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MGL_rgnEllipseArc
Generate an elliptical arc outline as a region.
Declaration
region_t * MGLAPI MGL_rgnEllipseArc(
rect_t extentRect,
int startAngle,
int endAngle,
const region_t *pen)
Prototype In
mgraph.h
Parameters
extentRect |
Bounding rectangle for the ellipse |
startAngle |
Starting angle for the elliptical arc |
endAngle |
Ending angle for the elliptical arc |
pen |
Region to use as the pen when drawing the ellipse |
Return Value
New region generated, NULL if out of memory.
Description
This function generates the outline of an elliptical arc as a complex region by dragging the specified pen region around the perimeter of the ellipse. The pen used can be any arbitrary shape, however rectangular pens are special cased to provide fast region generation.
See Also
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