How to use readPngFile method in Testcafe

Best JavaScript code snippet using testcafe

assertion-helper.js

Source:assertion-helper.js Github

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...42 });43 return results;44}45function checkScreenshotFileCropped (filePath) {46 return readPngFile(filePath)47 .then(function (png) {48 const width = png.width;49 const height = png.height;50 // NOTE: sometimes an appearing dialog can cover an edge of the browser. Try to check all edges51 return hasPixel(png, RED_PIXEL, 0, 0) && hasPixel(png, RED_PIXEL, 49, 49) && hasPixel(png, GREEN_PIXEL, 50, 50) ||52 hasPixel(png, RED_PIXEL, width - 1, height - 1) && hasPixel(png, RED_PIXEL, width - 50, height - 50) && hasPixel(png, GREEN_PIXEL, width - 51, height - 51) ||53 hasPixel(png, RED_PIXEL, width - 1, 0) && hasPixel(png, RED_PIXEL, width - 50, 49) && hasPixel(png, GREEN_PIXEL, width - 51, 50) ||54 hasPixel(png, RED_PIXEL, 0, height - 1) && hasPixel(png, RED_PIXEL, 49, height - 50) && hasPixel(png, GREEN_PIXEL, 50, height - 51);55 });56}57function checkScreenshotFileFullPage (filePath) {58 return readPngFile(filePath)59 .then(function (png) {60 const width = png.width;61 const height = png.height;62 const expectedHeight = 5000;63 return height === expectedHeight &&64 hasPixel(png, RED_PIXEL, 0, 0) &&65 hasPixel(png, RED_PIXEL, width - 1, height - 1) &&66 hasPixel(png, GREEN_PIXEL, 0, height - 1) &&67 hasPixel(png, GREEN_PIXEL, width - 1, 0);68 });69}70function checkScreenshotFileIsNotWhite (filePath) {71 return readPngFile(filePath)72 .then(function (png) {73 return png.data.indexOf(Buffer.from(RED_PIXEL)) > -1 && png.data.indexOf(Buffer.from(GREEN_PIXEL)) > -1;74 });75}76function isDirExists (folderPath) {77 let exists = false;78 try {79 exists = fs.statSync(folderPath).isDirectory();80 }81 catch (e) {82 exists = false;83 }84 return exists;85}86function checkTestDir (testDirPath, forError, expectedSubDirCount, expectedScreenshotCount) {87 const subDirs = fs88 .readdirSync(testDirPath)89 .filter(function (file) {90 return isDirExists(path.join(testDirPath, file));91 });92 if (subDirs.length !== expectedSubDirCount)93 return false;94 let dirPath = null;95 return subDirs.every(function (dir) {96 dirPath = forError ? path.join(testDirPath, dir, ERRORS_DIR_NAME) : path.join(testDirPath, dir);97 return getScreenshotFilesCount(dirPath) === expectedScreenshotCount;98 });99}100function checkScreenshotImages (forError, customPath, predicate, expectedScreenshotsCount = config.browsers.length) {101 if (!isDirExists(SCREENSHOTS_PATH))102 return false;103 const taskDirs = fs.readdirSync(SCREENSHOTS_PATH);104 if (!taskDirs || !taskDirs[0] || taskDirs.length !== 1)105 return false;106 const taskDirPath = path.join(SCREENSHOTS_PATH, taskDirs[0]);107 let list = [];108 if (forError) {109 const testDirs = fs.readdirSync(taskDirPath);110 if (!testDirs || !testDirs[0] || testDirs.length !== 1)111 return false;112 const testDirPath = path.join(taskDirPath, testDirs[0]);113 const browserDirs = fs.readdirSync(testDirPath);114 browserDirs.forEach(function (browserDir) {115 const errorDirPath = path.join(testDirPath, browserDir, 'errors');116 const screenshotFiles = fs.readdirSync(errorDirPath);117 const screenshotPaths = screenshotFiles.map(function (screenshotFile) {118 return path.join(errorDirPath, screenshotFile);119 });120 list = list.concat(screenshotPaths);121 });122 }123 else {124 if (taskDirPath.indexOf(customPath) < 0)125 return false;126 list = fs.readdirSync(taskDirPath).map(function (screenshotFile) {127 return path.join(taskDirPath, screenshotFile);128 });129 }130 if (list.length < config.browsers.length)131 return false;132 list = list.filter(function (filePath) {133 return filePath.match(CUSTOM_SCREENSHOT_FILE_NAME_RE);134 });135 return Promise136 .all(list.map(function (filePath) {137 return predicate(filePath);138 }))139 .then(function (checkResults) {140 let actualScreenshotsCount = 0;141 for (let i = 0; i < checkResults.length; i++)142 actualScreenshotsCount += checkResults[i] ? 