Deleted vendor folder

1 files changed, 0 insertions, 375 deletions

diff --git a/vendor/image/src/codecs/dds.rs b/vendor/image/src/codecs/dds.rs
deleted file mode 100644
index f0a7357..0000000
--- a/vendor/image/src/codecs/dds.rs
+++ /dev/null
@@ -1,375 +0,0 @@
-//!  Decoding of DDS images
-//!
-//!  DDS (DirectDraw Surface) is a container format for storing DXT (S3TC) compressed images.
-//!
-//!  # Related Links
-//!  * <https://docs.microsoft.com/en-us/windows/win32/direct3ddds/dx-graphics-dds-pguide> - Description of the DDS format.
-
-use std::io::Read;
-use std::{error, fmt};
-
-use byteorder::{LittleEndian, ReadBytesExt};
-
-#[allow(deprecated)]
-use crate::codecs::dxt::{DxtDecoder, DxtReader, DxtVariant};
-use crate::color::ColorType;
-use crate::error::{
-    DecodingError, ImageError, ImageFormatHint, ImageResult, UnsupportedError, UnsupportedErrorKind,
-};
-use crate::image::{ImageDecoder, ImageFormat};
-
-/// Errors that can occur during decoding and parsing a DDS image
-#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, PartialOrd, Ord)]
-enum DecoderError {
-    /// Wrong DDS channel width
-    PixelFormatSizeInvalid(u32),
-    /// Wrong DDS header size
-    HeaderSizeInvalid(u32),
-    /// Wrong DDS header flags
-    HeaderFlagsInvalid(u32),
-
-    /// Invalid DXGI format in DX10 header
-    DxgiFormatInvalid(u32),
-    /// Invalid resource dimension
-    ResourceDimensionInvalid(u32),
-    /// Invalid flags in DX10 header
-    Dx10FlagsInvalid(u32),
-    /// Invalid array size in DX10 header
-    Dx10ArraySizeInvalid(u32),
-
-    /// DDS "DDS " signature invalid or missing
-    DdsSignatureInvalid,
-}
-
-impl fmt::Display for DecoderError {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            DecoderError::PixelFormatSizeInvalid(s) => {
-                f.write_fmt(format_args!("Invalid DDS PixelFormat size: {}", s))
-            }
-            DecoderError::HeaderSizeInvalid(s) => {
-                f.write_fmt(format_args!("Invalid DDS header size: {}", s))
-            }
-            DecoderError::HeaderFlagsInvalid(fs) => {
-                f.write_fmt(format_args!("Invalid DDS header flags: {:#010X}", fs))
-            }
-            DecoderError::DxgiFormatInvalid(df) => {
-                f.write_fmt(format_args!("Invalid DDS DXGI format: {}", df))
-            }
-            DecoderError::ResourceDimensionInvalid(d) => {
-                f.write_fmt(format_args!("Invalid DDS resource dimension: {}", d))
-            }
-            DecoderError::Dx10FlagsInvalid(fs) => {
-                f.write_fmt(format_args!("Invalid DDS DX10 header flags: {:#010X}", fs))
-            }
-            DecoderError::Dx10ArraySizeInvalid(s) => {
-                f.write_fmt(format_args!("Invalid DDS DX10 array size: {}", s))
-            }
-            DecoderError::DdsSignatureInvalid => f.write_str("DDS signature not found"),
-        }
-    }
-}
-
-impl From<DecoderError> for ImageError {
-    fn from(e: DecoderError) -> ImageError {
-        ImageError::Decoding(DecodingError::new(ImageFormat::Dds.into(), e))
-    }
-}
-
-impl error::Error for DecoderError {}
-
-/// Header used by DDS image files
-#[derive(Debug)]
-struct Header {
-    _flags: u32,
-    height: u32,
-    width: u32,
-    _pitch_or_linear_size: u32,
-    _depth: u32,
-    _mipmap_count: u32,
-    pixel_format: PixelFormat,
-    _caps: u32,
-    _caps2: u32,
-}
-
-/// Extended DX10 header used by some DDS image files
-#[derive(Debug)]
-struct DX10Header {
