Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.ScreenshotDataAsync
ScreenshotTests.cs
Source:ScreenshotTests.cs  
...50                    Width = 500,51                    Height = 50052                });53                await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");54                var screenshot = await page.ScreenshotDataAsync();55                Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", screenshot));56            }57        }58        [Fact]59        public async Task ShouldClipRect()60        {61            using (var page = await Browser.NewPageAsync())62            {63                await page.SetViewportAsync(new ViewPortOptions64                {65                    Width = 500,66                    Height = 50067                });68                await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");69                var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions70                {71                    Clip = new Clip72                    {73                        X = 50,74                        Y = 100,75                        Width = 150,76                        Height = 10077                    }78                });79                Assert.True(ScreenshotHelper.PixelMatch("screenshot-clip-rect.png", screenshot));80            }81        }82        [Fact]83        public async Task ShouldWorkForOffscreenClip()84        {85            using (var page = await Browser.NewPageAsync())86            {87                await page.SetViewportAsync(new ViewPortOptions88                {89                    Width = 500,90                    Height = 50091                });92                await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");93                var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions94                {95                    Clip = new Clip96                    {97                        X = 50,98                        Y = 600,99                        Width = 100,100                        Height = 100101                    }102                });103                Assert.True(ScreenshotHelper.PixelMatch("screenshot-offscreen-clip.png", screenshot));104            }105        }106        [Fact]107        public async Task ShouldRunInParallel()108        {109            using (var page = await Browser.NewPageAsync())110            {111                await page.SetViewportAsync(new ViewPortOptions112                {113                    Width = 500,114                    Height = 500115                });116                await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");117                var tasks = new List<Task<byte[]>>();118                for (var i = 0; i < 3; ++i)119                {120                    tasks.Add(page.ScreenshotDataAsync(new ScreenshotOptions121                    {122                        Clip = new Clip123                        {124                            X = 50 * i,125                            Y = 0,126                            Width = 50,127                            Height = 50128                        }129                    }));130                }131                await Task.WhenAll(tasks);132                Assert.True(ScreenshotHelper.PixelMatch("grid-cell-1.png", tasks[0].Result));133            }134        }135        [Fact]136        public async Task ShouldTakeFullPageScreenshots()137        {138            using (var page = await Browser.NewPageAsync())139            {140                await page.SetViewportAsync(new ViewPortOptions141                {142                    Width = 500,143                    Height = 500144                });145                await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");146                var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions147                {148                    FullPage = true149                });150                Assert.True(ScreenshotHelper.PixelMatch("screenshot-grid-fullpage.png", screenshot));151            }152        }153        [Fact]154        public async Task ShouldRunInParallelInMultiplePages()155        {156            var n = 2;157            var pageTasks = new List<Task<Page>>();158            for (var i = 0; i < n; i++)159            {160                Func<Task<Page>> func = async () =>161                {162                    var page = await Browser.NewPageAsync();163                    await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");164                    return page;165                };166                pageTasks.Add(func());167            }168            await Task.WhenAll(pageTasks);169            var screenshotTasks = new List<Task<byte[]>>();170            for (var i = 0; i < n; i++)171            {172                screenshotTasks.Add(pageTasks[i].Result.ScreenshotDataAsync(new ScreenshotOptions173                {174                    Clip = new Clip175                    {176                        X = 50 * i,177                        Y = 0,178                        Width = 50,179                        Height = 50180                    }181                }));182            }183            await Task.WhenAll(screenshotTasks);184            for (var i = 0; i < n; i++)185            {186                Assert.True(ScreenshotHelper.PixelMatch($"grid-cell-{i}.png", screenshotTasks[i].Result));187            }188            var closeTasks = new List<Task>();189            for (var i = 0; i < n; i++)190            {191                closeTasks.Add(pageTasks[i].Result.CloseAsync());192            }193            await Task.WhenAll(closeTasks);194        }195        [Fact]196        public async Task ShouldAllowTransparency()197        {198            using (var page = await Browser.NewPageAsync())199            {200                await page.SetViewportAsync(new ViewPortOptions201                {202                    Width = 100,203                    Height = 100204                });205                await page.GoToAsync(TestConstants.EmptyPage);206                var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions207                {208                    OmitBackground = true209                });210                Assert.True(ScreenshotHelper.PixelMatch("transparent.png", screenshot));211            }212        }213        [Fact]214        public async Task ShouldWorkWithOddClipSizeOnRetinaDisplays()215        {216            using (var page = await Browser.NewPageAsync())217            {218                var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions219                {220                    Clip = new Clip221                    {222                        X = 0,223                        Y = 0,224                        Width = 11,225                        Height = 11226                    }227                });228                Assert.True(ScreenshotHelper.PixelMatch("screenshot-clip-odd-size.png", screenshot));229            }230        }231    }232}...Program.cs
Source:Program.cs  
...41            //await page.GoToAsync("http://192.168.0.107:98/static/index.html#/preview?recordid=059d67fea03a4c3687bc49ac04669968&t=6deb2042ec114ac291fadb2514182352&generate=true", navigationOption);42            await page.GoToAsync("https://zhuangxiu.xxxxxx.com/#/preview?recordid=1095a3231f704b419b8b0676fa8d147e&t=e1859920de894de394c577f802f67167&generate=true", navigationOption);43            44            var o = new ScreenshotOptions { Type = ScreenshotType.Png, FullPage = true };45            var bytes = await page.ScreenshotDataAsync(o);46            var modules = await page.QuerySelectorAllAsync(".screenshot-box");47            var dic=new Dictionary<int, Clip>();48            for (var i = 0; i < modules.Length; i++)49            {50                var module = modules[i];51                var box = await module.BoundingBoxAsync();52                var clip = new Clip { Width = box.Width, Height = box.Height, X = box.X, Y = box.Y };53                dic.Add(i, clip);54            }55            Parallel.For(0, dic.Count, n =>56            {57                //计ç®åºå
ç´ ä¸ãä¸ãå·¦ãå³ ä½ç½®58                var left = (int)dic[n].X;59                var top = (int)dic[n].Y;60                var right = (int)dic[n].Width;61                var bottom = (int)dic[n].Height;62                //å®ä¹æªåç©å½¢63                var cropArea = new Rectangle(left, top, right, bottom); //è¦æªåçåºå大å°64                //å è½½å¾ç65                MemoryStream ms = new MemoryStream(bytes);66                var screenImage = (Bitmap)Image.FromStream(ms);67                //è¿è¡è£åª68                var bmpCrop = screenImage.Clone(cropArea, screenImage.PixelFormat);69                //ä¿åææ°æä»¶70                bmpCrop.Save($"{n}.png");71                //éæ¾å¯¹è±¡72                screenImage.Dispose();73            });74          75            //await page.ScreenshotAsync($"{j}.png", options);76            //for (var n = 0; n < dic.Count; n++)77            //{78            //    //计ç®åºå
ç´ ä¸ãä¸ãå·¦ãå³ ä½ç½®79            //    var left = (int)dic[n].X;80            //    var top = (int)dic[n].Y;81            //    var right = (int)dic[n].Width;82            //    var bottom = (int)dic[n].Height;83            //    //var codeImagePath = imageDir + fileName + "_crop" + fileSuffix;84            //    //å®ä¹æªåç©å½¢85            //    var cropArea = new Rectangle(left, top, right, bottom); //è¦æªåçåºå大å°86            //    //å è½½å¾ç87            //    MemoryStream ms=new MemoryStream(bytes);88            //    var screenImage = (Bitmap)Image.FromStream(ms);89            //    //è¿è¡è£åª90            //    var bmpCrop = screenImage.Clone(cropArea, screenImage.PixelFormat);91            //    //ä¿åææ°æä»¶92            //    bmpCrop.Save($"{n}.png");93            //    //éæ¾å¯¹è±¡94            //    screenImage.Dispose();95            //}96            //for (var j = 0; j < dic.Count; j++)97            //{98            //    var options = new ScreenshotOptions { Type = ScreenshotType.Png, Clip = dic[j] };99            //    //await page.ScreenshotDataAsync(options);100            //    await page.ScreenshotAsync($"{j}.png", options);101            //}102            sw.Stop();103            await page.CloseAsync();104            await browser.CloseAsync();105            Console.WriteLine($"success!{sw.Elapsed.TotalSeconds}");106            Console.ReadKey();107        }108    }109}...PageEmulateVisionDeficiencyTests.cs
Source:PageEmulateVisionDeficiencyTests.cs  
