Customize image to your needs

First, we should download graphicsmagick

Install graphicsmagick

brew install graphicsmagick

sudo apt-get install graphicsmagick

window install

npm install img-order

• maintaining project

• Export API for Developer to processed image(see example)

• Fix image interlace bug
• Add image roate
• Add image crop

Advanced image processing Include

• According to the original EXIF information automatic rotation
• Removal of meta information in the image.
• Gauss fuzzy parameter
• Progressive display
• Picture quality

Basic image processing

If you use experss or koa you just do this

var app = require('express'); // or app = ('koa')
var imgOrder = require('img-order');

var config = {
    dest: 'absolute path to your image dir',    // must
    url: 'the client request url',              // must
    legalImg: 'jpg,jpeg,png,gif',               // option
    tempImgDir: 'cache temp images',            // option(suggest to use)
    maxAge: 2592000                             // cache-control option
}
app.use(imgOrder(config));

Basic Use

imageView /<mode>
    /w/<Width>
    /h/<Height>

Advance use

imagemogr /autoorient
    /strip
    /blur/<radius>x<sigma>
    /format/<Format>
    /quality/<v>
    /crop/<width>x<height>-<x>a<y>
    /rotate/<deg>
    /interlace/<num>

###use as nodejs middleware

...

var imgOrder = require('img-order');
var config = {
  dest: 'C:/Users/david/Pictures/lovewallpaper/',
  url: 'customizeImg',
  tempImgDir: 'C:/Users/david/Pictures/temp'
}
app.use(imgOrder(config));

/*
//basic use
1.customize Image:
 localhost:3100/customizeImg/zz.png?imageView/0/h/500
 and so on...

// advance use
2. advance use
 localhost:3100/customizeImg/zz.jpg?imagemogr/format/png
 localhost:3100/customizeImg/zz.jpg?imagemogr/blur/3x9
 localhost:3100/customizeImg/zz.jpg?imagemogr/quality/50
 ad so on...
*/
...

var imgOrder = require('img-order');
var view = imgOrder.view;
var mogr = imgOrder.mogr;
var fs = require('fs');

view.mode1('absolute/path/to/you/image', 200, null, function(err, stream) {
  var write = fs.createWriteStream('test.jpg');
  stream.pipe(write)    //or stream.pipe(res).  ups to your need
});

mogr.format('absolute/path/to/you/image', 'png', function(err, stream) {
  var write = fs.createWriteStream('test.jpg');
  stream.pipe(write)    //or stream.pipe(res).  ups to your need
});

//And so on...

Basic Use Api

// see Interface specification mode0

view.mode1('absulote imagePath', width, height, callback)

// see Interface specification mode1

view.mode2('absulote imagePath',width, height, callback);

// see Interface specification mode2

view.mode3('absulote imagePath', width, height, callback);

// see Interface specification mode3

view.mode4('absulote imagePath', widht, height, callback);

// see Interface specification mode4

view.mode5('absulote imagePath', widht, height, callback);

// see Interface specification mode5

view.mode6('absulote imagePath', widht, height, callback);

callback:

function(err, stream) {}

Advance Use Api mogr.format('absulote imagePath', formatType(string), callback);

mogr.rotate('absulote imagePath', deg(int | string), callback);

mogr.crop('absulote imagePath', width, height, x, y, callback);

mogr.quality('absulote imagePath', v(int), callback);

mogr.interlace('absulote imagePath', ('Node | Line | Plane | Partition'), callback);

mogr.strip('absulote imagePath', callback);

mogr.blur('absulote imagePath', callback);

mogr.autoOrient('absulote imagePath', callback);

callback:

function(err, stream) {}

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• thumbnail image
• image cut
• format image
• rotate image
• progressive display
• watermark
• EXIF(EXchangeable Image File Format)

MIT