DragonFly On-Line Manual Pages

EZ_QueryPixelValue(3)           EZWGL Functions          EZ_QueryPixelValue(3)

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 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 ALSO
       EZ_PixelValue2RGB(3)

EZWGL                                                    EZ_QueryPixelValue(3)