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import type {
Annotation,
EventTypes,
PublicToolProps,
ToolProps,
AnnotationRenderContext,
} from '../../types';
import {
config as segmentationConfig,
state as segmentationState,
segmentLocking,
segmentIndex as segmentIndexController,
activeSegmentation,
} from '../../stateManagement/segmentation';
import type { ContourSegmentationAnnotation } from '../../types/ContourSegmentationAnnotation';
import type { SplineContourSegmentationAnnotation } from '../../types/ToolSpecificAnnotationTypes';
import type { StyleSpecifier } from '../../types/AnnotationStyle';
import { SegmentationRepresentations } from '../../enums';
import ContourBaseTool from './ContourBaseTool';
import { triggerSegmentationDataModified } from '../../stateManagement/segmentation/triggerSegmentationEvents';
import { InterpolationManager } from '../../utilities/contours/interpolation';
import {
addContourSegmentationAnnotation,
removeContourSegmentationAnnotation,
} from '../../utilities/contourSegmentation';
import { getToolGroupIdsWithSegmentation } from '../../stateManagement/segmentation/segmentationState';
import { triggerAnnotationRenderForToolGroupIds } from '../../utilities';
/**
* A base contour segmentation class responsible for rendering, registering
* and unregister contour segmentation annotations.
*/
abstract class ContourSegmentationBaseTool extends ContourBaseTool {
constructor(toolProps: PublicToolProps, defaultToolProps: ToolProps) {
super(toolProps, defaultToolProps);
if (this.configuration.interpolation?.enabled) {
InterpolationManager.addTool(this.getToolName());
}
}
/**
* Allow children classes inherit from this one and disable contour segmentation
* behavior and children classes shall work like a normal contour instance which
* is useful for "hybrid" classes such as splineROI/splineSeg, livewire/livewireSeg,
* freehandROI/freehandSeg. When this method returns false:
* - contour segmentation data is not added to new annotations
* - annotations are not registered/unregistered as segmentations
* - annotation style shall not contain any segmentation style
* @returns True if it is a contour segmentation class or false otherwise
*/
protected isContourSegmentationTool(): boolean {
return true;
}
protected createAnnotation(evt: EventTypes.InteractionEventType): Annotation {
const { toolGroupId } = this;
const contourAnnotation = super.createAnnotation(evt);
Iif (!this.isContourSegmentationTool()) {
return contourAnnotation;
}
const activeSegmentationRepresentation =
activeSegmentation.getActiveSegmentationRepresentation(toolGroupId);
Iif (!activeSegmentationRepresentation) {
throw new Error(
'No active segmentation detected, create one before using scissors tool'
);
}
const { type: segmentationType } = activeSegmentationRepresentation;
Iif (segmentationType !== SegmentationRepresentations.Contour) {
throw new Error(`A contour segmentation must be active`);
}
const { segmentationId } = activeSegmentationRepresentation;
const segmentIndex =
segmentIndexController.getActiveSegmentIndex(segmentationId);
return <ContourSegmentationAnnotation>utilities.deepMerge(
contourAnnotation,
{
data: {
segmentation: {
segmentationId,
segmentIndex,
},
},
}
);
}
protected addAnnotation(
annotation: Annotation,
element: HTMLDivElement
): string {
const annotationUID = super.addAnnotation(annotation, element);
Eif (this.isContourSegmentationTool()) {
const contourSegAnnotation = annotation as ContourSegmentationAnnotation;
addContourSegmentationAnnotation(contourSegAnnotation);
}
return annotationUID;
}
/**
* Unregister the segmentation when the annotation is canceled
* @param annotation - Contour segmentation annotation
*/
protected cancelAnnotation(annotation: Annotation): void {
if (this.isContourSegmentationTool()) {
removeContourSegmentationAnnotation(
annotation as ContourSegmentationAnnotation
);
}
super.cancelAnnotation(annotation);
}
/**
* Get the annotation style that may or may not be merged with segmentation
* style so that it can be used by ROI and contour segmentation annotations
* when rendered on a canvas or svg layer.
*
* Segmentation style shall be a combination of four different configurations
* from different levels (global, toolGroup, segmentation and segment) and it
* shall not be used when isContourSegmentationTool() is overwritten and changed
* by a child class to return `false` when that class should work only as an ROI.
*/
protected getAnnotationStyle(context: {
annotation: Annotation;
styleSpecifier: StyleSpecifier;
}) {
const annotationStyle = super.getAnnotationStyle(context);
Iif (!this.isContourSegmentationTool()) {
return annotationStyle;
}
const contourSegmentationStyle = this._getContourSegmentationStyle(context);
return utilities.deepMerge(annotationStyle, contourSegmentationStyle);
}
protected renderAnnotationInstance(
renderContext: AnnotationRenderContext
): boolean {
const { annotation } = renderContext;
const { invalidated } = annotation;
// Render the annotation before triggering events
const renderResult = super.renderAnnotationInstance(renderContext);
if (invalidated && this.isContourSegmentationTool()) {
const { segmentationId } = (<SplineContourSegmentationAnnotation>(
annotation
)).data.segmentation;
triggerSegmentationDataModified(segmentationId);
// check which other viewport is rendering the same segmentationId
// and trigger the event for them to be able to render the segmentation
// annotation as well
const toolGroupIds = getToolGroupIdsWithSegmentation(segmentationId);
triggerAnnotationRenderForToolGroupIds(toolGroupIds);
}
return renderResult;
}
/**
* Return the annotation style based on global, toolGroup, segmentation
* and segment segmentation configurations.
