[html5] Points in a <CANVAS> element

Ian Hickson ian at hixie.ch
Sat Feb 9 16:11:16 PST 2008

On Fri, 1 Feb 2008, John S. Urban wrote:
> More simply put, points are an essential graphic element. A <CANVAS> 
> element apparently provides no support for them. even a CALCOMP graphics 
> library from thirty years ago provided a way to generate points. If the 
> obvious ways to support them (ie a separate procedure such as Point(x,y) 
> or the rendering of a point when a polyline of zero length is 
> encountered) do not exist then how is a point supposed to be generated?  
> There is beauty in simplicity, but this is a lack of basic 
> functionality. Many people will be forced to kludge their codes to 
> change a null line to a line of 1 unit in length, or to filter for lines 
> of zero length and draw a circle and so on.  So what is the supported 
> method for generating points? A simple example would be most helpful.

Points, in a vector space like <canvas>, have no visible rendering. Do you 
want a circle? A square? Some other shape? All of those can be drawn using 
the current API. I don't really understand what you are asking for.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

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