bendns' repos / remapper
Diffstat (limited to 'src/diffusion/sierra.rs')
-rw-r--r--src/diffusion/sierra.rs12
1 files changed, 3 insertions, 9 deletions
diff --git a/src/diffusion/sierra.rs b/src/diffusion/sierra.rs
index 4177f1b..c3f3a3a 100644
--- a/src/diffusion/sierra.rs
+++ b/src/diffusion/sierra.rs
@@ -7,9 +7,7 @@ pub fn sierra<const FAC: u8>(
let kd = map(palette);
let mut image =
Image::build(image.width(), image.height()).buf(image.buffer().to_vec().into_boxed_slice());
- let w = image.width();
- let h = image.height();
- for (x, y) in (0..h).flat_map(move |y| (0..w).map(move |x| (x, y))) {
+ for (x, y) in image.serpent() {
#[rustfmt::skip]
unsafe {
let p = image.pixel(x, y);
@@ -48,9 +46,7 @@ pub fn sierra_two<const FAC: u8>(
let kd = map(palette);
let mut image =
Image::build(image.width(), image.height()).buf(image.buffer().to_vec().into_boxed_slice());
- let w = image.width();
- let h = image.height();
- for (x, y) in (0..h).flat_map(move |y| (0..w).map(move |x| (x, y))) {
+ for (x, y) in image.serpent() {
#[rustfmt::skip]
unsafe {
let p = image.pixel(x, y);
@@ -84,9 +80,7 @@ pub fn sierra_lite<const FAC: u8>(
let kd = map(palette);
let mut image =
Image::build(image.width(), image.height()).buf(image.buffer().to_vec().into_boxed_slice());
- let w = image.width();
- let h = image.height();
- for (x, y) in (0..h).flat_map(move |y| (0..w).map(move |x| (x, y))) {
+ for (x, y) in image.serpent() {
#[rustfmt::skip]
unsafe {
let p = image.pixel(x, y);