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I think most people just used whatever screenshot\r\ntool they had available or crop the image afterwards, which is annoying and if\r\nyou have a bunch of graphs you want to display next to each others it's really\r\nhard to crop them all in the same place so they look decent.\r\n\r\nThis adds a button below each graph to capture a screenshot of the graph and\r\nlegend. Because of browser security issues, it's not possible to directly\r\ngenerate a screenshot so we use html2canvas (http://html2canvas.hertzen.com/)\r\nand generate an image from the canvas it produces.\r\n\r\nFrom html2canvas' website:\r\n\"\r\nThis script allows you to take \"screenshots\" of webpages or parts of it,\r\ndirectly on the users browser. The screenshot is based on the DOM and as such\r\nmay not be 100% accurate to the real representation as it does not make an\r\nactual screenshot, but builds the screenshot based on the information available\r\non the page.\r\n\"\r\n\r\nThis adds html2canvas to our third party directory, and adds some code in\r\nperfgraph.js to capture and render the image.\r\n\r\nCurrently this opens up a new window and generates a static image that's the\r\nsame size as the original graph (and from there you can right click and save\r\nimage or whatever.) It would be nice to avoid opening up another window (since\r\nmost browsers block this behavior by default until you tell it to allow pop-ups\r\nfrom our site.) It would also be nice if you could specify the width/height of\r\nthe image you want to generate so you don't have to scale the image after the\r\nfact.","created_at":"2015-03-25T23:28:51Z","updated_at":"2015-03-27T02:11:49Z","closed_at":"2015-03-27T02:11:49Z","merged_at":"2015-03-27T02:11:49Z","merge_commit_sha":"1303ecde63e6e84025197e8a9b0f02cdc175b19b","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/chapel-lang/chapel/pulls/1745/commits","review_comments_url":"https://api.github.com/repos/chapel-lang/chapel/pulls/1745/comments","review_comment_url":"https://api.github.com/repos/chapel-lang/chapel/pulls/comments{/number}","comments_url":"https://api.github.com/repos/chapel-lang/chapel/issues/1745/comments","statuses_url":"https://api.github.com/repos/chapel-lang/chapel/statuses/c8d1fe1030794754a1ac3948188b3396c40bf877","head":{"label":"ronawho:screenshot-perf-graphs","ref":"screenshot-perf-graphs","sha":"c8d1fe1030794754a1ac3948188b3396c40bf877","user":{"login":"ronawho","id":1588337,"avatar_url":"https://avatars.githubusercontent.com/u/1588337?v=3","gravatar_id":"","url":"https://api.github.com/users/ronawho","html_url":"https://github.com/ronawho","followers_url":"https://api.github.com/users/ronawho/followers","following_url":"https://api.github.com/users/ronawho/following{/other_user}","gists_url":"https://api.github.com/users/ronawho/gists{/gist_id}","starred_url":"https://api.github.com/users/ronawho/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ronawho/subscriptions","organizations_url":"https://api.github.com/users/ronawho/orgs","repos_url":"https://api.github.com/users/ronawho/repos","events_url":"https://api.github.com/users/ronawho/events{/privacy}","received_events_url":"https://api.github.com/users/ronawho/received_events","type":"User","site_admin":false},"repo":{"id":21908970,"name":"chapel","full_name":"ronawho/chapel","owner":{"login":"ronawho","id":1588337,"avatar_url":"https://avatars.githubusercontent.com/u/1588337?v=3","gravatar_id":"","url":"https://api.github.com/users/ronawho","html_url":"https://github.com/ronawho","followers_url":"https://api.github.com/users/ronawho/followers","following_url":"https://api.github.com/users/ronawho/following{/other_user}","gists_url":"https://api.github.com/users/ronawho/gists{/gist_id}","starred_url":"https://api.github.com/users/ronawho/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ronawho/subscriptions","organizations_url":"https://api.github.com/users/ronawho/orgs","repos_url":"https://api.github.com/users/ronawho/repos","events_url":"https://api.github.com/users/ronawho/events{/privacy}","received_events_url":"https://api.github.com/users/ronawho/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/ronawho/chapel","description":"a 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