style body min height 600px box background color 00BCD4 position relative user select none transform translate 0 0 transform origin 0 0 box wrapper position absolute transform origin 50 50 user select none width 200px height 100px left 110px top 110px 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 style div class box wrapper div style width 100 height 100 background color red contentEditable true test div div class dot rotate div div class dot left top div div class dot left bottom div div class dot top mid div div class dot bottom mid div div class dot left mid div div class dot right mid div div class dot right bottom div div class dot right top div div class rotate link div div script function addMove elm let elmt elm let initX initY mousePressX mousePressY function repositionElement x y elmt style left x px elmt style top y px drag support elmt 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 initY event clientY mousePressY window addEventListener mousemove eventMoveHandler false window addEventListener mouseup function eventEndHandler window removeEventListener mousemove eventMoveHandler false window removeEventListener mouseup eventEndHandler false false function addRotate elm let elmt elm handle rotation let rotatedot elmt querySelector rotate rotatedot addEventListener mousedown function event initX this offsetLeft initY this offsetTop mousePressX event clientX mousePressY event clientY let arrow elmt querySelector box let arrowRects elmt getBoundingClientRect let arrowX arrowRects left arrowRects width 2 let arrowY arrowRects top arrowRects height 2 function eventMoveHandler event let angle Math atan2 event clientY arrowY event clientX arrowX Math PI 2 rotateBox angle 180 Math PI window addEventListener mousemove eventMoveHandler false window addEventListener mouseup function eventEndHandler window removeEventListener mousemove eventMoveHandler false window removeEventListener mouseup eventEndHandler false false function rotateBox deg elmt style transform rotate deg deg elmt rotation deg end addRotate function addResize elm let elmt elm handle resize let rightMid elmt querySelector right mid let leftMid elmt querySelector left mid let topMid elmt querySelector top mid let bottomMid elmt querySelector bottom mid let leftTop elmt querySelector left top let rightTop elmt querySelector right top let rightBottom elmt querySelector right bottom let leftBottom elmt querySelector left bottom rightMid style background color green rightMid addEventListener mousedown e resizeHandler e false false true false leftMid addEventListener mousedown e resizeHandler e true false true false topMid addEventListener mousedown e resizeHandler e false true false true bottomMid addEventListener mousedown e resizeHandler e false false false true leftTop addEventListener mousedown e resizeHandler e true true true true rightTop addEventListener mousedown e resizeHandler e false true true true rightBottom addEventListener mousedown e resizeHandler e false false true true leftBottom addEventListener mousedown e resizeHandler e true false true true function resize w h elmt style width w px elmt style height h px function getCurrentRotation el if typeof el rotation undefined return el rotation let st window getComputedStyle el null let tm st getPropertyValue webkit transform st getPropertyValue moz transform st getPropertyValue ms transform st getPropertyValue o transform st getPropertyValue transform none if tm none let values tm split 1 split 0 split let angle Math round Math atan2 values 1 values 0 180 Math PI return angle 0 angle 360 angle return 0 function resizeHandler event left false top false xResize false yResize false initX elmt offsetLeft initY elmt offsetTop mousePressX event clientX mousePressY event clientY initW elmt offsetWidth initH elmt offsetHeight initRotate getCurrentRotation elmt let initRadians initRotate Math PI 180 let cosFraction Math cos initRadians let sinFraction Math sin initRadians function eventMoveHandler event let wDiff event clientX mousePressX let hDiff event clientY mousePressY let rotatedWDiff cosFraction wDiff sinFraction hDiff let rotatedHDiff cosFraction hDiff sinFraction wDiff let cx initX initW 0 5 let cy initY initH 0 5 let newW initW rotatedWDiff 2 0 if left newW initW rotatedWDiff 2 0 let newH initH rotatedHDiff 2 0 if top newH initH rotatedHDiff 2 0 if xResize yResize newH initH if yResize xResize newW initW let newX cx newW 0 5 let newY cy newH 0 5 elmt style left newX px elmt style top newY px elmt style width newW px elmt style height newH px window addEventListener mousemove eventMoveHandler false window addEventListener mouseup function eventEndHandler window removeEventListener mousemove eventMoveHandler false window removeEventListener mouseup eventEndHandler false end addResize let ref document getElementsByClassName box wrapper 0 addRotate ref addResize ref addMove ref script
ction eventEndHandler window removeEventListener mousemove eventMoveHandler false window removeEventListener mouseup eventEndHandler false false function rotateBox deg elmt style transform rotate deg deg elmt rotation deg end addRotate function addResize elm let elmt elm handle resize let rightMid elmt querySelector right mid let leftMid elmt querySelector left mid let topMid elmt querySelector top mid let bottomMid elmt querySelector bottom mid let leftTop elmt querySelector left top let rightTop elmt querySelector right top let rightBottom elmt querySelector right bottom let leftBottom elmt querySelector left bottom rightMid style background color green rightMid addEventListener mousedown e resizeHandler e false false true false leftMid addEventListener mousedown e resizeHandler e true false true false topMid addEventListener mousedown e resizeHandler e false true false true bottomMid addEventListener mousedown e resizeHandler e false false false true leftTop addEventListener mousedown e resizeHandler e true true true true rightTop addEventListener mousedown e resizeHandler e false true true true rightBottom addEventListener mousedown e resizeHandler e false false true true leftBottom addEventListener mousedown e resizeHandler e true false true true function resize w h elmt style width w px elmt style height h px function getCurrentRotation el if typeof el rotation undefined return el rotation let st window getComputedStyle el null let tm st getPropertyValue webkit transform st getPropertyValue moz transform st getPropertyValue ms transform st getPropertyValue o transform st getPropertyValue transform none if tm none let values tm split 1 split 0 split let angle Math round Math atan2 values 1 values 0 180 Math PI return angle 0 angle 360 angle return 0 function resizeHandler event left false top false xResize false yResize false initX elmt offsetLeft initY elmt offsetTop mousePressX event clientX mousePressY event clientY initW elmt offsetWidth initH elmt offsetHeight initRotate getCurrentRotation elmt let initRadians initRotate Math PI 180 let cosFraction Math cos initRadians let sinFraction Math sin initRadians function eventMoveHandler event let wDiff event clientX mousePressX let hDiff event clientY mousePressY let rotatedWDiff cosFraction wDiff sinFraction hDiff let rotatedHDiff cosFraction hDiff sinFraction wDiff let cx initX initW 0 5 let cy initY initH 0 5 let newW initW rotatedWDiff 2 0 if left newW initW rotatedWDiff 2 0 let newH initH rotatedHDiff 2 0 if top newH initH rotatedHDiff 2 0 if xResize yResize newH initH if yResize xResize newW initW let newX cx newW 0 5 let newY cy newH 0 5 elmt style left newX px elmt style top newY px elmt style width newW px elmt style height newH px window addEventListener mousemove eventMoveHandler false window addEventListener mouseup function eventEndHandler window removeEventListener mousemove eventMoveHandler false window removeEventListener mouseup eventEndHandler false end addResize let ref document getElementsByClassName box wrapper 0 addRotate ref addResize ref addMove ref script