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imagemin-pngquant-gfw

v0.2.0

Published

pngquant imagemin plugin for gfw

Downloads

1

Readme

imagemin-pngquant-gfw

pngquant imagemin plugin

Install

$ npm install --save imagemin-pngquant-gfw

Usage

var Imagemin = require('imagemin');
var pngquant = require('imagemin-pngquant-gfw');

var imagemin = new Imagemin()
	.src('images/*.png')
	.dest('build/images')
	.use(pngquant({ quality: '65-80', speed: 4 }));

imagemin.run(function (err, files) {
	if (err) {
		throw err;
	}

	console.log('Files optimized successfully!'); 
});

You can also use this plugin with gulp:

var gulp = require('gulp');
var pngquant = require('imagemin-pngquant-gfw');

gulp.task('default', function () {
	return gulp.src('images/*.png')
		.pipe(pngquant({ quality: '65-80', speed: 4 })())
		.pipe(gulp.dest('build/images'));
});

Options

floyd

Type: Number
Default: 0.5

Controls level of dithering (0 = none, 1 = full).

nofs

Type: Boolean
Default: false

Disable Floyd-Steinberg dithering.

posterize

Type: Number
Default: undefined

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).

quality

Type: String
Default: undefined

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.

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.

verbose

Type: Boolean
Default: false

Print verbose status messages.

License

MIT © anhulife