Inside Macintosh: Advanced Color Imaging Reference /

Chapter 2 - Color Picker Manager Reference /

Color Picker Manager Functions / Converting Colors Among Color Models

RGB2HSV

Converts an RGB color to an HSV color.

pascal void RGB2HSV (const RGBColor *rColor, 
HSVColor *hColor);

rColor

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

hColor

A pointer to an HSVColor structure (page 2-33). On output, the converted color.

DISCUSSION

The RGB2HSV function converts the RGB color specified in the rColor parameter to the HSV color pointed to in the hColor parameter.