Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use _getPixel method in wpt

Best JavaScript code snippet using wpt

Texture.js

Source:Texture.js

1class Texture extends ImageType {2	constructor(width, height) {3		super(width, height);4		this.image = new_OffscreenCanvas(width, height);5		this.c = this.image.getContext("2d");6		//init image data7		const array = new Uint8ClampedArray(4 * this.width * this.height);8		for (let i = 0; i < array.length; i++) array[i] = 0;9		this.imageData = new ImageData(array, this.width, this.height);10		this.data = new ByteBuffer(this.imageData.data.buffer);11		this._getPixel = new Color(0, 0, 0, 0);12		this.shaderBackBuffer = new Uint8ClampedArray(4 * this.width * this.height);13		this.loops = false;14	}15	get brightness() {16		const { width, height } = this;17		const result = Array.dim(width, height);18		for (let i = 0; i < width; i++) for (let j = 0; j < height; j++)19			result[i][j] = this.getPixel(i, j, true).brightness;20		return result;21	}22	get red() {23		const { width, height, imageData: { data } } = this;24		const result = Array.dim(width, height);25		let inx = 0;26		for (let j = 0; j < height; j++) for (let i = 0; i < width; i++) {27			result[i][j] = data[inx];28			inx += 4;29		}30		return result;31	}32	get green() {33		const { width, height, imageData: { data } } = this;34		const result = Array.dim(width, height);35		let inx = 0;36		for (let j = 0; j < height; j++) for (let i = 0; i < width; i++) {37			result[i][j] = data[inx + 1];38			inx += 4;39		}40		return result;41	}42	get blue() {43		const { width, height, imageData: { data } } = this;44		const result = Array.dim(width, height);45		let inx = 0;46		for (let j = 0; j < height; j++) for (let i = 0; i < width; i++) {47			result[i][j] = data[inx + 2];48			inx += 4;49		}50		return result;51	}52	get alpha() {53		const { width, height, imageData: { data } } = this;54		const result = Array.dim(width, height);55		let inx = 0;56		for (let j = 0; j < height; j++) for (let i = 0; i < width; i++) {57			result[i][j] = data[inx + 3] / 255;58			inx += 4;59		}60		return result;61	}62	*[Symbol.iterator]() {63		const { width, height } = this;64		for (let i = 0; i < width; i++) for (let j = 0; j < height; j++) yield this.getPixel(i, j, true);65	}66	clear() {67		const { width, height } = this;68		for (let i = 0; i < width; i++) for (let j = 0; j < height; j++) this.setPixel(i, j, Color.BLANK, true);69	}70	validPixel(x, y) {71		return x >= 0 && x < this.width && y >= 0 && y < this.height;72	}73	getPixel(x, y, valid = false) {74		const { _getPixel } = this;75		if (valid || this.validPixel(x, y)) {76			const { data } = this.imageData;77			const inx = (y * this.width + x) * 4;78			_getPixel.red = data[inx];79			_getPixel.green = data[inx + 1];80			_getPixel.blue = data[inx + 2];81			_getPixel.alpha = data[inx + 3] / 255;82			return _getPixel;83		} else if (!this.loops) {84			_getPixel.red = _getPixel.green = _getPixel.blue = _getPixel.alpha = 0;85			return _getPixel;86		} else {87			const { width, height } = this;88			return this.getPixel(89				(x % width + width) % width,90				(y % height + height) % height,91				true92			);93		}94	}95	shader(fn) {96		const dest = new Color(0, 0, 0, 0);97		const { width, height, shaderBackBuffer, imageData: { data } } = this;98		let inx = 0;99		for (let j = 0; j < height; j++) for (let i = 0; i < width; i++) {100			fn(i, j, dest);101			shaderBackBuffer[inx] = dest.red;102			shaderBackBuffer[inx + 1] = dest.green;103			shaderBackBuffer[inx + 2] = dest.blue;104			shaderBackBuffer[inx + 3] = dest.alpha * 255;105			inx += 4;106		}107		for (let i = 0; i < data.length; i++) data[i] = shaderBackBuffer[i];108		this.loaded = false;109		return this;110	}111	shaderSetPixel(x, y, clr) {112		const { data } = this.imageData;113		const inx = (y * this.width + x) * 4;114		data[inx] = clr.red;115		data[inx + 1] = clr.green;116		data[inx + 2] = clr.blue;117		data[inx + 3] = clr.alpha * 255;118	}119	setPixel(x, y, clr, valid = false) {120		if (valid || this.validPixel(x, y)) {121			this.loaded = false;122			this.shaderSetPixel(x, y, clr);123		}124	}125	blur(amount = 1) {126		return this.shader((x, y, dest) => {127			let r = 0;128			let g = 0;129			let b = 0;130			let a = 0;131			let count = 0;132			for (let i = -amount; i <= amount; i++) for (let j = -amount; j <= amount; j++) {133				let col = this.getPixel(x + i, y + j);134				r += col.red;135				g += col.green;136				b += col.blue;137				a += col.alpha;138				count++;139			}140			r /= count;141			g /= count;142			b /= count;143			a /= count;144			dest.set(r, g, b, a);145		});146	}147	stretch(w, h) {148		// TODO: reimplement149	}150	clip(x, y, width, height) {151		if (typeof x === "object") ({ x, y, width, height } = x);152		x = Math.round(x);153		y = Math.round(y);154		return new Texture(width, height)155			.shader((i, j, dest) => dest.set(this.getPixel(x + i, y + j)));156	}157	makeImage() {158		if (!this.loaded) {159			this.loaded = true;160			this.c.putImageData(this.imageData, 0, 0);161		}162		return this.image;163	}164	get(tex = new Texture(this.width, this.height)) {165		if (tex.width !== this.width || tex.height !== this.height) return null;166		tex.imageData = new ImageData(167			this.imageData.data.map(channel => channel),168			this.imageData.width,169			this.imageData.height170		);171		tex.loaded = false;172		return tex;173	}174	static fromImageType(image, x, y, width, height) {175		if (typeof x === "object") ({ x, y, width, height } = x);176		x ??= 0;177		y ??= 0;178		width ??= image.width;179		height ??= image.height180		const img = image.makeImage();181		const canvas = new_OffscreenCanvas(img.width, img.height);182		const context = canvas.getContext("2d");183		context.drawImage(img, 0, 0);184		const ratio = image.pixelRatio;185		x *= ratio;186		y *= ratio;187		const W = img.width;//Math.floor(w * __devicePixelRatio);188		const H = img.height;//Math.floor(h * __devicePixelRatio);189		const imageData = context.getImageData(x, y, W, H);190		const tex = new Texture(width, height);191		const data = imageData.data;192		for (let i = 0; i < width; i++) for (let j = 0; j < height; j++) {193			const inx = (Math.round(i * ratio) + Math.round(j * ratio) * W) * 4;194			const r = data[inx + 0];195			const g = data[inx + 1];196			const b = data[inx + 2];197			const a = data[inx + 3] / 255;198			tex.shaderSetPixel(i, j, new Color(r, g, b, a));199		}200		tex.loaded = false;201		return tex;202	}203	static grayScale(bright) {204		return new Texture(bright.length, bright[0].length)205			.shader((x, y, dest) => {206				const b = bright[x][y];207				dest.set(b * 255, b * 255, b * 255, 1);208			});209	}210	static colorScale(col, bright) {211		return new Texture(bright.length, bright[0].length)212			.shader((x, y, dest) => {213				const b = bright[x][y];214				dest.set(b * col.red, b * col.green, b * col.blue, col.alpha);215			});216	}217	static async fromDataURI(uri, w_o, h_o) {218		let img = new Image();219		img.src = uri;220		let tex;221		return await new Promise(resolve => {222			img.onload = function () {223				let canvas = document.createElement("canvas");224				document.body.appendChild(img);225				let style = getComputedStyle(img);226				let w = w_o ? w_o : parseInt(style.width);227				if (w_o && !h_o) h_o = Math.floor(parseInt(style.height) * w_o / parseInt(style.width));228				let h = h_o ? h_o : parseInt(style.height);229				tex = new Texture(w, h);230				canvas.width = w;231				canvas.height = h;232				let ctx = canvas.getContext("2d");233				ctx.imageSmoothingEnabled = false;234				ctx.drawImage(img, 0, 0, w, h);235				let data = ctx.getImageData(0, 0, w, h).data;236				for (let i = 0; i < w; i++) for (let j = 0; j < h; j++) {237					let inx = (j * w + i) * 4;238					let red = data[inx];239					let green = data[inx + 1];240					let blue = data[inx + 2];241					let alpha = data[inx + 3] / 255;242					let col = new Color(red, green, blue, alpha);243					tex.setPixel(i, j, col);244				}245				img.remove();246				resolve(tex);247			}248		});249	}250	toByteBuffer(buffer = new ByteBuffer()) {251		buffer.write.uint32(this.width);252		buffer.write.uint32(this.height);253		const { data } = texture.imageData;254		for (let i = 0; i < data.length; i++) buffer.write.uint8(data[i]);255		buffer.finalize();256		return buffer;257	}258	static fromByteBuffer(buffer) {259		const width = buffer.read.uint32();260		const height = buffer.read.uint32();261		const texture = new Texture(width, height);262		const { data } = texture.imageData;263		for (let i = 0; i < data.length; i++) data[i] = buffer.read.uint8();264		return texture;265	}...

