EZ_QueryPixelValue(3) EZWGL Functions EZ_QueryPixelValue(3)NAMEEZ_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.
DESCRIPTIONEZ_QueryPixelValue returns the pixel value of the specified location of
the widget window. If widget is not viewable. It returns 0. Otherwise,
it returns the pixel value to pv and returns 1.
SEE ALSOEZ_PixelValue2RGB(3)EZWGLEZ_QueryPixelValue(3)