@omnimedia/omnitool/x/timeline/types.d.ts

open source video processing tools

import { Item, VisualAnimatableItem } from "./parts/item.js";
export type Interpolation = "linear" | "ease" | "easeIn" | "easeOut" | "bounce" | "catmullRom";
export type Keyframe<Value = number> = [time: number, value: Value];
export type Keyframes<Value = number> = Keyframe<Value>[];
export type Vec2 = [x: number, y: number];
export type Transform = [position: Vec2, scale: Vec2, rotation: number];
export type TrackVec2 = {
    x: Keyframes;
    y: Keyframes;
};
export type Anim<T> = {
    terp: Interpolation;
    track: T;
};
export type TrackTransform = {
    position: TrackVec2;
    scale: TrackVec2;
    rotation: Keyframes;
};
export type ScalarAnimation = Anim<Keyframes>;
export type Vec2Animation = Anim<TrackVec2>;
export type TransformAnimation = Anim<TrackTransform>;
export type VisualAnimations = {
    opacity?: ScalarAnimation;
    transform?: TransformAnimation;
};
export type VisualAnimationInput<TKey extends keyof VisualAnimations> = TKey extends "transform" ? Keyframes<Transform> : Keyframes;
export type VisualAnimationValue<TKey extends keyof VisualAnimations> = TKey extends "transform" ? TransformAnimation : ScalarAnimation;
export interface AnimateAction<TKey extends keyof VisualAnimations = keyof VisualAnimations> {
    <T extends VisualAnimatableItem>(item: T, terp: Interpolation, track: VisualAnimationInput<TKey>): T;
    make(terp: Interpolation, track: VisualAnimationInput<TKey>): Item.Animation;
}
export type TransformOptions = {
    position?: Vec2;
    scale?: Vec2;
    rotation?: number;
};