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-rw-r--r--vendor/exr/src/image/write/samples.rs205
1 files changed, 0 insertions, 205 deletions
diff --git a/vendor/exr/src/image/write/samples.rs b/vendor/exr/src/image/write/samples.rs
deleted file mode 100644
index e74105b..0000000
--- a/vendor/exr/src/image/write/samples.rs
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-//! How to write samples (a grid of `f32`, `f16` or `u32` values).
-
-use crate::meta::attribute::{LevelMode, SampleType, TileDescription};
-use crate::meta::header::Header;
-use crate::block::lines::LineRefMut;
-use crate::image::{FlatSamples, Levels, RipMaps};
-use crate::math::{Vec2, RoundingMode};
-use crate::meta::{rip_map_levels, mip_map_levels, rip_map_indices, mip_map_indices, BlockDescription};
-
-/// Enable an image with this sample grid to be written to a file.
-/// Also can contain multiple resolution levels.
-/// Usually contained within `Channels`.
-pub trait WritableSamples<'slf> {
- // fn is_deep(&self) -> bool;
-
- /// Generate the file meta data regarding the number type of this storage
- fn sample_type(&self) -> SampleType;
-
- /// Generate the file meta data regarding resolution levels
- fn infer_level_modes(&self) -> (LevelMode, RoundingMode);
-
- /// The type of the temporary writer for this sample storage
- type Writer: SamplesWriter;
-
- /// Create a temporary writer for this sample storage
- fn create_samples_writer(&'slf self, header: &Header) -> Self::Writer;
-}
-
-/// Enable an image with this single level sample grid to be written to a file.
-/// Only contained within `Levels`.
-pub trait WritableLevel<'slf> {
-
- /// Generate the file meta data regarding the number type of these samples
- fn sample_type(&self) -> SampleType;
-
- /// The type of the temporary writer for this single level of samples
- type Writer: SamplesWriter;
-
- /// Create a temporary writer for this single level of samples
- fn create_level_writer(&'slf self, size: Vec2<usize>) -> Self::Writer;
-}
-
-/// A temporary writer for one or more resolution levels containing samples
-pub trait SamplesWriter: Sync {
-
- /// Deliver a single short horizontal list of samples for a specific channel.
- fn extract_line(&self, line: LineRefMut<'_>);
-}
-
-/// A temporary writer for a predefined non-deep sample storage
-#[derive(Debug, Copy, Clone, PartialEq)]
-pub struct FlatSamplesWriter<'samples> {
- resolution: Vec2<usize>, // respects resolution level
- samples: &'samples FlatSamples
-}
-
-
-
-// used if no layers are used and the flat samples are directly inside the channels
-impl<'samples> WritableSamples<'samples> for FlatSamples {
- fn sample_type(&self) -> SampleType {
- match self {
- FlatSamples::F16(_) => SampleType::F16,
- FlatSamples::F32(_) => SampleType::F32,
- FlatSamples::U32(_) => SampleType::U32,
- }
- }
-
- fn infer_level_modes(&self) -> (LevelMode, RoundingMode) { (LevelMode::Singular, RoundingMode::Down) }
-
- type Writer = FlatSamplesWriter<'samples>; //&'s FlatSamples;
- fn create_samples_writer(&'samples self, header: &Header) -> Self::Writer {
- FlatSamplesWriter {
- resolution: header.layer_size,
- samples: self
- }
- }
-}
-
-// used if layers are used and the flat samples are inside the levels
-impl<'samples> WritableLevel<'samples> for FlatSamples {
- fn sample_type(&self) -> SampleType {
- match self {
- FlatSamples::F16(_) => SampleType::F16,
- FlatSamples::F32(_) => SampleType::F32,
- FlatSamples::U32(_) => SampleType::U32,
- }
- }
-
- type Writer = FlatSamplesWriter<'samples>;
- fn create_level_writer(&'samples self, size: Vec2<usize>) -> Self::Writer {
- FlatSamplesWriter {
- resolution: size,
- samples: self
- }
- }
-}
-
-impl<'samples> SamplesWriter for FlatSamplesWriter<'samples> {
- fn extract_line(&self, line: LineRefMut<'_>) {
