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Merge pull request #3 from bjnsn/roundedRect-patch

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Adjust roundedRect() to draw circular arcs for corners - rather than …
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alafr 2016-09-06 23:38:07 +03:00 committed by GitHub
commit 6557d916df
1 changed files with 7 additions and 4 deletions
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11
lib/mixins/vector.coffee
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@ -71,15 +71,18 @@ module.exports =
@addContent "#{x} #{y} #{w} #{h} re"
roundedRect: (x, y, w, h, r = 0) ->
# amount to inset control points from corners (see `ellipse`)
c = r * (1.0 - KAPPA)
@moveTo x + r, y
@lineTo x + w - r, y
@quadraticCurveTo x + w, y, x + w, y + r
@bezierCurveTo x + w - c, y, x + w, y + c, x + w, y + r
@lineTo x + w, y + h - r
@quadraticCurveTo x + w, y + h, x + w - r, y + h
@bezierCurveTo x + w, y + h - c, x + w - c, y + h, x + w - r, y + h
@lineTo x + r, y + h
@quadraticCurveTo x, y + h, x, y + h - r
@bezierCurveTo x + c, y + h, x, y + h - c, x, y + h - r
@lineTo x, y + r
@quadraticCurveTo x, y, x + r, y
@bezierCurveTo x, y + c, x + c, y, x + r, y
ellipse: (x, y, r1, r2 = r1) ->
# based on http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas/2173084#2173084