getplanes(3G)							 getplanes(3G)

NAME    [Toc]    [Back]

     getplanes - returns the number of available bitplanes

C SPECIFICATION    [Toc]    [Back]

     long getplanes()

PARAMETERS    [Toc]    [Back]

     none

FUNCTION RETURN	VALUE
     The returned value	of this	function is the	number of bitplanes available
     for drawing under the current drawmode.

DESCRIPTION    [Toc]    [Back]

     getplanes returns the number of bitplanes that are	available for drawing
     under the current drawmode.  When the drawmode is NORMALDRAW, the result
     also depends on the current buffer	mode and whether or not	multimap mode
     is	active.	 When the drawmode is CURSORDRAW, getplanes always returns 0,
     since no direct drawing can be done into the cursor planes.

SEE ALSO    [Toc]    [Back]

     cmode, drawmode, doublebuffer, getgdesc, multimap,	onemap,	overlay,
     RGBmode, singlebuffer, underlay

NOTE    [Toc]    [Back]

     This routine is available only in immediate mode.


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