...17        {18            await Page.SetViewportAsync(new ViewPortOptions { Width = 500, Height = 500 });19            await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");20            await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.None);21            var screenshot = await Page.ScreenshotDataAsync();22            Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", screenshot));23            await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Achromatopsia);24            screenshot = await Page.ScreenshotDataAsync();25            Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-achromatopsia.png", screenshot));26            await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.BlurredVision);27            screenshot = await Page.ScreenshotDataAsync();28            Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-blurredVision.png", screenshot));29            await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Deuteranopia);30            screenshot = await Page.ScreenshotDataAsync();31            Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-deuteranopia.png", screenshot));32            await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Protanopia);33            screenshot = await Page.ScreenshotDataAsync();34            Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-protanopia.png", screenshot));35            await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Tritanopia);36            screenshot = await Page.ScreenshotDataAsync();37            Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-tritanopia.png", screenshot));38            await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.None);39            screenshot = await Page.ScreenshotDataAsync();40            Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", screenshot));41        }42    }43}ScreenshotLoader.cs
Source:ScreenshotLoader.cs  
...40                                        Width = Options.Value.ScreenshotWidth, 41                                        Height = Options.Value.ScreenshotHeight 42                                    });43        await page.GoToAsync(source);44        byte[] buffer = await page.ScreenshotDataAsync(new ScreenshotOptions() { Type = ScreenshotType.Png });45        return new OriginalData(MimeTypes.Png, new MemoryStream(buffer), new CacheSettings().ApplyLoaderOptions(Options.Value));46    }47}...WebBrowser.cs
Source:WebBrowser.cs  
...46            {47                using (var page = await browser.NewPageAsync())48                {49                    await page.GoToAsync(url);50                    var result = await page.ScreenshotDataAsync();51                    return result;52                }53            }54        }55    }56}...HtmlToImage.cs
Source:HtmlToImage.cs  
...47            {48                var buff = Convert.FromBase64String(dto.HtmlBase64);49                var text = UTF8Encoding.UTF8.GetString(buff);50                await page.SetContentAsync(text);51                var image = await page.ScreenshotDataAsync();52                return new FileContentResult(image, "image/png");53            }54        }55    }56}Url2PngSingle.Puppeteer.cs
Source:Url2PngSingle.Puppeteer.cs  
...18                    Chrome.logger.Debug($"{instance.Name}: Screenshot GoToUrl {url}");19                    instance.Page().GoToAsync(url).Wait();20                    System.Threading.Thread.Sleep(50);21                    Chrome.logger.Debug($"{instance.Name}: Screenshot GetScreenshot {url}");22                    var screenshot = instance.Page().ScreenshotDataAsync().Result;23                    Chrome.logger.Debug($"{instance.Name}: Screenshot Cropping {url}");24                    using (Devmasters.Imaging.InMemoryImage img = new Devmasters.Imaging.InMemoryImage(screenshot))25                    {26                        img.Crop(new System.Drawing.Rectangle(0, 0, cropWidth, cropHeight));27                        using (System.IO.MemoryStream ms = new System.IO.MemoryStream())28                        {29                            img.SaveAsPNG(ms);30                            return ms.ToArray();31                        }32                    }33                }34                catch (Exception e)35                {36                    Chrome.logger.Error($"{instance.Name}: Screenshot Error {url}", e);...GithubController.cs
Source:GithubController.cs  
...23            {24                await page.GoToAsync(contributorsPage);25                await page.WaitForSelectorAsync("#contributors");26                var element = await page.QuerySelectorAsync("#contributors");27                var image = await element.ScreenshotDataAsync();28                return File(image, "image/png");29            }30        }31    }32}
...ScreenshotDataAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11                Args = new string[] { "--no-sandbox" }12            });13            var page = await browser.NewPageAsync();14            var screenshot = await page.ScreenshotDataAsync();15            System.IO.File.WriteAllBytes("google.png", screenshot);16            await browser.CloseAsync();17        }18    }19}20using System;21using System.Threading.Tasks;22using PuppeteerSharp;23{24    {25        static async Task Main(string[] args)26        {27            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);28            var browser = await Puppeteer.LaunchAsync(new LaunchOptions29            {30                Args = new string[] { "--no-sandbox" }31            });32            var page = await browser.NewPageAsync();33            var screenshotStream = await page.ScreenshotStreamAsync();34            using (var fileStream = System.IO.File.Create("google.png"))35            {36                await screenshotStream.CopyToAsync(fileStream);37            }38            await browser.CloseAsync();39        }40    }41}42using System;43using System.Threading.Tasks;44using PuppeteerSharp;45{46    {47        static async Task Main(string[] args)48        {49            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);50            var browser = await Puppeteer.LaunchAsync(new