js实现在线图片亮度色度对比度饱和度可视化增减调节生成css代码-html代码-BFW代码库

代码语言：html
代码描述：js实现在线图片亮度色度对比度饱和度可视化增减调节生成css代码，鼠标附上去后显示调节操作区域，点击可增减响应的值。
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  


  
<style>

*,::before,::after{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
button{
    -webkit-appearance: none;
       -moz-appearance: none;
            appearance: none;
    background-color: transparent;
    border: none;
    cursor: pointer;
    outline: none;
    padding: 0;
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    text-decoration: none;
    text-transform: none;
    line-height: normal;
    overflow: visible;
}
:root{
    --center-size: 290px;
    --center-text: -125px;
    --center-text-offset: 130px;
    --center-img-size: 220px;
    --border-clr: white;
}

body{
    background-color: var(--border-clr);
    min-height: 100svh;
    font-family: system-ui;
}
.popart{
    --gap: 10px;

    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    height: 100svh;
    gap: var(--gap);
}

.popart .img {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--border-clr);
}
.popart img{
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
    transition: opacity 300ms ease-in-out;
}

/* center image - this gets all the filters */
.popart .img:nth-of-type(1) {
    position: absolute; 
    inset: 0;
    margin: auto;
    width: var(--center-img-size);
    height: var(--center-img-size);
    z-index: 999;
    border: var(--gap) solid var(--border-clr); 
    border-radius: 50%;
    filter: 
        saturate(var(--saturate))
        brightness(var(--brightness))
        hue-rotate(var(--hue-rotate))
        contrast(var(--contrast));
}
.popart .img:nth-of-type(2) {
    filter: saturate(var(--saturate));
}
.popart .img:nth-of-type(3) {
    filter: brightness(var(--brightness));
}
.popart .img:nth-of-type(4) {
    filter: hue-rotate(var(--hue-rotate)); 
}
.popart .img:nth-of-type(5) {
    filter: contrast(var(--contrast));
}


.options {
    --_btn-deg-clr: #8cc9c6;
    --_btn-bg: #FFF;

    position: absolute;
    z-index: 100;
    inset: 0;
    margin: auto;
    display: grid;
    text-transform: uppercase;
    place-items: center;
    cursor: pointer;
    transition: scale 500ms ease-in-out;
    scale: 0;
}

body:hover .options{
    scale: 1;
}
.options .btn-data button{
    border-radius: 50%;
    width: 1rem;
    height: 1rem;
    padding: .75rem;
    display: grid;
    place-content: center;
    z-index: 300;
    transition: 300ms ease-in-out;
    rotate: -90deg;
}
[data-direction="plus"]{
   translate: -5px; /* hack to fix plus button position - I need to do this propertly */
}
.options .btn-data:hover button{
    background: #777;
    color: white
}

.options .btn-data button:hover {
    background: black;
    color: white
}

.options span {
    translate: var(--center-text) 0;
    transform-origin: var(--center-text-offset);
    position: relative;
}
.options > * {
    grid-area: 1/1;
}
.options .btn-data {
    display: grid;
    place-items: center;
    background-color: var(--_btn-bg);
    z-index: 200;
    width: var(--center-size);
    height: var(--center-size);
    border-radius: 50%;
    transition: 300ms ease-in-out;
    opacity: .8;
    scale: 100%;
    -webkit-clip-path: polygon(0 0, 42% 0, 50% 50%, 0 42%);
            clip-path: polygon(0 0, 42% 0, 50% 50%, 0 42%);
    isolation: isolate;
    rotate: var(--_btn-rotate);
}
.options .btn-data::after{
    content: '';
    position: absolute;
    inset: 0;
    background: conic-gradient(from var(--deg) at 50% 50%, transparent, var(--_btn-deg-clr));
    border-radius: 50%;
    z-index: -1;
}
.options .btn-data:hover{
    scale: 110%;
    opacity: 1;
}

.options .btn-data span {
    grid-area: 1/1;
    rotate: var(--rot);
    font-family: monospace;
    font-size: 0.8rem;
    transition: transform-origin var(--dur), translate var(--dur);
}

/* place the letter - this allows us to rotate the content without extra HTML markup */
.options .btn-data span::before {
    content: attr(data-char);
    rotate: -90deg;
    display: block;
}

.options .btn-data:nth-child(1) {
    --_btn-rotate: 0deg;
    
}
.options .btn-data:nth-child(2){
    --_btn-rotate: 90deg;
    --_btn-deg: 335deg;
}
.options .btn-data:nth-child(3) {
    --_btn-rotate: 270deg;
    --_btn-deg: 315deg;
}
.options .btn-data:nth-child(4) {
    --_btn-rotate: 180deg;
    --_btn-deg: 325deg;
}



.buttons{
    position: absolute;
    top: 50%;
    left: 50%;
    translate: -50% -50%;

    width: calc(var(--center-size) + 1.5rem);
    height: calc(var(--center-size) + 1.5rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 999;
    pointer-events: none;
}

