From a0f555439e01e1f4e8d5cea7ed0eaaa10583958c Mon Sep 17 00:00:00 2001
From: bendn <bend.n@outlook.com>
Date: Wed, 4 Oct 2023 11:32:03 +0700
Subject: [PATCH] add Image::boxed

---
 benches/drawing.rs |  6 +++---
 src/lib.rs         | 16 ++++++++++++++++
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/benches/drawing.rs b/benches/drawing.rs
index b0668d3..8375bf3 100644
--- a/benches/drawing.rs
+++ b/benches/drawing.rs
@@ -1,7 +1,7 @@
 use fimg::*;
 fn tri() {
-    let mut i: Image<_, 4> = fimg::make!(4 channels 1000 x 1000);
-    i.as_mut()
-        .tri((0., 0.), (1000., 500.), (0., 999.), [255, 255, 255, 255]);
+    let mut i: Image<_, 4> = fimg::make!(4 channels 1000 x 1000).boxed();
+    i.tri((0., 0.), (1000., 500.), (0., 999.), [255, 255, 255, 255]);
+    std::hint::black_box(i);
 }
 iai::main!(tri);
diff --git a/src/lib.rs b/src/lib.rs
index bb08357..40f3bbe 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -243,6 +243,22 @@ impl<const CHANNELS: usize> Image<&[u8], CHANNELS> {
     }
 }
 
+impl<const CHANNELS: usize, const N: usize> Image<[u8; N], CHANNELS> {
+    /// Box this array image.
+    pub fn boxed(self) -> Image<Box<[u8]>, CHANNELS> {
+        // SAFETY: ctor
+        unsafe { Image::new(self.width, self.height, Box::new(self.buffer)) }
+    }
+}
+
+impl<const CHANNELS: usize> Image<Vec<u8>, CHANNELS> {
+    /// Box this owned image.
+    pub fn boxed(self) -> Image<Box<[u8]>, CHANNELS> {
+        // SAFETY: ctor
+        unsafe { Image::new(self.width, self.height, self.buffer.into_boxed_slice()) }
+    }
+}
+
 #[macro_export]
 /// Create a <code>[Image]<[[u8]; N], C></code> with ease. If your looking for a <code>[Image]<&'static [[u8]]></code>, try [`Image::make`].
 ///