UNPKG

@daign/2d-pipeline

Version:
43 lines (42 loc) 1.35 kB
import { GraphicNode } from './graphicNode'; import { PresentationNode } from './presentationNode'; /** * The view class that replicates a subtree of the graphic document and prepares it for rendering. */ export declare class View extends GraphicNode { /** * The root of the subtree to be rendered. */ protected anchorNode: GraphicNode | null; /** * Callback to remove subscriptions when the source node changes. */ private anchorNodeSubscriptionRemover; /** * The representation of the view and root of the replicated tree. */ viewPresentationNode: PresentationNode | null; /** * Constructor. */ constructor(); /** * Set the anchor node of the view, that is the root of the subtree to be rendered. * @param anchorNode The anchor node. */ mountNode(anchorNode: GraphicNode): void; /** * Creates a copy of the graphic document starting from the source node. */ private replicateDocumentTree; /** * Recursively create copies of all graphic nodes. * @param parent The node that will be the parent of the source node's copy. * @param sourceNode The graphic node to copy. */ private replicateRecursive; /** * Remove a previously created presentation tree. */ private destroyDocumentTree; }