*/
private _getContourSegmentationStyle(context: {
annotation: Annotation;
styleSpecifier: StyleSpecifier;
}): Record<string, any> {
const { toolGroupId } = this;
const annotation = context.annotation as ContourSegmentationAnnotation;
const { segmentationId, segmentIndex } = annotation.data.segmentation;
const segmentation = segmentationState.getSegmentation(segmentationId);
const segmentationRepresentation =
this._getSegmentationRepresentation(segmentationId);
Iif (!segmentationRepresentation) {
// return defaults if no segmentation representation is found
return {};
}
const { segmentationRepresentationUID } = segmentationRepresentation;
const { active } = segmentationRepresentation;
const { autoGenerated } = annotation;
const segmentsLocked = segmentLocking.getLockedSegments(segmentationId);
const annotationLocked = segmentsLocked.includes(segmentIndex as never);
// Todo: we should really get styles every time we render, since it is getting
// the style for the visibility and that goes through the segment indices
// calculation which is expensive. We should cache the styles and only update
// them if the segmentation representation modified event is triggered.
const segmentColor = segmentationConfig.color.getColorForSegmentIndex(
toolGroupId,
segmentationRepresentationUID,
segmentIndex
);
const segmentationVisible =
segmentationConfig.visibility.getSegmentationVisibility(
toolGroupId,
segmentationRepresentationUID
);
const globalConfig = segmentationConfig.getGlobalConfig();
const toolGroupConfig =
segmentationConfig.getToolGroupSpecificConfig(toolGroupId);
const segmentationRepresentationConfig =
segmentationConfig.getSegmentationRepresentationSpecificConfig(
toolGroupId,
segmentationRepresentationUID
);
const segmentConfig = segmentationConfig.getSegmentSpecificConfig(
toolGroupId,
segmentationRepresentationUID,
segmentIndex
);
const segmentVisible = segmentationConfig.visibility.getSegmentVisibility(
toolGroupId,
segmentationRepresentationUID,
segmentIndex
);
// Merge the configurations from different levels based on its precedence
const mergedConfig = Object.assign(
{},
globalConfig?.representations?.CONTOUR ?? {},
toolGroupConfig?.representations?.CONTOUR ?? {},
segmentationRepresentationConfig?.CONTOUR ?? {},
segmentConfig?.CONTOUR ?? {}
);
let lineWidth = 1;
let lineDash = undefined;
let lineOpacity = 1;
let fillOpacity = 0;
Iif (autoGenerated) {
lineWidth = mergedConfig.outlineWidthAutoGenerated ?? lineWidth;
lineDash = mergedConfig.outlineDashAutoGenerated ?? lineDash;
lineOpacity = mergedConfig.outlineOpacity ?? lineOpacity;
fillOpacity = mergedConfig.fillAlphaAutoGenerated ?? fillOpacity;
} else if (active) {
lineWidth = mergedConfig.outlineWidthActive ?? lineWidth;
lineDash = mergedConfig.outlineDashActive ?? lineDash;
lineOpacity = mergedConfig.outlineOpacity ?? lineOpacity;
fillOpacity = mergedConfig.fillAlpha ?? fillOpacity;
} else E{
lineWidth = mergedConfig.outlineWidthInactive ?? lineWidth;
lineDash = mergedConfig.outlineDashInactive ?? lineDash;
lineOpacity = mergedConfig.outlineOpacityInactive ?? lineOpacity;
fillOpacity = mergedConfig.fillAlphaInactive ?? fillOpacity;
}
// Change the line thickness when the mouse is over the contour segment
Eif (segmentation.activeSegmentIndex === segmentIndex) {
lineWidth += mergedConfig.activeSegmentOutlineWidthDelta;
}
lineWidth = mergedConfig.renderOutline ? lineWidth : 0;
fillOpacity = mergedConfig.renderFill ? fillOpacity : 0;
const color = `rgba(${segmentColor[0]}, ${segmentColor[1]}, ${segmentColor[2]}, ${lineOpacity})`;
const fillColor = `rgb(${segmentColor[0]}, ${segmentColor[1]}, ${segmentColor[2]})`;
return {
color,
fillColor,
lineWidth,
fillOpacity,
lineDash,
textbox: {
color,
},
visibility: segmentationVisible && segmentVisible,
locked: annotationLocked,
};
}
private _getSegmentationRepresentation(segmentationId) {
const segmentationRepresentations =
segmentationState.getSegmentationRepresentations(this.toolGroupId);
const validSegmentationRepresentations = segmentationRepresentations.filter(
(representation) => representation.segmentationId === segmentationId
);
Iif (!validSegmentationRepresentations) {
console.warn(
`No segmentation representation found for toolGroupId: ${this.toolGroupId}`
);
return;
}
Iif (
segmentationState.getSegmentationRepresentations(this.toolGroupId)
.length > 1
) {
console.warn(
'Multiple segmentation representations detected for this tool group. The first one will be used.'
);
}
return validSegmentationRepresentations[0];
}
}
export { ContourSegmentationBaseTool as default, ContourSegmentationBaseTool };
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