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Rust Image 0.4 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 0.19

  • 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