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....for Java can load and Save. Format Description Load Save Remarks...Graphics (An XML-based vector image format) EMF Enhanced MetaFile...