Legacy Document

Inside Macintosh: Imaging With QuickDraw /

Chapter 3 - QuickDraw Drawing / QuickDraw Drawing Reference

Routines / Customizing QuickDraw Operations

StdRgn

The StdRgn procedure is QuickDraw's standard low-level routine for drawing a region.

PROCEDURE StdRgn (verb:\xDDGrafVerb; rgn:\xDDRgnHandle);

verb

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

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

rgn

A handle to the region data.

DESCRIPTION

The StdRgn procedure draws the region specified in the rgn parameter according to the action specified in the verb parameter.

SPECIAL CONSIDERATIONS

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