Image Cropping in Fabric JS
Demo: http://kpomservices.com/imagecropdemo/index.html
Actions: Double Click on the image to crop, Click outside the image to complete the crop.
Changes needed in fabric js Function to change in fabric js library: _renderFill: function(ctx)
Change
sX = Math.max(0, this.cropX * this._filterScalingX),
sY = Math.max(0, this.cropY * this._filterScalingY);
To
sX = this.cropX * this._filterScalingX,
sY = this.cropY * this._filterScalingY;