Legacy Document

Inside Macintosh: Imaging With QuickDraw /

Chapter 3 - QuickDraw Drawing / QuickDraw Drawing Reference

Routines / Customizing QuickDraw Operations

StdOval

The StdOval procedure is QuickDraw's standard low-level routine for drawing an oval.

PROCEDURE StdOval (verb:\xDDGrafVerb; r:\xDDRect);

verb

One of the following actions to perform, as defined for the GrafVerb data type:

           GrafVerb = (frame, paint, erase, invert, fill);

r

The rectangle to contain the oval.

DESCRIPTION

The StdOval procedure draws an oval inside the given rectangle specified in the r parameter according to the action specified in the verb parameter.

SPECIAL CONSIDERATIONS

The StdOval procedure may move or purge memory blocks in the application heap. Your application should not call this procedure at interrupt time.