.buttons button{
    color: black;
    transition: 500ms ease-in-out;
    background-color: #8cc9c6;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    display: grid;
    place-content: center;
    pointer-events: auto;
    scale: 0;
}
body:hover .buttons button{
    scale: 1;
     /*transition-delay: 500ms; */
}
.buttons button:nth-child(2){
    translate: 0 calc(var(--center-size) / 2 - .5rem);
}
.buttons button svg{
    width: 1rem;
    height: 1rem;
}
.buttons button:hover{
    background-color: black;
    color: white;
}

@media (min-width: 720px) {
    :root {
        --center-size: 450px;
        --center-text: -200px;
        --center-text-offset: 205px;
        --center-img-size: 370px;
    }
    .buttons button{
        width: 2.75rem;
        height: 2.75rem;
    }
    .buttons button svg {
        width: 1.5rem;
        height: 1.5rem;
    }
}
</style>

  
</head>

<body translate="no">
  <div id="popart" class="popart" style="--saturate:100%; --brightness:100%; --hue-rotate: 0deg; --contrast:100%; ">
  <div class="img">
    <img src="//repo.bfw.wiki/bfwrepo/image/66405bc9ca10c.png">
  </div>
  <div class="img">
    <img src="//repo.bfw.wiki/bfwrepo/image/66405bc9ca10c.png">
  </div>
  <div class="img">
    <img src="//repo.bfw.wiki/bfwrepo/image/66405bc9ca10c.png">
  </div>
  <div class="img">
    <img src="//repo.bfw.wiki/bfwrepo/image/66405bc9ca10c.png">
  </div>
  <div class="img">
    <img src="//repo.bfw.wiki/bfwrepo/image/66405bc9ca10c.png">
  </div>
</div>

<section class="options">

  <div class="btn-data" id="control-saturate" style="--deg: 315deg;">
    <span style="--rot:15deg;"><button type="button" data-direction="minus" data-type="saturate" title="Decrease Saturation">-</button></span>
    <span data-char="s" style="--rot:25deg;"></span>
    <span data-char="a" style="--rot:29deg;"></span>
    <span data-char="t" style="--rot:33deg;"></span>
    <span data-char="u" style="--rot:37deg;"></span>
    <span data-char="r" style="--rot:41deg;"></span>
    <span data-char="a" style="--rot:45deg;"></span>
    <span data-char="t" style="--rot:49deg;"></span>
    <span data-char="i" style="--rot:54deg;"></span>
    <span data-char="o" style="--rot:59deg;"></span>
    <span data-char="n" style="--rot:63deg;"></span>
    <span style="--rot:77deg;"><button type="button" data-direction="plus" data-type="saturate" title="Increase Saturation">+</button></span>

  </div>

  <div class="btn-data" id="control-brightness" style="--deg: 355deg;">
    <span style="--rot:15deg;"><button type="button" data-direction="minus" data-type="brightness" title="Decrease Brightness">-</button></span>
    <span data-char="b" style="--rot:25deg;"></span>
    <span data-char="r" style="--rot:29deg;"></span>
    <span data-char="i" style="--rot:33deg;"></span>
    <span data-char="g" style="--rot:37deg;"></span>
    <span data-char="h" style="--rot:41deg;"></span>
    <span data-char="t" style="--rot:45deg;"></span>
    <span data-char="n" style="--rot:49deg;"></span>
    <span data-char="e" style="--rot:54deg;"></span>
    <span data-char="s" style="--rot:59deg;"></span>
    <span data-char="s" style="--rot:63deg;"></span>
    <span style="--rot:77deg;"><button type="button" data-direction="plus" data-type="brightness" title="Increase Brightness">+</button></span>
  </div>
  <div class="btn-data" id="control-hue">
    <span style="--rot:15deg;"><button type="button" data-direction="minus" data-type="hue-rotate" title="Decrease Hue-rotate">-</button></span>
    <span data-char="h" style="--rot:25deg;"></span>
    <span data-char="u" style="--rot:29deg;"></span>
    <span data-char="e" style="--rot:33deg;"></span>
    <span data-char="-" style="--rot:37deg;"></span>
    <span data-char="r" style="--rot:41deg;"></span>
    <span data-char="o" style="--rot:45deg;"></span>
    <span data-char="t" style="--rot:49deg;"></span>
    <span data-char="a" style="--rot:54deg;"></span>
    <span data-char="t" style="--rot:59deg;"></span>
    <span data-char="e" style="--rot:63deg;"></span>
    <span style="--rot:77deg;"><button type="button" data-direction="plus" data-type="hue-rotate" title="Increase Hue-rotate">+</button></span>
  </div>

  <div class="btn-data" id="control-contrast">
    <span style="--rot:15deg;"><button type="button" data-direction="minus" data-type="contrast" title="Decrease Contast">-</button></span>
    <span .........完整代码请登录后点击上方下载按钮下载查看