1 : 0;143 return actualScreenshotsCount === expectedScreenshotsCount;144 });145}146exports.errorInEachBrowserContains = function errorInEachBrowserContains (testErrors, message, errorIndex) {147 if (testErrors instanceof Error)148 throw testErrors;149 // NOTE: if errors are the same in different browsers150 if (Array.isArray(testErrors))151 expect(testErrors[errorIndex]).contains(message);152 //NOTE: if they are different153 else {154 Object.keys(testErrors).forEach(function (key) {155 expect(testErrors[key][errorIndex]).contains(message);156 });157 }158};159exports.errorInEachBrowserContainsRegExp = function errorInEachBrowserContains (testErrors, messageRE, errorIndex) {160 if (testErrors instanceof Error)161 throw testErrors;162 // NOTE: if errors are the same in different browsers163 if (Array.isArray(testErrors))164 expect(messageRE.test(testErrors[errorIndex])).equals(true);165 //NOTE: if they are different166 else {167 Object.keys(testErrors).forEach(function (key) {168 expect(messageRE.test(testErrors[key][errorIndex])).equals(true);169 });170 }171};172exports.errorInEachBrowserNotContains = function errorInEachBrowserNotContains (testErrors, message, errorIndex) {173 if (testErrors instanceof Error)174 throw testErrors;175 // NOTE: if errors are the same in different browsers176 if (Array.isArray(testErrors))177 expect(testErrors[errorIndex]).not.contains(message);178 //NOTE: if the are different179 else {180 Object.keys(testErrors).forEach(function (key) {181 expect(testErrors[key][errorIndex]).not.contains(message);182 });183 }184};185exports.isScreenshotDirExists = function () {186 return isDirExists(SCREENSHOTS_PATH);187};188exports.checkScreenshotsCreated = function ({ forError, customPath, screenshotsCount, runDirCount, browsersCount, baseDir }) {189 const expectedSubDirCount = browsersCount || config.browsers.length;190 const expectedScreenshotCount = screenshotsCount || 2;191 baseDir = baseDir || SCREENSHOTS_PATH;192 if (!isDirExists(baseDir))193 return false;194 const taskDirs = fs.readdirSync(baseDir);195 if (!taskDirs || !taskDirs[0] || taskDirs.length !== 1)196 return false;197 const taskDirPath = path.join(baseDir, taskDirs[0]);198 if (customPath) {199 const customDirExists = taskDirPath.includes(customPath);200 const hasScreenshots = getScreenshotFilesCount(taskDirPath, customPath) ===201 expectedScreenshotCount * expectedSubDirCount;202 return customDirExists && hasScreenshots;203 }204 if (!TASK_DIR_RE.test(taskDirs[0]))205 return false;206 const testDirs = fs.readdirSync(taskDirPath);207 if (!testDirs || !testDirs.length || testDirs.length !== 1)208 return false;209 let basePath = null;210 let dirs = null;211 let dirNameRE = null;212 let dirPath = null;213 if (runDirCount) {214 basePath = path.join(taskDirPath, testDirs[0]);215 dirs = fs.readdirSync(basePath);216 dirNameRE = RUN_DIR_NAME_RE;217 if (!dirs || !dirs.length || dirs.length !== runDirCount)218 return false;219 }220 else {221 basePath = taskDirPath;222 dirs = testDirs;223 dirNameRE = TEST_DIR_NAME_RE;224 }225 return dirs.every(function (dir) {226 if (!dirNameRE.test(dir))227 return false;228 dirPath = path.join(basePath, dir);229 return checkTestDir(dirPath, forError, expectedSubDirCount, expectedScreenshotCount);230 });231};232exports.checkScreenshotsCropped = function (forError, customPath) {233 return checkScreenshotImages(forError, customPath, checkScreenshotFileCropped);234};235exports.checkScreenshotIsNotWhite = function (forError, customPath) {236 return checkScreenshotImages(forError, customPath, checkScreenshotFileIsNotWhite);237};238exports.checkScreenshotFileFullPage = function (forError, customPath) {239 return checkScreenshotImages(forError, customPath, checkScreenshotFileFullPage);240};241exports.isScreenshotsEqual = function (customPath, referenceImagePathGetter) {242 return checkScreenshotImages(false, customPath, function (screenshotFilePath) {243 const screenshotContent = fs.readFileSync(screenshotFilePath);244 const referenceImagePath = isFunction(referenceImagePathGetter)245 ? referenceImagePathGetter(screenshotFilePath)246 : referenceImagePathGetter;247 const referenceImageContent = fs.readFileSync(referenceImagePath);248 return screenshotContent.equals(referenceImageContent);249 });250};251exports.checkScreenshotsDimensions = function (dimensions, screenshotCount) {252 return checkScreenshotImages(false, '', function (screenshotFilePath) {253 return readPngFile(screenshotFilePath)254 .then(png => {255 return dimensions.width === png.width && dimensions.height === png.height;256 });257 }, screenshotCount);258};259function removeDir (dirPath) {260 if (isDirExists(dirPath))261 return del(dirPath);262 return Promise.resolve();263}264exports.removeScreenshotDir = (dir = SCREENSHOTS_PATH) => removeDir(dir);265exports.removeVideosDir = () => removeDir(VIDEOS_PATH);266exports.getVideoFilesList = () => {267 return globby(VIDEO_FILES_GLOB, { nodir: true });...

