不知名提交
This commit is contained in:
380
InfoGenie-frontend/public/toolbox/图片圆角处理/index.html
Normal file
380
InfoGenie-frontend/public/toolbox/图片圆角处理/index.html
Normal file
@@ -0,0 +1,380 @@
|
||||
<!DOCTYPE html><html lang="zh-CN">
|
||||
<head>
|
||||
<meta charset="UTF-8" />
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" />
|
||||
<title>图片圆角处理</title>
|
||||
<style>
|
||||
:root{
|
||||
--bg-from:#eaf8e4; /* 淡绿色 */
|
||||
--bg-to:#f5ffd8; /* 淡黄绿色 */
|
||||
--card:#ffffffcc; /* 卡片半透明 */
|
||||
--accent:#78c67e; /* 绿色主色 */
|
||||
--accent-2:#99d78c; /* 次要 */
|
||||
--text:#234; /* 深色文字 */
|
||||
--muted:#5b6b63; /* 次级文字 */
|
||||
--shadow:0 8px 28px rgba(34, 102, 60, 0.15);
|
||||
--radius:18px;
|
||||
}html, body {
|
||||
height: 100%;
|
||||
margin: 0;
|
||||
font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
|
||||
color: var(--text);
|
||||
background: linear-gradient(160deg, var(--bg-from), var(--bg-to));
|
||||
}
|
||||
|
||||
.wrap {
|
||||
min-height: 100%;
|
||||
display: grid;
|
||||
place-items: start center;
|
||||
padding: 18px 14px 28px;
|
||||
}
|
||||
|
||||
.card {
|
||||
width: 100%;
|
||||
max-width: 520px; /* 适配手机竖屏 */
|
||||
background: var(--card);
|
||||
backdrop-filter: blur(8px);
|
||||
border-radius: 22px;
|
||||
box-shadow: var(--shadow);
|
||||
padding: 16px;
|
||||
}
|
||||
|
||||
header {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
gap: 10px;
|
||||
margin-bottom: 8px;
|
||||
}
|
||||
|
||||
header .dot {
|
||||
width: 10px; height: 10px; border-radius: 999px; background: var(--accent);
|
||||
box-shadow: 0 0 0 6px rgba(120,198,126,0.15);
|
||||
}
|
||||
|
||||
h1 { font-size: 18px; margin: 0; font-weight: 700; }
|
||||
p.sub { margin: 4px 0 10px; color: var(--muted); font-size: 13px; }
|
||||
|
||||
.uploader {
|
||||
border: 1.5px dashed #a9d6ab;
|
||||
border-radius: var(--radius);
|
||||
background: #ffffffb3;
|
||||
padding: 12px;
|
||||
display: flex; flex-direction: column; gap: 10px; align-items: center; justify-content: center;
|
||||
}
|
||||
|
||||
.uploader input[type=file] {
|
||||
width: 100%;
|
||||
border: none; outline: none; background: transparent;
|
||||
}
|
||||
|
||||
.controls { margin-top: 12px; display: grid; gap: 12px; }
|
||||
|
||||
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
|
||||
|
||||
.slider {
|
||||
background: #ffffff;
|
||||
border: 1px solid #e3f2e1;
|
||||
border-radius: var(--radius);
|
||||
padding: 10px;
|
||||
box-shadow: 0 4px 14px rgba(0,0,0,0.05);
|
||||
}
|
||||
|
||||
.slider label { display:flex; align-items:center; justify-content:space-between; gap:6px; font-size: 14px; font-weight:600; }
|
||||
.slider output { font-variant-numeric: tabular-nums; color: var(--accent); min-width: 3ch; text-align: right; }
|
||||
|
||||
input[type=range] {
|
||||
-webkit-appearance: none; appearance: none; width: 100%; height: 32px; background: transparent;
|
||||
}
|
||||
input[type=range]::-webkit-slider-runnable-track { height: 8px; background: linear-gradient(90deg, #cfeecf, #e9ffd4); border-radius: 999px; }
|
||||
input[type=range]::-moz-range-track { height: 8px; background: linear-gradient(90deg, #cfeecf, #e9ffd4); border-radius: 999px; }
|
||||
input[type=range]::-webkit-slider-thumb {
|
||||
-webkit-appearance: none; appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--accent);
|
||||
border: 2px solid #fff; margin-top: -7px; box-shadow: 0 2px 8px rgba(37,106,63,.3);
|
||||
}
|
||||