-    dxgi_format: u32,
-    resource_dimension: u32,
-    misc_flag: u32,
-    array_size: u32,
-    misc_flags_2: u32,
-}
-
-/// DDS pixel format
-#[derive(Debug)]
-struct PixelFormat {
-    flags: u32,
-    fourcc: [u8; 4],
-    _rgb_bit_count: u32,
-    _r_bit_mask: u32,
-    _g_bit_mask: u32,
-    _b_bit_mask: u32,
-    _a_bit_mask: u32,
-}
-
-impl PixelFormat {
-    fn from_reader(r: &mut dyn Read) -> ImageResult<Self> {
-        let size = r.read_u32::<LittleEndian>()?;
-        if size != 32 {
-            return Err(DecoderError::PixelFormatSizeInvalid(size).into());
-        }
-
-        Ok(Self {
-            flags: r.read_u32::<LittleEndian>()?,
-            fourcc: {
-                let mut v = [0; 4];
-                r.read_exact(&mut v)?;
-                v
-            },
-            _rgb_bit_count: r.read_u32::<LittleEndian>()?,
-            _r_bit_mask: r.read_u32::<LittleEndian>()?,
-            _g_bit_mask: r.read_u32::<LittleEndian>()?,
-            _b_bit_mask: r.read_u32::<LittleEndian>()?,
-            _a_bit_mask: r.read_u32::<LittleEndian>()?,
-        })
-    }
-}
-
-impl Header {
-    fn from_reader(r: &mut dyn Read) -> ImageResult<Self> {
-        let size = r.read_u32::<LittleEndian>()?;
-        if size != 124 {
-            return Err(DecoderError::HeaderSizeInvalid(size).into());
-        }
-
-        const REQUIRED_FLAGS: u32 = 0x1 | 0x2 | 0x4 | 0x1000;
-        const VALID_FLAGS: u32 = 0x1 | 0x2 | 0x4 | 0x8 | 0x1000 | 0x20000 | 0x80000 | 0x800000;
-        let flags = r.read_u32::<LittleEndian>()?;
-        if flags & (REQUIRED_FLAGS | !VALID_FLAGS) != REQUIRED_FLAGS {
-            return Err(DecoderError::HeaderFlagsInvalid(flags).into());
-        }
-
-        let height = r.read_u32::<LittleEndian>()?;
-        let width = r.read_u32::<LittleEndian>()?;
-        let pitch_or_linear_size = r.read_u32::<LittleEndian>()?;
-        let depth = r.read_u32::<LittleEndian>()?;
-        let mipmap_count = r.read_u32::<LittleEndian>()?;
-        // Skip `dwReserved1`
-        {
-            let mut skipped = [0; 4 * 11];
-            r.read_exact(&mut skipped)?;
-        }
-        let pixel_format = PixelFormat::from_reader(r)?;
-        let caps = r.read_u32::<LittleEndian>()?;
-        let caps2 = r.read_u32::<LittleEndian>()?;
-        // Skip `dwCaps3`, `dwCaps4`, `dwReserved2` (unused)
-        {
-            let mut skipped = [0; 4 + 4 + 4];
-            r.read_exact(&mut skipped)?;
-        }
-
-        Ok(Self {
-            _flags: flags,
-            height,
-            width,
-            _pitch_or_linear_size: pitch_or_linear_size,
-            _depth: depth,
-            _mipmap_count: mipmap_count,
-            pixel_format,
-            _caps: caps,
-            _caps2: caps2,
-        })
-    }
-}
-
-impl DX10Header {
-    fn from_reader(r: &mut dyn Read) -> ImageResult<Self> {
-        let dxgi_format = r.read_u32::<LittleEndian>()?;
-        let resource_dimension = r.read_u32::<LittleEndian>()?;
-        let misc_flag = r.read_u32::<LittleEndian>()?;
-        let array_size = r.read_u32::<LittleEndian>()?;
-        let misc_flags_2 = r.read_u32::<LittleEndian>()?;
-
-        let dx10_header = Self {
-            dxgi_format,
-            resource_dimension,
-            misc_flag,
-            array_size,
-            misc_flags_2,
-        };
-        dx10_header.validate()?;
-
-        Ok(dx10_header)
-    }
-
-    fn validate(&self) -> Result<(), ImageError> {
