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GaoHao
2025-02-07 14:49:20 +08:00
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components/t-color-picker/t-color-picker.vue Normal file
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<template>
<view v-show="show" class="t-wrapper" @touchmove.stop.prevent="moveHandle">
<view class="t-mask" :class="{active:active}" @click.stop="close"></view>
<view class="t-box" :class="{active:active}">
<view class="t-header">
<view class="t-header-button" @click="close">取消</view>
<view class="t-header-button" @click="confirm">确认</view>
</view>
<view class="t-color__box" :style="{ background: 'rgb(' + bgcolor.r + ',' + bgcolor.g + ',' + bgcolor.b + ')'}">
<view class="t-background boxs" @touchstart="touchstart($event, 0)" @touchmove="touchmove($event, 0)" @touchend="touchend($event, 0)">
<view class="t-color-mask"></view>
<view class="t-pointer" :style="{ top: site[0].top - 8 + 'px', left: site[0].left - 8 + 'px' }"></view>
</view>
</view>
<view class="t-control__box">
<view class="t-control__color">
<view class="t-control__color-content" :style="{ background: 'rgba(' + rgba.r + ',' + rgba.g + ',' + rgba.b + ',' + rgba.a + ')' }"></view>
</view>
<view class="t-control-box__item">
<view class="t-controller boxs" @touchstart="touchstart($event, 1)" @touchmove="touchmove($event, 1)" @touchend="touchend($event, 1)">
<view class="t-hue">
<view class="t-circle" :style="{ left: site[1].left - 12 + 'px' }"></view>
</view>
</view>
<view class="t-controller boxs" @touchstart="touchstart($event, 2)" @touchmove="touchmove($event, 2)" @touchend="touchend($event, 2)">
<view class="t-transparency">
<view class="t-circle" :style="{ left: site[2].left - 12 + 'px' }"></view>
</view>
</view>
</view>
</view>
<view class="t-result__box">
<view v-if="mode" class="t-result__item">
<view class="t-result__box-input">{{hex}}</view>
<view class="t-result__box-text">HEX</view>
</view>
<template v-else>
<view class="t-result__item">
<view class="t-result__box-input">{{rgba.r}}</view>
<view class="t-result__box-text">R</view>
</view>
<view class="t-result__item">
<view class="t-result__box-input">{{rgba.g}}</view>
<view class="t-result__box-text">G</view>
</view>
<view class="t-result__item">
<view class="t-result__box-input">{{rgba.b}}</view>
<view class="t-result__box-text">B</view>
</view>
<view class="t-result__item">
<view class="t-result__box-input">{{rgba.a}}</view>
<view class="t-result__box-text">A</view>
</view>
</template>
<view class="t-result__item t-select" @click="select">
<view class="t-result__box-input">
<view>切换</view>
<view>模式</view>
</view>
</view>
</view>
<view class="t-alternative">
<view class="t-alternative__item" v-for="(item,index) in colorList" :key="index">
<view class="t-alternative__item-content" :style="{ background: 'rgba(' + item.r + ',' + item.g + ',' + item.b + ',' + item.a + ')' }"
@click="selectColor(item)">
</view>
</view>
</view>
</view>
</view>
</template>
<script>
export default {
props: {
color: {
type: Object,
default () {
return {
r: 0,
g: 0,
b: 0,
a: 0
}
}
},
spareColor: {
type: Array,
default () {
return []
}
}
},
data() {
return {
show: false,
active: false,
// rgba 颜色
rgba: {
r: 0,
g: 0,
b: 0,
a: 1
},
// hsb 颜色
hsb: {
h: 0,
s: 0,
b: 0
},
site: [{
top: 0,
left: 0
}, {
left: 0
}, {
left: 0
}],
index: 0,
bgcolor: {
