Adds conversions to and from mint Point types.
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@ -6,6 +6,16 @@ use base::dimension::{DimName, DimNameAdd, DimNameSum, U1};
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use base::allocator::Allocator;
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use geometry::Point;
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#[cfg(feature = "mint")]
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use mint;
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#[cfg(feature = "mint")]
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use base::dimension::{U2, U3};
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#[cfg(feature = "mint")]
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use std::convert::{AsMut, AsRef, From, Into};
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#[cfg(feature = "mint")]
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use base::storage::{Storage, StorageMut};
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#[cfg(feature = "mint")]
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use std::mem;
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/*
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* This file provides the following conversions:
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@ -13,6 +23,8 @@ use geometry::Point;
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*
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* Point -> Point
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* Point -> Vector (homogeneous)
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*
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* mint::Point <-> Point
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*/
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impl<N1, N2, D> SubsetOf<Point<N2, D>> for Point<N1, D>
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@ -67,3 +79,57 @@ where
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Self::from_coordinates(::convert_unchecked(coords))
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}
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}
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#[cfg(feature = "mint")]
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macro_rules! impl_from_into_mint_1D(
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($($NRows: ident => $PT:ident, $VT:ident [$SZ: expr]);* $(;)*) => {$(
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impl<N> From<mint::$PT<N>> for Point<N, $NRows>
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where N: Scalar,
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DefaultAllocator: Allocator<N, $NRows> {
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#[inline]
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fn from(p: mint::$PT<N>) -> Self {
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Self {
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coords: VectorN::from(mint::$VT::from(p)),
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}
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}
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}
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impl<N> Into<mint::$PT<N>> for Point<N, $NRows>
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where N: Scalar {
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#[inline]
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fn into(self) -> mint::$PT<N> {
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let mint_vec: mint::$VT<N> = self.coords.into();
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mint::$PT::from(mint_vec)
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}
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}
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impl<N> AsRef<mint::$PT<N>> for Point<N, $NRows>
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where N: Scalar {
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#[inline]
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fn as_ref(&self) -> &mint::$PT<N> {
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unsafe {
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mem::transmute(self.coords.data.ptr())
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}
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}
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}
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impl<N> AsMut<mint::$PT<N>> for Point<N, $NRows>
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where N: Scalar {
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#[inline]
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fn as_mut(&mut self) -> &mut mint::$PT<N> {
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unsafe {
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mem::transmute(self.coords.data.ptr_mut())
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}
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}
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}
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)*}
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);
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// Implement for points of dimension 2, 3.
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#[cfg(feature = "mint")]
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impl_from_into_mint_1D!(
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U2 => Point2, Vector2[2];
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U3 => Point3, Vector3[3];
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);
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