C
WORD DrawArc( SHORT cx, SHORT cy, SHORT r1, SHORT r2, SHORT startAngle, SHORT endAngle );
Overview
This renders an arc with from startAngle to endAngle with the thickness of r2-r1. The function returns 1 when the arc is rendered successfuly and returns a 0 when it is not yet finished. The next call to the function will continue the rendering.
Input Parameters
|
Input Parameters |
Description |
|
SHORT cx |
the location of the center of the arc in the x direction. |
|
SHORT cy |
the location of the center of the arc in the y direction. |
|
SHORT r1 |
the smaller radius of the arc. |
|
SHORT r2 |
the larger radius of the arc. |
|
SHORT startAngle |
start angle of the arc. |
|
SHORT endAngle |
end angle of the arc. |
Returns
Returns 1 if the rendering is done, 0 if not yet done.
Preconditions
none
Side Effects
none