bite-gp-types 1.25.201

//! GPU-facing scene primitives shared between GPUI and its platform backends.

use crate::{Bounds, Corners, Hsla, Pixels, ScaledPixels};
use core::fmt::Debug;

/// The order in which a primitive is painted within a frame.
///
/// Primitives with a lower order are painted behind those with a higher order.
pub type DrawOrder = u32;

/// Indicates which region of the window is visible. Content falling outside of this mask will not be
/// rendered. Currently, only rectangular content masks are supported, but we give the mask its own type
/// to leave room to support more complex shapes in the future.
#[derive(Copy, Clone, Debug, Default, PartialEq, Eq)]
#[repr(C)]
pub struct ContentMask<P: Clone + Debug + Default + PartialEq> {
    /// The bounds
    pub bounds: Bounds<P>,
}

impl ContentMask<Pixels> {
    /// Scale the content mask's pixel units by the given scaling factor.
    pub fn scale(&self, factor: f32) -> ContentMask<ScaledPixels> {
        ContentMask {
            bounds: self.bounds.scale(factor),
        }
    }

    /// Intersect the content mask with the given content mask.
    pub fn intersect(&self, other: &Self) -> Self {
        let bounds = self.bounds.intersect(&other.bounds);
        ContentMask { bounds }
    }
}

#[derive(Debug, Copy, Clone)]
#[repr(C)]
#[expect(missing_docs)]
pub struct Shadow {
    pub order: DrawOrder,
    pub blur_radius: ScaledPixels,
    pub bounds: Bounds<ScaledPixels>,
    pub corner_radii: Corners<ScaledPixels>,
    pub content_mask: ContentMask<ScaledPixels>,
    pub color: Hsla,
    pub element_bounds: Bounds<ScaledPixels>,
    pub element_corner_radii: Corners<ScaledPixels>,
    /// 0 = drop shadow (rendered outside the element), 1 = inset shadow (rendered inside).
    pub inset: u32,
    pub pad: u32, // align to 8 bytes
}