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Qr code Error Correction Level exposed. #57

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f725c3d
Error Correction level exposed.
AkshatGiri Jun 17, 2018
a40f456
this.props fix.
AkshatGiri Jun 17, 2018
3520a31
Readme updated with errorCorrectLevel
AkshatGiri Jun 17, 2018
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14 changes: 8 additions & 6 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -66,12 +66,14 @@ module.exports = HelloWorld;
```
## Available Props

prop | type | default value
----------|----------------------|--------------
`value` | `string` | `http://facebook.github.io/react-native/`
`size` | `number` | `128`
`bgColor` | `string` (CSS color) | `"#000"`
`fgColor` | `string` (CSS color) | `"#FFF"`
prop | type | default value
--------------------|----------------------|--------------
`value` | `string` | `http://facebook.github.io/react-native/`
`size` | `number` | `128`
`bgColor` | `string` (CSS color) | `"#000"`
`fgColor` | `string` (CSS color) | `"#FFF"`
`errorCorrectLevel` | `number` (1, 0, 3, 2)| `"2"`


<img src='qrcode.png' height = '256' width = '256'/>

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11 changes: 10 additions & 1 deletion lib/QRCode.js
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Expand Up @@ -55,6 +55,13 @@ var QRCode = createReactClass({
fgColor: PropTypes.string,
onLoad: PropTypes.func,
onLoadEnd: PropTypes.func,
// possible values for error correction level
// same as qr.js
// L ( 7% ) : 1,
// M ( 15% ) : 0,
// Q ( 25% ) : 3,
// H ( 30% ) : 2
errorCorrectLevel: PropTypes.number
},

getDefaultProps: function() {
Expand All @@ -65,6 +72,7 @@ var QRCode = createReactClass({
size: 128,
onLoad: () => {},
onLoadEnd: () => {},
errorCorrectLevel: 2 // high error correction ( same as qr.js default )
}
},

Expand All @@ -91,6 +99,7 @@ var QRCode = createReactClass({
render: function() {
var size = this.props.size;
var value = this.utf16to8(this.props.value);
var errorCorrectLevel = this.props.errorCorrectLevel;
return (
<View>
<Canvas
Expand All @@ -99,7 +108,7 @@ var QRCode = createReactClass({
value: this.props.value,
bgColor: this.props.bgColor,
fgColor: this.props.fgColor,
cells: qr(value).modules,
cells: qr(value, { errorCorrectLevel }).modules,
}}
render={renderCanvas}
onLoad={this.props.onLoad}
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