Grunt task (nodejs) to normalize images
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README.md

grunt-image-normalize

Normalize images to some predetermined height and width (https://github.com/dancingplatypus/grunt-imageNormalize).

Overview

Inside your grunt.js file add a section named imageNormalize. This section specifies images to normalize and the size of those images.

Pre-requisites

You will need to have GraphicsMagick installed and available in your path

Parameters

files object

This defines what files this task will process and should contain key:value pairs.

The key (destination) should be an unique filepath (supports grunt.template) and the value (source) should be a filepath or an array of filepaths (supports minimatch).

options object

This controls how this task (and its helpers) operate and should contain key:value pairs, see options below.

Options

height integer

The height of the resulting image in pixels. If the aspect ratio does not match, it will be padded with a transparent background

width integer

The width of the resulting image in pixels. If the aspect ratio does not match, it will be padded with a transparent background

preserveDirectories boolean

If this is false, then any files found in the sources will be flattened. Files of the same name will clobber one another

base_path string

The offset into the source directory to use when preserving directories

Config Example

imageNormalize: {
  target: {
    options: {
      height: 640,
      width: 640,
      preserveDirectories: true,
      baseDirectory: "src"
    },
    src: [
        "src/images/**/*.png": "
    ],
    dest: "public/images"
  }
}