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Rust Image Release Notes

Rust image aims to be a pure-Rust implementation of various popular image formats. Accompanying reading/write support, rust image provides basic imaging processing function. See README.md for further details.

Known issues

  • Interlaced (progressive) or animated images are not well supported.
  • Images with n bit/channel (n ≠ 8) are not well supported.

Changes

Version 0.21.3

  • Fixed an issue in HdrDecoder::read_image_transform that could drop uninitialized instances of arbitrary types on panic or expose uninitialized memory. The fix entails not dropping any value on error or panic, the method should only be used to read to types without Drop implementations.

Version 0.21.2

  • Fixed a variety of crashes and opaque errors in webp
  • Updated the png limits to be less restrictive
  • Reworked even more unsafe operations into safe alternatives
  • Derived Debug on FilterType and Deref on Pixel
  • Removed a restriction on DXT to always require power of two dimensions
  • Change the encoding of RGBA in bmp using bitfields
  • Corrected various urls

Version 0.21.1

  • A fairly important bugfix backport
  • Fixed a potentially memory safety issue in the hdr and tiff decoders, see #885
  • See the full advisory for an analysis
  • Fixes ImageBuffer index calculation for very, very large images
  • Fix some crashes while parsing specific incomplete pnm images
  • Added comprehensive fuzzing for the pam image types

Version 0.21

  • Updated README to use GenericImageView
  • Removed outdated version number from CHANGES
  • Compiles now with wasm-unknown-emscripten target
  • Restructured ImageDecoder trait
  • Updated README with a more colorful example for the Julia fractal
  • Use Rust 1.24.1 as minimum supported version
  • Support for loading GIF frames one at a time with animation::Frames
  • The TGA decoder now recognizes 32 bpp as RGBA(8)
  • Fixed to_bgra document comment
  • Added release test script
  • Removed unsafe code blocks several places
  • Fixed overlay overflow bug issues with documented proofs

Version 0.20

  • Clippy lint pass
  • Updated num-rational dependency
  • Added BGRA and BGR color types
  • Improved performance of image resizing
  • Improved PBM decoding
  • PNM P4 decoding now returns bits instead of bytes
  • Fixed move of overlapping buffers in BMP decoder
  • Fixed some document comments
  • GenericImage and GenericImageView is now object-safe
  • Moved TIFF code to its own library
  • Fixed README examples
  • Fixed ordering of interpolated parameters in TIFF decode error string
  • Thumbnail now handles upscaling
  • GIF encoding for multiple frames
  • Improved subimages API
  • Cargo fmt fixes

Version 0.19

  • Fixed panic when blending with alpha zero.
  • Made save consistent.
  • Consistent size calculation.
  • Fixed bug in apply_with_alpha.
  • Implemented TGADecoder::read_scanline.
  • Use deprecated attribute for pixels_mut.
  • Fixed bug in JPEG grayscale encoding.
  • Fixed multi image TIFF.
  • PNM encoder.
  • Added #[derive(Hash)] for ColorType.
  • Use num-derive for #[derive(FromPrimitive)].
  • Added into_frames implementation for GIF.
  • Made rayon an optional dependency.
  • Fixed issue where resizing image did not give exact width/height.
  • Improved downscale.
  • Added a way to expose options when saving files.
  • Fixed some compiler warnings.
  • Switched to lzw crate instead of using built-in version.
  • Added ExactSizeIterator implementations to buffer structs.
  • Added resize_to_fill method.
  • DXT encoding support.
  • Applied clippy suggestions.

Version 0.4

  • Various improvements.
  • Additional supported image formats (BMP and ICO).
  • GIF and PNG codec moved into separate crates.

Version 0.3

  • Replace std::old_io with std::io.

Version 0.2

  • Support for interlaced PNG images.
  • Writing support for GIF images (full color and paletted).
  • Color quantizer that converts 32bit images to paletted including the alpha channel.
  • Initial support for reading TGA images.
  • Reading support for TIFF images (packbits and FAX compression not supported).
  • Various bug fixes and improvements.

Version 0.1

  • Initial release
  • Basic reading support for png, jpeg, gif, ppm and webp.
  • Basic writing support for png and jpeg.
  • A collection of basic imaging processing function like blur or invert