image-filter-core

image-filter-core

Core module used by image-filter's modules that exports helper functions.

Install

npm install image-filter-core --save

Methods

getCanvas

It returns a canvas with the given width and height

var imageFilterCore = require('image-filter-core');
var canvas = imageFilterCore.getCanvas(100, 100);

convertImageDataToCanvasURL

Given a ImageData it returns the dataURL

var imageFilterCore = require('image-filter-core');
var canvasURL = imageFilterCore.convertImageDataToCanvasURL(imageData);

apply

Given a worker file with the transformation the work is split between the configured number of workers and the transformation is applied returning a Promise

var webworkify = require('webworkify');
var imageFilterCore = require('image-filter-core');
var worker = require('./transformation-worker');

var imageData = imageFilterCore.apply(
    worker,
    nWorkers,
    canvas,
    context,
    params
);