How to use premultipliedDestination 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 canvas = document.createElement('canvas');2canvas.width = 100;3canvas.height = 100;4var ctx = canvas.getContext('2d');5ctx.fillStyle = 'rgba(0, 0, 255, 0.5)';6ctx.fillRect(0, 0, 100, 100);7ctx.globalCompositeOperation = 'destination-over';8ctx.fillStyle = 'rgba(255, 0, 0, 0.5)';9ctx.fillRect(0, 0, 100, 100);10ctx.globalCompositeOperation = 'destination-in';11ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';12ctx.fillRect(0, 0, 100, 100);13ctx.globalCompositeOperation = 'destination-out';14ctx.fillStyle = 'rgba(255, 255, 0, 0.5)';15ctx.fillRect(0, 0, 100, 100);16ctx.globalCompositeOperation = 'destination-atop';17ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';18ctx.fillRect(0, 0, 100, 100);19ctx.globalCompositeOperation = 'source-over';20ctx.fillStyle = 'rgba(255, 0, 255, 0.5)';21ctx.fillRect(0, 0, 100, 100);22ctx.globalCompositeOperation = 'source-in';23ctx.fillStyle = 'rgba(255, 255, 255, 0.5)';24ctx.fillRect(0, 0, 100, 100);25ctx.globalCompositeOperation = 'source-out';26ctx.fillStyle = 'rgba(0, 0, 0, 0.5)';27ctx.fillRect(0, 0, 100, 100);28ctx.globalCompositeOperation = 'source-atop';29ctx.fillStyle = 'rgba(128, 128, 128, 0.5)';30ctx.fillRect(0, 0, 100, 100);31ctx.globalCompositeOperation = 'lighter';32ctx.fillStyle = 'rgba(192, 192, 192, 0.5)';33ctx.fillRect(0, 0, 100, 100);34ctx.globalCompositeOperation = 'copy';35ctx.fillStyle = 'rgba(128, 0, 0, 0.5)';36ctx.fillRect(0, 0, 100, 100);37ctx.globalCompositeOperation = 'xor';38ctx.fillStyle = 'rgba(0

Using AI Code Generation

1function testPremultipliedDestination(ctx, width, height) {2  var imageData = ctx.getImageData(0, 0, width, height);3  var data = imageData.data;4  var i = 0;5  while (i < data.length) {6    data[i] = 255;7    data[i + 1] = 255;8    data[i + 2] = 255;9    data[i + 3] = 255;10    i += 4;11  }12  ctx.putImageData(imageData, 0, 0);13  ctx.globalCompositeOperation = 'multiply';14  ctx.fillStyle = 'rgba(255, 0, 0, 0.5)';15  ctx.fillRect(0, 0, width, height);16  return ctx.getImageData(0, 0, width, height);17}18function testPremultipliedDestination2(ctx, width, height) {19  var imageData = ctx.getImageData(0, 0, width, height);20  var data = imageData.data;21  var i = 0;22  while (i < data.length) {23    data[i] = 255;24    data[i + 1] = 255;25    data[i + 2] = 255;26    data[i + 3] = 255;27    i += 4;28  }29  ctx.putImageData(imageData, 0, 0);30  ctx.globalCompositeOperation = 'multiply';31  ctx.fillStyle = 'rgba(255, 0, 0, 0.5)';32  ctx.fillRect(0, 0, width, height);33  ctx.globalCompositeOperation = 'multiply';34  ctx.fillStyle = 'rgba(255, 0, 0, 0.5)';35  ctx.fillRect(0, 0, width, height);36  return ctx.getImageData(0, 0, width, height);37}38function testPremultipliedDestination3(ctx, width, height) {39  var imageData = ctx.getImageData(0, 0, width, height);40  var data = imageData.data;41  var i = 0;42  while (i < data.length) {43    data[i] = 255;44    data[i + 1] = 255;45    data[i + 2] = 255;

