Talk:Canvas element

message: Having a third of this article dedicated to examples is absurd.  The list should be concise, to the point, non-spammy links to good examples of Canvas being implemented, not just a list of arcade games redone for the browser in Canvas. 209.190.211.3 16:14, 19 April 2007 (UTC)
thread_title:  Examples list - mostly spam? 

message: This section talks about an email from March 07.  In April, there was an email from mjs@apple.com to the w3c public-html list that said:
"If the group is agreeable to these proposals, Apple, Mozilla and  
Opera will agree to arrange a non-exclusive copyright assignment to  
the W3 Consortium for HTML5 specifications."
I don't know the details of this debate, but perhaps the section should be updated to reflect this?
The page says: "This caused considerable discussion among web developers, as Apple is known for its history of patent-related litigation." That seems to be an inflamatory statement. Following the link shows only a single example of a patent-related litigation, and it involves Apple being sued by Creative. There isn't a single example of Apple engagin in legal action against anyone for patent violation, so saying that "Apple is known for its history of patent-related litigation", is at best unsubstantiated ArnoGourdol 18:20, 25 May 2007 (UTC)
replies: text: I think that's an excellent point. I've chopped out the offending text, and spliced it together with the concern over a lack of patent policy. (Which has been the real discussion in regards to Apple's email.) --Jbanes 18:51, 25 May 2007 (UTC)
replies: text: I think that this needs to be revised again. Apple is rather notorious for patent litigations now.Fduch (talk) 02:39, 25 December 2011 (UTC)
thread_title:  Intellectual Property Issues 

message: I think the example code could be much simpler, along the lines of the Mozilla Canvas tutorials. 
It's too long, and not focused on the features of Canvas itself.  —Preceding unsigned comment added by Samdutton (talk • contribs) 18:56, 13 February 2009 (UTC)
thread_title:  Example 

message: Look, this is simple.  and I have been going back and forth about removing the NoMoreLinks template from the External links section of this page. I believe it should be there to dissuade people from adding more links, but Reisio feels that "few useless & redundant things in this world are _meant_ to be UNhelpful, but they remain useless & redudant" (this edit). Since I'd rather not go back and forth on this, I've requested a WP:3O. So to the person giving the opinion: should the NoMoreLinks template be included? — HelloAnnyong (say whaaat?!) 20:14, 7 June 2009 (UTC)
replies: text: I'd say toss it.  AFAICT, it's a largely un- and sub-standard template, and I would personally highly discourage its use.  It's also pretty disruptive, and the same thing could be accomplished by just writing  That way, it's unobtrusive, non-threatening, and clear-cut.  You don't even need the second sentence. ~ Amory (talk) 20:33, 7 June 2009 (UTC)
replies: text: Hmm, alright. I guess I haven't really seen it used much elsewhere. I assume that it was added at a time when this article was rife with crap external links, but it's not really that bad anymore. — HelloAnnyong (say whaaat?!) 20:47, 7 June 2009 (UTC)
thread_title:  Use of NoMoreLinks template 

message: From the article (reactions): "There are other concerns about syntax e.g. the absence of a namespace." [my emphasis]
From reading the reference to this claim it seems to me that this is a problem of HTML not being capable of handling proprietary element tags in a good way, as it lacks namespaces. Thus it's not a problem with the canvas element. Since the canvas element now seems to become part of the official standard, this is no longer an issue, thus this claim is invalid.
Can someone please verify this? --Gosub (talk) 09:58, 4 March 2010 (UTC)
thread_title:  Namespace issue 

message: Should we say anything about the lack of support in IE?
I know that the code at the top of the page does give a kind of "alt text" but it says nothing about why you might need it. —Preceding unsigned comment added by Inputdata (talk • contribs) 14:40, April 29, 2010
:Deeming from Comparison of layout engines (HTML5 Canvas) there seems to be an incomplete (as in all browsers) support of the Canvas element in latest IE, so the note is obsolete. Rursus dixit. (mbork3!) 11:23, 20 July 2011 (UTC)
thread_title:  Lack of support in IE 

message: In the history section there is a reference to "summer 2009". I can presume that this means the Nortern Hemisphere, however it would be very useful if this reference could be changed to either a month, or to indicate which hemisphere's summer. Thanks.
Gregwmay (talk) 01:42, 15 June 2010 (UTC)
replies: text: . I think it was August 2009. — HelloAnnyong (say whaaat?!) 22:30, 16 June 2010 (UTC)
thread_title:  Summer in which hemisphere? 

