superset colorUtils 源码
superset colorUtils 代码
文件路径：/superset-frontend/src/utils/colorUtils.ts
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
export function hexToRgb(h: string) {
let r = '0';
let g = '0';
let b = '0';
// 3 digits
if (h.length === 4) {
r = `0x${h[1]}${h[1]}`;
g = `0x${h[2]}${h[2]}`;
b = `0x${h[3]}${h[3]}`;
// 6 digits
} else if (h.length === 7) {
r = `0x${h[1]}${h[2]}`;
g = `0x${h[3]}${h[4]}`;
b = `0x${h[5]}${h[6]}`;
}
return `rgb(${+r}, ${+g}, ${+b})`;
}
export function rgbToHex(red: number, green: number, blue: number) {
let r = red.toString(16);
let g = green.toString(16);
let b = blue.toString(16);
if (r.length === 1) r = `0${r}`;
if (g.length === 1) g = `0${g}`;
if (b.length === 1) b = `0${b}`;
return `#${r}${g}${b}`;
}
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