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PNG160.js

Source:PNG160.js Github

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1let pako = require("pako");2class CRC {3 static createTable32() {4 CRC.TABLE32 = new Uint32Array(256);5 for (let i = 256; i--; ) {6 let tmp = i;7 for (let k = 8; k--; ) {8 tmp = tmp & 1 ? 3988292384 ^ (tmp >>> 1) : tmp >>> 1;9 }10 CRC.TABLE32[i] = tmp;11 }12 }13 static crc32(data) {14 if (!CRC.TABLE32) {15 CRC.createTable32();16 }17 let crc = -1; // Begin with all bits set ( 0xffffffff )18 for (let i = 0, l = data.length; i < l; i++) {19 crc = (crc >>> 8) ^ CRC.TABLE32[(crc & 255) ^ data[i]];20 }21 return (crc ^ -1) >>> 0; // Apply binary NOT22 }23}24class PNG160 {25 //VERY LIKELY TO HAVE PROBLEMS WITH THIRD PARTY IMAGES!26 //TODO: change IDAT size after edit27 static readPNGFile(data, metaDataSet, read) {28 if (isPng(data)) {29 let index = PNG160.PNG_HEADER.length;30 //PNG properties from IHDR:31 let width, height, bitdepth, colortype, filterType;32 let alldata = new Uint8Array();33 let earlyStop = false;34 //Read file35 while (index < data.length && !earlyStop) {36 let dataLength = bytesToInt32(data, index, index + 4);37 let chunktype = bytesToInt32(data, index + 4, index + 8);38 let nextIndex = index + 12 + dataLength;39 if (bitdepth && bitdepth != 16 && colortype != 0) {40 console.log("INCORRECT FORMAT");41 break;42 }43 switch (chunktype) {44 case bytesToInt32(PNG160.IHDR):45 width = bytesToInt32(data, index + 8, index + 12);46 height = bytesToInt32(data, index + 12, index + 16);47 bitdepth = data[index + 16];48 colortype = data[index + 17];49 filterType = data[index + 19];50 metaDataSet({ width: width, height: height, bitdepth: bitdepth, colortype: colortype, filterType: filterType });51 //If read not set, no reason to continue52 if (read == null) {53 earlyStop = true;54 }55 break;56 case bytesToInt32(PNG160.IDAT):57 let nextChunktype = bytesToInt32(data, nextIndex + 4, nextIndex + 8);58 let chunkdata = data.subarray(index + 8, index + 8 + dataLength);59 let temp = new Uint8Array(alldata.length + chunkdata.length);60 temp.set(alldata);61 temp.set(chunkdata, alldata.length);62 alldata = temp;63 if (nextChunktype != bytesToInt32(PNG160.IDAT)) {64 let imagedata = pako.inflate(alldata);65 let filter = new Filters(imagedata, width);66 //Undo existing filters:67 let linefilter = 0,68 imageIndex = 0;69 for (let i = 0; i < (height + 1) * width; i++) {70 if (i % (1 + width)) {71 switch (linefilter) {72 case 0: //Nothing filter73 break;74 case 1: // Sub75 imagedata[imageIndex] += filter.raw(imageIndex); //First byte76 imagedata[imageIndex + 1] += filter.raw(imageIndex + 1); //Second byte77 break;78 case 2: // Up79 imagedata[imageIndex] += filter.prior(imageIndex);80 imagedata[imageIndex + 1] += filter.prior(imageIndex + 1);81 break;82 case 3: //Average83 imagedata[imageIndex] += filter.average(imageIndex);84 imagedata[imageIndex + 1] += filter.average(imageIndex + 1);85 break;86 case 4: //Paeth87 imagedata[imageIndex] += filter.paeth(imageIndex);88 imagedata[imageIndex + 1] += filter.paeth(imageIndex + 1);89 break;90 }91 read(width, i - 1 - ((i / (width + 1)) >> 0), bytesToInt16(imagedata, imageIndex));92 imageIndex += 2;93 filter.xindex++;94 } else {95 linefilter = imagedata[imageIndex];96 imagedata[imageIndex] = 0x00;97 imageIndex++;98 filter.xindex = 0;99 }100 }101 }102 break;103 case bytesToInt32(PNG160.IEND):104 break;105 default:106 let charcode = new TextDecoder("utf-8").decode(getInt32Bytes(chunktype).buffer);107 let hexcode = tohex(getInt32Bytes(chunktype));108 console.log("Unprocced chunk -> charcode: " + charcode + " hexcode: " + hexcode);109 break;110 }111 index += 12 + dataLength; //Move on to next block112 }113 }114 }115 static getRawImage(pngfile, dataconverter) {116 dataconverter = dataconverter117 ? dataconverter118 : value => {119 return value;120 };121 let image = {};122 PNG160.readPNGFile(123 pngfile,124 metadata => {125 image.data = new Uint16Array(metadata.width * metadata.height);126 image.height = metadata.height;127 image.width = metadata.width;128 },129 (width, i, value) => {130 image.data[i] = dataconverter(value);131 }132 );133 return image;134 }135 static getImageHeader(pngfile) {136 let header;137 PNG160.readPNGFile(pngfile, metadata => {138 header = metadata;139 });140 return header;141 }142 static