From a990de90fe41456a23e58bd087d2f107d321f3a1 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Fri, 19 Jul 2024 16:37:58 +0400 Subject: Deleted vendor folder --- vendor/exr/src/image/write/layers.rs | 188 ----------------------------------- 1 file changed, 188 deletions(-) delete mode 100644 vendor/exr/src/image/write/layers.rs (limited to 'vendor/exr/src/image/write/layers.rs') diff --git a/vendor/exr/src/image/write/layers.rs b/vendor/exr/src/image/write/layers.rs deleted file mode 100644 index 85648ff..0000000 --- a/vendor/exr/src/image/write/layers.rs +++ /dev/null @@ -1,188 +0,0 @@ -//! How to write either a single or a list of layers. - -use crate::meta::header::{ImageAttributes, Header}; -use crate::meta::{Headers, compute_chunk_count}; -use crate::block::BlockIndex; -use crate::image::{Layers, Layer}; -use crate::meta::attribute::{TileDescription}; -use crate::prelude::{SmallVec}; -use crate::image::write::channels::{WritableChannels, ChannelsWriter}; -use crate::image::recursive::{Recursive, NoneMore}; - -/// Enables an image containing this list of layers to be written to a file. -pub trait WritableLayers<'slf> { - - /// Generate the file meta data for this list of layers - fn infer_headers(&self, image_attributes: &ImageAttributes) -> Headers; - - /// The type of temporary writer - type Writer: LayersWriter; - - /// Create a temporary writer for this list of layers - fn create_writer(&'slf self, headers: &[Header]) -> Self::Writer; -} - -/// A temporary writer for a list of channels -pub trait LayersWriter: Sync { - - /// Deliver a block of pixels from a single layer to be stored in the file - fn extract_uncompressed_block(&self, headers: &[Header], block: BlockIndex) -> Vec; -} - -/// A temporary writer for an arbitrary list of layers -#[derive(Debug, Clone, Eq, PartialEq)] -pub struct AllLayersWriter { - layers: SmallVec<[LayerWriter; 2]> -} - -/// A temporary writer for a single layer -#[derive(Debug, Clone, Eq, PartialEq)] -pub struct LayerWriter { - channels: ChannelsWriter, // impl ChannelsWriter -} - -// impl for smallvec -impl<'slf, Channels: 'slf> WritableLayers<'slf> for Layers where Channels: WritableChannels<'slf> { - fn infer_headers(&self, image_attributes: &ImageAttributes) -> Headers { - slice_infer_headers(self.as_slice(), image_attributes) - } - - type Writer = AllLayersWriter; - fn create_writer(&'slf self, headers: &[Header]) -> Self::Writer { - slice_create_writer(self.as_slice(), headers) - } -} - -fn slice_infer_headers<'slf, Channels:'slf + WritableChannels<'slf>>( - slice: &[Layer], image_attributes: &ImageAttributes -) -> Headers -{ - slice.iter().map(|layer| layer.infer_headers(image_attributes).remove(0)).collect() // TODO no array-vs-first -} - -fn slice_create_writer<'slf, Channels:'slf + WritableChannels<'slf>>( - slice: &'slf [Layer], headers: &[Header] -) -> AllLayersWriter -{ - AllLayersWriter { - layers: slice.iter().zip(headers.chunks_exact(1)) // TODO no array-vs-first - .map(|(layer, header)| layer.create_writer(header)) - .collect() - } -} - - -impl<'slf, Channels: WritableChannels<'slf>> WritableLayers<'slf> for Layer { - fn infer_headers(&self, image_attributes: &ImageAttributes) -> Headers { - let blocks = match self.encoding.blocks { - crate::image::Blocks::ScanLines => crate::meta::BlockDescription::ScanLines, - crate::image::Blocks::Tiles(tile_size) => { - let (level_mode, rounding_mode) = self.channel_data.infer_level_modes(); - crate::meta::BlockDescription::Tiles(TileDescription { level_mode, rounding_mode, tile_size, }) - }, - }; - - let chunk_count = compute_chunk_count( - self.encoding.compression, self.size, blocks - ); - - let header = Header { - channels: self.channel_data.infer_channel_list(), - compression: self.encoding.compression, - - blocks, - chunk_count, - - line_order: self.encoding.line_order, - layer_size: self.size, - shared_attributes: image_attributes.clone(), - own_attributes: self.attributes.clone(), - - - deep: false, // TODO deep data - deep_data_version: None, - max_samples_per_pixel: None, - }; - - smallvec![ header ]// TODO no array-vs-first - } - - type Writer = LayerWriter; - fn create_writer(&'slf self, headers: &[Header]) -> Self::Writer { - let channels = self.channel_data - .create_writer(headers.first().expect("inferred header error")); // TODO no array-vs-first - - LayerWriter { channels } - } -} - -impl LayersWriter for AllLayersWriter where C: ChannelsWriter { - fn extract_uncompressed_block(&self, headers: &[Header], block: BlockIndex) -> Vec { - self.layers[block.layer].extract_uncompressed_block(std::slice::from_ref(&headers[block.layer]), block) // TODO no array-vs-first - } -} - -impl LayersWriter for LayerWriter where C: ChannelsWriter { - fn extract_uncompressed_block(&self, headers: &[Header], block: BlockIndex) -> Vec { - self.channels.extract_uncompressed_block(headers.first().expect("invalid inferred header"), block) // TODO no array-vs-first - } -} - - - - - -impl<'slf> WritableLayers<'slf> for NoneMore { - fn infer_headers(&self, _: &ImageAttributes) -> Headers { SmallVec::new() } - - type Writer = NoneMore; - fn create_writer(&'slf self, _: &[Header]) -> Self::Writer { NoneMore } -} - -impl<'slf, InnerLayers, Channels> WritableLayers<'slf> for Recursive> - where InnerLayers: WritableLayers<'slf>, Channels: WritableChannels<'slf> -{ - fn infer_headers(&self, image_attributes: &ImageAttributes) -> Headers { - let mut headers = self.inner.infer_headers(image_attributes); - headers.push(self.value.infer_headers(image_attributes).remove(0)); // TODO no unwrap - headers - } - - type Writer = RecursiveLayersWriter; - - fn create_writer(&'slf self, headers: &[Header]) -> Self::Writer { - let (own_header, inner_headers) = headers.split_last() - .expect("header has not been inferred correctly"); - - let layer_index = inner_headers.len(); - RecursiveLayersWriter { - inner: self.inner.create_writer(inner_headers), - value: (layer_index, self.value.create_writer(std::slice::from_ref(own_header))) // TODO no slice - } - } -} - -type RecursiveLayersWriter = Recursive)>; - -impl LayersWriter for NoneMore { - fn extract_uncompressed_block(&self, _: &[Header], _: BlockIndex) -> Vec { - panic!("recursive length mismatch bug"); - } -} - -impl LayersWriter for RecursiveLayersWriter - where InnerLayersWriter: LayersWriter, Channels: ChannelsWriter -{ - fn extract_uncompressed_block(&self, headers: &[Header], block: BlockIndex) -> Vec { - let (layer_index, layer) = &self.value; - if *layer_index == block.layer { - let header = headers.get(*layer_index).expect("layer index bug"); - layer.extract_uncompressed_block(std::slice::from_ref(header), block) // TODO no slice? - } - else { - self.inner.extract_uncompressed_block(headers, block) - } - } -} - - -- cgit v1.2.3