How to use premultipliedSource method in wpt

Best JavaScript code snippet using wpt

plus-lighter.js

Source:plus-lighter.js Github

copy

Full Screen

1import { clamp01, multiplyAlpha, unmultiplyAlpha } from "./utils.js";2export function plusLighter(pixels) {3 if (pixels.length === 1) return pixels[0];4 return pixels.reduce((destination, source) => {5 const premultipliedSource = multiplyAlpha(source);6 const premultipliedDestination = multiplyAlpha(destination);7 const premultipliedResult = premultipliedDestination.map((channel, i) =>8 clamp01(channel + premultipliedSource[i])9 );10 return unmultiplyAlpha(premultipliedResult);11 });12}13export const tests = [14 // Each test is a list of colors to composite.15 // Each color is [r, g, b, a], unmultiplied, in the range 0-1.16 [17 [1, 0, 0, 0.5],18 [0, 0, 1, 0.5],19 ],20 [21 [1, 0, 0, 0.25],22 [0, 0, 1, 0.25],23 ],24 [25 [0.5, 0, 0, 0.5],26 [0, 0, 1, 0.5],27 ],28 // Test clamping29 [30 [1, 0, 0, 1],31 [0, 0, 1, 1],32 ],33 // Test more than two elements34 [35 [1, 0, 0, 0.25],36 [0, 0, 1, 0.25],37 [0, 1, 0, 0.25],38 [0.5, 0.4, 0.25, 0.25],39 ],40 // Test a single element41 [42 [0.5, 0, 0, 0.25],43 ],...

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1var wptools = require('wptools');2 if (err) {3 console.log(err);4 } else {5 console.log(data);6 }7});8var wptools = require('wptools');9 if (err) {10 console.log(err);11 } else {12 console.log(data);13 }14});15var wptools = require('wptools');16 if (err) {17 console.log(err);18 } else {19 console.log(data);20 }21});22var wptools = require('wptools');23 if (err) {24 console.log(err);25 } else {26 console.log(data);27 }28});29var wptools = require('wptools');30 if (err) {31 console.log(err);32 } else {33 console.log(data);34 }35});36var wptools = require('wptools');37 if (err) {38 console.log(err);39 } else {40 console.log(data);41 }42});43var wptools = require('wptools');

Full Screen

Using AI Code Generation

copy

Full Screen

1function testPremultipliedSource(ctx, premultipliedSource) {2 ctx.globalCompositeOperation = "source-over";3 ctx.fillStyle = "rgba(0, 0, 255, 0.5)";4 ctx.fillRect(0, 0, 10, 10);5 ctx.globalCompositeOperation = "source-in";6 ctx.fillStyle = "rgba(255, 0, 0, 0.5)";7 ctx.fillRect(0, 0, 10, 10);8 ctx.globalCompositeOperation = "source-over";9 ctx.fillStyle = "rgba(0, 255, 0, 0.5)";10 ctx.fillRect(0, 0, 10, 10);11 ctx.globalCompositeOperation = "source-in";12 ctx.fillStyle = "rgba(0, 0, 0, 0.5)";13 ctx.fillRect(0, 0, 10, 10);14 ctx.globalCompositeOperation = "source-over";15 ctx.fillStyle = "rgba(255, 255, 0, 0.5)";16 ctx.fillRect(0, 0, 10, 10);17 ctx.globalCompositeOperation = "source-in";18 ctx.fillStyle = "rgba(0, 0, 0, 0.5)";19 ctx.fillRect(0, 0, 10, 10);20 ctx.globalCompositeOperation = "source-over";21 ctx.fillStyle = "rgba(0, 255, 255, 0.5)";22 ctx.fillRect(0, 0, 10, 10);23 ctx.globalCompositeOperation = "source-in";24 ctx.fillStyle = "rgba(0, 0, 0, 0.5)";25 ctx.fillRect(0, 0, 10, 10);26 ctx.globalCompositeOperation = "source-over";27 ctx.fillStyle = "rgba(255, 0, 255, 0.5)";28 ctx.fillRect(0, 0, 10, 10);29 ctx.globalCompositeOperation = "source-in";30 ctx.fillStyle = "rgba(0, 0, 0, 0.5)";31 ctx.fillRect(0, 0, 10, 10);32 ctx.globalCompositeOperation = "source-over";33 ctx.fillStyle = "rgba(255, 255, 255, 0.5)";34 ctx.fillRect(

Full Screen

Using AI Code Generation

copy

Full Screen

1var wptools = require('wptools');2var fs = require('fs');3var image = fs.readFileSync('./test.png');4wptools.premultipliedSource(image, function(err, result){5 console.log(err, result);6});

Full Screen

Using AI Code Generation

copy

Full Screen

1var wpt = require('wpt.js');2var wpt = new WebPageTest('www.webpagetest.org');3 if (err) return console.error(err);4 console.log(data);5});6var wpt = require('wpt.js');7var wpt = new WebPageTest('www.webpagetest.org');8 if (err) return console.error(err);9 console.log(data);10});11var wpt = require('wpt.js');12var wpt = new WebPageTest('www.webpagetest.org');13 if (err) return console.error(err);14 console.log(data);15});16var wpt = require('wpt.js');17var wpt = new WebPageTest('www.webpagetest.org');18 if (err) return console.error(err);19 console.log(data);20});21var wpt = require('wpt.js');22var wpt = new WebPageTest('www.webpagetest.org');23 if (err) return console.error(err);24 console.log(data);25});

Full Screen

Using AI Code Generation

copy

Full Screen

1var premultipliedSource = require('premultipliedSource');2var premultipliedSource = new premultipliedSource();3premultipliedSource.premultipliedSource(function (err, res) {4 if (err) {5 console.log(err);6 } else {7 console.log(res);8 }9});

Full Screen

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run wpt automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful