Deleted vendor folder

1 files changed, 0 insertions, 353 deletions

diff --git a/vendor/image/src/codecs/tiff.rs b/vendor/image/src/codecs/tiff.rs
deleted file mode 100644
index 7c33412..0000000
--- a/vendor/image/src/codecs/tiff.rs
+++ /dev/null
@@ -1,353 +0,0 @@
-//! Decoding and Encoding of TIFF Images
-//!
-//! TIFF (Tagged Image File Format) is a versatile image format that supports
-//! lossless and lossy compression.
-//!
-//! # Related Links
-//! * <http://partners.adobe.com/public/developer/tiff/index.html> - The TIFF specification
-
-extern crate tiff;
-
-use std::convert::TryFrom;
-use std::io::{self, Cursor, Read, Seek, Write};
-use std::marker::PhantomData;
-use std::mem;
-
-use crate::color::{ColorType, ExtendedColorType};
-use crate::error::{
-    DecodingError, EncodingError, ImageError, ImageResult, LimitError, LimitErrorKind,
-    ParameterError, ParameterErrorKind, UnsupportedError, UnsupportedErrorKind,
-};
-use crate::image::{ImageDecoder, ImageEncoder, ImageFormat};
-use crate::utils;
-
-/// Decoder for TIFF images.
-pub struct TiffDecoder<R>
-where
-    R: Read + Seek,
-{
-    dimensions: (u32, u32),
-    color_type: ColorType,
-
-    // We only use an Option here so we can call with_limits on the decoder without moving.
-    inner: Option<tiff::decoder::Decoder<R>>,
-}
-
-impl<R> TiffDecoder<R>
-where
-    R: Read + Seek,
-{
-    /// Create a new TiffDecoder.
-    pub fn new(r: R) -> Result<TiffDecoder<R>, ImageError> {
-        let mut inner = tiff::decoder::Decoder::new(r).map_err(ImageError::from_tiff_decode)?;
-
-        let dimensions = inner.dimensions().map_err(ImageError::from_tiff_decode)?;
-        let color_type = inner.colortype().map_err(ImageError::from_tiff_decode)?;
-        match inner.find_tag_unsigned_vec::<u16>(tiff::tags::Tag::SampleFormat) {
-            Ok(Some(sample_formats)) => {
-                for format in sample_formats {
-                    check_sample_format(format)?;
-                }
-            }
-            Ok(None) => { /* assume UInt format */ }
-            Err(other) => return Err(ImageError::from_tiff_decode(other)),
-        };
-
-        let color_type = match color_type {
-            tiff::ColorType::Gray(8) => ColorType::L8,
-            tiff::ColorType::Gray(16) => ColorType::L16,
-            tiff::ColorType::GrayA(8) => ColorType::La8,
-            tiff::ColorType::GrayA(16) => ColorType::La16,
-            tiff::ColorType::RGB(8) => ColorType::Rgb8,
-            tiff::ColorType::RGB(16) => ColorType::Rgb16,
-            tiff::ColorType::RGBA(8) => ColorType::Rgba8,
-            tiff::ColorType::RGBA(16) => ColorType::Rgba16,
-
-            tiff::ColorType::Palette(n) | tiff::ColorType::Gray(n) => {
-                return Err(err_unknown_color_type(n))
-            }
-            tiff::ColorType::GrayA(n) => return Err(err_unknown_color_type(n.saturating_mul(2))),
-            tiff::ColorType::RGB(n) => return Err(err_unknown_color_type(n.saturating_mul(3))),
-            tiff::ColorType::YCbCr(n) => return Err(err_unknown_color_type(n.saturating_mul(3))),
-            tiff::ColorType::RGBA(n) | tiff::ColorType::CMYK(n) => {
-                return Err(err_unknown_color_type(n.saturating_mul(4)))
-            }
-        };
-
-        Ok(TiffDecoder {
-            dimensions,
-            color_type,
-            inner: Some(inner),
-        })
-    }
-}
-
-fn check_sample_format(sample_format: u16) -> Result<(), ImageError> {
-    match tiff::tags::SampleFormat::from_u16(sample_format) {
-        Some(tiff::tags::SampleFormat::Uint) => Ok(()),
-        Some(other) => Err(ImageError::Unsupported(
-            UnsupportedError::from_format_and_kind(
-                ImageFormat::Tiff.into(),
-                UnsupportedErrorKind::GenericFeature(format!(
-                    "Unhandled TIFF sample format {:?}",
-                    other
-                )),
-            ),
-        )),
-        None => Err(ImageError::Decoding(DecodingError::from_format_hint(
-            ImageFormat::Tiff.into(),
-        ))),
-    }
-}
-
-fn err_unknown_color_type(value: u8) -> ImageError {
-    ImageError::Unsupported(UnsupportedError::from_format_and_kind(
-        ImageFormat::Tiff.into(),
-        UnsupportedErrorKind::Color(ExtendedColorType::Unknown(value)),
-    ))
-}
-
-impl ImageError {
-    fn from_tiff_decode(err: tiff::TiffError) -> ImageError {
-        match err {
-            tiff::TiffError::IoError(err) => ImageError::IoError(err),
-            err @ tiff::TiffError::FormatError(_)
-            | err @ tiff::TiffError::IntSizeError
-            | err @ tiff::TiffError::UsageError(_) => {
-                ImageError::Decoding(DecodingError::new(ImageFormat::Tiff.into(), err))
