topic Re: PNG export using the API in Alfresco Archive

PNG export using the API

michael_becker — Wed, 30 Oct 2013 10:16:27 GMT

Hi forum,we are currently trying to implement an application that returns the image file (preferably in PNG format) for a given process definition. After searching around a while I could not find any feasible approach for writing a ProcessDefinitionEntity (or BPMNModel) into an image file using the

Re: PNG export using the API

michael_becker — Wed, 30 Oct 2013 10:25:21 GMT

Ah. Sometimes the solution is just too clear to see it. I just found the class <code>ProcessDiagramGenerator</code> providing the method <code>generatePngDiagram</code> returning an <code>InputStream</code> and everything works fine…

Re: PNG export using the API

martin_grofcik — Wed, 30 Oct 2013 12:19:45 GMT

That's the one option. (I used the same approach when I changed ProcessDiagramCanvas for crystalball https://github.com/gro-mar/activiti-crystalball/blob/master/image-builder/src/main/java/org/activiti/crystalball/diagram/ProcessDiagramCanvas.java?source=c). This process diagram canvas allows you to write short comments into nodes, highlight nodes with different colors…)

Another option is to use SVG generator on the client side
https://github.com/Activiti/Activiti/blob/master/modules/activiti-webapp-explorer2/src/main/webapp/diagram-viewer/js/ProcessDiagramGenerator.js?source=c

which could be interesting too.