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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/exr/src/image/pixel_vec.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
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-rw-r--r--vendor/exr/src/image/pixel_vec.rs97
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diff --git a/vendor/exr/src/image/pixel_vec.rs b/vendor/exr/src/image/pixel_vec.rs
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--- a/vendor/exr/src/image/pixel_vec.rs
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-
-//! Provides a predefined pixel storage.
-//! Currently only contains a simple flattened vector storage.
-//! Use the functions `create_pixel_vec::<YourPixelTuple>` and
-//! `set_pixel_in_vec::<YourPixelTuple>` for reading a predefined pixel vector.
-//! Use the function `PixelVec::new` to create a pixel vector which can be written to a file.
-
-use super::*;
-
-/// Store all samples in a single array.
-/// All samples will be converted to the type `T`.
-/// This supports all the sample types, `f16`, `f32`, and `u32`.
-///
-/// The flattened vector contains all rows one after another.
-/// In each row, for each pixel, its red, green, blue, and then alpha
-/// samples are stored one after another.
-///
-/// Use `PixelVec.compute_pixel_index(position)`
-/// to compute the flat index of a specific pixel.
-#[derive(Eq, PartialEq, Clone)]
-pub struct PixelVec<T> {
-
- /// The resolution of this layer.
- pub resolution: Vec2<usize>,
-
- /// The flattened vector contains all rows one after another.
- /// In each row, for each pixel, its red, green, blue, and then alpha
- /// samples are stored one after another.
- ///
- /// Use `Flattened::compute_pixel_index(image, position)`
- /// to compute the flat index of a specific pixel.
- pub pixels: Vec<T>,
-}
-
-impl<Pixel> PixelVec<Pixel> {
-
- /// Create a new flattened pixel storage, filled with default pixels.
- /// Accepts a `Channels` parameter, which is not used, so that it can be passed as a function pointer instead of calling it.
- pub fn constructor<Channels>(resolution: Vec2<usize>, _: &Channels) -> Self where Pixel: Default + Clone {
- PixelVec { resolution, pixels: vec![Pixel::default(); resolution.area()] }
- }
-
- /// Examine a pixel of a `PixelVec<T>` image.
- /// Can usually be used as a function reference instead of calling it directly.
- #[inline]
- pub fn get_pixel(&self, position: Vec2<usize>) -> &Pixel where Pixel: Sync {
- &self.pixels[self.compute_pixel_index(position)]
- }
-
- /// Update a pixel of a `PixelVec<T>` image.
- /// Can usually be used as a function reference instead of calling it directly.
- #[inline]
- pub fn set_pixel(&mut self, position: Vec2<usize>, pixel: Pixel) {
- let index = self.compute_pixel_index(position);
- self.pixels[index] = pixel;
- }
-
- /// Create a new flattened pixel storage, checking the length of the provided pixels vector.
- pub fn new(resolution: impl Into<Vec2<usize>>, pixels: Vec<Pixel>) -> Self {
- let size = resolution.into();
- assert_eq!(size.area(), pixels.len(), "expected {} samples, but vector length is {}", size.area(), pixels.len());
- Self { resolution: size, pixels }
- }
-
- /// Compute the flat index of a specific pixel. Returns a range of either 3 or 4 samples.
- /// The computed index can be used with `PixelVec.samples[index]`.
- /// Panics for invalid sample coordinates.
- #[inline]
- pub fn compute_pixel_index(&self, position: Vec2<usize>) -> usize {
- position.flat_index_for_size(self.resolution)
- }
-}
-
-use crate::image::validate_results::{ValidateResult, ValidationResult};
-
-impl<Px> ValidateResult for PixelVec<Px> where Px: ValidateResult {
- fn validate_result(&self, other: &Self, options: ValidationOptions, location: impl Fn() -> String) -> ValidationResult {
- if self.resolution != other.resolution { Err(location() + " > resolution") }
- else { self.pixels.as_slice().validate_result(&other.pixels.as_slice(), options, || location() + " > pixels") }
- }
-}
-
-impl<Px> GetPixel for PixelVec<Px> where Px: Clone + Sync {
- type Pixel = Px;
- fn get_pixel(&self, position: Vec2<usize>) -> Self::Pixel {
- self.get_pixel(position).clone()
- }
-}
-
-use std::fmt::*;
-
-impl<T> Debug for PixelVec<T> {
- #[inline] fn fmt(&self, formatter: &mut Formatter<'_>) -> std::fmt::Result {
- write!(formatter, "[{}; {}]", std::any::type_name::<T>(), self.pixels.len())
- }
-}
-