@itwin/core-frontend
Version:
iTwin.js frontend components
49 lines • 2.38 kB
TypeScript
/** @packageDocumentation
* @module Rendering
*/
import { RenderMemory } from "./RenderMemory";
import { Range3d } from "@itwin/core-geometry";
/** Abstract representation of an object which can be rendered by a [[RenderSystem]].
* Two broad classes of graphics exist:
* - "Scene" graphics generated on the back-end to represent the contents of the models displayed in a [[Viewport]]; and
* - [[Decorations]] created on the front-end to be rendered along with the scene.
* The latter are produced using a [[GraphicBuilder]].
* @public
* @extensions
*/
export declare abstract class RenderGraphic implements Disposable {
[Symbol.dispose](): void;
/** @deprecated in 5.0 - will not be removed until after 2026-06-13. Will be made protected in a future release. Use [Symbol.dispose] instead. */
abstract dispose(): void;
/** @internal */
abstract collectStatistics(stats: RenderMemory.Statistics): void;
/** Extend `range` to include the bounding box of this graphic, including any child graphics.
* @internal
*/
abstract unionRange(range: Range3d): void;
}
/** A graphic that owns another graphic. By default, every time a [[Viewport]]'s decorations or dynamics graphics change, the previous graphics are disposed of.
* Use a GraphicOwner to prevent disposal of a graphic that you want to reuse. The graphic owner can be added to decorations and list of dynamics just like any other graphic, but the graphic it owns
* will never be automatically disposed of. Instead, you assume responsibility for disposing of the owned graphic by calling [[disposeGraphic]] when the owned graphic is no longer in use. Failure
* to do so will result in leaks of graphics memory or other webgl resources.
* @public
* @extensions
*/
export declare abstract class RenderGraphicOwner extends RenderGraphic {
/** The owned graphic. */
abstract get graphic(): RenderGraphic;
/** Does nothing. To dispose of the owned graphic, use [[disposeGraphic]]. */
dispose(): void;
/** Disposes of the owned graphic. */
disposeGraphic(): void;
/** @internal */
collectStatistics(stats: RenderMemory.Statistics): void;
/** @internal */
unionRange(range: Range3d): void;
}
/** An array of [[RenderGraphic]]s.
* @public
* @extensions
*/
export type GraphicList = RenderGraphic[];
//# sourceMappingURL=RenderGraphic.d.ts.map