NinePatchLoader.js

Source:NinePatchLoader.js

...26      contentRect: { x: 0, y: 0, w: size.w, h: size.h },27      stretchRect: { x: 0, y: 0, w: size.w, h: size.h },28      opticalBoundsRect: { x: 0, y: 0, w: size.w, h: size.h }29    };30    function _getPixel(x, y) {31      return (imgData.data[(y * srcSize.w + x) * 4 + 0] << 16) // r32          + (imgData.data[(y * srcSize.w + x) * 4 + 1] << 8) // g33          + (imgData.data[(y * srcSize.w + x) * 4 + 2] << 0) // b34          + (imgData.data[(y * srcSize.w + x) * 4 + 3] << 24); // a35    }36    let inRegion;37    // Read stretch rect38    inRegion = false;39    for (let x = 0; x < size.w; x++) {40      let p = _getPixel(x + 1, 0);41      if (!inRegion && p == BLACK) {42        rects.stretchRect.x = x;43        inRegion = true;44      } else if (inRegion && p != BLACK) {45        rects.stretchRect.w = x - rects.stretchRect.x;46        inRegion = false;47      }48    }49    inRegion = false;50    for (let y = 0; y < size.h; y++) {51      let p = _getPixel(0, y + 1);52      if (!inRegion && p == BLACK) {53        rects.stretchRect.y = y;54        inRegion = true;55      } else if (inRegion && p != BLACK) {56        rects.stretchRect.h = y - rects.stretchRect.y;57        inRegion = false;58      }59    }60    // Read content rect61    inRegion = false;62    for (let x = 0; x < size.w; x++) {63      let p = _getPixel(x + 1, srcSize.h - 1);64      if (!inRegion && p == BLACK) {65        rects.contentRect.x = x;66        inRegion = true;67      } else if (inRegion && p != BLACK) {68        rects.contentRect.w = x - rects.contentRect.x;69        inRegion = false;70      }71    }72    inRegion = false;73    for (let y = 0; y < size.h; y++) {74      let p = _getPixel(srcSize.w - 1, y + 1);75      if (!inRegion && p == BLACK) {76        rects.contentRect.y = y;77        inRegion = true;78      } else if (inRegion && p != BLACK) {79        rects.contentRect.h = y - rects.contentRect.y;80        inRegion = false;81      }82    }83    // Read optical bounds rect84    inRegion = false;85    for (let x = 0; x < size.w; x++) {86      let p = _getPixel(x + 1, srcSize.h - 1);87      if (!inRegion && p != RED) {88        rects.opticalBoundsRect.x = x;89        inRegion = true;90      } else if (inRegion && p == RED) {91        rects.opticalBoundsRect.w = x - rects.opticalBoundsRect.x;92        inRegion = false;93      }94    }95    for (let y = 0; y < size.h; y++) {96      let p = _getPixel(srcSize.w - 1, y + 1);97      if (!inRegion && p != RED) {98        rects.opticalBoundsRect.y = y;99        inRegion = true;100      } else if (inRegion && p == RED) {101        rects.opticalBoundsRect.h = y - rects.opticalBoundsRect.y;102        inRegion = false;103      }104    }105    // Inset the context106    let newCtx = imagelib.Drawing.context(size);107    newCtx.drawImage(ctx.canvas, 1, 1, size.w, size.h, 0, 0, size.w, size.h);108    stage.loadSourceImage(newCtx, rects);109  }110};

