[whatwg] [canvas] rotate.
ian at hixie.ch
Thu May 18 14:11:06 PDT 2006
On Thu, 18 May 2006, Andrew Fedoniouk wrote:
> Coordinate system of the <canvas> is x-axis : top-to-bottom and y-axis
> is left-to-right. Let's say we have some vector of the length 1 and
> angle 0. How it is located in respect of the axis?
The canvas API doesn't have vectors. The only two functions that take
angles are (a) the arc() method, whose definition defines its
interpretation as radians clockwise from the positive x-axis, and (b) the
rotate() method, whose definition again defines its interpretation as
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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