Trait exr::image::read::layers::ReadChannels

pub trait ReadChannels<'s> {
    type Reader: ChannelsReader;

    fn create_channels_reader(&'s self, header: &Header) -> Result<Self::Reader>;

    fn first_valid_layer(self) -> ReadFirstValidLayer<Self>
    where
        Self: Sized,
    { ... }
    fn all_layers(self) -> ReadAllLayers<Self>
    where
        Self: Sized,
    { ... }
}

A template that creates a ChannelsReader once for all channels per layer.

Required Associated Types

type Reader: ChannelsReader

The type of the temporary channels reader

Required Methods

fn create_channels_reader(&'s self, header: &Header) -> Result<Self::Reader>

Create a single reader for all channels of a specific layer

Provided Methods

fn first_valid_layer(self) -> ReadFirstValidLayer<Self> where
    Self: Sized, 

Read only the first layer which meets the previously specified requirements For example, skips layers with deep data, if specified earlier. Aborts if the image contains no layers.

fn all_layers(self) -> ReadAllLayers<Self> where
    Self: Sized, 

Reads all layers, including an empty list. Aborts if any of the layers are invalid, even if only one of the layers contains unexpected data.

Implementors

impl<'s, InnerChannels, Pixel, PixelStorage, CreatePixels, SetPixel: 's> ReadChannels<'s> for CollectPixels<InnerChannels, Pixel, PixelStorage, CreatePixels, SetPixel> where
    InnerChannels: ReadSpecificChannel,
    <InnerChannels::RecursivePixelReader as RecursivePixelReader>::RecursivePixel: IntoTuple<Pixel>,
    <InnerChannels::RecursivePixelReader as RecursivePixelReader>::RecursiveChannelDescriptions: IntoNonRecursive,
    CreatePixels: Fn(Vec2<usize>, &<<InnerChannels::RecursivePixelReader as RecursivePixelReader>::RecursiveChannelDescriptions as IntoNonRecursive>::NonRecursive) -> PixelStorage,
    SetPixel: Fn(&mut PixelStorage, Vec2<usize>, Pixel), 

type Reader = SpecificChannelsReader<PixelStorage, &'s SetPixel, <InnerChannels as ReadSpecificChannel>::RecursivePixelReader, Pixel>

impl<'s, S: 's + ReadSamples> ReadChannels<'s> for ReadAnyChannels<S>

type Reader = AnyChannelsReader<<S as ReadSamples>::Reader>