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var path = require('path');4var request = require('request');5var async = require('async');6var options = {7};8wptools(url)9  .image(options)10  .then(function (response) {11    console.log(response);12  })13  .catch(function (err) {14    console.log(err);15  })16  .finally(function () {17    console.log('Done');18  });19### wptools(url)20### wptools#image(options)

Using AI Code Generation

1var wptools = require('./lib/wptools');2wptools.premultipliedDestination(url, function(err, data){3	if(err){4		console.log("Error: " + err);5	}6	else{7		console.log(data);8	}9});10var wptools = require('./lib/wptools');11wptools.premultipliedDestination(url, function(err, data){12	if(err){13		console.log("Error: " + err);14	}15	else{16		console.log(data);17	}18});19var wptools = require('./lib/wptools');20wptools.render(url, function(err, data){21	if(err){22		console.log("Error: " + err);23	}24	else{25		console.log(data);26	}27});28var wptools = require('./lib/wptools');29wptools.render(url, function(err, data){30	if(err){31		console.log("Error: " + err);32	}33	else{34		console.log(data);35	}36});37var wptools = require('./lib/wptools');38wptools.render(url, function(err, data){39	if(err){40		console.log("Error: " + err);41	}42	else{43		console.log(data);44	}45});46var wptools = require('./lib/wptools');47wptools.render(url, function(err, data){48	if(err){49		console.log("Error: " + err);50	}51	else{52		console.log(data);53	}54});55var wptools = require('./lib/wptools');56wptools.render(url, function(err, data){57	if(err){

Using AI Code Generation

1var wptools = require('wptools');2wp.premultipliedDestination(function(err, data){3  if (err){4    console.log(err);5  } else {6    console.log(data);7  }8});9### .redirects()10var wptools = require('wptools');11wp.redirects(function(err, data){12  if (err){13    console.log(err);14  } else {15    console.log(data);16  }17});18### .revisions()19var wptools = require('wptools');20wp.revisions(function(err, data){21  if (err){22    console.log(err);23  } else {24    console.log(data);25  }26});27### .sections()28var wptools = require('wptools');29wp.sections(function(err, data){30  if (err){31    console.log(err);32  } else {33    console.log(data);34  }35});36### .templates()37var wptools = require('wptools');38wp.templates(function(err, data){39  if (err){40    console.log(err);41  } else {42    console.log(data);43  }44});45### .whatLinksHere()46var wptools = require('wptools');47wp.whatLinksHere(function(err, data){48  if (err){49    console.log(err);50  } else {51    console.log(data);52  }53});54### .whatTranscludesHere()

Using AI Code Generation

1var wptools = require('wptools');2var handleResponse = function(response) {3    if (response.error) {4        console.log(response.error);5    } else {6        console.log(response);7    }8};9var handleError = function(error) {10    console.log(error);11};12var handleResponse = function(response) {13    if (response.error) {14        console.log(response.error);15    } else {16        console.log(response);17    }18};19var handleError = function(error) {20    console.log(error);21};22var handleResponse = function(response) {23    if (response.error) {24        console.log(response.error);25    } else {26        console.log(response);27    }28};29var handleError = function(error) {30    console.log(error);31};32var handleResponse = function(response) {33    if (response.error) {34        console.log(response.error);35    } else {36        console.log(response);37    }38};39var handleError = function(error) {40    console.log(error);41};42var handleResponse = function(response) {43    if (response.error) {44        console.log(response.error);45    } else {46        console.log(response);47    }48};49var handleError = function(error) {50    console.log(error);51};52var handleResponse = function(response) {

Using AI Code Generation

1var canvas = document.createElement('canvas');2canvas.width = 200;3canvas.height = 200;4var ctx = canvas.getContext('2d');5ctx.fillStyle = '#00FF00';6ctx.fillRect(0,0,200,200);7ctx.fillStyle = '#FFFF00';8ctx.fillRect(0,0,200,200);9ctx.globalCompositeOperation = 'premultipliedDestination';10ctx.fillStyle = '#FFFF00';11ctx.fillRect(0,0,200,200);12var image = document.createElement('img');13image.src = canvas.toDataURL();14document.body.appendChild(image);

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