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getSegmentationRepresentation,
getSegmentationRepresentations,
} from '../getSegmentationRepresentation';
import { setSegmentationRepresentationVisibility as _setSegmentationRepresentationVisibility } from '../setSegmentationRepresentationVisibility';
import { getSegmentationRepresentationVisibility as _getSegmentationRepresentationVisibility } from '../getSegmentationRepresentationVisibility';
import type { SegmentationRepresentations } from '../../../enums';
import { triggerSegmentationRenderBySegmentationId } from '../SegmentationRenderingEngine';
import { triggerSegmentationRepresentationModified } from '../triggerSegmentationEvents';
/**
* Sets the visibility of a segmentation representation for a given viewport.
*
* @param viewportId - The ID of the viewport that the segmentation representation belongs to.
* @param specifier - The specifier for the segmentation representation.
* @param specifier.segmentationId - The ID of the segmentation.
* @param specifier.type - The type of the segmentation representation.
* @param visibility - The visibility state to set for the segmentation representation.
* @returns void
*
* @remarks
* This function sets the visibility of a specific segmentation representation for a given viewport.
* if the type is not specified, the visibility of all representations of the segmentation will be set.
*/
function setSegmentationRepresentationVisibility(
viewportId: string,
specifier: {
segmentationId: string;
type?: SegmentationRepresentations;
},
visibility: boolean
): void {
const representations = getSegmentationRepresentations(viewportId, specifier);
if (!representations) {
return;
}
representations.forEach((representation) => {
_setSegmentationRepresentationVisibility(
viewportId,
{
segmentationId: representation.segmentationId,
type: representation.type,
},
visibility
);
});
}
/**
* Gets the visibility of a segmentation representation for a given viewport.
*
* @param viewportId - The ID of the viewport that the segmentation representation belongs to.
* @param segmentationId - The ID of the segmentation to get visibility for.
* @param type - The type of segmentation representation.
* @returns The visibility state of the segmentation representation, or undefined if not found.
*
*/
function getSegmentationRepresentationVisibility(
viewportId: string,
specifier: {
segmentationId: string;
type: SegmentationRepresentations;
}
): boolean | undefined {
return _getSegmentationRepresentationVisibility(viewportId, specifier);
}
/**
* Sets the visibility of a single segment for a specific viewport and segmentation representation.
*
* @param viewportId - The ID of the viewport.
* @param specifier - The specifier for the segmentation representation.
* @param specifier.segmentationId - The ID of the segmentation.
* @param specifier.type - The type of the segmentation representation.
* @param segmentIndex - The index of the segment to modify.
* @param visibility - The visibility status to set for the segment.
*
* @remarks
* If the type is not specified, the visibility of all representations of the segmentation will be set.
* If the type is specified, the visibility of the exact type representation will be set.
*/
function setSegmentIndexVisibility(
viewportId: string,
specifier: {
segmentationId: string;
type?: SegmentationRepresentations;
},
segmentIndex: number,
visibility: boolean
): void {
const representations = getSegmentationRepresentations(viewportId, specifier);
if (!representations) {
return;
}
representations.forEach((representation) => {
// If the representation does not have segments, we cannot set visibility
if (!representation.segments || !representation.segments[segmentIndex]) {
return;
}
representation.segments[segmentIndex].visible = visibility;
});
// Note: we should make sure to trigger here, since this does not go
// through the SegmentationStateManager
triggerSegmentationRenderBySegmentationId(specifier.segmentationId);
triggerSegmentationRepresentationModified(
viewportId,
specifier.segmentationId
);
}
/**
* Retrieves the visibility of a specific segment for a given viewport and segmentation representation.
*
* @param viewportId - The ID of the viewport.
* @param segmentationId - The ID of the segmentation.
* @param type - The type of segmentation representation.
* @param segmentIndex - The index of the segment to check.
* @returns True if the segment is visible, false otherwise.
*/
function getSegmentIndexVisibility(
viewportId: string,
specifier: {
segmentationId: string;
type: SegmentationRepresentations;
},
segmentIndex: number
): boolean {
const hiddenSegments = getHiddenSegmentIndices(viewportId, specifier);
return !hiddenSegments.has(segmentIndex);
}
/**
* Retrieves the hidden segment indices for a given viewport and segmentation representation.
*
* @param viewportId - The ID of the viewport.
* @param specifier - The specifier for the segmentation representation.
* @param specifier.segmentationId - The ID of the segmentation.
* @param specifier.type - The type of the segmentation representation.
* @returns A Set of hidden segment indices.
*/
function getHiddenSegmentIndices(
viewportId: string,
specifier: {
segmentationId: string;
type: SegmentationRepresentations;
}
): Set<number> {
const representation = getSegmentationRepresentation(viewportId, specifier);
if (!representation) {
return new Set();
}
const segmentsHidden = Object.entries(representation.segments).reduce(
(acc, [segmentIndex, segment]) => {
if (!segment.visible) {
acc.add(Number(segmentIndex));
}
return acc;
},
new Set<number>()
);
return segmentsHidden;
}
export {
setSegmentationRepresentationVisibility,
getSegmentationRepresentationVisibility,
setSegmentIndexVisibility,
getSegmentIndexVisibility,
getHiddenSegmentIndices,
};
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