canvas-scroll-clip
Version:
Canvas based image sequence scroll animation. Zero dependencies.
75 lines (74 loc) • 1.5 kB
TypeScript
import { ICanvasViewport, IUserInputs } from "../helpers/intefaces";
import Options from "../common/options";
/**
* Canvas
*
* @export
* @class Canvas
*/
export declare class Canvas extends Options {
/**
* Loading
*/
private loading;
/**
* Wrapper HTML element
*/
private _container;
/**
* HTML element
*/
private _wrapper;
/**
* Canvas DOM element
*/
private _canvas;
/**
* Images
*/
private images;
/**
* Canvas context
*/
private context;
/**
* Canvas viewport
*/
protected viewport: ICanvasViewport;
/**
* Creates an instance of Canvas.
*
* @constructor
* @param {HTMLElement} HTML element.
* @memberof Canvas
*/
constructor(element: HTMLElement, options: IUserInputs);
/**
* Preload images
*
* @returns
*/
preload(): Promise<void>;
/**
* Draw image in Canvas Element
*
* @param image
*/
drawImage(image: HTMLImageElement): void;
/**
* Draw image in canvas by frame number
* @param {scrollTop} number
* @private
*
* Hidden in order to not display this method in docs
* @hidden
*/
drawImageByFrameNumber(frameNumber?: number): void;
/**
* Draw image in canvas by scroll top position.
*
* @param {scrollTop} number
*/
drawImageByScrollFraction(scrollFraction: number): void;
}
export default Canvas;