input[type=range]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--accent); border: 2px solid #fff; box-shadow: 0 2px 8px rgba(37,106,63,.3); }
|
||||
|
||||
.row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
|
||||
.row .chk { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
|
||||
|
||||
.preview {
|
||||
margin-top: 12px;
|
||||
background: #ffffff;
|
||||
border: 1px solid #e3f2e1;
|
||||
border-radius: 24px;
|
||||
overflow: hidden;
|
||||
position: relative;
|
||||
}
|
||||
|
||||
canvas { width: 100%; height: auto; display: block; background: repeating-conic-gradient(from 45deg, #f8fff1 0 10px, #f1ffe4 10px 20px); }
|
||||
|
||||
.actions { display:flex; gap:10px; margin-top: 12px; }
|
||||
button, .btn {
|
||||
appearance: none; border: none; cursor: pointer; font-weight: 700; letter-spacing: .2px; transition: transform .05s ease, box-shadow .2s ease, background .2s ease;
|
||||
border-radius: 14px; padding: 12px 14px; box-shadow: 0 6px 18px rgba(120,198,126,.25);
|
||||
}
|
||||
.btn-primary { background: linear-gradient(180deg, var(--accent), var(--accent-2)); color: #fff; }
|
||||
.btn-ghost { background: #ffffffb5; color: #2c4432; border: 1px solid #d9efda; }
|
||||
button:active { transform: translateY(1px); }
|
||||
|
||||
footer { text-align:center; color: #6a7; font-size: 12px; margin-top: 10px; }
|
||||
|
||||
.hidden { display:none; }
|
||||
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div class="wrap">
|
||||
<div class="card" role="region" aria-label="图片圆角处理工具">
|
||||
<header>
|
||||
<div class="dot" aria-hidden="true"></div>
|
||||
<h1>图片圆角处理（四角独立，最高至圆形）</h1>
|
||||
</header>
|
||||
<p class="sub">上传图片 → 调节四个角的圆角强度（0–100%）→ 预览并下载透明圆角 PNG。已针对手机竖屏优化。</p><div class="uploader" aria-label="上传图片">
|
||||
<input id="file" type="file" accept="image/*" />
|
||||
<small style="color:var(--muted);">支持 JPG / PNG / WebP 等常见格式</small>
|
||||
</div>
|
||||
|
||||
<div class="controls">
|
||||
<div class="row">
|
||||
<label class="chk"><input type="checkbox" id="linkAll" checked /> 联动四角</label>
|
||||
<button id="resetBtn" class="btn btn-ghost" type="button">重置</button>
|
||||
</div>
|
||||
|
||||
<div class="grid-2">
|
||||
<div class="slider">
|
||||
<label>左上角 <output id="o_tl">20%</output></label>
|
||||
<input id="r_tl" type="range" min="0" max="100" step="1" value="20" />
|
||||
</div>
|
||||
<div class="slider">
|
||||
<label>右上角 <output id="o_tr">20%</output></label>
|
||||
<input id="r_tr" type="range" min="0" max="100" step="1" value="20" />
|
||||
</div>
|
||||
<div class="slider">
|
||||
<label>右下角 <output id="o_br">20%</output></label>
|
||||
<input id="r_br" type="range" min="0" max="100" step="1" value="20" />
|
||||
</div>
|
||||
<div class="slider">
|
||||
<label>左下角 <output id="o_bl">20%</output></label>
|
||||
<input id="r_bl" type="range" min="0" max="100" step="1" value="20" />
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div class="preview" aria-live="polite">
|
||||
<canvas id="previewCanvas" aria-label="预览画布"></canvas>
|
||||
</div>
|
||||
|
||||
<div class="actions">
|
||||
<button id="downloadBtn" class="btn btn-primary" type="button" disabled>下载处理后的 PNG</button>
|
||||
<button id="fitBtn" class="btn btn-ghost" type="button" disabled>适配预览尺寸</button>
|
||||
</div>
|
||||
|
||||
<footer>小贴士：将四个角都拉到 <b>100%</b>，在方形图片上会得到完全圆形效果。</footer>
|
||||
</div>
|
||||
|
||||
</div> <!-- 脚本：处理圆角、预览与下载 --> <script>
|
||||
const fileInput = document.getElementById('file');
|
||||
const linkAll = document.getElementById('linkAll');
