback
|
|
config.changeMeasurementLocationCallback(data, eventData, doneCallback);
|
|
|
|
e.stopImmediatePropagation();
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
cornerstoneTools.nonTarget = cornerstoneTools.mouseButtonTool({
|
|
addNewMeasurement,
|
|
createNewMeasurement,
|
|
onImageRendered,
|
|
pointNearTool,
|
|
toolType,
|
|
mouseDoubleClickCallback: doubleClickCallback
|
|
});
|
|
|
|
cornerstoneTools.nonTarget.setConfiguration(configuration);
|
|
|
|
cornerstoneTools.nonTargetTouch = cornerstoneTools.touchTool({
|
|
addNewMeasurement: addNewMeasurementTouch,
|
|
createNewMeasurement,
|
|
onImageRendered,
|
|
pointNearTool,
|
|
toolType
|
|
// pressCallback: doubleClickCallback
|
|
});
|