odiffr - Fast Pixel-by-Pixel Image Comparison Using 'odiff'

R bindings to 'odiff', a fast SIMD pixel-by-pixel image comparison tool <https://github.com/dmtrKovalenko/odiff>. Compares PNG, JPEG, WEBP, TIFF and BMP images, plots and PDF pages with configurable thresholds, antialiasing detection and ignore regions. Provides 'testthat' expectations and snapshot testing (including for 'shinytest2' screenshots), batch and directory comparison, HTML, Markdown and JUnit reports, baseline approval and audit records. Requires the 'odiff' binary, which can be downloaded with install_odiff().