|
||||
const previewCanvas = document.getElementById('previewCanvas');
|
||||
const downloadBtn = document.getElementById('downloadBtn');
|
||||
const fitBtn = document.getElementById('fitBtn');
|
||||
const resetBtn = document.getElementById('resetBtn');
|
||||
|
||||
const sliders = {
|
||||
tl: document.getElementById('r_tl'),
|
||||
tr: document.getElementById('r_tr'),
|
||||
br: document.getElementById('r_br'),
|
||||
bl: document.getElementById('r_bl'),
|
||||
};
|
||||
const outputs = {
|
||||
tl: document.getElementById('o_tl'),
|
||||
tr: document.getElementById('o_tr'),
|
||||
br: document.getElementById('o_br'),
|
||||
bl: document.getElementById('o_bl'),
|
||||
};
|
||||
|
||||
// 工作画布（按原图尺寸绘制，导出用）
|
||||
const workCanvas = document.createElement('canvas');
|
||||
const workCtx = workCanvas.getContext('2d');
|
||||
const prevCtx = previewCanvas.getContext('2d');
|
||||
|
||||
let img = new Image();
|
||||
let imageLoaded = false;
|
||||
|
||||
const state = {
|
||||
percent: { tl: 20, tr: 20, br: 20, bl: 20 },
|
||||
fitToPreview: false,
|
||||
};
|
||||
|
||||
function clamp(v, min, max){ return Math.max(min, Math.min(max, v)); }
|
||||
|
||||
function updateOutputs(){
|
||||
for(const k of ['tl','tr','br','bl']) outputs[k].textContent = state.percent[k] + '%';
|
||||
}
|
||||
|
||||
function setAllPercents(v){ for(const k of ['tl','tr','br','bl']) state.percent[k] = v; updateSliders(); }
|
||||
function updateSliders(){ for(const k in sliders) sliders[k].value = state.percent[k]; updateOutputs(); render(); }
|
||||
|
||||
// 根据百分比换算到像素半径（以较短边的一半为 100%）
|
||||
function percentToRadiusPx(p){
|
||||
const base = Math.min(img.naturalWidth, img.naturalHeight) / 2; // 100% 对应的像素半径
|
||||
return (clamp(p,0,100) / 100) * base;
|
||||
}
|
||||
|
||||
// 绘制带四角独立圆角的路径
|
||||
function roundedRectPath(ctx, x, y, w, h, r){
|
||||
// 约束：每个角半径不能超过对应边长度的一半
|
||||
const rTL = clamp(r.tl, 0, Math.min(w, h) / 2);
|
||||
const rTR = clamp(r.tr, 0, Math.min(w, h) / 2);
|
||||
const rBR = clamp(r.br, 0, Math.min(w, h) / 2);
|
||||
const rBL = clamp(r.bl, 0, Math.min(w, h) / 2);
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.moveTo(x + rTL, y);
|
||||
ctx.lineTo(x + w - rTR, y);
|
||||
ctx.quadraticCurveTo(x + w, y, x + w, y + rTR);
|
||||
ctx.lineTo(x + w, y + h - rBR);
|
||||
ctx.quadraticCurveTo(x + w, y + h, x + w - rBR, y + h);
|
||||
ctx.lineTo(x + rBL, y + h);
|
||||
ctx.quadraticCurveTo(x, y + h, x, y + h - rBL);
|
||||
ctx.lineTo(x, y + rTL);
|
||||
ctx.quadraticCurveTo(x, y, x + rTL, y);
|
||||
ctx.closePath();
|
||||
}
|
||||
|
||||
// 渲染到工作画布（原尺寸）
|
||||
function renderWork(){
|
||||
if(!imageLoaded) return;
|
||||
workCanvas.width = img.naturalWidth;
|
||||
workCanvas.height = img.naturalHeight;
|
||||
|
||||
workCtx.clearRect(0,0,workCanvas.width, workCanvas.height);
|
||||
workCtx.save();
|
||||
const r = {
|
||||
tl: percentToRadiusPx(state.percent.tl),
|
||||
tr: percentToRadiusPx(state.percent.tr),
|
||||
br: percentToRadiusPx(state.percent.br),
|
||||
bl: percentToRadiusPx(state.percent.bl),
|
||||
};
|
||||
roundedRectPath(workCtx, 0, 0, workCanvas.width, workCanvas.height, r);
|
||||
workCtx.clip();
|
||||
workCtx.drawImage(img, 0, 0, workCanvas.width, workCanvas.height);
|
||||
workCtx.restore();
|
||||
}
|
||||
|
||||
// 渲染到预览画布（自适应容器宽度，保持清晰度）
|
||||
function renderPreview(){
|
||||
const container = previewCanvas.parentElement.getBoundingClientRect();
|
||||
const targetW = Math.min(container.width, 1000);
|
||||
