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image-divider

v0.0.1

Published

Divide a large image to small images

Downloads

2

Readme

image-divider

npm version Build Status

Divide a large image to small images

Preparation

Install imagemagick

This npm-module depends on imagemagick CLI tools.

e.g. Mac with Homebrew:

brew install imagemagick

e.g. Debian:

sudo apt-get install imagemagick

Assert ImageMagick is installed:

$convert --version
Version: ImageMagick 6.8.7-7 Q16 x86_64 2013-11-27 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC
Features: DPC Modules
Delegates: bzlib freetype jng jpeg ltdl png xml zlib

Installation

npm install -g image-divider

Usage

  1. Put a configuration file like this

image-divider.js:

module.exports = {
  images: [{
    src: 'path/to/large.png',
    pos: [16, 32],
    size: [16, 16],
    dest: 'path/to/dest/icon-1.png'
  }, {
    src: 'path/to/large.png',
    pos: [16, 48],
    size: [16, 16],
    dest: 'foo/bar/dest/icon-2.png'
  }]
};
  1. Execute a command
image-divider --conf path/to/image-divider.js
  1. Then, two small images are created
$tree foo/bar/dest
foo/bar/dest
├── icon-1.png
└── icon-2.png

Note:

  • --conf, -c option
    • Set a path to configuration file
    • Use ./image-divider.js if it is not set