How to use ScreenshotStreamAsync method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.ScreenshotStreamAsync

MainWindow.axaml.cs

Source:MainWindow.axaml.cs

...72                }73                Bitmap thumbnail = null;74                if (thumb.Length > 0)75                {76                    // thumbnail = System.Drawing.Image.FromStream(await thumb[0].ScreenshotStreamAsync());77                    thumbnail = new Bitmap(await thumb[0].ScreenshotStreamAsync());78                    //thumbnail.Save(tmpDir + $"\\img-{i}.jpg");79                    i++;80                    /*81                    var style = await page.EvaluateFunctionAsync<Dictionary<string, string>>(82                        "e => Object.entries(e.style).filter(i => isNaN(i[0]) && i[1]).map(i => { return { [i[0]] : i[1]}}).reduce((acc, cur) => { return {...acc, ...cur}}, {})", thumb[0]);83                    84                    try85                    {86                        linkThumb = style["backgroundImage"].Substring(5, style["backgroundImage"].LastIndexOf('"') - 5);87                    }88                    catch89                    {90                    }91                    */...

ChromiumHelper.cs

Source:ChromiumHelper.cs

...76        public async Task<Stream> Screenshot()77        {78            if(page != null)79            {80                return await page.ScreenshotStreamAsync();81            }82            return null;83        }      84        85        public void SetTargetChangedHandler(EventHandler<TargetChangedArgs> eventHandler)86        {87            if(browser != null)88            {89                browser.TargetChanged += eventHandler;90            }91        }92        public void RemoveTargetChangedHandler(EventHandler<TargetChangedArgs> eventHandler)93        {94            if (browser != null)...

PuppeteerBannerGenerator.cs

Source:PuppeteerBannerGenerator.cs

...43            // Puppeteer starts with a too small viewport so we need to resize it44            await page.SetViewportAsync(new ViewPortOptions { Width = 1500, Height = 1500 });45            // Get the main element and create a PNG screenshot of it46            var mainElement = await page.QuerySelectorAsync("main");47            using var screenshotStream = await mainElement.ScreenshotStreamAsync(new ScreenshotOptions { Type = ScreenshotType.Png });48            using var ms = new MemoryStream();49            await screenshotStream.CopyToAsync(ms, cancellationToken);50            return ms.ToArray().AsMemory();51        }52        public async ValueTask DisposeAsync() {53            if(_browser != null) {54                await _browser.DisposeAsync();55            }56        }57    }58}...

Program.cs

Source:Program.cs

...21                    //è®¾ç½®æµè§å¨çé¡µé¢å¤§å°ð22                    //  await page.SetViewportAsync(new ViewPortOptions { Width = 1024, Height = 768 });23                    await page.GoToAsync("http://www.baidu.com");24                    // var html = await page.GetContentAsync();25                    var stream = await page.ScreenshotStreamAsync(new ScreenshotOptions { FullPage = true, Type = ScreenshotType.Png });26                    //å°é¡µé¢ä¿åä¸ºjpgå¾ç27                    await page.ScreenshotAsync($@"{System.IO.Directory.GetCurrentDirectory()}\page_{Guid.NewGuid().ToString()}.jpg", new ScreenshotOptions() { FullPage = true, Type = ScreenshotType.Jpeg });28                    //å°é¡µé¢ä¿åä¸ºpngå¾ç29                    await page.ScreenshotAsync($@"{System.IO.Directory.GetCurrentDirectory()}\page_{Guid.NewGuid().ToString()}.png", new ScreenshotOptions() { FullPage = true, Type = ScreenshotType.Png });30                    //å°é¡µé¢ä¿åä¸ºpdfæä»¶31                    await page.PdfAsync($@"{System.IO.Directory.GetCurrentDirectory()}\page_{Guid.NewGuid().ToString()}_page.pdf");32                    Console.WriteLine("ä¸ºä»ä¹ä¸è¡å¢ /åå¼å¼");33                }34            }35        }36    }37}...

CheckTargetJob.cs

Source:CheckTargetJob.cs

...35            //    var browser = await Puppeteer.LaunchAsync(options);36            //    var page = await browser.NewPageAsync();37            //    //await page.GoToAsync("https://old.reddit.com/r/buildapc/search/?q=ssd&sort=new&restrict_sr=on&t=all");38            //    await page.GoToAsync(url);39            //    var stream = await page.ScreenshotStreamAsync();40            //    var content = await page.GetContentAsync();41            //}42          43        }44    }45}...

PuppeteerBrowser.cs

Source:PuppeteerBrowser.cs

...38        }39        public async Task<IMagickImage> TakeScreenshot()40        {41            IMagickImage screenshot;42            using (var stream = await _page.ScreenshotStreamAsync())43            {44                screenshot = new MagickImage(stream);45            }46            return screenshot;47        }48    }49}...