const scale = targetW / workCanvas.width;
|
||||
const dpr = window.devicePixelRatio || 1;
|
||||
const canvasW = Math.round(targetW * dpr);
|
||||
const canvasH = Math.round(workCanvas.height * scale * dpr);
|
||||
|
||||
previewCanvas.width = canvasW;
|
||||
previewCanvas.height = canvasH;
|
||||
previewCanvas.style.height = Math.round(canvasH / dpr) + 'px';
|
||||
previewCanvas.style.width = Math.round(canvasW / dpr) + 'px';
|
||||
|
||||
prevCtx.clearRect(0,0,canvasW,canvasH);
|
||||
prevCtx.imageSmoothingEnabled = true;
|
||||
prevCtx.drawImage(workCanvas, 0, 0, canvasW, canvasH);
|
||||
}
|
||||
|
||||
function render(){
|
||||
if(!imageLoaded) return;
|
||||
renderWork();
|
||||
renderPreview();
|
||||
}
|
||||
|
||||
// 事件：上传图片
|
||||
fileInput.addEventListener('change', (e)=>{
|
||||
const file = e.target.files && e.target.files[0];
|
||||
if(!file) return;
|
||||
const url = URL.createObjectURL(file);
|
||||
const temp = new Image();
|
||||
temp.onload = ()=>{
|
||||
img = temp;
|
||||
imageLoaded = true;
|
||||
render();
|
||||
downloadBtn.disabled = false;
|
||||
fitBtn.disabled = false;
|
||||
};
|
||||
temp.onerror = ()=>{
|
||||
alert('图片加载失败，请更换文件重试');
|
||||
imageLoaded = false;
|
||||
downloadBtn.disabled = true;
|
||||
fitBtn.disabled = true;
|
||||
};
|
||||
temp.src = url;
|
||||
});
|
||||
|
||||
// 事件：滑块变更
|
||||
for(const key of Object.keys(sliders)){
|
||||
sliders[key].addEventListener('input', (e)=>{
|
||||
const val = parseInt(e.target.value, 10) || 0;
|
||||
if(linkAll.checked){
|
||||
setAllPercents(val);
|
||||
}else{
|
||||
state.percent[key] = val;
|
||||
updateOutputs();
|
||||
render();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// 重置
|
||||
resetBtn.addEventListener('click', ()=>{
|
||||
linkAll.checked = true;
|
||||
setAllPercents(20);
|
||||
});
|
||||
|
||||
// 适配预览尺寸（导出较小尺寸，便于快速分享）
|
||||
fitBtn.addEventListener('click', ()=>{
|
||||
if(!imageLoaded) return;
|
||||
const container = previewCanvas.parentElement.getBoundingClientRect();
|
||||
const targetW = Math.min(container.width, 1080); // 限制到 1080 宽
|
||||
const scale = targetW / img.naturalWidth;
|
||||
const targetH = Math.round(img.naturalHeight * scale);
|
||||
|
||||
// 临时缩放导出画布
|
||||
const temp = document.createElement('canvas');
|
||||
temp.width = Math.round(targetW);
|
||||
temp.height = Math.round(targetH);
|
||||
const tctx = temp.getContext('2d');
|
||||
|
||||
// 先把当前工作画布绘好
|
||||
renderWork();
|
||||
tctx.drawImage(workCanvas, 0, 0, temp.width, temp.height);
|
||||
|
||||
const a = document.createElement('a');
|
||||
a.href = temp.toDataURL('image/png');
|
||||
a.download = 'rounded-image-fit.png';
|
||||
a.click();
|
||||
});
|
||||
|
||||
// 下载原始尺寸 PNG
|
||||
downloadBtn.addEventListener('click', ()=>{
|
||||
if(!imageLoaded) return;
|
||||
renderWork();
|
||||
const a = document.createElement('a');
|
||||
a.href = workCanvas.toDataURL('image/png');
|
||||
a.download = 'rounded-image.png';
|
||||
a.click();
|
||||
});
|
||||
|
||||
// 初始输出数字
|
||||
updateOutputs();
|
||||
|
||||
// 自适应：窗口尺寸变动时重绘预览
|
||||
window.addEventListener('resize', ()=>{ if(imageLoaded) renderPreview(); });
|
||||
|
||||
// 支持 PWA 风：阻止 iOS 双击缩放（改善滑块体验）
|
||||
let lastTouch = 0;
|
||||
document.addEventListener('touchend', (e)=>{
|
||||
const now = Date.now();
|
||||
if(now - lastTouch <= 300){ e.preventDefault(); }
|
||||
lastTouch = now;
|
||||
}, {passive:false});
|
||||
</script></body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user