All files / packages/tools/src/utilities/viewportFilters getViewportIdsWithToolToRender.ts

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import { getEnabledElement } from '@cornerstonejs/core';
import filterViewportsWithFrameOfReferenceUID from './filterViewportsWithFrameOfReferenceUID';
import filterViewportsWithToolEnabled from './filterViewportsWithToolEnabled';
import filterViewportsWithParallelNormals from './filterViewportsWithParallelNormals';
 
/**
 * Given a cornerstone3D enabled `element`, and a `toolName`, find all viewportIds
 * looking at the same Frame Of Reference that have the tool with the given `toolName`
 * active, passive or enabled.
 *
 * @param element - The target cornerstone3D enabled element.
 * @param toolName - The string toolName.
 * @param requireParallelNormals - If true, only return viewports that have parallel normals.
 *
 * @returns An array of viewportIds.
 */
export default function getViewportIdsWithToolToRender(
  element: HTMLDivElement,
  toolName: string,
  requireParallelNormals = true
): string[] {
  const enabledElement = getEnabledElement(element);
  const { renderingEngine, FrameOfReferenceUID } = enabledElement;
 
  let viewports = renderingEngine.getViewports();
 
  viewports = filterViewportsWithFrameOfReferenceUID(
    viewports,
    FrameOfReferenceUID
  );
  viewports = filterViewportsWithToolEnabled(viewports, toolName);
 
  const viewport = renderingEngine.getViewport(enabledElement.viewportId);
 
  if (requireParallelNormals) {
    viewports = filterViewportsWithParallelNormals(
      viewports,
      viewport.getCamera()
    );
  }
 
  const viewportIds = viewports.map((vp) => vp.id);
 
  return viewportIds;
}