konva
Version:
HTML5 2d canvas library for interactive graphics, design editors, whiteboards, and diagrams.
25 lines (24 loc) • 967 B
TypeScript
import type { Filter } from '../Node.ts';
/**
* Brighten Filter.
* @deprecated Use {@link Konva.Filters.Brightness} instead for CSS-compatible behavior.
* This filter uses additive brightness adjustment (adds a constant value to RGB channels).
* @function
* @memberof Konva.Filters
* @param {Object} imageData
* @example
* node.cache();
* node.filters([Konva.Filters.Brighten]);
* node.brightness(0.8);
*/
export declare const Brighten: Filter;
/**
* get/set filter brightness. With {@link Konva.Filters.Brighten} it is a number between -1 and 1
* added to every channel: positive values brighten the pixels and negative values darken them.
* With {@link Konva.Filters.Brightness} it is a CSS-like multiplier: 1 is no change, 1.5 is 50% brighter.
* Both filters leave pixels unchanged when the attribute is unset. An explicit 0 makes Brightness black.
* @name Konva.Node#brightness
* @method
* @param {Number} brightness
* @returns {Number}
*/