How to Convert Visio to PDF in Java

Visio-to-pdf-adv.java

// Create an object of Diagram class to load diagram from a VSDX file
Diagram diagram = new Diagram(  "sample.vsdx");
// Instantiate an instance of PdfSaveOptions class to specify additional options when rendering diagram pages to PDF.
PdfSaveOptions options = new PdfSaveOptions();
// pass a value to the SplitMultiPages method to define whether split diagram to multi pages according to page's setting. option
options.setSplitMultiPages(true);
// Specify the quality of JPEG compression for images by calling the setJpegQuality method
options.setJpegQuality(100);
// Invoke the setPageSize method to sets the page size for the generated images
options.setPageSize(null);
// Call the save method to save in PDF format  
diagram.save(  "SplitMultiPages.pdf", options);

Visio-to-pdf.java

// Call the diagram constructor to load diagram from a VSD file
Diagram diagram = new Diagram("sample.vsdx");
// Invoke the save method to save as PDF file format 
diagram.save( "ExportToPDF_Out.pdf", SaveFileFormat.PDF);