On Thu, Feb 14, 2013 at 9:55 AM, Dirk Schulze <dschu...@adobe.com> wrote:
> Hi WebKit folks, > > I worked on the Path interface defined by the Canvas spec of W3C and > WHATWG [1][2] for the last couple of weeks. > > Summary: > Canvas supports a new DOM interface called Path. The Path interface takes > a series of very well known path methods like moveTo, lineTo, cubicCurveTo, > rect and allows to create and keep a path independent of a Canvas context. > Additionally, I added the attribute 'currentPath' to the Canvas context to > provide read and write access to the current path created on the Canvas > context. Code snippet: > > var path = new Path(); > path.rect(0,0,100,100); > > var ctx = canvas.getContext('2d'); > ctx.currentPath = path; > ctx.lineTo(200,200); > ctx.closePath(); > > var path2 = ctx.currentPath; // path2 != path > > Not implemented are addText, addPath, addPathByStrokingText. Another > proposal from Rik Cabanier[3] seems to address the idea behind these > methods better. > > I would like to ask to enable CANVAS_PATH by default on trunk. Ports can > opt-out the flag again. More information about some implementation details > in a short article[4]. If there are any concerns, suggestions or questions, > I am happy to answer them. > Could you please add a runtime enable flag before flipping this on for chromium? Thanks. - James > > Greetings, > Dirk > > [1] http://www.w3.org/html/wg/drafts/2dcontext/html5_canvas/#path-objects > [2] > http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#path-objects > [3] http://blogs.adobe.com/webplatform/2013/01/31/revised-canvas-paths/ > [4] http://dschulze.com/blog/articles/10/html-canvas-path-object-in-webkit > _______________________________________________ > webkit-dev mailing list > webkit-dev@lists.webkit.org > https://lists.webkit.org/mailman/listinfo/webkit-dev >
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