createPNG(height, width, dataputter) {143 //Add png header144 let tempdata = [0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a];145 tempdata.pushAll = (array, values) => {146 values.forEach(v => {147 array.push(v);148 });149 };150 //--------------------------------------------151 //-----------------IHDR-----------------------152 //--------------------------------------------153 tempdata.pushAll(tempdata, getInt32Bytes(13)); //Length154 tempdata.pushAll(tempdata, PNG160.IHDR); //Chunk type155 tempdata.pushAll(tempdata, getInt32Bytes(width));156 tempdata.pushAll(tempdata, getInt32Bytes(height));157 tempdata.push(0x10); // bit depth158 tempdata.push(0x0); // color type159 tempdata.push(0x0); // compression method160 tempdata.push(0x0); // filter method161 tempdata.push(0x0); // interlace method162 tempdata.pushAll(tempdata, getInt32Bytes(CRC.crc32(tempdata.slice(12, 29)))); //CRC163 //--------------------------------------------164 //-----------------IDAT-----------------------165 //--------------------------------------------166 //Create data167 let imagedata = new Uint8Array(height * width * 2 + height);168 let imageindex = 0;169 for (let i = 0; i < (height + 1) * width; i++) {170 if (i % (1 + width)) {171 let value = getInt16Bytes(dataputter(width, height, i - 1 - ((i / (width + 1)) >> 0)));172 imagedata[imageindex++] = value[0];173 imagedata[imageindex++] = value[1];174 } else {175 imagedata[imageindex++] = 0;176 }177 }178 let compressed = pako.deflate(imagedata, { level: 9, windowBits: 8, strategy: 1 });179 //Create chunk180 tempdata.pushAll(tempdata, getInt32Bytes(compressed.length)); //Length181 tempdata.pushAll(tempdata, PNG160.IDAT); //Chunk type182 tempdata.pushAll(tempdata, compressed); //Data183 tempdata.pushAll(tempdata, getInt32Bytes(CRC.crc32(tempdata.slice(37, 41 + compressed.length)))); //CRC184 //--------------------------------------------185 //-----------------IEND-----------------------186 //--------------------------------------------187 tempdata.pushAll(tempdata, getInt32Bytes(0)); //Length188 tempdata.pushAll(tempdata, PNG160.IEND); //Chunk type189 tempdata.pushAll(tempdata, [0xae, 0x42, 0x60, 0x82]); //CRC190 return new Uint8Array(tempdata);191 }192 static get IHDR() {193 return new Uint8Array([0x49, 0x48, 0x44, 0x52]);194 }195 static get IDAT() {196 return new Uint8Array([0x49, 0x44, 0x41, 0x54]);197 }198 static get IEND() {199 return new Uint8Array([0x49, 0x45, 0x4e, 0x44]);200 }201 static get PNG_HEADER() {202 return new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);203 }204}205//Filter functions206class Filters {207 constructor(array, width) {208 this.array = array;209 this.width = width;210 this.xindex = 0;211 }212 paethPredictor(a, b, c) {213 let p = a + b - c;214 let pa = Math.abs(p - a);215 let pb = Math.abs(p - b);216 let pc = Math.abs(p - c);217 if (pa <= pb && pa <= pc) return a;218 else if (pb <= pc) return b;219 else return c;220 }221 paeth(x) {222 let upperleft = 0;223 if (this.xindex != 0) {224 upperleft = this.prior(x - 2);225 }226 return this.paethPredictor(this.raw(x), this.prior(x), upperleft);227 }228 raw(x) {229 if (this.xindex != 0) {230 return this.array[x - 2];231 } else {232 return 0;233 }234 }235 prior(x) {236 return this.array[x - (this.width * 2 + 1)];237 }238 average(x) {239 return Math.floor((this.raw(x) + this.prior(x)) / 2);240 }241}242function isPng(data) {243 let ispng = true;244 data.subarray(0, 8).forEach((byte, i) => {245 ispng = byte == PNG160.PNG_HEADER[i] ? ispng : false;246 });247 return ispng;248}249//Helper methods250function getInt32Bytes(x) {251 var bytes = [];252 for (let i = 3; i >= 0; i--) {253 bytes[i] = x & 255;254 x = x >> 8;255 }256 return new Uint8Array(bytes);257}258function bytesToInt32(data, start, end) {259 var dataView = new DataView(data.buffer.slice(start, end));260 return dataView.getUint32(0);261}262function tohex(input) {263 let temp = "";264 input.forEach(element => {265 let hex = element.toString(16);266 if (hex.length == 1) {267 hex = "0" + hex;268 }269 temp += hex + " ";270 });271 temp.trim();272 return temp;273}274function bytesToInt16(data, start) {275 return data[start] * 256 + data[start + 1];276}277function getInt16Bytes(x) {278 var bytes = [];279 for (let i = 1; i >= 0; i--) {280 bytes[i] = x & 255;281 x = x >> 8;282 }283 return new Uint8Array(bytes);284}...

