History of changes

0.5.0

All compressors go in bundle with image-optim (no additional external installations of them).

0.4.1

Fixed the downloading URL of Pngcrush, because it has been changed.

0.4.0

CAUTION! Changes break the backward compatibility!

Tolerance (measurement error) can be set in percentages and bytes, see the docs for more details.

0.3.4

Updated Zopflipng to commit Fix ColorIndex.
Updated Pngcrush to v1.7.85.

0.3.3

Used the version of Pngcrush as in [email protected].

0.3.2

Added sorting of results in reports by property isOptimized (in html report not optimized files come first, in flat report not optimized files come last).

0.3.1

Fixed the downloading URL of Pngcrush, because it has been changed.

0.3.0

Added the HTML and flat reporters of the results.

0.2.0

The value of tolerance option is set in percentages.
Fixed cases when paths to images contain spaces.
Fixed the version of Zopflipng.
Modified the patch for Zopflipng.

0.1.0

Fixed the work of the algorithms on Linux:
- Used module pngout-bin for installing of PNGOUT.
- Patched Zopflipng.
Ported the patch for OptiPNG from ImageOptim.
Removed option keep-chunks from the executable command of Zopflipng.
Moved Zopflipng on the second place in the optimization chain.

0.0.1

Optimization and linting of PNG images.