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use crate::{ActorMeta, Effect, OffscreenEffect};
use glib::{
object as gobject,
object::{Cast, ObjectType as ObjectType_},
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::boxed::Box as Box_;
use std::mem::transmute;
use std::{fmt, mem};
glib_wrapper! {
pub struct BrightnessContrastEffect(Object<ffi::ClutterBrightnessContrastEffect, ffi::ClutterBrightnessContrastEffectClass, BrightnessContrastEffectClass>) @extends OffscreenEffect, Effect, ActorMeta, gobject::InitiallyUnowned;
match fn {
get_type => || ffi::clutter_brightness_contrast_effect_get_type(),
}
}
impl BrightnessContrastEffect {
/// Creates a new `BrightnessContrastEffect` to be used with
/// `ActorExt::add_effect`
///
/// # Returns
///
/// the newly created
/// `BrightnessContrastEffect` or `None`. Use `gobject::ObjectExt::unref` when
/// done.
pub fn new() -> BrightnessContrastEffect {
unsafe {
Effect::from_glib_full(ffi::clutter_brightness_contrast_effect_new()).unsafe_cast()
}
}
/// Retrieves the change in brightness used by `self`.
/// ## `red`
/// return location for red component of the
/// change in brightness
/// ## `green`
/// return location for green component of the
/// change in brightness
/// ## `blue`
/// return location for blue component of the
/// change in brightness
pub fn get_brightness(&self) -> (f32, f32, f32) {
unsafe {
let mut red = mem::MaybeUninit::uninit();
let mut green = mem::MaybeUninit::uninit();
let mut blue = mem::MaybeUninit::uninit();
ffi::clutter_brightness_contrast_effect_get_brightness(
self.to_glib_none().0,
red.as_mut_ptr(),
green.as_mut_ptr(),
blue.as_mut_ptr(),
);
let red = red.assume_init();
let green = green.assume_init();
let blue = blue.assume_init();
(red, green, blue)
}
}
/// Retrieves the contrast value used by `self`.
/// ## `red`
/// return location for red component of the
/// change in contrast
/// ## `green`
/// return location for green component of the
/// change in contrast
/// ## `blue`
/// return location for blue component of the
/// change in contrast
pub fn get_contrast(&self) -> (f32, f32, f32) {
unsafe {
let mut red = mem::MaybeUninit::uninit();
let mut green = mem::MaybeUninit::uninit();
let mut blue = mem::MaybeUninit::uninit();
ffi::clutter_brightness_contrast_effect_get_contrast(
self.to_glib_none().0,
red.as_mut_ptr(),
green.as_mut_ptr(),
blue.as_mut_ptr(),
);
let red = red.assume_init();
let green = green.assume_init();
let blue = blue.assume_init();
(red, green, blue)
}
}
/// The range of `brightness` is [-1.0, 1.0], where 0.0 designates no change;
/// a value below 0.0 indicates a decrease in brightness; and a value
/// above 0.0 indicates an increase of brightness.
/// ## `brightness`
/// the brightness change for all three components (r, g, b)
pub fn set_brightness(&self, brightness: f32) {
unsafe {
ffi::clutter_brightness_contrast_effect_set_brightness(
self.to_glib_none().0,
brightness,
);
}
}
/// The range for each component is [-1.0, 1.0] where 0.0 designates no change,
/// values below 0.0 mean a decrease in brightness, and values above indicate
/// an increase.
/// ## `red`
/// red component of the change in brightness
/// ## `green`
/// green component of the change in brightness
/// ## `blue`
/// blue component of the change in brightness
pub fn set_brightness_full(&self, red: f32, green: f32, blue: f32) {
unsafe {
ffi::clutter_brightness_contrast_effect_set_brightness_full(
self.to_glib_none().0,
red,
green,
blue,
);
}
}
/// The range for `contrast` is [-1.0, 1.0], where 0.0 designates no change;
/// a value below 0.0 indicates a decrease in contrast; and a value above
/// 0.0 indicates an increase.
/// ## `contrast`
/// contrast change for all three channels
pub fn set_contrast(&self, contrast: f32) {
unsafe {
ffi::clutter_brightness_contrast_effect_set_contrast(self.to_glib_none().0, contrast);
}
}
/// The range for each component is [-1.0, 1.0] where 0.0 designates no change,
/// values below 0.0 mean a decrease in contrast, and values above indicate
/// an increase.
/// ## `red`
/// red component of the change in contrast
/// ## `green`
/// green component of the change in contrast
/// ## `blue`
/// blue component of the change in contrast
pub fn set_contrast_full(&self, red: f32, green: f32, blue: f32) {
unsafe {
ffi::clutter_brightness_contrast_effect_set_contrast_full(
self.to_glib_none().0,
red,
green,
blue,
);
}
}
pub fn connect_property_brightness_notify<F: Fn(&BrightnessContrastEffect) + 'static>(
&self,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn notify_brightness_trampoline<
F: Fn(&BrightnessContrastEffect) + 'static,
>(
this: *mut ffi::ClutterBrightnessContrastEffect,
_param_spec: glib_sys::gpointer,
f: glib_sys::gpointer,
) {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this))
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::brightness\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
notify_brightness_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
pub fn connect_property_contrast_notify<F: Fn(&BrightnessContrastEffect) + 'static>(
&self,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn notify_contrast_trampoline<
F: Fn(&BrightnessContrastEffect) + 'static,
>(
this: *mut ffi::ClutterBrightnessContrastEffect,
_param_spec: glib_sys::gpointer,
f: glib_sys::gpointer,
) {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this))
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::contrast\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
notify_contrast_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl Default for BrightnessContrastEffect {
fn default() -> Self {
Self::new()
}
}
impl fmt::Display for BrightnessContrastEffect {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "BrightnessContrastEffect")
}
}