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How to use ScreenshotDataAsync method of PuppeteerSharp.Page class
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°æ件70 bmpCrop.Save($"{n}.png");71 //éæ¾å¯¹è±¡72 screenImage.Dispose();73 });74 75 //await page.ScreenshotAsync($"{j}.png", options);76 //for (var n = 0; n < dic.Count; n++)77 //{78 // //计ç®åºå
ç´ ä¸ãä¸ãå·¦ãå³ ä½ç½®79 // var left = (int)dic[n].X;80 // var top = (int)dic[n].Y;81 // var right = (int)dic[n].Width;82 // var bottom = (int)dic[n].Height;83 // //var codeImagePath = imageDir + fileName + "_crop" + fileSuffix;84 // //å®ä¹æªåç©å½¢85 // var cropArea = new Rectangle(left, top, right, bottom); //è¦æªåçåºå大å°86 // //å è½½å¾ç87 // MemoryStream ms=new MemoryStream(bytes);88 // var screenImage = (Bitmap)Image.FromStream(ms);89 // //è¿è¡è£åª90 // var bmpCrop = screenImage.Clone(cropArea, screenImage.PixelFormat);91 // //ä¿åææ°æ件92 // bmpCrop.Save($"{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");
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