GetCPixel
#include <Quickdraw.h> Color Quickdraw
short horiz ; horizontal position, in local coordinates
short vert ; vertical coordinate
RGBColor *cPix ; color pixel at specified position GetCPixel obtains the RGB of a pixel associated with a coordinate pair. horiz and . . .
vert identify the pixel in question (which hangs below and to the
right of the specified point). These are expressed in the
color is the RGB color of the pixel.