javascript - fengyuanchen Cropper - How to Fit Image into Canvas If Rotated? -


i gone through documentation of cropper fengyuanchen. want image fit default canvas if rotated. couldnt find way achieve this. idea how achieve functionality?

i want default: link

check issue demo here: link

i fixed behavior special needs. needed 1 rotate button rotates image in 90° steps. other purposes might extend/change fix. works in "strict" mode dynamically change cropbox dimensions.

here function called, when want rotate image. ah , additionally misplacement bug has been fixed.

var $image;  function initcropper() { $image = $('.imageuploadpreviewwrap > img').cropper({   autocrop : true,   strict: true,   background: true,   autocroparea: 1,   crop: function(e) {   } }); }  function rotateimage() {         //get data     var data = $image.cropper('getcropboxdata');     var contdata = $image.cropper('getcontainerdata');     var imagedata = $image.cropper('getimagedata');     //set data of cropbox avoid unwanted behavior due strict mode     data.width = 2;     data.height = 2;     data.top = 0;     var leftnew = (contdata.width / 2) - 1;     data.left = leftnew;     $image.cropper('setcropboxdata',data);     //rotate     $image.cropper('rotate', 90);     //get canvas data     var canvdata = $image.cropper('getcanvasdata');     //calculate new height , width based on container dimensions     var heightold = canvdata.height;     var heightnew = contdata.height;     var koef = heightnew / heightold;     var widthnew = canvdata.width * koef;     canvdata.height = heightnew;     canvdata.width = widthnew;     canvdata.top = 0;     if (canvdata.width >= contdata.width) {       canvdata.left = 0;     }     else {       canvdata.left = (contdata.width - canvdata.width) / 2;     }     $image.cropper('setcanvasdata', canvdata);     //and set cropper "back" full crop     data.left = 0;     data.top = 0;     data.width = canvdata.width;     data.height = canvdata.height;     $image.cropper('setcropboxdata',data);   }

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