maplibre_native 0.8.7

Rust bindings to the MapLibre Native map rendering engine
Documentation 
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use sealed::IntoLayer;

use crate::bridge::{ffi, layers};
use crate::style::{AnyLayer, CircleLayer, FillLayer, LineLayer, OpaqueLayer, SymbolLayer};

mod sealed {
    use crate::bridge::ffi;

    pub trait IntoLayer {
        fn layer_id(&self) -> &str;
        fn into_layer(self) -> cxx::UniquePtr<ffi::CxxLayer>;
    }
}

/// A style layer type that can be added to a [`StyleRef`](crate::StyleRef).
///
/// This trait is sealed; only layer types provided by this crate can implement
/// it.
pub trait Layer: IntoLayer {}

impl IntoLayer for CircleLayer {
    fn layer_id(&self) -> &str {
        self.layer_id()
    }

    fn into_layer(self) -> cxx::UniquePtr<ffi::CxxLayer> {
        layers::circle_into_layer(self.into_inner())
    }
}

impl Layer for CircleLayer {}

impl IntoLayer for FillLayer {
    fn layer_id(&self) -> &str {
        self.layer_id()
    }

    fn into_layer(self) -> cxx::UniquePtr<ffi::CxxLayer> {
        layers::fill_into_layer(self.into_inner())
    }
}

impl Layer for FillLayer {}

impl IntoLayer for LineLayer {
    fn layer_id(&self) -> &str {
        self.layer_id()
    }

    fn into_layer(self) -> cxx::UniquePtr<ffi::CxxLayer> {
        layers::line_into_layer(self.into_inner())
    }
}

impl Layer for LineLayer {}

impl IntoLayer for SymbolLayer {
    fn layer_id(&self) -> &str {
        self.layer_id()
    }

    fn into_layer(self) -> cxx::UniquePtr<ffi::CxxLayer> {
        layers::symbol_into_layer(self.into_inner())
    }
}

impl Layer for SymbolLayer {}

impl IntoLayer for OpaqueLayer {
    fn layer_id(&self) -> &str {
        self.layer_id()
    }

    fn into_layer(self) -> cxx::UniquePtr<ffi::CxxLayer> {
        self.into_inner()
    }
}

impl Layer for OpaqueLayer {}

impl IntoLayer for AnyLayer {
    fn layer_id(&self) -> &str {
        self.layer_id()
    }

    fn into_layer(self) -> cxx::UniquePtr<ffi::CxxLayer> {
        self.into_layer_ptr()
    }
}

impl Layer for AnyLayer {}