-        // Note: see https://docs.microsoft.com/en-us/windows/win32/direct3ddds/dds-header-dxt10 for info on valid values
-        if self.dxgi_format > 132 {
-            // Invalid format
-            return Err(DecoderError::DxgiFormatInvalid(self.dxgi_format).into());
-        }
-
-        if self.resource_dimension < 2 || self.resource_dimension > 4 {
-            // Invalid dimension
-            // Only 1D (2), 2D (3) and 3D (4) resource dimensions are allowed
-            return Err(DecoderError::ResourceDimensionInvalid(self.resource_dimension).into());
-        }
-
-        if self.misc_flag != 0x0 && self.misc_flag != 0x4 {
-            // Invalid flag
-            // Only no (0x0) and DDS_RESOURCE_MISC_TEXTURECUBE (0x4) flags are allowed
-            return Err(DecoderError::Dx10FlagsInvalid(self.misc_flag).into());
-        }
-
-        if self.resource_dimension == 4 && self.array_size != 1 {
-            // Invalid array size
-            // 3D textures (resource dimension == 4) must have an array size of 1
-            return Err(DecoderError::Dx10ArraySizeInvalid(self.array_size).into());
-        }
-
-        if self.misc_flags_2 > 0x4 {
-            // Invalid alpha flags
-            return Err(DecoderError::Dx10FlagsInvalid(self.misc_flags_2).into());
-        }
-
-        Ok(())
-    }
-}
-
-/// The representation of a DDS decoder
-pub struct DdsDecoder<R: Read> {
-    #[allow(deprecated)]
-    inner: DxtDecoder<R>,
-}
-
-impl<R: Read> DdsDecoder<R> {
-    /// Create a new decoder that decodes from the stream `r`
-    pub fn new(mut r: R) -> ImageResult<Self> {
-        let mut magic = [0; 4];
-        r.read_exact(&mut magic)?;
-        if magic != b"DDS "[..] {
-            return Err(DecoderError::DdsSignatureInvalid.into());
-        }
-
-        let header = Header::from_reader(&mut r)?;
-
-        if header.pixel_format.flags & 0x4 != 0 {
-            #[allow(deprecated)]
-            let variant = match &header.pixel_format.fourcc {
-                b"DXT1" => DxtVariant::DXT1,
-                b"DXT3" => DxtVariant::DXT3,
-                b"DXT5" => DxtVariant::DXT5,
-                b"DX10" => {
-                    let dx10_header = DX10Header::from_reader(&mut r)?;
-                    // Format equivalents were taken from https://docs.microsoft.com/en-us/windows/win32/direct3d11/texture-block-compression-in-direct3d-11
-                    // The enum integer values were taken from https://docs.microsoft.com/en-us/windows/win32/api/dxgiformat/ne-dxgiformat-dxgi_format
-                    // DXT1 represents the different BC1 variants, DTX3 represents the different BC2 variants and DTX5 represents the different BC3 variants
-                    match dx10_header.dxgi_format {
-                        70 | 71 | 72 => DxtVariant::DXT1, // DXGI_FORMAT_BC1_TYPELESS, DXGI_FORMAT_BC1_UNORM or DXGI_FORMAT_BC1_UNORM_SRGB
-                        73 | 74 | 75 => DxtVariant::DXT3, // DXGI_FORMAT_BC2_TYPELESS, DXGI_FORMAT_BC2_UNORM or DXGI_FORMAT_BC2_UNORM_SRGB
-                        76 | 77 | 78 => DxtVariant::DXT5, // DXGI_FORMAT_BC3_TYPELESS, DXGI_FORMAT_BC3_UNORM or DXGI_FORMAT_BC3_UNORM_SRGB
-                        _ => {
-                            return Err(ImageError::Unsupported(
-                                UnsupportedError::from_format_and_kind(
-                                    ImageFormat::Dds.into(),
-                                    UnsupportedErrorKind::GenericFeature(format!(
-                                        "DDS DXGI Format {}",
