dmParamsGetIntRange(3dm)			      dmParamsGetIntRange(3dm)

NAME    [Toc]    [Back]

     dmParamsGetIntRange, dmParamsGetFloatRange, dmParamsGetFractRange - get
     ranges of values from digital media parameter/value lists

SYNOPSIS    [Toc]    [Back]

     #include <dmedia/dm_params.h>

     const DMintrange* dmParamsGetIntRange
	   ( const DMparams* params,
	     const char* paramName )

     const DMfloatrange* dmParamsGetFloatRange
	   ( const DMparams* params,
	     const char* paramName )

     const DMfractionrange* dmParamsGetFractRange
	   ( const DMparams* params,
	     const char* paramName )

DESCRIPTION    [Toc]    [Back]

     These functions all retrieve values stored	in a parameter/value list.
     They assume that the named	parameter is present and is of the specified
     type; the debugging version of the	library	asserts	that this is the case.
     The value,	or a pointer to	it is returned.

     The returned range	points to the internal data structure of the parameter
     list, and is owned	by the parameter list.	It should never	be freed, and
     is	only guaranteed	to remain valid	until the next time the	list is
     changed.  In general, if you need to keep the range around	after getting
     it	from a parameter/value list, it	should be copied.

SEE ALSO    [Toc]    [Back]

     dmParams(3dm), dmParamsSetIntRange(3dm), dmParamsGetNumElems(3dm),
     dmSetImageDefaults(3dm), dmSetAudioDefaults(3dm).


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