| use crate::CHANNELS_IN_RGB; |
|
|
| #[derive(Clone, Copy)] |
| pub struct RawPixel { |
| pub value: u16, |
| pub row: usize, |
| pub column: usize, |
| } |
|
|
| #[derive(Clone, Copy)] |
| pub struct Pixel { |
| pub values: [u16; CHANNELS_IN_RGB], |
| pub row: usize, |
| pub column: usize, |
| } |
|
|
| pub trait RawPixelTransform { |
| fn apply(&mut self, pixel: RawPixel) -> u16; |
| } |
|
|
| impl<T: Fn(RawPixel) -> u16> RawPixelTransform for T { |
| fn apply(&mut self, pixel: RawPixel) -> u16 { |
| self(pixel) |
| } |
| } |
|
|
| macro_rules! impl_raw_pixel_transform { |
| ($($idx:tt $t:tt),+) => { |
| impl<$($t,)+> RawPixelTransform for ($($t,)+) |
| where |
| $($t: RawPixelTransform,)+ |
| { |
| fn apply(&mut self, mut pixel: RawPixel) -> u16 { |
| $(pixel.value = self.$idx.apply(pixel);)* |
|
|
| pixel.value |
| } |
| } |
| }; |
| } |
|
|
| impl_raw_pixel_transform!(0 A); |
| impl_raw_pixel_transform!(0 A, 1 B); |
| impl_raw_pixel_transform!(0 A, 1 B, 2 C); |
| impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D); |
| impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E); |
| impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F); |
| impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G); |
| impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G, 7 H); |
|
|
| pub trait PixelTransform { |
| fn apply(&mut self, pixel: Pixel) -> [u16; CHANNELS_IN_RGB]; |
| } |
|
|
| impl<T: Fn(Pixel) -> [u16; CHANNELS_IN_RGB]> PixelTransform for T { |
| fn apply(&mut self, pixel: Pixel) -> [u16; CHANNELS_IN_RGB] { |
| self(pixel) |
| } |
| } |
|
|
| macro_rules! impl_pixel_transform { |
| ($($idx:tt $t:tt),+) => { |
| impl<$($t,)+> PixelTransform for ($($t,)+) |
| where |
| $($t: PixelTransform,)+ |
| { |
| fn apply(&mut self, mut pixel: Pixel) -> [u16; CHANNELS_IN_RGB] { |
| $(pixel.values = self.$idx.apply(pixel);)* |
|
|
| pixel.values |
| } |
| } |
| }; |
| } |
|
|
| impl_pixel_transform!(0 A); |
| impl_pixel_transform!(0 A, 1 B); |
| impl_pixel_transform!(0 A, 1 B, 2 C); |
| impl_pixel_transform!(0 A, 1 B, 2 C, 3 D); |
| impl_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E); |
| impl_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F); |
| impl_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G); |
| impl_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G, 7 H); |
|
|