- let image_width = self.resolution.width(); // header.layer_size.width();
- debug_assert_ne!(image_width, 0, "image width calculation bug");
-
- let start_index = line.location.position.y() * image_width + line.location.position.x();
- let end_index = start_index + line.location.sample_count;
-
- debug_assert!(
- start_index < end_index && end_index <= self.samples.len(),
- "for resolution {:?}, this is an invalid line: {:?}",
- self.resolution, line.location
- );
-
- match self.samples {
- FlatSamples::F16(samples) => line.write_samples_from_slice(&samples[start_index .. end_index]),
- FlatSamples::F32(samples) => line.write_samples_from_slice(&samples[start_index .. end_index]),
- FlatSamples::U32(samples) => line.write_samples_from_slice(&samples[start_index .. end_index]),
- }.expect("writing line bytes failed");
- }
-}
-
-
-impl<'samples, LevelSamples> WritableSamples<'samples> for Levels<LevelSamples>
- where LevelSamples: WritableLevel<'samples>
-{
- fn sample_type(&self) -> SampleType {
- let sample_type = self.levels_as_slice().first().expect("no levels found").sample_type();
-
- debug_assert!(
- self.levels_as_slice().iter().skip(1).all(|ty| ty.sample_type() == sample_type),
- "sample types must be the same across all levels"
- );
-
- sample_type
- }
-
- fn infer_level_modes(&self) -> (LevelMode, RoundingMode) {
- match self {
- Levels::Singular(_) => (LevelMode::Singular, RoundingMode::Down),
- Levels::Mip { rounding_mode, .. } => (LevelMode::MipMap, *rounding_mode),
- Levels::Rip { rounding_mode, .. } => (LevelMode::RipMap, *rounding_mode),
- }
- }
-
- type Writer = LevelsWriter<LevelSamples::Writer>;
- fn create_samples_writer(&'samples self, header: &Header) -> Self::Writer {
- let rounding = match header.blocks {
- BlockDescription::Tiles(TileDescription { rounding_mode, .. }) => Some(rounding_mode),
- BlockDescription::ScanLines => None,
- };
-
- LevelsWriter {
- levels: match self {
- Levels::Singular(level) => Levels::Singular(level.create_level_writer(header.layer_size)),
- Levels::Mip { level_data, rounding_mode } => {
- debug_assert_eq!(
- level_data.len(),
- mip_map_indices(rounding.expect("mip maps only with tiles"), header.layer_size).count(),
- "invalid mip map count"
- );
-
- Levels::Mip { // TODO store level size in image??
- rounding_mode: *rounding_mode,
- level_data: level_data.iter()
- .zip(mip_map_levels(rounding.expect("mip maps only with tiles"), header.layer_size))
- // .map(|level| level.create_samples_writer(header))
- .map(|(level, (_level_index, level_size))| level.create_level_writer(level_size))
- .collect()
- }
- },
- Levels::Rip { level_data, rounding_mode } => {
- debug_assert_eq!(level_data.map_data.len(), level_data.level_count.area(), "invalid rip level count");
- debug_assert_eq!(
- level_data.map_data.len(),
- rip_map_indices(rounding.expect("rip maps only with tiles"), header.layer_size).count(),
- "invalid rip map count"
- );
-
- Levels::Rip {
- rounding_mode: *rounding_mode,
- level_data: RipMaps {
- level_count: level_data.level_count,
- map_data: level_data.map_data.iter()
- .zip(rip_map_levels(rounding.expect("rip maps only with tiles"), header.layer_size))
- .map(|(level, (_level_index, level_size))| level.create_level_writer(level_size))
- .collect(),
- }
- }
- }
- }
- }
- }
-}
-
-/// A temporary writer for multiple resolution levels
-#[derive(Debug, Clone, Eq, PartialEq)]
-pub struct LevelsWriter<SamplesWriter> {
- levels: Levels<SamplesWriter>,
-}
-
-impl<Samples> SamplesWriter for LevelsWriter<Samples> where Samples: SamplesWriter {
- fn extract_line(&self, line: LineRefMut<'_>) {
- self.levels.get_level(line.location.level).expect("invalid level index") // TODO compute level size from line index??
- .extract_line(line)
- }
-}
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