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__NOTOC__
gc:'''drawArc''' is a function that is part of [[:Category:gc|gc]] (Graphics Context).
gc:'''drawArc''' is a function that is part of [[:Category:gc|gc]] (Graphics Context).
Draws an arc in the rectangle with upper left corner (x,y) and pixel ''width'' and ''height''. The arc is drawn beginning at ''startAngle'' degrees and ending at ''endAngle''.
Zero degrees points to the right and 90 degrees points up (standard mathematical practice but worth mentioning since the y axis is inverted).
{{Since|3.0}}
{{Since|3.0}}
== Syntax ==
== Syntax ==
'''drawArc'''(arg1, arg2, arg3 [,arg4])
gc:'''drawArc'''(x, y, width, height, start angle, finish angle)
{| class="wikitable"
{| class="wikitable"
! Parameter !! Type !! Description
! Parameter !! Type !! Description
|-
|-
| <u><center>arg1</center></u> || TypeOfArg1 || Description of arg1
| <u><center>x</center></u> || number || The x-coordinate of the upper-left point
|-
|-
| <u><center>arg2</center></u> || TypeOfArg2 || Description of arg2
| <u><center>y</center></u> || number || The x-coordinate of the upper-left point
|-
|-
| <u><center>arg3</center></u> || TypeOfArg3 || Description of arg3
| <u><center>width</center></u> || number || Width of the rectangle containing the arc
|-
|-
| <u><center>arg4</center></u> || TypeOfArg4 || Description of arg4
| <u><center>height</center></u> || number || Height of the rectangle containing the arc
|-
| <u><center>start angle</center></u> || number || start angle
|-
| <u><center>finish angle</center></u> || number || finish angle
|}
|}
== Example ==
== Example ==
<syntaxhighlight></syntaxhighlight>
<syntaxhighlight>gc:drawArc(10, 10, 20, 30, 0, 120)</syntaxhighlight>
== Good to know ==
To draw a circle, the width and height must be equal length and the start and end angles must be 0 and 360. If width and height are different lengths, this routine will draw an oval.
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[[Category:gc]]
[[Category:gc]]