r: 255,
g: 0,
b: 0,
a: 1
},
hex: '#000000',
mode: true,
colorList: [{
r: 244,
g: 67,
b: 54,
a: 1
}, {
r: 233,
g: 30,
b: 99,
a: 1
}, {
r: 156,
g: 39,
b: 176,
a: 1
}, {
r: 103,
g: 58,
b: 183,
a: 1
}, {
r: 63,
g: 81,
b: 181,
a: 1
}, {
r: 33,
g: 150,
b: 243,
a: 1
}, {
r: 3,
g: 169,
b: 244,
a: 1
}, {
r: 0,
g: 188,
b: 212,
a: 1
}, {
r: 0,
g: 150,
b: 136,
a: 1
}, {
r: 76,
g: 175,
b: 80,
a: 1
}, {
r: 139,
g: 195,
b: 74,
a: 1
}, {
r: 205,
g: 220,
b: 57,
a: 1
}, {
r: 255,
g: 235,
b: 59,
a: 1
}, {
r: 255,
g: 193,
b: 7,
a: 1
}, {
r: 255,
g: 152,
b: 0,
a: 1
}, {
r: 255,
g: 87,
b: 34,
a: 1
}, {
r: 121,
g: 85,
b: 72,
a: 1
}, {
r: 158,
g: 158,
b: 158,
a: 1
}, {
r: 0,
g: 0,
b: 0,
a: 0.5
}, {
r: 0,
g: 0,
b: 0,
a: 0
}, ]
};
},
created() {
this.rgba = this.color;
if (this.spareColor.length !== 0) {
this.colorList = this.spareColor;
}
},
methods: {
/**
* 初始化
*/
init() {
// hsb 颜色
this.hsb = this.rgbToHex(this.rgba);
// this.setColor();
this.setValue(this.rgba);
},
moveHandle() {},
open() {
this.show = true;
this.$nextTick(() => {
this.init();
setTimeout(() => {
this.active = true;
setTimeout(() => {
this.getSelectorQuery();
}, 350)
}, 50)
})
},
close() {
this.active = false;
this.$nextTick(() => {
setTimeout(() => {
this.show = false;
}, 500)
})
},
confirm() {
this.close();
this.$emit('confirm', {
rgba: this.rgba,
hex: this.hex
})
},
// 选择模式
select() {
this.mode = !this.mode
},
// 常用颜色选择
selectColor(item) {
this.setColorBySelect(item)
},
touchstart(e, index) {
const {
pageX,
pageY
} = e.touches[0];
this.pageX = pageX;
this.pageY = pageY;
this.setPosition(pageX, pageY, index);
},
touchmove(e, index) {
const {
pageX,
pageY
} = e.touches[0];
this.moveX = pageX;
this.moveY = pageY;
this.setPosition(pageX, pageY, index);
},
touchend(e, index) {},
/**
* 设置位置
*/
setPosition(x, y, index) {
this.index = index;
const {
top,
left,
width,
height
} = this.position[index];
// 设置最大最小值
this.site[index].left = Math.max(0, Math.min(parseInt(x - left), width));
if (index === 0) {
this.site[index].top = Math.max(0, Math.min(parseInt(y - top), height));
// 设置颜色
this.hsb.s = parseInt((100 * this.site[index].left) / width);
this.hsb.b = parseInt(100 - (100 * this.site[index].top) / height);
this.setColor();
this.setValue(this.rgba);
} else {
this.setControl(index, this.site[index].left);
}
},
/**
* 设置 rgb 颜色
*/
setColor() {
const rgb = this.HSBToRGB(this.hsb);
this.rgba.r = rgb.r;
this.rgba.g = rgb.g;
this.rgba.b = rgb.b;
},
/**
* 设置二进制颜色
* @param {Object} rgb
*/
setValue(rgb) {
this.hex = '#' + this.rgbToHex(rgb);
},
setControl(index, x) {
const {
top,
left,
width,
height
} = this.position[index];
if (index === 1) {
this.hsb.h = parseInt((360 * x) / width);
this.bgcolor = this.HSBToRGB({
h: this.hsb.h,
s: 100,
b: 100
});
this.setColor()
} else {
this.rgba.a = (x / width).toFixed(1);
}
this.setValue(this.rgba);
},
/**
* rgb 转 二进制 hex
* @param {Object} rgb
*/
rgbToHex(rgb) {
let hex = [rgb.r.toString(16), rgb.g.toString(16), rgb.b.toString(16)];
hex.map(function(str, i) {
if (str.length == 1) {
hex[i] = '0' + str;
}
});
return hex.join('');
},
setColorBySelect(getrgb) {
const {
r,
g,
b,
a
} = getrgb;
let rgb = {}
rgb = {
r: r ? parseInt(r) : 0,
g: g ? parseInt(g) : 0,
b: b ? parseInt(b) : 0,
a: a ? a : 0,
};
this.rgba = rgb;
this.hsb = this.rgbToHsb(rgb);
this.changeViewByHsb();
},
changeViewByHsb() {
const [a, b, c] = this.position;
