react-native-rectangle-color-picker v2.0.2

react-native-rectangle-color-picker

A color picker on diamond or rectangle palette.

Install

For RN >= 0.60

npm i --save react-native-rectangle-color-picker react-native-gesture-handler

For RN < 0.60

npm i --save react-native-rectangle-color-picker@1.x react-native-gesture-handler@1.2.2

And be aware of https://github.com/software-mansion/react-native-gesture-handler/issues/1164 if you use react-native-web and want to slide on web.

Usage

import React from 'react';
import tinycolor from 'tinycolor2';
import ColorPicker from 'react-native-rectangle-color-picker';

// if react-native-gesture-handler@1.x, no need <GestureHandlerRootView />
// but just <View />, ref to
// https://docs.swmansion.com/react-native-gesture-handler/docs/guides/migrating-off-rnghenabledroot/
// You should put <GestureHandlerRootView /> in your root component,
// example below is just playing the role of a root component
import {GestureHandlerRootView} from 'react-native-gesture-handler';

export default class SliderColorPickerExample extends React.Component {
    constructor(props) {
        super(props);
        this.state = { oldColor: '#dc402b' };
    }

    componentDidMount() {
        setTimeout(() => this.setState({ oldColor: '#fde200' }), 1000);
    }

    changeColor = colorHsv => this.setState({ oldColor: tinycolor(colorHsv).toHexString() })

    render() {
        return (
            <GestureHandlerRootView style={{alignItems: 'center'}}>
                <ColorPicker
                    ref={view => {this.colorPicker = view;}}
                    oldColor={this.state.oldColor}
                    onColorChange={this.changeColor}
                    textSaturation={'Saturation'}
                    diamond={true}
                    staticPalette={true}/>
            </GestureHandlerRootView>
        );
    }
}

Props

HSV color representation is an object literal with properties:

{
    h: number, // <0, 360>
    s: number, // <0, 1>
    v: number, // <0, 1>
}

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