-                                        dx10_header.dxgi_format
-                                    )),
-                                ),
-                            ))
-                        }
-                    }
-                }
-                fourcc => {
-                    return Err(ImageError::Unsupported(
-                        UnsupportedError::from_format_and_kind(
-                            ImageFormat::Dds.into(),
-                            UnsupportedErrorKind::GenericFeature(format!(
-                                "DDS FourCC {:?}",
-                                fourcc
-                            )),
-                        ),
-                    ))
-                }
-            };
-
-            #[allow(deprecated)]
-            let bytes_per_pixel = variant.color_type().bytes_per_pixel();
-
-            if crate::utils::check_dimension_overflow(header.width, header.height, bytes_per_pixel)
-            {
-                return Err(ImageError::Unsupported(
-                    UnsupportedError::from_format_and_kind(
-                        ImageFormat::Dds.into(),
-                        UnsupportedErrorKind::GenericFeature(format!(
-                            "Image dimensions ({}x{}) are too large",
-                            header.width, header.height
-                        )),
-                    ),
-                ));
-            }
-
-            #[allow(deprecated)]
-            let inner = DxtDecoder::new(r, header.width, header.height, variant)?;
-            Ok(Self { inner })
-        } else {
-            // For now, supports only DXT variants
-            Err(ImageError::Unsupported(
-                UnsupportedError::from_format_and_kind(
-                    ImageFormat::Dds.into(),
-                    UnsupportedErrorKind::Format(ImageFormatHint::Name("DDS".to_string())),
-                ),
-            ))
-        }
-    }
-}
-
-impl<'a, R: 'a + Read> ImageDecoder<'a> for DdsDecoder<R> {
-    #[allow(deprecated)]
-    type Reader = DxtReader<R>;
-
-    fn dimensions(&self) -> (u32, u32) {
-        self.inner.dimensions()
-    }
-
-    fn color_type(&self) -> ColorType {
-        self.inner.color_type()
-    }
-
-    fn scanline_bytes(&self) -> u64 {
-        self.inner.scanline_bytes()
-    }
-
-    fn into_reader(self) -> ImageResult<Self::Reader> {
-        self.inner.into_reader()
-    }
-
-    fn read_image(self, buf: &mut [u8]) -> ImageResult<()> {
-        self.inner.read_image(buf)
-    }
-}
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn dimension_overflow() {
-        // A DXT1 header set to 0xFFFF_FFFC width and height (the highest u32%4 == 0)
-        let header = vec![
-            0x44, 0x44, 0x53, 0x20, 0x7C, 0x0, 0x0, 0x0, 0x7, 0x10, 0x8, 0x0, 0xFC, 0xFF, 0xFF,
-            0xFF, 0xFC, 0xFF, 0xFF, 0xFF, 0x0, 0xC0, 0x12, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0,
-            0x0, 0x49, 0x4D, 0x41, 0x47, 0x45, 0x4D, 0x41, 0x47, 0x49, 0x43, 0x4B, 0x0, 0x0, 0x0,
-            0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
-            0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0,
-            0x4, 0x0, 0x0, 0x0, 0x44, 0x58, 0x54, 0x31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
-            0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0,
-            0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
-        ];
-
-        assert!(DdsDecoder::new(&header[..]).is_err());
-    }
-}