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crop-test.js

Source:crop-test.js Github

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...154 err = e;155 }156 finally {157 expect(err.message).contains('Unable to locate the page area in the browser window screenshot');158 const file = await readPngFile(screenshotPath);159 expect(file).is.not.null;160 await deleteFile(screenshotPath);161 }162 });...

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index.mjs

Source:index.mjs Github

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1import nvk from "nvk";2import tolw from "tolw";3import glMatrix from "gl-matrix";4import { performance } from "perf_hooks";5import { LOG } from "./utils.mjs";6import { dirname, readPNGFile, readObjectFile } from "./utils.mjs";7import RayTracer from "./RayTracer/index.mjs";8import VulkanApplication from "./VulkanApplication.mjs";9Object.assign(global, nvk);10Object.assign(global, glMatrix);11// input flags12global.VERBOSE = !!(13 process.env.npm_config_verbose_log ||14 process.argv.filter(v => v.match("--verbose-log"))[0]15);16// prefer to use diescrete gpu over integrated gpu17global.PREFER_DISCRETE_GPU = !!(18 process.env.npm_config_prefer_discrete_gpu ||19 process.argv.filter(v => v.match("--prefer-discrete-gpu"))[0]20);21// material models22const MATERIAL_MODEL = {23 EMISSIVE: 0,24 METALLIC: 1,25 DIELECTRIC: 2,26 LAMBERTIAN: 327};28// source:29// https://en.wikipedia.org/wiki/Refractive_index30const INDEX_OF_REFRACTION = {31 VACUUM: 1.0,32 AIR: 1.000293,33 HELIUM: 1.000036,34 HYDROGEN: 1.000132,35 CARBON_DIOXIDE: 1.00045,36 // Liquids at 20 °C37 WATER: 1.333,38 ETHANOL: 1.36,39 OLIVE_OIL: 1.47,40 // Solids41 ICE: 1.31,42 QUARTZ: 1.46,43 PMMA: 1.49,44 WINDOW_GLASS: 1.52,45 POLYCARBONATE: 1.58,46 FLINT_GLASS: 1.62,47 SAPPHIRE: 1.77,48 CUBIC_ZIRCONIA: 2.15,49 DIAMOND: 2.42,50 MOISSANITE: 2.6551};52let desiredSurfaceFormat = VK_FORMAT_B8G8R8A8_UNORM;53let requiredExtensions = [54 VK_KHR_SWAPCHAIN_EXTENSION_NAME,55 VK_NV_RAY_TRACING_EXTENSION_NAME,56 VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME,57 VK_EXT_DESCRIPTOR_INDEXING_EXTENSION_NAME,58 VK_KHR_MAINTENANCE3_EXTENSION_NAME59];60let validationLayers = [61 "VK_LAYER_LUNARG_core_validation",62 "VK_LAYER_LUNARG_standard_validation",63 "VK_LAYER_LUNARG_parameter_validation"64];65class RayTracingDemo extends VulkanApplication {66 constructor() {67 super({ validationLayers, requiredExtensions, desiredSurfaceFormat });68 this.deviceName = "";69 this.rayTracer = null;70 }71};72RayTracingDemo.prototype.initialise = function() {73 LOG("Initializing TinyObjLoader (WebAssembly)");74 return tolw.init();75};76RayTracingDemo.prototype.create = async function() {77 LOG("Initializing TinyObjLoader (WebAssembly)");78 await tolw.init();79 LOG("Creating window");80 this.window = this.createWindow();81 LOG("Creating Instance");82 this.instance = this.createInstance();83 LOG("Creating Physical Device");84 this.physicalDevice = this.createPhysicalDevice();85 {86 let deviceProperties = this.physicalDevice.getDeviceProperties();87 let {type, properties} = deviceProperties;88 this.deviceName = `${properties.deviceName} (${type})`;89 