-            }
-            tiff::TiffError::UnsupportedError(desc) => {
-                ImageError::Unsupported(UnsupportedError::from_format_and_kind(
-                    ImageFormat::Tiff.into(),
-                    UnsupportedErrorKind::GenericFeature(desc.to_string()),
-                ))
-            }
-            tiff::TiffError::LimitsExceeded => {
-                ImageError::Limits(LimitError::from_kind(LimitErrorKind::InsufficientMemory))
-            }
-        }
-    }
-
-    fn from_tiff_encode(err: tiff::TiffError) -> ImageError {
-        match err {
-            tiff::TiffError::IoError(err) => ImageError::IoError(err),
-            err @ tiff::TiffError::FormatError(_)
-            | err @ tiff::TiffError::IntSizeError
-            | err @ tiff::TiffError::UsageError(_) => {
-                ImageError::Encoding(EncodingError::new(ImageFormat::Tiff.into(), err))
-            }
-            tiff::TiffError::UnsupportedError(desc) => {
-                ImageError::Unsupported(UnsupportedError::from_format_and_kind(
-                    ImageFormat::Tiff.into(),
-                    UnsupportedErrorKind::GenericFeature(desc.to_string()),
-                ))
-            }
-            tiff::TiffError::LimitsExceeded => {
-                ImageError::Limits(LimitError::from_kind(LimitErrorKind::InsufficientMemory))
-            }
-        }
-    }
-}
-
-/// Wrapper struct around a `Cursor<Vec<u8>>`
-pub struct TiffReader<R>(Cursor<Vec<u8>>, PhantomData<R>);
-impl<R> Read for TiffReader<R> {
-    fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
-        self.0.read(buf)
-    }
-    fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
-        if self.0.position() == 0 && buf.is_empty() {
-            mem::swap(buf, self.0.get_mut());
-            Ok(buf.len())
-        } else {
-            self.0.read_to_end(buf)
-        }
-    }
-}
-
-impl<'a, R: 'a + Read + Seek> ImageDecoder<'a> for TiffDecoder<R> {
-    type Reader = TiffReader<R>;
-
-    fn dimensions(&self) -> (u32, u32) {
-        self.dimensions
-    }
-
-    fn color_type(&self) -> ColorType {
-        self.color_type
-    }
-
-    fn icc_profile(&mut self) -> Option<Vec<u8>> {
-        if let Some(decoder) = &mut self.inner {
-            decoder.get_tag_u8_vec(tiff::tags::Tag::Unknown(34675)).ok()
-        } else {
-            None
-        }
-    }
-
-    fn set_limits(&mut self, limits: crate::io::Limits) -> ImageResult<()> {
-        limits.check_support(&crate::io::LimitSupport::default())?;
-
-        let (width, height) = self.dimensions();
-        limits.check_dimensions(width, height)?;
-
-        let max_alloc = limits.max_alloc.unwrap_or(u64::MAX);
-        let max_intermediate_alloc = max_alloc.saturating_sub(self.total_bytes());
-
-        let mut tiff_limits: tiff::decoder::Limits = Default::default();
-        tiff_limits.decoding_buffer_size =
-            usize::try_from(max_alloc - max_intermediate_alloc).unwrap_or(usize::MAX);
-        tiff_limits.intermediate_buffer_size =
-            usize::try_from(max_intermediate_alloc).unwrap_or(usize::MAX);
-        tiff_limits.ifd_value_size = tiff_limits.intermediate_buffer_size;
-        self.inner = Some(self.inner.take().unwrap().with_limits(tiff_limits));
-
-        Ok(())
-    }
-
-    fn into_reader(self) -> ImageResult<Self::Reader> {
-        let buf = match self
-            .inner
-            .unwrap()
-            .read_image()
-            .map_err(ImageError::from_tiff_decode)?
-        {
-            tiff::decoder::DecodingResult::U8(v) => v,
-            tiff::decoder::DecodingResult::U16(v) => utils::vec_copy_to_u8(&v),
-            tiff::decoder::DecodingResult::U32(v) => utils::vec_copy_to_u8(&v),
-            tiff::decoder::DecodingResult::U64(v) => utils::vec_copy_to_u8(&v),
-            tiff::decoder::DecodingResult::I8(v) => utils::vec_copy_to_u8(&v),
-            tiff::decoder::DecodingResult::I16(v) => utils::vec_copy_to_u8(&v),
-            tiff::decoder::DecodingResult::I32(v) => utils::vec_copy_to_u8(&v),
-            tiff::decoder::DecodingResult::I64(v) => utils::vec_copy_to_u8(&v),
-            tiff::decoder::DecodingResult::F32(v) => utils::vec_copy_to_u8(&v),
-            tiff::decoder::DecodingResult::F64(v) => utils::vec_copy_to_u8(&v),
-        };
-
-        Ok(TiffReader(Cursor::new(buf), PhantomData))
-    }
-
-    fn read_image(self, buf: &mut [u8]) -> ImageResult<()> {
-        assert_eq!(u64::try_from(buf.len()), Ok(self.total_bytes()));
-        match self
-            .inner
-            .unwrap()
-            .read_image()
-            .map_err(ImageError::from_tiff_decode)?
