fast image operations
fix debug_assert and add test for repeat
| -rw-r--r-- | Cargo.toml | 2 | ||||
| -rw-r--r-- | src/lib.rs | 10 | ||||
| -rw-r--r-- | src/overlay.rs | 5 |
3 files changed, 14 insertions, 3 deletions
@@ -1,6 +1,6 @@ [package] name = "fimg" -version = "0.3.3" +version = "0.3.4" authors = ["bend-n <[email protected]>"] license = "MIT" edition = "2021" @@ -372,3 +372,13 @@ macro_rules! img { } #[cfg(test)] use img; + +#[cfg(test)] +mod tests { + use super::*; + #[test] + fn repeat() { + let x: Image<&[u8], 3> = Image::build(8, 8).buf(include_bytes!("../benches/3_8x8.imgbuf")); + unsafe { x.repeated(128, 128) }; // repeat 16 times + } +} diff --git a/src/overlay.rs b/src/overlay.rs index fbc9b17..cb11d78 100644 --- a/src/overlay.rs +++ b/src/overlay.rs @@ -131,8 +131,9 @@ impl OverlayAt<Image<&[u8], 3>> for Image<&mut [u8], 3> { let o_x = ((j + y as usize) * self.width() as usize + x as usize) * 3 ..((j + y as usize) * self.width() as usize + x as usize + ($n as usize)) * 3; - debug_assert!(o_x.end < self.buffer().len()); - debug_assert!(i_x.end < with.buffer().len()); + // <= because ".." range + debug_assert!(o_x.end <= self.buffer().len()); + debug_assert!(i_x.end <= with.buffer().len()); // SAFETY: bounds are ✅ let a = unsafe { self.buffer.get_unchecked_mut(o_x) }; // SAFETY: we are in ⬜! |