EZ_QueryPixelValue


NAME

EZ_QueryPixelValue - query pixel value given location

SYNOPSIS

#include <EZ.h> int EZ_QueryPixelValue( EZ_Widgetwidget, int x, int y, unsigned long *pv);

ARGUMENTS

widget Specifies an EZ widget. x, y Specifies a location. pv Specifies the pixel value return.

DESCRIPTION

EZ_QueryPixelValue returns the pixel value of the speci- fied location of the widget window. If widget is not view- able. It returns 0. Otherwise, it returns the pixel value to pv and returns 1.

SEE ALSO

EZ_PixelValue2RGB(3)