{"action":"created","issue":{"url":"https://api.github.com/repos/ImageMagick/ImageMagick/issues/227","repository_url":"https://api.github.com/repos/ImageMagick/ImageMagick","labels_url":"https://api.github.com/repos/ImageMagick/ImageMagick/issues/227/labels{/name}","comments_url":"https://api.github.com/repos/ImageMagick/ImageMagick/issues/227/comments","events_url":"https://api.github.com/repos/ImageMagick/ImageMagick/issues/227/events","html_url":"https://github.com/ImageMagick/ImageMagick/issues/227","id":162149113,"number":227,"title":"Semi-transparent stroke linecaps appear mirrored using stroke-linecap round","user":{"login":"MarkMurphy","id":873474,"avatar_url":"https://avatars.githubusercontent.com/u/873474?v=3","gravatar_id":"","url":"https://api.github.com/users/MarkMurphy","html_url":"https://github.com/MarkMurphy","followers_url":"https://api.github.com/users/MarkMurphy/followers","following_url":"https://api.github.com/users/MarkMurphy/following{/other_user}","gists_url":"https://api.github.com/users/MarkMurphy/gists{/gist_id}","starred_url":"https://api.github.com/users/MarkMurphy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MarkMurphy/subscriptions","organizations_url":"https://api.github.com/users/MarkMurphy/orgs","repos_url":"https://api.github.com/users/MarkMurphy/repos","events_url":"https://api.github.com/users/MarkMurphy/events{/privacy}","received_events_url":"https://api.github.com/users/MarkMurphy/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2016-06-24T13:41:46Z","updated_at":"2016-06-24T18:47:15Z","closed_at":null,"body":"Notice the use of a semi-transparent color `#0004` and `stroke-linecap round`:\r\n\r\n```\r\nconvert -size 200x200 xc:white -draw 'stroke \"#0004\" \\\r\nstroke-width 20 stroke-linecap round polyline 100,50 100,150' line.png\r\n```\r\n\r\n![line](https://cloud.githubusercontent.com/assets/873474/16339070/021b60b4-39f7-11e6-8f5e-ce5bacd708c5.png)\r\n\r\nWith this you can see there are some unexpected (darker) semi-circles overlaid at each end of the line.\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/ImageMagick/ImageMagick/issues/comments/228428875","html_url":"https://github.com/ImageMagick/ImageMagick/issues/227#issuecomment-228428875","issue_url":"https://api.github.com/repos/ImageMagick/ImageMagick/issues/227","id":228428875,"user":{"login":"MarkMurphy","id":873474,"avatar_url":"https://avatars.githubusercontent.com/u/873474?v=3","gravatar_id":"","url":"https://api.github.com/users/MarkMurphy","html_url":"https://github.com/MarkMurphy","followers_url":"https://api.github.com/users/MarkMurphy/followers","following_url":"https://api.github.com/users/MarkMurphy/following{/other_user}","gists_url":"https://api.github.com/users/MarkMurphy/gists{/gist_id}","starred_url":"https://api.github.com/users/MarkMurphy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MarkMurphy/subscriptions","organizations_url":"https://api.github.com/users/MarkMurphy/orgs","repos_url":"https://api.github.com/users/MarkMurphy/repos","events_url":"https://api.github.com/users/MarkMurphy/events{/privacy}","received_events_url":"https://api.github.com/users/MarkMurphy/received_events","type":"User","site_admin":false},"created_at":"2016-06-24T18:47:15Z","updated_at":"2016-06-24T18:47:15Z","body":"I'm guessing that ImageMagick is just adding circles to the end of the line to use as the line caps, which causes the darker areas when overlapping with the line stroke."}}
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