// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
// DO NOT EDIT

use glib::object::IsA;
use glib::translate::*;
use std::mem;

glib::wrapper! {
    /// The interface allows unified access to control flipping and autocenter
    /// operation of video-sources or operators.
    ///
    /// # Implements
    ///
    /// [`VideoOrientationExt`][trait@crate::prelude::VideoOrientationExt]
    #[doc(alias = "GstVideoOrientation")]
    pub struct VideoOrientation(Interface<ffi::GstVideoOrientation, ffi::GstVideoOrientationInterface>);

    match fn {
        type_ => || ffi::gst_video_orientation_get_type(),
    }
}

unsafe impl Send for VideoOrientation {}
unsafe impl Sync for VideoOrientation {}

pub const NONE_VIDEO_ORIENTATION: Option<&VideoOrientation> = None;

/// Trait containing all [`struct@VideoOrientation`] methods.
///
/// # Implementors
///
/// [`VideoOrientation`][struct@crate::VideoOrientation]
pub trait VideoOrientationExt: 'static {
    /// Get the horizontal centering offset from the given object.
    ///
    /// # Returns
    ///
    /// [`true`] in case the element supports centering
    ///
    /// ## `center`
    /// return location for the result
    #[doc(alias = "gst_video_orientation_get_hcenter")]
    #[doc(alias = "get_hcenter")]
    fn hcenter(&self) -> Option<i32>;

    /// Get the horizontal flipping state ([`true`] for flipped) from the given object.
    ///
    /// # Returns
    ///
    /// [`true`] in case the element supports flipping
    ///
    /// ## `flip`
    /// return location for the result
    #[doc(alias = "gst_video_orientation_get_hflip")]
    #[doc(alias = "get_hflip")]
    fn hflip(&self) -> Option<bool>;

    /// Get the vertical centering offset from the given object.
    ///
    /// # Returns
    ///
    /// [`true`] in case the element supports centering
    ///
    /// ## `center`
    /// return location for the result
    #[doc(alias = "gst_video_orientation_get_vcenter")]
    #[doc(alias = "get_vcenter")]
    fn vcenter(&self) -> Option<i32>;

    /// Get the vertical flipping state ([`true`] for flipped) from the given object.
    ///
    /// # Returns
    ///
    /// [`true`] in case the element supports flipping
    ///
    /// ## `flip`
    /// return location for the result
    #[doc(alias = "gst_video_orientation_get_vflip")]
    #[doc(alias = "get_vflip")]
    fn vflip(&self) -> Option<bool>;

    /// Set the horizontal centering offset for the given object.
    /// ## `center`
    /// centering offset
    ///
    /// # Returns
    ///
    /// [`true`] in case the element supports centering
    #[doc(alias = "gst_video_orientation_set_hcenter")]
    fn set_hcenter(&self, center: i32) -> Result<(), glib::error::BoolError>;

    /// Set the horizontal flipping state ([`true`] for flipped) for the given object.
    /// ## `flip`
    /// use flipping
    ///
    /// # Returns
    ///
    /// [`true`] in case the element supports flipping
    #[doc(alias = "gst_video_orientation_set_hflip")]
    fn set_hflip(&self, flip: bool) -> Result<(), glib::error::BoolError>;

    /// Set the vertical centering offset for the given object.
    /// ## `center`
    /// centering offset
    ///
    /// # Returns
    ///
    /// [`true`] in case the element supports centering
    #[doc(alias = "gst_video_orientation_set_vcenter")]
    fn set_vcenter(&self, center: i32) -> Result<(), glib::error::BoolError>;

    /// Set the vertical flipping state ([`true`] for flipped) for the given object.
    /// ## `flip`
    /// use flipping
    ///
    /// # Returns
    ///
    /// [`true`] in case the element supports flipping
    #[doc(alias = "gst_video_orientation_set_vflip")]
    fn set_vflip(&self, flip: bool) -> Result<(), glib::error::BoolError>;
}

impl<O: IsA<VideoOrientation>> VideoOrientationExt for O {
    fn hcenter(&self) -> Option<i32> {
        unsafe {
            let mut center = mem::MaybeUninit::uninit();
            let ret = from_glib(ffi::gst_video_orientation_get_hcenter(
                self.as_ref().to_glib_none().0,
                center.as_mut_ptr(),
            ));
            let center = center.assume_init();
            if ret {
                Some(center)
            } else {
                None
            }
        }
    }

    fn hflip(&self) -> Option<bool> {
        unsafe {
            let mut flip = mem::MaybeUninit::uninit();
            let ret = from_glib(ffi::gst_video_orientation_get_hflip(
                self.as_ref().to_glib_none().0,
                flip.as_mut_ptr(),
            ));
            let flip = flip.assume_init();
            if ret {
                Some(from_glib(flip))
            } else {
                None
            }
        }
    }

    fn vcenter(&self) -> Option<i32> {
        unsafe {
            let mut center = mem::MaybeUninit::uninit();
            let ret = from_glib(ffi::gst_video_orientation_get_vcenter(
                self.as_ref().to_glib_none().0,
                center.as_mut_ptr(),
            ));
            let center = center.assume_init();
            if ret {
                Some(center)
            } else {
                None
            }
        }
    }

    fn vflip(&self) -> Option<bool> {
        unsafe {
            let mut flip = mem::MaybeUninit::uninit();
            let ret = from_glib(ffi::gst_video_orientation_get_vflip(
                self.as_ref().to_glib_none().0,
                flip.as_mut_ptr(),
            ));
            let flip = flip.assume_init();
            if ret {
                Some(from_glib(flip))
            } else {
                None
            }
        }
    }

    fn set_hcenter(&self, center: i32) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib::result_from_gboolean!(
                ffi::gst_video_orientation_set_hcenter(self.as_ref().to_glib_none().0, center),
                "Failed to set horizontal centering"
            )
        }
    }

    fn set_hflip(&self, flip: bool) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib::result_from_gboolean!(
                ffi::gst_video_orientation_set_hflip(
                    self.as_ref().to_glib_none().0,
                    flip.into_glib()
                ),
                "Failed to set horizontal flipping"
            )
        }
    }

    fn set_vcenter(&self, center: i32) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib::result_from_gboolean!(
                ffi::gst_video_orientation_set_vcenter(self.as_ref().to_glib_none().0, center),
                "Failed to set vertical centering"
            )
        }
    }

    fn set_vflip(&self, flip: bool) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib::result_from_gboolean!(
                ffi::gst_video_orientation_set_vflip(
                    self.as_ref().to_glib_none().0,
                    flip.into_glib()
                ),
                "Failed to set vertical flipping"
            )
        }
    }
}