im-resize


Efficient image resize with support for multiple thumbnail configurations using
ImageMagick's convert command.

Requirements

* ImageMagick

Install

``
npm install im-resize --save
`

API

`js
var resize = require('im-resize');
`

$3

Resize a given source image into several versions.

* object image - source image to resize
* integer width - image pixel width
* integer height - image pixel height
* string path - complete path to source image
* object output - image resize output config
* string prefix image versions name prefix (default "")
* string path image versions directory path
* integrer quality - global version quality (default 80)
* object[] versions - array of version objects
* string suffix - suffix for the resized image (ex. -small)
* integer maxWidth - max width for resized image
* integer maxHeight - max height for resized image
* integer quality - quality for resized image (default 80)
* string aspect - force aspectratio on resized image (ex. 4:3)
* boolean flatten - used in conjunction with background
* string background - set background to transparent image (ex. red)
* string format - image format for resized image (ex. png)
* function cb - callback function (Error error, object[] versions)
* Error error - error output if command failed
* object[] versions - resized image versions
* string path path to the resized image

#### Example

`js
var image = {
path: '/path/to/image.jpg',
width: 5184,
height: 2623
};

var output = {
versions: [{
suffix: '-thumb',
maxHeight: 150,
maxWidth: 150,
aspect: "3:2"
},{
suffix: '-square',
maxWidth: 200,
aspect: "1:1"
}]
};

resize(image, output, function(error, versions) {
if (error) { console.error(error); }
console.log(versions[0].path); // /path/to/image-thumb.jpg
console.log(versions[0].width); // 150
console.log(versions[0].height); // 100

console.log(versions[1].path); // /path/to/image-square.jpg
console.log(versions[1].width); // 200
console.log(versions[1].height); // 200
});
``

MIT License