this patch change the axis rendering to the canvas (vs css+html) the image export is done with the download attribute if supported see http://caniuse.com/#feat=download or by changing the browser location : with this method it's not possible to set the filename.
PR https://github.com/apache/jmeter/pull/90
Date: Thu Jan 28 22:53:51 2016 New Revision: 1727447 URL: http://svn.apache.org/viewvc?rev=1727447&view=rev Log: Bug 58924 - Dashboard / report : It should be possible to export the generated graph as image (PNG) #resolve #90 Bugzilla Id: 58924 Modified: jmeter/trunk/bin/report-template/content/js/graph.js.fmkr jmeter/trunk/bin/report-template/content/pages/OverTime.html.fmkr jmeter/trunk/bin/report-template/content/pages/ResponseTimes.html.fmkr jmeter/trunk/bin/report-template/content/pages/Throughput.html.fmkr jmeter/trunk/xdocs/changes.xml
Thanks a lot. Commited with little fixes to graph names.
This issue has been migrated to GitHub: https://github.com/apache/jmeter/issues/3797