JSFiddle - React, Tailwind, and code Playground
HTML
<div class="box-wrapper" id="box-wrapper">
<div class="box" id="box">
<div class="dot rotate" id="rotate"></div>
<div class="dot left-top" id="left-top"></div>
<div class="dot left-bottom" id="left-bottom"></div>
<div class="dot top-mid" id="top-mid"></div>
<div class="dot bottom-mid" id="bottom-mid"></div>
<div class="dot left-mid" id="left-mid"></div>
<div class="dot right-mid" id="right-mid"></div>
<div class="dot right-bottom" id="right-bottom"></div>
<div class="dot right-top" id="right-top"></div>
<div class="rotate-link"></div>
</div>
</div>
CSS
.box {
background-color: #00BCD4;
position: relative;
user-select: none;
}
.box-wrapper {
position: absolute;
transform-origin: center center;
user-select: none;
}
.dot {
height: 10px;
width: 10px;
background-color: #1E88E5;
position: absolute;
border-radius: 100px;
border: 1px solid white;
user-select: none;
}
.dot:hover {
background-color: #0D47A1;
}
.dot.left-top {
top: -5px;
left: -5px;
/* cursor: nw-resize; */
}
.dot.left-bottom {
bottom: -5px;
left: -5px;
/* cursor: sw-resize; */
}
.dot.right-top {
top: -5px;
right: -5px;
/* cursor: ne-resize; */
}
.dot.right-bottom {
bottom: -5px;
right: -5px;
/* cursor: se-resize; */
}
.dot.top-mid {
top: -5px;
left: calc(50% - 5px);
/* cursor: n-resize; */
}
.dot.left-mid {
left: -5px;
top: calc(50% - 5px);
/* cursor: w-resize; */
}
.dot.right-mid {
right: -5px;
top: calc(50% - 5px);
/* cursor: e-resize; */
}
.dot.bottom-mid {
bottom: -5px;
left: calc(50% - 5px);
/* cursor: s-resize; */
}
.dot.rotate {
top: -30px;
left: calc(50% - 5px);
cursor: url('https://findicons.com/files/icons/1620/crystal_project/16/rotate_ccw.png'), auto;
}
.rotate-link {
position: absolute;
width: 1px;
height: 15px;
background-color: #1E88E5;
top: -20px;
left: calc(50% + 0.5px);
z-index: -1;
}
JavaScript
var box = document.getElementById("box");
var boxWrapper = document.getElementById("box-wrapper");
var initX, initY, mousePressX, mousePressY, initW, initH, initRotate;
function repositionElement(x, y) {
boxWrapper.style.left = x;
boxWrapper.style.top = y;
}
function resize(w, h) {
box.style.width = w + 'px';
box.style.height = h + 'px';
boxWrapper.style.width = w;
boxWrapper.style.height = h;
}
function getCurrentRotation(el) {
var st = window.getComputedStyle(el, null);
var tm = st.getPropertyValue("-webkit-transform") ||
st.getPropertyValue("-moz-transform") ||
st.getPropertyValue("-ms-transform") ||
st.getPropertyValue("-o-transform") ||
st.getPropertyValue("transform")
"none";
if (tm != "none") {
var values = tm.split('(')[1].split(')')[0].split(',');
var angle = Math.round(Math.atan2(values[1], values[0]) * (180 / Math.PI));
return (angle < 0 ? angle + 360 : angle);
}
return 0;
}
function rotateBox(deg) {
boxWrapper.style.transform = `rotate(${deg}deg)`;
}
// drag support
boxWrapper.addEventListener('mousedown', function (event) {
if (event.target.className.indexOf("dot") > -1) {
return;
}
initX = this.offsetLeft;
initY = this.offsetTop;
mousePressX = event.clientX;
mousePressY = event.clientY;
function eventMoveHandler(event) {
repositionElement(initX + (event.clientX - mousePressX) + 'px',
initY + (event.clientY - mousePressY) + 'px');
}
boxWrapper.addEventListener('mousemove', eventMoveHandler, false);
window.addEventListener('mouseup', function () {
boxWrapper.removeEventListener('mousemove', eventMoveHandler, false);
}, false);
}, false);
// done drag support
// handle resize
var rightMid = document.getElementById("right-mid");
var leftMid = document.getElementById("left-mid");
var topMid = document.getElementById("top-mid");
var bottomMid =...