Merge pull request #433 from laurennlam/add_line_widget

Add line widget

Author: martinken

Sources/Common/DataModel/Box/index.js

@@ -172,6 +172,25 @@ function vtkBox(publicAPI, model) {
     }
     return distance;
   };
+
+  publicAPI.addBounds = (...bounds) => {
+    let boundsArray = [];
+
+    if (Array.isArray(bounds[0])) {
+      boundsArray = bounds[0];
+    } else {
+      for (let i = 0; i < bounds.length; i++) {
+        boundsArray.push(bounds[i]);
+      }
+    }
+
+    if (boundsArray.length !== 6) {
+      return;
+    }
+
+    model.bbox.addBounds(...boundsArray);
+    model.bbox.modified();
+  };
 }
 
 // ----------------------------------------------------------------------------

Sources/Interaction/Widgets/AbstractWidget/index.js

@@ -56,6 +56,7 @@ function vtkAbstractWidget(publicAPI, model) {
       // Enable listening events
       publicAPI.listenEvents();
 
+      model.widgetRep.getBounds();
       model.widgetRep.buildRepresentation();
       model.currentRenderer.addViewProp(model.widgetRep);
     } else {
@@ -75,6 +76,13 @@ function vtkAbstractWidget(publicAPI, model) {
       model.currentRenderer = null;
     }
   };
+
+  publicAPI.get2DPointerPosition = () => {
+    const pos = model.interactor.getEventPosition(model.interactor.getPointerIndex());
+    const boundingContainer = model.interactor.getCanvas().getBoundingClientRect();
+    const position = [pos.x - boundingContainer.left, pos.y + boundingContainer.top];
+    return position;
+  };
 }
 
 // ----------------------------------------------------------------------------

Sources/Interaction/Widgets/HandleRepresentation/index.js

@@ -83,7 +83,7 @@ export function extend(publicAPI, model, initialValues = {}) {
   model.pointPlacer = vtkPointPlacer.newInstance();
   model.interactionState = InteractionState.OUTSIDE;
 
-  macro.setGet(publicAPI, model, ['activeRepresentation']);
+  macro.setGet(publicAPI, model, ['activeRepresentation', 'tolerance']);
 
   // Object methods
   vtkHandleRepresentation(publicAPI, model);

Sources/Interaction/Widgets/LineRepresentation/Constants.js

@@ -0,0 +1,21 @@
+export const State = {
+  OUTSIDE: 0,
+  ONP1: 1,
+  ONP2: 2,
+  TRANSLATINGP1: 3,
+  TRANSLATINGP2: 4,
+  ONLINE: 5,
+  SCALING: 6,
+};
+
+export const Restrict = {
+  NONE: 0,
+  X: 1,
+  Y: 2,
+  Z: 3,
+};
+
+export default {
+  State,
+  Restrict,
+};