bendns' repos / fimg
fast image operations
Diffstat (limited to 'src/slicing.rs')
-rw-r--r--src/slicing.rs51
1 files changed, 0 insertions, 51 deletions
diff --git a/src/slicing.rs b/src/slicing.rs
deleted file mode 100644
index 86924d3..0000000
--- a/src/slicing.rs
+++ /dev/null
@@ -1,51 +0,0 @@
-use std::ops::{Range, RangeBounds, RangeInclusive};
-
-use crate::Image;
-
-impl<const CHANNELS: usize, T> Image<T, CHANNELS> {
- /// ```
- /// let i = fimg::Image::<_, 1>::alloc(5, 5);
- /// dbg!(i.bounds((0, 0)..(6, 0)));
- /// panic!();
- /// ```
- pub fn bounds<U>(&self, r: impl PBounds) -> std::ops::Range<usize>
- where
- T: AsRef<[U]>,
- {
- let r = r.bound();
- let start = match r.start_bound() {
- std::ops::Bound::Included(&(x, y)) => self.at(x, y),
- std::ops::Bound::Excluded(&(x, y)) => self.at(x, y) + CHANNELS,
- std::ops::Bound::Unbounded => 0,
- };
- let end = match r.end_bound() {
- std::ops::Bound::Included(&(x, y)) => self.at(x, y) + CHANNELS,
- std::ops::Bound::Excluded(&(x, y)) => self.at(x, y),
- std::ops::Bound::Unbounded => self.buffer.as_ref().len(),
- };
- start..end
- }
-}
-pub trait PBounds {
- fn bound(self) -> impl RangeBounds<(u32, u32)>;
-}
-impl PBounds for Range<(u32, u32)> {
- fn bound(self) -> impl RangeBounds<(u32, u32)> {
- self
- }
-}
-impl PBounds for RangeInclusive<(u32, u32)> {
- fn bound(self) -> impl RangeBounds<(u32, u32)> {
- self
- }
-}
-impl PBounds for (Range<u32>, u32) {
- fn bound(self) -> impl RangeBounds<(u32, u32)> {
- (self.0.start, self.1)..(self.0.end, self.1)
- }
-}
-impl PBounds for (u32, Range<u32>) {
- fn bound(self) -> impl RangeBounds<(u32, u32)> {
- (self.0, self.1.start)..(self.0, self.1.end)
- }
-}