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imagency

Dynamic image generator for markdown writing

Article: Qiita(Japanese)

Quick start

Step 1. install & start

$ git clone https://github.com/tkrkt/imagency.git
$ cd imagency
$ npm install
$ PORT=8888 node index.js

imagency depends on node-canvas.

See node-canvas wiki to install node-canvas.

Step 2. write markdown

Write image tag in your favorite markdown editor:

![alt](http://127.0.0.1:[PORT]/[PluginName]/[Code])

e.g.

![alt](http://127.0.0.1:8888/text/
  text=Hello!
)

then you can get generated image in preview pane.

enjoy!

Caution

Imagency increases the vulnerability of your browser. You should use this tool only when needed.

Plugins

text

generates png image from text.

  • codeType: json/ini
  • params
    • text
    • font
    • textColor
    • bgColor
    • lineSpacing
    • paddng

See text2png for details of params.

JSON(JSON5) style:

![](http://127.0.0.1:8888/text/
{
  text: 'The quick brown fox',
  font: '30px Futura'
  textColor: 'red'
}
)

ini style:

![](http://127.0.0.1:8888/text/
text=The quick brown fox
font=30px Futura
textColor=red
)

eval

evaluates JavaScript code represented as a string.

  • codeType: string
  • param: JavaScript code
![](http://127.0.0.1:8888/eval/
[1,2,3,4].map(a=>a*2).reduce((a,b) => {
  return a*b;
}, 1);

plot

renders functions with function-plot configurations.

  • codeType: json/ini
  • param: options of function-plot
![](http://127.0.0.1:8888/plot/
  {
    data: [
      { fn: 'x^2' },
      { fn: 'sin\(x\)'}
    ]
  }
)

webshot

captures website snapshot with webshot.

  • codeType: string
  • param: url
![](http://127.0.0.1/webshot/
http://google.com
)

uiflow

generates uiflow(Japanese) graph.

  • codeType: string
  • param: uiflow text

Use tilde insteads of hyphen.

[最初に]
ユーザーが見るものを書きます。
~~
ユーザーがする行動を書きます。
[次に]
ユーザーが見るもの
~~
ユーザーがすること１
==> その結果１
ユーザーがすること２
==> その結果２
[その結果１]
結果
[その結果２]
結果