EZ_QueryPixelValue | |
NAME
EZ_QueryPixelValue - query pixel value given locationSYNOPSIS
#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)