Newton Developer Technical Information: Newton Programmer's Guide: 2.1 OS Addendum /

Chapter 6 - Drawing and Graphics 2.1 / Drawing and Graphics Reference

Functions and Methods /

GetRed

GetRed (packedRGB)

Returns the value of the packedRGB argument's red component.

packedRGB

A packed integer representation of an RGB color.

return value

An integer in the range [0,65535].

SPECIAL CONSIDERATIONS

*GetRed(*PackRGB(r,g,b)) might not return r. It is only guaranteed that this function call will return an integer close to r.