nine-patch-loader.js

Source:nine-patch-loader.js

...26      contentRect: { x: 0, y: 0, w: size.w, h: size.h },27      stretchRect: { x: 0, y: 0, w: size.w, h: size.h },28      opticalBoundsRect: { x: 0, y: 0, w: size.w, h: size.h }29    };30    function _getPixel(x, y) {31      return (imgData.data[(y * srcSize.w + x) * 4 + 0] << 16) // r32          + (imgData.data[(y * srcSize.w + x) * 4 + 1] << 8) // g33          + (imgData.data[(y * srcSize.w + x) * 4 + 2] << 0) // b34          + (imgData.data[(y * srcSize.w + x) * 4 + 3] << 24); // a35    }36    let inRegion;37    // Read stretch rect38    inRegion = false;39    for (let x = 0; x < size.w; x++) {40      let p = _getPixel(x + 1, 0);41      if (!inRegion && p == BLACK) {42        rects.stretchRect.x = x;43        inRegion = true;44      } else if (inRegion && p != BLACK) {45        rects.stretchRect.w = x - rects.stretchRect.x;46        inRegion = false;47      }48    }49    inRegion = false;50    for (let y = 0; y < size.h; y++) {51      let p = _getPixel(0, y + 1);52      if (!inRegion && p == BLACK) {53        rects.stretchRect.y = y;54        inRegion = true;55      } else if (inRegion && p != BLACK) {56        rects.stretchRect.h = y - rects.stretchRect.y;57        inRegion = false;58      }59    }60    // Read content rect61    inRegion = false;62    for (let x = 0; x < size.w; x++) {63      let p = _getPixel(x + 1, srcSize.h - 1);64      if (!inRegion && p == BLACK) {65        rects.contentRect.x = x;66        inRegion = true;67      } else if (inRegion && p != BLACK) {68        rects.contentRect.w = x - rects.contentRect.x;69        inRegion = false;70      }71    }72    inRegion = false;73    for (let y = 0; y < size.h; y++) {74      let p = _getPixel(srcSize.w - 1, y + 1);75      if (!inRegion && p == BLACK) {76        rects.contentRect.y = y;77        inRegion = true;78      } else if (inRegion && p != BLACK) {79        rects.contentRect.h = y - rects.contentRect.y;80        inRegion = false;81      }82    }83    // Read optical bounds rect84    inRegion = false;85    for (let x = 0; x < size.w; x++) {86      let p = _getPixel(x + 1, srcSize.h - 1);87      if (!inRegion && p != RED) {88        rects.opticalBoundsRect.x = x;89        inRegion = true;90      } else if (inRegion && p == RED) {91        rects.opticalBoundsRect.w = x - rects.opticalBoundsRect.x;92        inRegion = false;93      }94    }95    for (let y = 0; y < size.h; y++) {96      let p = _getPixel(srcSize.w - 1, y + 1);97      if (!inRegion && p != RED) {98        rects.opticalBoundsRect.y = y;99        inRegion = true;100      } else if (inRegion && p == RED) {101        rects.opticalBoundsRect.h = y - rects.opticalBoundsRect.y;102        inRegion = false;103      }104    }105    // Inset the context106    let newCtx = studio.Drawing.context(size);107    newCtx.drawImage(ctx.canvas, 1, 1, size.w, size.h, 0, 0, size.w, size.h);108    stage.loadSourceImage(newCtx, rects);109  }110};

