ScalarBarActor

Source

index.js
import * as macro from 'vtk.js/Sources/macros';
import vtkScalarBarActor from 'vtk.js/Sources/Rendering/Core/ScalarBarActor';
import vtkViewNode from 'vtk.js/Sources/Rendering/SceneGraph/ViewNode';

import { registerOverride } from 'vtk.js/Sources/Rendering/OpenGL/ViewNodeFactory';

// ----------------------------------------------------------------------------
// vtkOpenGLScalarBarActor methods
// ----------------------------------------------------------------------------

function vtkOpenGLScalarBarActor(publicAPI, model) {
model.classHierarchy.push('vtkOpenGLScalarBarActor');

// Builds myself.
publicAPI.buildPass = (prepass) => {
if (prepass) {
model.openGLRenderer =
publicAPI.getFirstAncestorOfType('vtkOpenGLRenderer');
model._openGLRenderWindow = model.openGLRenderer.getParent();

if (!model.scalarBarActorHelper.getRenderable()) {
model.scalarBarActorHelper.setRenderable(model.renderable);
}

publicAPI.prepareNodes();
publicAPI.addMissingNode(model.scalarBarActorHelper.getBarActor());
publicAPI.addMissingNode(model.scalarBarActorHelper.getTmActor());
publicAPI.removeUnusedNodes();
}
};

publicAPI.opaquePass = (prepass, renderPass) => {
if (prepass) {
const camera = model.openGLRenderer
? model.openGLRenderer.getRenderable().getActiveCamera()
: null;
const tsize = model.openGLRenderer.getTiledSizeAndOrigin();

model.scalarBarActorHelper.updateAPISpecificData(
[tsize.usize, tsize.vsize],
camera,
model._openGLRenderWindow.getRenderable()
);
}
};
}

// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------

const DEFAULT_VALUES = {};

// ----------------------------------------------------------------------------

export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);

// Inheritance
vtkViewNode.extend(publicAPI, model, initialValues);

model.scalarBarActorHelper = vtkScalarBarActor.newScalarBarActorHelper();

// Object methods
vtkOpenGLScalarBarActor(publicAPI, model);
}

// ----------------------------------------------------------------------------

export const newInstance = macro.newInstance(extend, 'vtkOpenGLScalarBarActor');

// ----------------------------------------------------------------------------

export default { newInstance, extend };

// Register ourself to OpenGL backend if imported
registerOverride('vtkScalarBarActor', newInstance);