dmColorSetDefaultAlpha(3dm)                        dmColorSetDefaultAlpha(3dm)


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

SYNOPSIS
     #include <dmedia/dm_color.h>

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

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

     float defaultAlpha
          The default alpha value.

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

DESCRIPTION
     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
     dmColor(3dm) dmColorConvert(3dm)


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