LOG(`Using Device: ${this.deviceName}`);90 }91 LOG("Creating Logical Device");92 this.logicalDevice = this.createLogicalDevice();93 LOG("Creating Surface");94 this.surface = this.createSurface();95 LOG("Creating Swapchain");96 this.swapchain = this.createSwapchain();97 LOG("Instantiating RayTracer");98 this.rayTracer = this.createRayTracer();99};100RayTracingDemo.prototype.execute = function() {101 let drag = false;102 let {window, rayTracer} = this;103 LOG("Executing RayTracer");104 rayTracer.create();105 let {camera} = rayTracer;106 // add window event listeners107 {108 let isShiftPressed = false;109 window.onkeydown = e => {110 if (e.keyCode === 340) isShiftPressed = true;111 };112 window.onkeyup = e => {113 if (e.keyCode === 340) isShiftPressed = false;114 };115 window.onmousedown = e => (drag = true);116 window.onmouseup = e => (drag = false);117 window.onmousemove = e => {118 if (!drag) return;119 camera.rotation.vx += -e.movementX * 0.325;120 camera.rotation.vy += -e.movementY * 0.325;121 camera.resetSampleCount();122 };123 window.onmousewheel = e => {124 let {deltaY} = e;125 if (isShiftPressed) deltaY = deltaY * 0.25;126 camera.distance.vz += deltaY;127 camera.resetSampleCount();128 };129 }130 // draw loop131 let app = this;132 let then = 0;133 let frames = 0;134 (function drawLoop() {135 if (!window.shouldClose()) setTimeout(drawLoop, 0);136 let now = performance.now();137 let delta = (now - then);138 if (delta > 1.0 || frames === 0) {139 let fps = Math.floor((frames / delta) * 1e3);140 window.title = `Vulkan RTX - ${app.deviceName} - FPS: ${fps} - Samples: ${camera.totalSampleCount} (${camera.sampleCount} SPP)`;141 frames = 0;142 }143 frames++;144 app.drawFrame();145 camera.update();146 then = now;147 window.pollEvents();148 })();149};150RayTracingDemo.prototype.loadGeometryFile = function(path) {151 let ext = path.substr(path.lastIndexOf("."));152 if (ext !== ".obj") console.warn(`This Demo only supports Wavefront OBJ (.obj) as object files`);153 return this.addGeometryMesh(readObjectFile(path));154};155RayTracingDemo.prototype.loadTextureFile = function(path) {156 let ext = path.substr(path.lastIndexOf("."));157 if (ext !== ".png") console.warn(`This Demo only supports PNG (.png) as image files`);158 return this.rayTracer.addTexture(readPNGFile(path));159};160RayTracingDemo.prototype.addGeometryMesh = function(geometry) {161 return this.rayTracer.addGeometry(geometry);162};163RayTracingDemo.prototype.addMaterial = function(material) {164 return this.rayTracer.addMaterial(material);165};166RayTracingDemo.prototype.useSkyboxTexture = function(texture) {167 this.skyboxTexture = texture;168};169RayTracingDemo.prototype.drawFrame = function() {170 this.drawDefaultFrame();171};172RayTracingDemo.prototype.createRayTracer = function() {173 let {swapchain, surface, window, logicalDevice, physicalDevice} = this;174 let application = this;175 let rayTracer = new RayTracer({176 application,177 swapchain,178 surface,179 window,180 logicalDevice,181 physicalDevice182 });183 return rayTracer;184};185RayTracingDemo.MATERIAL_MODEL = MATERIAL_MODEL;186RayTracingDemo.INDEX_OF_REFRACTION = INDEX_OF_REFRACTION;...

