30 lines
830 B
JavaScript
30 lines
830 B
JavaScript
export default {
|
|
//hex颜色转rgb颜色
|
|
HexToRgb(str) {
|
|
str = str.replace("#", "")
|
|
var hxs = str.match(/../g)
|
|
for (var i = 0; i < 3; i++) hxs[i] = parseInt(hxs[i], 16)
|
|
return hxs
|
|
},
|
|
//rgb颜色转hex颜色
|
|
RgbToHex(a, b, c) {
|
|
var hexs = [a.toString(16), b.toString(16), c.toString(16)]
|
|
for (var i = 0; i < 3; i++) {
|
|
if (hexs[i].length == 1) hexs[i] = "0" + hexs[i]
|
|
}
|
|
return "#" + hexs.join("");
|
|
},
|
|
//加深
|
|
darken(color, level) {
|
|
var rgbc = this.HexToRgb(color)
|
|
for (var i = 0; i < 3; i++) rgbc[i] = Math.floor(rgbc[i] * (1 - level))
|
|
return this.RgbToHex(rgbc[0], rgbc[1], rgbc[2])
|
|
},
|
|
//变淡
|
|
lighten(color, level) {
|
|
var rgbc = this.HexToRgb(color)
|
|
for (var i = 0; i < 3; i++) rgbc[i] = Math.floor((255 - rgbc[i]) * level + rgbc[i])
|
|
return this.RgbToHex(rgbc[0], rgbc[1], rgbc[2])
|
|
}
|
|
}
|