How to use premultipliedSource method in wpt

Best JavaScript code snippet using wpt

plus-lighter.js

Source:plus-lighter.js

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  ],...

Using AI Code Generation

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');

Using AI Code Generation

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(

Using AI Code Generation

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});

Using AI Code Generation

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});

Using AI Code Generation

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});

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