Class Libraries & REST APIs for the developers To manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, DeskTop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....Ask AI 从PDF中提取图像并识别条形码 Contents [ Hide ] PDF文档通常由文本、图像、表格、附件...Drawing . Imaging . ImageFormat . Jpeg ); // Set the stream position...