sprotty/lib/base/animations/animation.d.ts

A next-gen framework for graphical views

/********************************************************************************
 * Copyright (c) 2017-2018 TypeFox and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/
import { CommandExecutionContext } from "../commands/command";
import { SModelRootImpl } from "../model/smodel";
/**
 * An animation uses the rendering loop of the browser to smoothly
 * calculate a transition between two states of a model element.
 */
export declare abstract class Animation {
    protected context: CommandExecutionContext;
    protected ease: (x: number) => number;
    constructor(context: CommandExecutionContext, ease?: (x: number) => number);
    protected stopped: boolean;
    start(): Promise<SModelRootImpl>;
    /**
     * Stop the animation at the current state.
     * The promise returned by start() will be resolved with the current state after the next tweening step.
     */
    stop(): void;
    /**
     * This method called by the animation at each rendering pass until
     * the duration is reached. Implement it to interpolate the state.
     *
     * @param t varies between 0 (start of animation) and 1 (end of animation)
     * @param context
     */
    abstract tween(t: number, context: CommandExecutionContext): SModelRootImpl;
}
export declare class CompoundAnimation extends Animation {
    protected model: SModelRootImpl;
    protected context: CommandExecutionContext;
    components: Animation[];
    protected ease: (x: number) => number;
    constructor(model: SModelRootImpl, context: CommandExecutionContext, components?: Animation[], ease?: (x: number) => number);
    include(animation: Animation): this;
    tween(t: number, context: CommandExecutionContext): SModelRootImpl;
}
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