W3C home > Mailing lists > Public > whatwg@whatwg.org > October 2007

[whatwg] dashed lines in Canvas

From: Mathieu HENRI <p01@opera.com>
Date: Wed, 03 Oct 2007 14:36:14 +0200
Message-ID: <47038CBE.2060901@opera.com>
Stefan G?ssner wrote:
> One possible use case of canvas are technical drawings. For even 
> extremely simple drawings - think of a circle with centerlines and a 
> diameter dimension - dash-dotted lines are needed as well as dimension 
> text.
> 
> I would like to see both (dashed lines and text) in future canvas versions.

Why not using SVG ? it has the features you want and more. It's a declarative 
format, which means you can import/export it into/from a graphic editor if you 
want.

> -- 
> Stefan Goessner
> 
> Garrett Smith wrote:
>> On 5/21/07, Ian Hickson <ian at hixie.ch> wrote:
>>> On 5/19/07, Garrett Smith <dhtmlkitchen at gmail.com> wrote:
>>
>>>> Consider doing any diagramming. It's a necessary feature.
>>> Not really. For straight lines it's pretty trivial to do today anyway
>>> (either by drawing actual dashed lines or faking it with a pattern),
>>> and in general you can use other styles of lines instead of actual
>>> dashes. Now of course I'm not saying that this is always a good
>>> alternative, but it's not a blocker.
>>>
>>
>>
>>> If someone actually does this, then we might have to reconsider.
>>
>> http://ditchnet.org/canvasuml/
>>
>> Someone actually did.
>>
>> I haven't tried using <canvas> for UML for publishing.
>>
>>  If I want to make a diagram published, I'd use the above strategies.
>>
>> Trying to make UML Diagrams in the browser, current options are:
>> 1) ASCII
>> 2) Image
>> 3) HTML + CSS + Images
>>
>> A UML widget for a bugzilla plugin could be useful, so long as it was
>> simple and quicker to use than making ascii lines.
>>
>> Garrett
>>
>>> -- 
>>> Ian Hickson


-- 
Mathieu 'p01' HENRI
JavaScript developer, Opera Software ASA
Received on Wednesday, 3 October 2007 05:36:14 UTC

This archive was generated by hypermail 2.3.1 : Monday, 13 April 2015 23:08:37 UTC