Image url extractor5/28/2023 I hold no responsibility if anything goes wrong. Modify, distribute, sell, fork, and use this as much as you like. This means you can use this for whatever you want. Settings.OnFoundImage += async (WebImage image) =>Ĭonsole.WriteLine($"Found Image at Uri. Images are saved to files as jpg images.ĮxtractionSettings settings = new ExtractionSettings() A line is written to the console each time an image is found. The below example shows how to retrieve all images from a Uri, and search linked pages up to depth 3, along with Uri recursion. Checks if the extractor should continue or if enough images have been found. If not set, a new HttpClient is created.Ĭallback event when an image is found by the extractor.Ĭallback event when the extractor begins to explore a new Uri.Ĭallback event when the extractor has finished exploring a Uri.Ĭallback event when a new image is found. Setting to true improves performance, but returns more false positives.Īn instance of HttpClient to use. Blazor).ĭisables an additional check (that the image url returns OK) before images are returned. Should Cors Anywhere ( ) be used? Only required for Web Applications (e.g. When extracting all images on a page, should the extractor get images from 'background-image' styles? Note this only works for inline styles, and not for images specified in separate css files. When extracting all images on a page, should the extractor get images from tags in addition to favicons and apple touch icons. ![]() When extracting all images on a page, should the extractor get images from tags in the html Number of layers of hyperlinks to explore for image extraction.ĭownload images immediatley after extraction? Or download them when required? Recurse Uri segments and extract images from all?Įxtract images from any pages linked to by the given Uri? The ExtractionSettings class allows you to customize how images are extracted. IEnumerable images = await Extractor.GetFavicons("", settings) ![]() InstallationĮxtractionSettings settings = new ExtractionSettings() Recursion works by exploring Uris with segments removed, and by following hyperlinks ( tags) on the page, providing these are enabled in the settings. Note that images are not pulled from background-image styles set in separate. When looking for all images on a page, Favicons and Apple touch icons are retrieved, then all other images in and tags are retrieved, followed by all images in tags, and finally all images specified using background-image: url(' within inline styles (if enabled in settings). It works in a similar way for Apple Touch Icons. Any link with a valid Favicon rel property will be returned as a Favicon. First the path /favicon.ico is checked, and then it checks for tags in the HTML head. How does it work?įavicons are found from the standard places. It's always best to give a user choice over the best icon/image, or even let them provide their own, don't rely entirely on the algorithms. This library isn't magic, so you might not get exactly what you want. please note that some websites might only have one icon available and others might not have any. ![]() Note: If you are after something specific, e.g. You can find the source code for the demo here. To see an online example use of this tool, checkout this Blazor demo. ![]()
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