Visio Diagram Java API can load and save variety of formats including VSDX, VDX, VSD, VTX, VSSX, VSDM, VSTM, PDF, XPS, SVG, EMF, JPEG, PNG, BMP, TIFF and HTML....Graphics (An XML-based vector image format) EMF Enhanced MetaFile...TIFF Single or Multi-Page TIFF Image HTML HTML Format Feature List...