WIP reorganization

legacy/Packages/ohif-lesiontracker/client/compatibility/bidirectionalTool/pointNearTool.js

@@ -0,0 +1,33 @@
+import { cornerstone, cornerstoneMath, cornerstoneTools } from 'meteor/ohif:cornerstone';
+import { distanceThreshold } from './definitions';
+
+const pointNearPerpendicular = (element, handles, coords) => {
+    const lineSegment = {
+        start: cornerstone.pixelToCanvas(element, handles.perpendicularStart),
+        end: cornerstone.pixelToCanvas(element, handles.perpendicularEnd)
+    };
+
+    const distanceToPoint = cornerstoneMath.lineSegment.distanceToPoint(lineSegment, coords);
+
+    return (distanceToPoint < distanceThreshold);
+};
+
+export default function(element, data, coords) {
+    const { handles } = data;
+    const lineSegment = {
+        start: cornerstone.pixelToCanvas(element, handles.start),
+        end: cornerstone.pixelToCanvas(element, handles.end)
+    };
+
+    const distanceToPoint = cornerstoneMath.lineSegment.distanceToPoint(lineSegment, coords);
+
+    if (cornerstoneTools.pointInsideBoundingBox(handles.textBox, coords)) {
+        return true;
+    }
+
+    if (pointNearPerpendicular(element, handles, coords)) {
+        return true;
+    }
+
+    return (distanceToPoint < distanceThreshold);
+}