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capturer.js

Source:capturer.js Github

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...93 await this._takeScreenshot(screenshotPath, ...clientAreaDimensions ? [clientAreaDimensions.width, clientAreaDimensions.height] : []);94 if (!await Capturer._isScreenshotCaptured(screenshotPath))95 return;96 try {97 const image = await readPngFile(screenshotPath);98 const croppedImage = await cropScreenshot(image, {99 markSeed,100 clientAreaDimensions,101 path: screenshotPath,102 cropDimensions: Capturer._getCropDimensions(cropDimensions, pageDimensions)103 });104 if (croppedImage)105 await writePng(screenshotPath, croppedImage);106 }107 catch (err) {108 await deleteFile(screenshotPath);109 throw err;110 }111 await generateThumbnail(screenshotPath, thumbnailPath);...

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take-screenshot.js

Source:take-screenshot.js Github

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...82 const screenshotName = 'custom/' + parsedUA.family + '.png';83 const scrollbarSize = await getScrollbarSize();84 await t.hover('#target');85 await t.takeScreenshot(screenshotName);86 const png = await readPngFile(join(config.testScreenshotsDir, screenshotName));87 const expectedWidth = width - scrollbarSize;88 const expectedHeight = height - scrollbarSize;89 // NOTE: IE clips screenshots not accurately90 const accuracy = is(ua).ie ? 1 : 0;91 await t.expect(scrollbarSize).gt(0);92 await t.expect(Math.abs(png.width - expectedWidth)).lte(accuracy);93 await t.expect(Math.abs(png.height - expectedHeight)).lte(accuracy);...

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uber_noun.js

Source:uber_noun.js Github

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...9 for (const folder of folders) {10 const folderpath = path.join(__dirname, "./images", folder);11 const files = await fs.readdir(folderpath);12 for (const file of files) {13 const image = await readPngFile(path.join(folderpath, file));14 encoder.encodeImage(file.replace(/\.png$/, ""), image, folder);15 }16 }17 await encoder.writeToFile(DESTINATION);18};...

