imgdiff Present two images side-by-side for visual comparison
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imgdiff Description

Present two images side-by-side for visual comparison imgdiff is a command-line tool that combines two pictures into a single, larger one, and opens a GUI window (provided by the Python Imaging Library) or an external image viewer.You could use it with a version control tool, e.g.bzr diff *.png --using=imgdifforbzr diff *.png --using='imgdiff --eog -H'Installation:pip install imgdiff or download it from PyPI.Usage:Run imgdiff --help to see this help message:Usage: imgdiff image1 image2Compare two images side-by-sideOptions: -h, --help show this help message and exit -o OUTFILE write the combined image to a file --viewer=COMMAND use an external image viewer (default: builtin) --eog use Eye of Gnome (same as --viewer eog) --grace=SECONDS seconds to wait before removing temporary file when using an external viewer (default: 1.0) -H, --highlight highlight differences (EXPERIMENTAL) -S, --smart-highlight highlight differences in a smarter way (EXPERIMENTAL) --opacity=OPACITY minimum opacity for highlighting (default 64) --auto pick orientation automatically (default) --lr, --left-right force orientation to left-and-right --tb, --top-bottom force orientation to top-and-bottom --bgcolor=RGB background color (default: fff) --sepcolor=RGB separator line color (default: ccc) --spacing=N spacing between images (default: 3 pixels) --border=N border around images (default: 0 pixels) --selftest run unit tests Requirements: · Python What's New in This Release: · Accepts directory names: imgdiff dir1/img.png dir2/. · Centers images relative to each other if they have different width/height. · Automatic orientation (--auto) uses the golden ratio (1:1.618) as its goal for desired height:width instead of a 1:1 square. · New experimental options: --highlight (-H) and --smart-highlight (-S). These highlight areas that are different and fade out areas that are similar. Or at least they try. · New options for tweaking the output: --bgcolor, --sepcolor, --spacing, --border, --opacity. · New option: --eog as alias for --viewer eog, but shorter. Guess what desktop environment I'm using. ;-) · A puny "test suite", runnable with imgdiff --selftest. · Better source code documentation via docstrings.

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