All files / packages/core/src/RenderingEngine/helpers addVolumesToViewports.ts

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import BaseVolumeViewport from '../BaseVolumeViewport';
import type {
  IVolumeViewport,
  IVolumeInput,
  IRenderingEngine,
} from '../../types';
 
/**
 * For each provided viewport it adds a volume to the viewport using the
 * provided renderingEngine
 *
 *
 * @param renderingEngine - The rendering engine to use to get viewports from
 * @param volumeInputs - Array of volume inputs including volumeId. Other properties
 * such as visibility, callback, blendMode, slabThickness are optional
 * @param viewportIds - Array of viewport IDs to add the volume to
 * @param immediateRender - If true, the volumes will be rendered immediately
 * @returns A promise that resolves when all volumes have been added
 */
async function addVolumesToViewports(
  renderingEngine: IRenderingEngine,
  volumeInputs: Array<IVolumeInput>,
  viewportIds: Array<string>,
  immediateRender = false,
  suppressEvents = false
): Promise<void> {
  // Check if all viewports are volumeViewports
  for (const viewportId of viewportIds) {
    const viewport = renderingEngine.getViewport(viewportId);
 
    Iif (!viewport) {
      throw new Error(`Viewport with Id ${viewportId} does not exist`);
    }
 
    // if not instance of BaseVolumeViewport, throw
    Iif (!(viewport instanceof BaseVolumeViewport)) {
      console.warn(
        `Viewport with Id ${viewportId} is not a BaseVolumeViewport. Cannot add volume to this viewport.`
      );
 
      return;
    }
  }
 
  const addVolumePromises = viewportIds.map(async (viewportId) => {
    const viewport = renderingEngine.getViewport(viewportId) as IVolumeViewport;
 
    await viewport.addVolumes(volumeInputs, immediateRender, suppressEvents);
  });
 
  await Promise.all(addVolumePromises);
  return;
}
 
export default addVolumesToViewports;