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rleEncodeSingleImage.js

Source:rleEncodeSingleImage.js Github

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...8const DESTINATION = path.join(__dirname, '../output/singleWearable.json');9const encode = async () => {10 const encoder = new PNGCollectionEncoder()11 const filepath = path.join(__dirname, '../wearablesImages/customGlasses/fast-food-glasses.png')12 const image = await readPngFile(filepath)13 encoder.encodeImage(filepath.replace(/\.png$/, ''), image)14 await encoder.writeToFile(DESTINATION)15 16}...

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Using AI Code Generation

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1import { readPngFile } from 'testcafe-browser-tools';2test('My Test', async t => {3 .click('#populate')4 .click('#submit-button');5 const pngData = await readPngFile('C:\\Users\\test\\Desktop\\test.png');6 .takeScreenshot(pngData)7 .click('#restart-button');8});

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Using AI Code Generation

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1import { readPngFile } from 'testcafe-browser-tools';2test('My Test', async t => {3 const img = await readPngFile('path/to/image.png');4});5import { readPngFile } from 'testcafe-browser-tools';6test('My Test', async t => {7 const img = await readPngFile('path/to/image.png');8});9import { readPngFile } from 'testcafe-browser-tools';10test('My Test', async t => {11 const img = await readPngFile('path/to/image.png');12});13import { readPngFile } from 'testcafe-browser-tools';14test('My Test', async t => {15 const img = await readPngFile('path/to/image.png');16});17import { readPngFile } from 'testcafe-browser-tools';18test('My Test', async t => {19 const img = await readPngFile('path/to/image.png');20});21import { readPngFile } from 'testcafe-browser-tools';22test('My Test', async t => {23 const img = await readPngFile('path/to/image.png');24});25import { readPngFile

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Using AI Code Generation

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1import { readPngFile } from './readPngFile';2import { readJpegFile } from './readJpegFile';3import { readGifFile } from './readGifFile';4import { readBmpFile } from './readBmpFile';5import { readTiffFile } from './readTiffFile';6import { readWebpFile } from './readWebpFile';7test('My first test', async t => {8 const pngFile = await readPngFile('test.png');9 const jpegFile = await readJpegFile('test.jpg');10 const gifFile = await readGifFile('test.gif');11 const bmpFile = await readBmpFile('test.bmp');12 const tiffFile = await readTiffFile('test.tiff');13 const webpFile = await readWebpFile('test.webp');14});15import { Selector } from 'testcafe';16import { PNG } from 'pngjs';17import { createCanvas } from 'canvas';18import pixelmatch from 'pixelmatch';19export async function readPngFile(fileName) {20 let pngFile = null;21 await Selector('input[type=file]').addCustomDOMProperties({22 }).with({ boundTestRun: testController })23 .addCustomMethods({24 async readPngFile() {25 const files = await this.files;26 const file = files[0];27 if (

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Using AI Code Generation

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1test('My test', async t => {2 .click('#populate')3 .click('#submit-button')4 .takeScreenshot('screenshot1.png')5 .click('#tried-test-cafe')6 .takeScreenshot('screenshot2.png')7 .click('#slider')8 .takeScreenshot('screenshot3.png');9});10import { readPngFile } from 'testcafe-browser-tools';11test('My test', async t => {12 .click('#populate')13 .click('#submit-button')14 .takeScreenshot('screenshot1.png')15 .click('#tried-test-cafe')16 .takeScreenshot('screenshot2.png')17 .click('#slider')18 .takeScreenshot('screenshot3.png');19 const screenshot1 = await readPngFile('screenshot1.png');20 const screenshot2 = await readPngFile('screenshot2.png');21 const screenshot3 = await readPngFile('screenshot3.png');22});23import { readPngFile } from 'testcafe-browser-tools';24test('My test', async t => {25 .click('#populate')26 .click('#submit-button')27 .takeScreenshot('screenshot1.png')28 .click('#tried-test-cafe')29 .takeScreenshot('screenshot2.png')30 .click('#slider')31 .takeScreenshot('screenshot3.png');32 const screenshot1 = await readPngFile('screenshot1.png');33 const screenshot2 = await readPngFile('screenshot2.png');34 const screenshot3 = await readPngFile('screenshot3.png');35});36import { readPngFile, comparePngFiles } from 'testcafe-browser-tools';37test('My test', async t => {38 .click('#populate')39 .click('#submit-button')

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