imagemin-pngquant
pngquant imagemin plugin
Install
$ npm install --save imagemin-pngquant
Usage
const Imagemin = require('imagemin');
const imageminPngquant = require('imagemin-pngquant');
const Imagemin()
.src('images/*.png')
.dest('build/images')
.use(imageminPngquant({quality: '65-80', speed: 4}))
.run();
You can also use this plugin with gulp:
const gulp = require('gulp');
const imageminPngquant = require('imagemin-pngquant');
gulp.task('default', () => {
return gulp.src('images/*.png')
.pipe(imageminPngquant({quality: '65-80', speed: 4})())
.pipe(gulp.dest('build/images'));
});
API
imageminPngquant(options)
options.floyd
Type: number
, boolean
Default: 0.5
Controls level of dithering (0 = none, 1 = full).
options.nofs
Type: boolean
Default: false
Disable Floyd-Steinberg dithering.
options.posterize
Type: number
Reduce precision of the palette by number of bits. Use when the image will be
displayed on low-depth screens (e.g. 16-bit displays or compressed textures).
options.quality
Type: string
Instructs pngquant to use the least amount of colors required to meet or exceed
the max quality. If conversion results in quality below the min quality the
image won't be saved.
Min and max are numbers in range 0 (worst) to 100 (perfect), similar to JPEG.
options.speed
Type: number
Default: 3
Speed/quality trade-off from 1
(brute-force) to 10
(fastest). Speed 10
has
5% lower quality, but is 8 times faster than the default.
options.verbose
Type: boolean
Default: false
Print verbose status messages.
License
MIT © imagemin