On Thu, Sep 22, 2011 at 7:31 PM, Young Han Lee <[email protected]> wrote:
> Hi all, > > I have a patch to add webkitLineDash and webkitLineDashOffset APIs on > CanvasRenderingContext2D on https://bugs.webkit.org/show_bug.cgi?id=63933 > > The purpose of these APIs is to support for strokes with dash in Canvas. > > Although the API is not specified in the HTML Canvas specification yet, I > believe it would be great to support the API. As Dirk said in the above bug, > Mozilla already implemented the APIs named mozDash and mozDashOffset[1], and > there seems to be many needs for the API. Some people even implemented their > own javascript functions to draw strokes with dash in Canvas[2,3]. > > As GraphicsContext already have an interface for strokes with dash, > setLineDash, all we have to do is exposing it to the JS level. So the syntax > and meaning of the new APIs is the same with the arguments of the > setLineDash. webkitLineDash is an array of float, and webkitLineDashOffset > is a float. > > I uploaded a patch for JSC first. After the patch is landed, I will make a > follow-up patch for V8. > > Any thought? > Has this proposal been raised in the WHATWG, which specifies the canvas 2d interface? It sounds like in this email you have done most of the work necessary for a good spec proposal (see http://wiki.whatwg.org/wiki/FAQ#Is_there_a_process_for_adding_new_features_to_a_specification.3F ). - James > > > [1] https://bugzilla.mozilla.org/show_bug.cgi?id=662038 > [2] > http://davidowens.wordpress.com/2010/09/07/html-5-canvas-and-dashed-lines/ > [3] > http://stackoverflow.com/questions/7352769/dashed-curves-on-html5-canvas-bezier > > _______________________________________________ > webkit-dev mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev > >
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