Using AI Code Generation

1var wptools = require('wptools');2var page = wptools.page('Eiffel_Tower');3page.get(function(err, resp) {4  if (err) {5    console.log(err);6  } else {7    console.log(resp);8  }9});

Using AI Code Generation

1var wpt = require('./wpt');2var fs = require('fs');3var img = fs.readFileSync('./test.png');4var pixel = wpt._getPixel(img, 0, 0);5console.log(pixel);6var wpt = {7    _getPixel: function (img, x, y) {8        var width = img.width;9        var height = img.height;10        var data = img.data;11        var red = data[((width * y) + x) * 4];12        var green = data[((width * y) + x) * 4 + 1];13        var blue = data[((width * y) + x) * 4 + 2];14        var alpha = data[((width * y) + x) * 4 + 3];15        return {r: red, g: green, b: blue, a: alpha};16    }17};18{ r: 255, g: 255, b: 255, a: 255 }19var wpt = require('./wpt');20var fs = require('fs');21var img = fs.readFileSync('./test.png');22var pixels = wpt._getPixels(img);23console.log(pixels);24var wpt = {25    _getPixels: function (img) {26        var width = img.width;27        var height = img.height;28        var data = img.data;29        var pixels = [];30        for (var x = 0; x < width; x++) {31            for (var y = 0; y < height; y++) {32                var red = data[((width * y) + x) * 4];33                var green = data[((width * y) + x) *

Using AI Code Generation

1var wpt = require('./wptools.js');2var wp = new wpt();3wp._getPixel(10,10, function(pixel){4    console.log(pixel);5});6function _getPixel(x, y, callback){7    var pixel = {x:x, y:y};8    callback(pixel);9}10var wpt = require('./wptools.js');11var wp = new wpt();12wp.getPixel(10,10, function(pixel){13    console.log(pixel);14});15function getPixel(x, y, callback){16    this._getPixel(x, y, function(pixel){17        callback(pixel);18    });19}20function _getPixel(x, y, callback){21    var pixel = {x:x, y:y};22    callback(pixel);23}24var wpt = require('./wptools.js');25var wp = new wpt();26wp.getPixel(10,10, function(pixel){27    console.log(pixel);28});29function getPixel(x, y, callback){30    this._getPixel(x, y, function(pixel){31        callback(pixel);32    });33}34function _getPixel(x, y, callback){35    var pixel = {x:x, y:y};36    callback(pixel);37}38var wpt = require('./wptools.js');39var wp = new wpt();40wp.getPixel(10,10, function(pixel){41    console.log(pixel);42});43function getPixel(x, y, callback){44    this._getPixel(x, y, function(pixel){45        callback(pixel);46    });47}48function _getPixel(x, y, callback){49    var pixel = {x:x, y:y};50    callback(pixel);51}

Using AI Code Generation

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

Using AI Code Generation

1var pixelColor = _getPixel('#element', 10, 10);2console.log(pixelColor);3var pixelColor = _getPixel('#element', 10, 10);4console.log(pixelColor);5var boundingClientRect = _getBoundingClientRect('#element');6console.log(boundingClientRect);7var computedStyle = _getComputedStyle('#element');8console.log(computedStyle);9var computedStyleProperty = _getComputedStyleProperty('#element', 'property');10console.log(computedStyleProperty);11var computedStylePseudoElement = _getComputedStylePseudoElement(12);13console.log(computedStylePseudoElement);14var computedStylePseudoElementProperty = _getComputedStylePseudoElementProperty(15);16console.log(computedStylePseudoElementProperty);17var computedStylePseudoElementProperty = _getComputedStylePseudoElementProperty(

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.