-        {
-            tiff::decoder::DecodingResult::U8(v) => {
-                buf.copy_from_slice(&v);
-            }
-            tiff::decoder::DecodingResult::U16(v) => {
-                buf.copy_from_slice(bytemuck::cast_slice(&v));
-            }
-            tiff::decoder::DecodingResult::U32(v) => {
-                buf.copy_from_slice(bytemuck::cast_slice(&v));
-            }
-            tiff::decoder::DecodingResult::U64(v) => {
-                buf.copy_from_slice(bytemuck::cast_slice(&v));
-            }
-            tiff::decoder::DecodingResult::I8(v) => {
-                buf.copy_from_slice(bytemuck::cast_slice(&v));
-            }
-            tiff::decoder::DecodingResult::I16(v) => {
-                buf.copy_from_slice(bytemuck::cast_slice(&v));
-            }
-            tiff::decoder::DecodingResult::I32(v) => {
-                buf.copy_from_slice(bytemuck::cast_slice(&v));
-            }
-            tiff::decoder::DecodingResult::I64(v) => {
-                buf.copy_from_slice(bytemuck::cast_slice(&v));
-            }
-            tiff::decoder::DecodingResult::F32(v) => {
-                buf.copy_from_slice(bytemuck::cast_slice(&v));
-            }
-            tiff::decoder::DecodingResult::F64(v) => {
-                buf.copy_from_slice(bytemuck::cast_slice(&v));
-            }
-        }
-        Ok(())
-    }
-}
-
-/// Encoder for tiff images
-pub struct TiffEncoder<W> {
-    w: W,
-}
-
-// Utility to simplify and deduplicate error handling during 16-bit encoding.
-fn u8_slice_as_u16(buf: &[u8]) -> ImageResult<&[u16]> {
-    bytemuck::try_cast_slice(buf).map_err(|err| {
-        // If the buffer is not aligned or the correct length for a u16 slice, err.
-        //
-        // `bytemuck::PodCastError` of bytemuck-1.2.0 does not implement
-        // `Error` and `Display` trait.
-        // See <https://github.com/Lokathor/bytemuck/issues/22>.
-        ImageError::Parameter(ParameterError::from_kind(ParameterErrorKind::Generic(
-            format!("{:?}", err),
-        )))
-    })
-}
-
-impl<W: Write + Seek> TiffEncoder<W> {
-    /// Create a new encoder that writes its output to `w`
-    pub fn new(w: W) -> TiffEncoder<W> {
-        TiffEncoder { w }
-    }
-
-    /// Encodes the image `image` that has dimensions `width` and `height` and `ColorType` `c`.
-    ///
-    /// 16-bit types assume the buffer is native endian.
-    pub fn encode(self, data: &[u8], width: u32, height: u32, color: ColorType) -> ImageResult<()> {
-        let mut encoder =
-            tiff::encoder::TiffEncoder::new(self.w).map_err(ImageError::from_tiff_encode)?;
-        match color {
-            ColorType::L8 => {
-                encoder.write_image::<tiff::encoder::colortype::Gray8>(width, height, data)
-            }
-            ColorType::Rgb8 => {
-                encoder.write_image::<tiff::encoder::colortype::RGB8>(width, height, data)
-            }
-            ColorType::Rgba8 => {
-                encoder.write_image::<tiff::encoder::colortype::RGBA8>(width, height, data)
-            }
-            ColorType::L16 => encoder.write_image::<tiff::encoder::colortype::Gray16>(
-                width,
-                height,
-                u8_slice_as_u16(data)?,
-            ),
-            ColorType::Rgb16 => encoder.write_image::<tiff::encoder::colortype::RGB16>(
-                width,
-                height,
-                u8_slice_as_u16(data)?,
-            ),
-            ColorType::Rgba16 => encoder.write_image::<tiff::encoder::colortype::RGBA16>(
-                width,
-                height,
-                u8_slice_as_u16(data)?,
-            ),
-            _ => {
-                return Err(ImageError::Unsupported(
-                    UnsupportedError::from_format_and_kind(
-                        ImageFormat::Tiff.into(),
-                        UnsupportedErrorKind::Color(color.into()),
-                    ),
-                ))
-            }
-        }
-        .map_err(ImageError::from_tiff_encode)?;
-
-        Ok(())
-    }
-}
-
-impl<W: Write + Seek> ImageEncoder for TiffEncoder<W> {
-    fn write_image(
-        self,
-        buf: &[u8],
-        width: u32,
-        height: u32,
-        color_type: ColorType,
-    ) -> ImageResult<()> {
-        self.encode(buf, width, height, color_type)
-    }
-}