New ReportingCloud Endpoint: Creating Document Thumbnails
The ReportingCloud Web API adds a document/thumbnails endpoint that generates page images from uploaded DOC, DOCX, PDF, XLSX, RTF, and HTML files. Query parameters control zoom factor from 1 to 400 percent, page range selection, and output format including PNG, JPG, GIF, and BMP.
We just released a new endpoint to the ReportingCloud Web API to create image thumbnails of documents. Until now, only templates from the template storage could be used to create thumbnails. The new endpoint allows you to upload a document in the request payload in various formats to create image thumbnails of specified pages.
https://api.reporting.cloud/v1/document/thumbnails
The following settings can be passed as query parameters to specify the zoom factor, the required page numbers and the image format:
| Parameter | Value Type | Value description |
|---|---|---|
| zoomFactor | Integer | Optional. An Integer value between 1 and 400 to set the percentage zoom factor of the created thumbnail images. Default value: 100. |
| fromPage | Integer | Optional. An Integer value that specifies the first page. By default the first page is selected. |
| toPage | Integer | Optional. An Integer value that specifies the last page. By default the last page is selected. |
| imageFormat | String | Optional. A string value that defines the image format of the returned thumbnails. Possible values are PNG, JPG, GIF and BMP. By default, the return format is PNG. |
The document needs to be posted in the request payload in one of the following document formats encoded as a Base64 string:
- DOC
- DOCX
- TX
- XLSX
- RTF
- HTML
The following code uses the ReportingCloud .NET SDK to create thumbnails of an uploaded document:
ReportingCloud rc = new ReportingCloud(sUsername, sPassword, uriBasePath);
// upload 1 more document with unique file name
byte[] bDocument = File.ReadAllBytes("documents/invoice.tx");
// create thumbnails
List<System.Drawing.Image> images = rc.GetDocumentThumbnails(bDocument, 20, 1, 2, ImageFormat.PNG);
// check, if images are created
Console.WriteLine(images.Count().ToString() + " image thumbnails have been created.");Happy coding!
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