this.site[0].left = parseInt(this.hsb.s * a.width / 100);
this.site[0].top = parseInt((100 - this.hsb.b) * a.height / 100);
this.setColor(this.hsb.h);
this.setValue(this.rgba);
this.bgcolor = this.HSBToRGB({
h: this.hsb.h,
s: 100,
b: 100
});
this.site[1].left = this.hsb.h / 360 * b.width;
this.site[2].left = this.rgba.a * c.width;
},
/**
* hsb 转 rgb
* @param {Object} 颜色模式 H(hues)表示色相，S(saturation)表示饱和度，B（brightness）表示亮度
*/
HSBToRGB(hsb) {
let rgb = {};
let h = Math.round(hsb.h);
let s = Math.round((hsb.s * 255) / 100);
let v = Math.round((hsb.b * 255) / 100);
if (s == 0) {
rgb.r = rgb.g = rgb.b = v;
} else {
let t1 = v;
let t2 = ((255 - s) * v) / 255;
let t3 = ((t1 - t2) * (h % 60)) / 60;
if (h == 360) h = 0;
if (h < 60) {
rgb.r = t1;
rgb.b = t2;
rgb.g = t2 + t3;
} else if (h < 120) {
rgb.g = t1;
rgb.b = t2;
rgb.r = t1 - t3;
} else if (h < 180) {
rgb.g = t1;
rgb.r = t2;
rgb.b = t2 + t3;
} else if (h < 240) {
rgb.b = t1;
rgb.r = t2;
rgb.g = t1 - t3;
} else if (h < 300) {
rgb.b = t1;
rgb.g = t2;
rgb.r = t2 + t3;
} else if (h < 360) {
rgb.r = t1;
rgb.g = t2;
rgb.b = t1 - t3;
} else {
rgb.r = 0;
rgb.g = 0;
rgb.b = 0;
}
}
return {
r: Math.round(rgb.r),
g: Math.round(rgb.g),
b: Math.round(rgb.b)
};
},
rgbToHsb(rgb) {
let hsb = {
h: 0,
s: 0,
b: 0
};
let min = Math.min(rgb.r, rgb.g, rgb.b);
let max = Math.max(rgb.r, rgb.g, rgb.b);
let delta = max - min;
hsb.b = max;
hsb.s = max != 0 ? 255 * delta / max : 0;
if (hsb.s != 0) {
if (rgb.r == max) hsb.h = (rgb.g - rgb.b) / delta;
else if (rgb.g == max) hsb.h = 2 + (rgb.b - rgb.r) / delta;
else hsb.h = 4 + (rgb.r - rgb.g) / delta;
} else hsb.h = -1;
hsb.h *= 60;
if (hsb.h < 0) hsb.h = 0;
hsb.s *= 100 / 255;
hsb.b *= 100 / 255;
return hsb;
},
getSelectorQuery() {
const views = uni.createSelectorQuery().in(this);
views
.selectAll('.boxs')
.boundingClientRect(data => {
if (!data || data.length === 0) {
setTimeout(() => this.getSelectorQuery(), 20)
return
}
this.position = data;
// this.site[0].top = data[0].height;
// this.site[0].left = 0;
// this.site[1].left = data[1].width;
// this.site[2].left = data[2].width;
this.setColorBySelect(this.rgba);
})
.exec();
}
},
watch: {
spareColor(newVal) {
this.colorList = newVal;
}
}
};
</script>
<style>
.t-wrapper {
position: fixed;
top: 0;
bottom: 0;
left: 0;
width: 100%;
box-sizing: border-box;
z-index: 9999;
}
.t-box {
width: 100%;
position: absolute;
bottom: 0;
padding: 30upx 0;
padding-top: 0;
background: #fff;
transition: all 0.3s;
transform: translateY(100%);
}
.t-box.active {
transform: translateY(0%);
}
.t-header {
display: flex;
justify-content: space-between;
width: 100%;
height: 100upx;
border-bottom: 1px #eee solid;
box-shadow: 1px 0 2px rgba(0, 0, 0, 0.1);
background: #fff;
}
.t-header-button {
display: flex;
align-items: center;
width: 150upx;
height: 100upx;
font-size: 30upx;
color: #666;
padding-left: 20upx;
}
.t-header-button:last-child {
justify-content: flex-end;
padding-right: 20upx;
}
.t-mask {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.6);
z-index: -1;
transition: all 0.3s;
opacity: 0;
}
.t-mask.active {
opacity: 1;
}
.t-color__box {
position: relative;
height: 400upx;
background: rgb(255, 0, 0);
overflow: hidden;
box-sizing: border-box;
margin: 0 20upx;
margin-top: 20upx;
box-sizing: border-box;
}
.t-background {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));
