dmColorSetDefaultAlpha(3dm)			   dmColorSetDefaultAlpha(3dm)

NAME    [Toc]    [Back]

     dmColorSetDefaultAlpha, dmColorGetDefaultAlpha - set/get the default
     alpha value of the	source image.

SYNOPSIS    [Toc]    [Back]

     #include <dmedia/dm_color.h>

     DMstatus dmColorSetDefaultAlpha (const DMcolorconverter converter,
				      const float	     defaultAlpha);
     DMstatus dmColorGetDefaultAlpha (const DMcolorconverter converter,
					    float	    *defaultAlpha);

PARAMETERS    [Toc]    [Back]

     DMcolorconverter converter
	  The converter	upon which the action is to be applied.

     float defaultAlpha
	  The default alpha value.

RETURNED VALUE    [Toc]    [Back]

     DM_COLOR_ERROR_NONE	       if operation is successful.
     DM_COLOR_ERROR_INVALID_CONVERTER  if the converter	is invalid.

DESCRIPTION    [Toc]    [Back]

     Sets the default alpha value of the source	image.	This is	the alpha
     value used	if no specific alpha exists for	each pixel.  For example, a
     default alpha is required when converting from CbYCrY to ABGR.

SEE ALSO    [Toc]    [Back]

     dmColor(3dm) dmColorConvert(3dm)


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