message: The canvas tag existed in netscape a while back (1997-8) as far as i remember!  —Preceding unsigned comment added by 192.18.192.21 (talk) 08:44, 22 February 2011 (UTC)
thread_title:  existed in netscape 

message: Now I've tested HTML5/canvas/CanvasRenderingContext2D. It is essentially a syntax-morphed PostScript in ECMAScript — a Display PostScript I presume. (IMO a technically bad solution, but why should anyone listen to the programmer?). I'm starting to get an idea why this beastie is being approved by the code mongers: it's easily hackable within the imperative-pseudo-OO paradigm, but that refers to CanvasRenderingContext2D. (IMO it should have been the log-prog paradigm instead — many security and garb issues are expected to rise in the future.) I think we should find sources and claim that the beastie is a Display PostScript. Rursus dixit. (mbork3!) 11:34, 20 July 2011 (UTC)
thread_title: tested

message: no one seems to be bothered that this page:
1) refers to "canvas" as a html5 thing
2) does not point to a disambiguation page for other meanings:
2.a) where canvas refers to a real painter canvas
2.b) where canvas refers to a software abstraction for a screen representation
206.132.224.107 (talk) 18:36, 22 July 2011 (UTC)
replies: text: I don't see the problem the page is called canvas element not canvas so there is not a issue with other meanings. If you search for just canvas you a painter canvas Inputdata (talk) 08:43, 31 August 2011 (UTC)
thread_title: canvas scope

message: Something I was hoping to find in the external links, but didn't: a simple(r) explanation of what HTML5 canvas is, suitable for typical naive end users. I'd really like to provide a good link on a site I'm building, so that anyone whose browser lacks HTML5 canvas is aimed at an appropriate page to understand what canvas is. This article itself is probably one step to sophisticated to be the preferred target of that link.
Any suggestions? - Jmabel | Talk 01:09, 15 November 2011 (UTC)
thread_title:  External link question 

message: As it stands, this article seems to imply that the Canvas element is only for 2D graphics, but one can also render 3D graphics in a Canvas element. As I write this, there are two APIs for drawing inside a Canvas element (according to the WHATWG wiki):
# a 2D drawing API that doesn't really have a nice compact brand name other than the "HTML Canvas 2D Context", and
# the WebGL API which is for 3D graphics.
Drttm (talk) 19:53, 4 March 2012 (UTC)
thread_title:  Canvas Element and 3D Graphics 

message: This edit recently added the WP:EL:
: HTML Canvas Studio to generate Canvas script by drawing
but was reverted soon afterwards.
I'm inclined to re-add it. It's not a script itself that I would find much use for, however it (and the scripts it generates) does give a simple and comprehensible example of <canvas> and why one might wish to use it. Thoughts? Andy Dingley (talk) 14:22, 23 June 2013 (UTC)
replies: text: External links should elaborate on the subject. This is just a tool, one of many available on the WWW; it belongs in a web directory, not a Wikipedia page. Mindmatrix 19:49, 23 June 2013 (UTC)
replies: text:  I see this as more an example than a tool (or an elaboration of textual detail). It's an interactive demonstration of what can be achieved by using <canvas>, and an example of the sort of code which one would write to do so. These are both useful, encyclopedic, yet outside the technical scope of what can be achieved in a written encyclopedia. For that reason I see it as meeting WP:EL. Andy Dingley (talk) 20:53, 23 June 2013 (UTC)
thread_title:  EL for canvas draw-to-script generator? 

message: I wrote a free online Canvas Handbook as an introduction and comprehensive reference for this HTML5 element.
Maybe it is suitable to be added to the list of external links.  — Preceding unsigned comment added by Bucephalusorg (talk • contribs) 16:54, 8 October 2013 (UTC)
thread_title:  Link to online Canvas Handbook 

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*Added archive https://web.archive.org/web/20090427053125/http://www.whatwg.org:80/specs/web-apps/current-work/multipage/the-canvas-element.html to http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html
*Added archive https://web.archive.org/web/20080725095805/http://developer.apple.com/documentation/AppleApplications/Conceptual/SafariJSProgTopics/Tasks/Canvas.html to http://developer.apple.com/documentation/AppleApplications/Conceptual/SafariJSProgTopics/Tasks/Canvas.html
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thread_title:  External links modified