Legacy Document

Inside Macintosh: Advanced Color Imaging Reference /

Chapter 2 - Color Picker Manager Reference /

Color Picker Manager Functions / Converting Colors Among Color Models

RGB2CMY

Converts an RGB color to a CMY color.

pascal void RGB2CMY (const RGBColor *rColor, 
CMYColor *cColor);

rColor

A pointer to a Color QuickDraw RGBColor structure specifying the RGB color to be converted.

cColor

A pointer to a CMYColor structure (page 2-34). On output, the converted color.

DISCUSSION

The RGB2CMY function converts the RGB color specified in the rColor parameter to the CMY color pointed to in the cColor parameter.