}
.t-color-mask {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
width: 100%;
height: 400upx;
background: linear-gradient(to top, #000, rgba(0, 0, 0, 0));
}
.t-pointer {
position: absolute;
bottom: -8px;
left: -8px;
z-index: 2;
width: 15px;
height: 15px;
border: 1px #fff solid;
border-radius: 50%;
}
.t-show-color {
width: 100upx;
height: 50upx;
}
.t-control__box {
margin-top: 50upx;
width: 100%;
display: flex;
padding-left: 20upx;
box-sizing: border-box;
}
.t-control__color {
flex-shrink: 0;
width: 100upx;
height: 100upx;
border-radius: 50%;
background-color: #fff;
background-image: linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%, #eee),
linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%, #eee);
background-size: 36upx 36upx;
background-position: 0 0, 18upx 18upx;
border: 1px #eee solid;
overflow: hidden;
}
.t-control__color-content {
width: 100%;
height: 100%;
}
.t-control-box__item {
display: flex;
flex-direction: column;
justify-content: space-between;
width: 100%;
padding: 0 30upx;
}
.t-controller {
position: relative;
width: 100%;
height: 16px;
background-color: #fff;
background-image: linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%, #eee),
linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%, #eee);
background-size: 32upx 32upx;
background-position: 0 0, 16upx 16upx;
}
.t-hue {
width: 100%;
height: 100%;
background: linear-gradient(to right, #f00 0%, #ff0 17%, #0f0 33%, #0ff 50%, #00f 67%, #f0f 83%, #f00 100%);
}
.t-transparency {
width: 100%;
height: 100%;
background: linear-gradient(to right, rgba(0, 0, 0, 0) 0%, rgb(0, 0, 0));
}
.t-circle {
position: absolute;
/* right: -10px; */
top: -2px;
width: 20px;
height: 20px;
box-sizing: border-box;
border-radius: 50%;
background: #fff;
box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.1);
}
.t-result__box {
margin-top: 20upx;
padding: 10upx;
width: 100%;
display: flex;
box-sizing: border-box;
}
.t-result__item {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 10upx;
width: 100%;
box-sizing: border-box;
}
.t-result__box-input {
padding: 10upx 0;
width: 100%;
font-size: 28upx;
box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.1);
color: #999;
text-align: center;
background: #fff;
}
.t-result__box-text {
margin-top: 10upx;
font-size: 28upx;
line-height: 2;
}
.t-select {
flex-shrink: 0;
width: 150upx;
padding: 0 30upx;
}
.t-select .t-result__box-input {
border-radius: 10upx;
border: none;
color: #999;
box-shadow: 1px 1px 2px 1px rgba(0, 0, 0, 0.1);
background: #fff;
}
.t-select .t-result__box-input:active {
box-shadow: 0px 0px 1px 0px rgba(0, 0, 0, 0.1);
}
.t-alternative {
display: flex;
flex-wrap: wrap;
/* justify-content: space-between; */
width: 100%;
padding-right: 10upx;
box-sizing: border-box;
}
.t-alternative__item {
margin-left: 12upx;
margin-top: 10upx;
width: 50upx;
height: 50upx;
border-radius: 10upx;
background-color: #fff;
background-image: linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%, #eee),
linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%, #eee);
background-size: 36upx 36upx;
background-position: 0 0, 18upx 18upx;
border: 1px #eee solid;
overflow: hidden;
}
.t-alternative__item-content {
width: 50upx;
height: 50upx;
background: rgba(255, 0, 0, 0.5);
}
.t-alternative__item:active {
transition: all 0.3s;
transform: scale(1.1);
}
</style>