# Global

## F2.Global

`F2.Global` is the global configuration in F2, it contains following attributes:\
We can get the default value of an attribute by `console.log(F2.Global)`.

| Name            | Type           | Description                                                                                                                                       |
| --------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
| `padding`       | Array / Number | the spacing between the chart plot area and the canvas border. See [here](https://antv.gitbook.io/f2/api/chart#padding). Default value is 'auto'. |
| `appendPadding` | Array / Number | The reserved spacing on the four sides of the chart canvas area. See [here](https://antv.gitbook.io/f2/api/chart#appendpadding).                  |
| `axis`          | Object         | The default configuration for different types of axes.                                                                                            |
| `colors`        | Array          | The default color series.                                                                                                                         |
| `defaultColor`  | String         | The default color.                                                                                                                                |
| `fontFamily`    | String         | The default font family.                                                                                                                          |
| `guide`         | Object         | The default configuration for different types of guides.                                                                                          |
| `legend`        | Object         | The default configuration for different type of legends.                                                                                          |
| `lineDash`      | Array          | The default setting for `lineDash`.                                                                                                               |
| `pixelRatio`    | Number         | The default pixel ratio.                                                                                                                          |
| `shape`         | Object         | The default style configuration for different shapes.                                                                                             |
| `sizes`         | Array          | The default size range for size mapping.                                                                                                          |
| `tooltip`       | Object         | The default tooltip configuration for tooltip.                                                                                                    |
| `version`       | String         | The current version of F2.                                                                                                                        |
| `widthRatio`    | Object         | ratio of width for different shapes.                                                                                                              |

**Methods**

### `Global.setTheme(config)`

Configure F2's charts style. For users to define their own style.

**Parameters**:

| Name     | Type   | Description         |
| -------- | ------ | ------------------- |
| `config` | Object | theme configuration |

Example: 

```javascript
F2.Global.setTheme({
  colors: [ '#F04864', '#D66BCA', '#8543E0', '#8E77ED', '#3436C7', '#737EE6', '#223273', '#7EA2E6' ],
  pixelRatio: 2,
  guide: {
    line: {
      stroke: '#F04864',
      lineWidth: 2
    }
  }
});
```