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8fdecaa487
* Rename within files * Rename in CI * Rename the folder and file names * Rename raw_rs to rawkit * Add example to README * Add initial documentation * Small API changes and extra documentation * Bump versions and stuff * Readme improvements * Merge proc-macro crates into one * Add README to rawkit-proc-macros * Remove keywords and categories * Add licenses to rawkit-proc-macros --------- Co-authored-by: Keavon Chambers <keavon@keavon.com>
83 lines
2 KiB
Rust
83 lines
2 KiB
Rust
use crate::CHANNELS_IN_RGB;
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#[derive(Clone, Copy)]
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pub struct RawPixel {
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pub value: u16,
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pub row: usize,
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pub column: usize,
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}
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#[derive(Clone, Copy)]
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pub struct Pixel {
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pub values: [u16; CHANNELS_IN_RGB],
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pub row: usize,
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pub column: usize,
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}
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pub trait RawPixelTransform {
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fn apply(&mut self, pixel: RawPixel) -> u16;
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}
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impl<T: Fn(RawPixel) -> u16> RawPixelTransform for T {
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fn apply(&mut self, pixel: RawPixel) -> u16 {
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self(pixel)
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}
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}
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macro_rules! impl_raw_pixel_transform {
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($($idx:tt $t:tt),+) => {
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impl<$($t,)+> RawPixelTransform for ($($t,)+)
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where
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$($t: RawPixelTransform,)+
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{
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fn apply(&mut self, mut pixel: RawPixel) -> u16 {
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$(pixel.value = self.$idx.apply(pixel);)*
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pixel.value
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}
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}
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};
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}
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impl_raw_pixel_transform!(0 A);
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impl_raw_pixel_transform!(0 A, 1 B);
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impl_raw_pixel_transform!(0 A, 1 B, 2 C);
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impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D);
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impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E);
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impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F);
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impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G);
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impl_raw_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G, 7 H);
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pub trait PixelTransform {
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fn apply(&mut self, pixel: Pixel) -> [u16; CHANNELS_IN_RGB];
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}
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impl<T: Fn(Pixel) -> [u16; CHANNELS_IN_RGB]> PixelTransform for T {
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fn apply(&mut self, pixel: Pixel) -> [u16; CHANNELS_IN_RGB] {
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self(pixel)
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}
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}
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macro_rules! impl_pixel_transform {
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($($idx:tt $t:tt),+) => {
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impl<$($t,)+> PixelTransform for ($($t,)+)
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where
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$($t: PixelTransform,)+
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{
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fn apply(&mut self, mut pixel: Pixel) -> [u16; CHANNELS_IN_RGB] {
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$(pixel.values = self.$idx.apply(pixel);)*
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pixel.values
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}
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}
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};
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}
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impl_pixel_transform!(0 A);
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impl_pixel_transform!(0 A, 1 B);
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impl_pixel_transform!(0 A, 1 B, 2 C);
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impl_pixel_transform!(0 A, 1 B, 2 C, 3 D);
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impl_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E);
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impl_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F);
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impl_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G);
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impl_pixel_transform!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G, 7 H);
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