Inside Macintosh: QuickDraw GX Environment and Utilities /

Chapter 8 - QuickDraw GX Mathematics / QuickDraw GX Mathematics Reference

Number-Conversion Macros / Format Conversions

FractToColor

You can use the FractToColor macro to convert a fract number to a gxColorValue number.

#define FractToColor(a) ((gxColorValue)((a)-((a)>>16)+8191>>14))

a

A fract number to be converted to a gxColorValue number.

macro result

The closest gxColorValue number to the fract number.