LaunchOptions51            {52                Args = new string[] { "--no-sandbox" }53            });54            var page = await browser.NewPageAsync();55            await page.ScreenshotAsync("google.png");56            await browser.CloseAsync();57        }58    }59}ScreenshotDataAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9            };10            using (var browser = await Puppeteer.LaunchAsync(options))11            {12                using (var page = await browser.NewPageAsync())13                {14                    var screenshot = await page.ScreenshotDataAsync();15                    System.IO.File.WriteAllBytes("screenshot.png", screenshot);16                }17            }18        }19    }20}21using System;22using System.Threading.Tasks;23using PuppeteerSharp;24{25    {26        static async Task Main(string[] args)27        {28            {29            };30            using (var browser = await Puppeteer.LaunchAsync(options))31            {32                using (var page = await browser.NewPageAsync())33                {34                    var screenshot = await page.ScreenshotDataAsync();35                    System.IO.File.WriteAllBytes("screenshot.png", screenshot);36                }37            }38        }39    }40}41using System;42using System.Threading.Tasks;43using PuppeteerSharp;44{45    {46        static async Task Main(string[] args)47        {48            {49            };50            using (var browser = await Puppeteer.LaunchAsync(options))51            {52                using (var page = await browser.NewPageAsync())53                {54                    var screenshot = await page.ScreenshotDataAsync();55                    System.IO.File.WriteAllBytes("screenshot.png", screenshot);56                }57            }58        }59    }60}61using System;62using System.Threading.Tasks;63using PuppeteerSharp;64{65    {66        static async Task Main(string[] args)ScreenshotDataAsync
Using AI Code Generation
1var page = await browser.NewPageAsync();2await page.ScreenshotDataAsync();3var page = await browser.NewPageAsync();4await page.ScreenshotDataAsync();5var page = await browser.NewPageAsync();6await page.ScreenshotDataAsync();7var page = await browser.NewPageAsync();8await page.ScreenshotDataAsync();9var page = await browser.NewPageAsync();10await page.ScreenshotDataAsync();11var page = await browser.NewPageAsync();12await page.ScreenshotDataAsync();13var page = await browser.NewPageAsync();14await page.ScreenshotDataAsync();15var page = await browser.NewPageAsync();16await page.ScreenshotDataAsync();ScreenshotDataAsync
Using AI Code Generation
1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6    {7        static async Task Main(string[] args)8        {9            {10                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",11                Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }12            };13            using (var browser = await Puppeteer.LaunchAsync(options))14            {15                using (var page = await browser.NewPageAsync())16                {17                    var screenshot = await page.ScreenshotDataAsync();18                    await File.WriteAllBytesAsync("google.png", screenshot);19                }20            }21        }22    }23}ScreenshotDataAsync
Using AI Code Generation
1{2    {3        public ScreenshotData(byte[] data, string type)4        {5            Data = data;6            Type = type;7        }8        public byte[] Data { get; }9        public string Type { get; }10    }11    {12        public async Task<ScreenshotData> ScreenshotDataAsync(ScreenshotOptions options = null)13        {14            var data = await ScreenshotDataAsync(options).ConfigureAwait(false);15            return new ScreenshotData(data, "png");16        }17    }18}19{20    {21        public ScreenshotData(byte[] data, string type)22        {23            Data = data;24            Type = type;25        }26        public byte[] Data { get; }27        public string Type { get; }28    }29    {30        public async Task<ScreenshotData> ScreenshotDataAsync(ScreenshotOptions options = null)31        {32            var data = await ScreenshotDataAsync(options).ConfigureAwait(false);33            return new ScreenshotData(data, "png");34        }35    }36}37{38    {39        public ScreenshotData(byte[] data, string type)40        {41            Data = data;42            Type = type;43        }44        public byte[] Data { get; }45        public string Type { get; }46    }47    {48        public async Task<ScreenshotData> ScreenshotDataAsync(ScreenshotOptions options = null)49        {50            var data = await ScreenshotDataAsync(options).ConfigureAwait(false);51            return new ScreenshotData(data, "png");52        }53    }54}55var screenshotData = await page.ScreenshotDataAsync();56var screenshotData = await page.ScreenshotDataAsync();57await File.WriteAllBytesAsync("screenshot.png", screenshotData.Data);ScreenshotDataAsync
Using AI Code Generation
1var page = await browser.NewPageAsync();2var screenshot = await page.ScreenshotDataAsync();3File.WriteAllBytes("./screenshot.png", screenshot);4var page = await browser.NewPageAsync();5using (var stream = await page.ScreenshotStreamAsync())6using (var fileStream = File.Create("./screenshot.png"))7{8    await stream.CopyToAsync(fileStream);9}10var page = await browser.NewPageAsync();11await page.ScreenshotAsync("./screenshot.png");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.
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