bendns' repos / fimg
fast image operations
Diffstat (limited to 'src/affine.rs')
-rw-r--r--src/affine.rs14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/affine.rs b/src/affine.rs
index b0152a5..9fc7b3c 100644
--- a/src/affine.rs
+++ b/src/affine.rs
@@ -10,16 +10,17 @@ impl<const CHANNELS: usize> ImageCloner<'_, CHANNELS> {
/// ```
#[must_use = "function does not modify the original image"]
pub fn flip_v(&self) -> Image<Vec<u8>, CHANNELS> {
- let mut out = self.alloc();
+ let mut out = self.uninit();
for y in 0..self.height() {
for x in 0..self.width() {
// SAFETY: looping over self, all ok (could be safe versions, bounds would be elided)
let p = unsafe { self.pixel(x, y) };
// SAFETY: looping over self.
- unsafe { out.set_pixel(x, self.height() - y - 1, p) };
+ unsafe { out.write(&p, (x, self.height() - y - 1)) };
}
}
- out
+ // SAFETY: init
+ unsafe { out.assume_init() }
}
/// Flip an image horizontally
@@ -30,16 +31,17 @@ impl<const CHANNELS: usize> ImageCloner<'_, CHANNELS> {
/// ```
#[must_use = "function does not modify the original image"]
pub fn flip_h(&self) -> Image<Vec<u8>, CHANNELS> {
- let mut out = self.alloc();
+ let mut out = self.uninit();
for y in 0..self.height() {
for x in 0..self.width() {
// SAFETY: looping over self, all ok
let p = unsafe { self.pixel(x, y) };
// SAFETY: looping over self, all ok
- unsafe { out.set_pixel(self.width() - x - 1, y, p) };
+ unsafe { out.write(&p, (self.width() - x - 1, y)) };
}
}
- out
+ // SAFETY: init
+ unsafe { out.assume_init() }
}
}