screen_set_effect_property_fv()

Set the value of the specified effect property of type floating-point.

Synopsis:

#include <screen/screen.h>
 
int screen_set_effect_property_fv(screen_window_t win, int pname, const float *param)

Arguments:

win

The handle of the window whose effect property is to be set.

pname

The name of the property whose value is being set. The properties that you can set are of type Screen_Effect_Property_Types.

param

A pointer to a buffer containing the new value(s). This buffer must be of type float.

Library:

libscreen

Description:

Function Type: Delayed Execution

This function sets the value of a effect property from a user-provided buffer.

Currently there are no effect properties that can be set using this function.

Returns:

0 if the value(s) of the property was set to new value(s), or -1 if an error occurred (errno is set).