VerifyPuppeteer.cs

Source:VerifyPuppeteer.cs

...8        VerifierSettings.RegisterFileConverter<Page>(PageToImage);9    }10    static async Task<ConversionResult> PageToImage(Page page, IReadOnlyDictionary<string, object> context)11    {12        var screenshot = page.ScreenshotStreamAsync();13        var html = page.GetContentAsync();14        return new(15            null,16            new List<Target>17            {18                new("html", await html, null),19                new("png", await screenshot, null)20            }21        );22    }23    static async Task<ConversionResult> ElementToImage(ElementHandle element, IReadOnlyDictionary<string, object> context)24    {25        var screenshot = await element.ScreenshotStreamAsync();26        var html = await element.EvaluateFunctionAsync<string>("element => element.innerHTML");27        return new(28            null,29            new List<Target>30            {31                new("html", html, null),32                new("png", screenshot, null)33            }34        );35    }36}...

InvoicesController.cs

Source:InvoicesController.cs

...22                    ExecutablePath = _puppeteerConfig.BrowserExecutablePath23                });24            await using var page = await browser.NewPageAsync();25            await page.GoToAsync("http://www.google.com");26            return new FileStreamResult(await page.ScreenshotStreamAsync(), "image/png")27            {28                FileDownloadName = "image.png"29            };30        }31    }32}...

ScreenshotStreamAsync

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            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            var stream = await page.ScreenshotStreamAsync();15            await File.WriteAllBytesAsync("screenshot.png", ReadFully(stream));16            await browser.CloseAsync();17        }18        private static byte[] ReadFully(Stream stream)19        {20            using (var memoryStream = new MemoryStream())21            {22                stream.CopyTo(memoryStream);23                return memoryStream.ToArray();24            }25        }26    }27}

ScreenshotStreamAsync

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            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });11            var page = await browser.NewPageAsync();12            await page.ScreenshotStreamAsync();13            await browser.CloseAsync();14        }15    }16}

ScreenshotStreamAsync

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            var options = new LaunchOptions { Headless = true };10            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);11            using (var browser = await Puppeteer.LaunchAsync(options))12            {13                using (var page = await browser.NewPageAsync())14                {15                }16            }17        }18    }19}20using System;21using System.IO;22using System.Threading.Tasks;23using PuppeteerSharp;24{25    {26        static async Task Main(string[] args)27        {28            var options = new LaunchOptions { Headless = true };29            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);30            using (var browser = await Puppeteer.LaunchAsync(options))31            {32                using (var page = await browser.NewPageAsync())33                {34                }35            }36        }37    }38}39using System;40using System.IO;41using System.Threading.Tasks;42using PuppeteerSharp;43{44    {45        static async Task Main(string[] args)

ScreenshotStreamAsync

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            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true }))10            using (var page = await browser.NewPageAsync())11            {12                var stream = await page.ScreenshotStreamAsync();13                using (var fileStream = System.IO.File.Create(@"C:\Users\username\Desktop\PuppeteerSharp_Sample\1.png"))14                {15                    await stream.CopyToAsync(fileStream);16                }17            }18        }19    }20}21Copyright (c) 2017 Microsoft

ScreenshotStreamAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using System.IO;5{6    static async Task Main(string[] args)7    {8        var browser = await Puppeteer.LaunchAsync(new LaunchOptions9        {10            Args = new string[] { "--no-sandbox" }11        });12        var page = await browser.NewPageAsync();13        await page.ScreenshotStreamAsync();14        await browser.CloseAsync();15    }16}17using System;18using System.Threading.Tasks;19using PuppeteerSharp;20using System.IO;21{22    static async Task Main(string[] args)23    {24        var browser = await Puppeteer.LaunchAsync(new LaunchOptions25        {26            Args = new string[] { "--no-sandbox" }27        });28        var page = await browser.NewPageAsync();29        await page.ScreenshotStreamAsync();30        await browser.CloseAsync();31    }32}

ScreenshotStreamAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2var screenshot = await page.ScreenshotStreamAsync();3var page = await browser.NewPageAsync();4var screenshot = await page.ScreenshotStreamAsync(new ScreenshotOptions5{6});7var page = await browser.NewPageAsync();8var screenshot = await page.ScreenshotStreamAsync(new ScreenshotOptions9{10});11var page = await browser.NewPageAsync();12var screenshot = await page.ScreenshotStreamAsync(new ScreenshotOptions13{14});15var page = await browser.NewPageAsync();16var screenshot = await page.ScreenshotStreamAsync(new ScreenshotOptions17{18});19var page = await browser.NewPageAsync();20var screenshot = await page.ScreenshotStreamAsync(new ScreenshotOptions21{

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