multiple-resolutions.md

Multiple resolutions

If you neet to resize one source image to one or more output images in different resolutions.

var gulp = require('gulp')
var $ = require('gulp-load-plugins')()

gulp.task('images', function () {
  return gulp
    .src('src/*.{jpg,png}')
    .pipe(
      $.responsive(
        {
          // Resize all JPG images to three different sizes: 200, 500, and 630 pixels
          '*.jpg': [
            {
              width: 200,
              rename: { suffix: '-200px' }
            },
            {
              width: 500,
              rename: { suffix: '-500px' }
            },
            {
              width: 630,
              rename: { suffix: '-630px' }
            },
            {
              // Compress, strip metadata, and rename original image
              rename: { suffix: '-original' }
            }
          ],
          // Resize all PNG images to be retina ready
          '*.png': [
            {
              width: 250
            },
            {
              width: 250 * 2,
              rename: { suffix: '@2x' }
            }
          ]
        },
        {
          // Global configuration for all images
          // The output quality for JPEG, WebP and TIFF output formats
          quality: 70,
          // Use progressive (interlace) scan for JPEG and PNG output
          progressive: true,
          // Strip all metadata
          withMetadata: false
        }
      )
    )
    .pipe(gulp.dest('dist'))
})

gulp-responsive