coords issue for image width/height less than maxwidth/maxheight

[bkasodariya]

Hi André,

Tried to crop different size images. It returns wrong coordinate when image width is less than maxwidth. to fix that, added extra width check in getShrinkRatio function.

$scope.getShrinkRatio = function(){
        var img = $('<img>').attr('src', $scope.mainImg[0].src)[0];
        var widthShrinkRatio = img.width / ngJcropConfig.jcrop.maxWidth,
            heightShrinkRatio = img.height / ngJcropConfig.jcrop.maxHeight,
            widthConstraining = img.width > ngJcropConfig.jcrop.maxWidth && widthShrinkRatio > heightShrinkRatio;
        //fix   
        if(ngJcropConfig.jcrop.maxWidth>img.width || ngJcropConfig.jcrop.maxHeight>img.height){
            return 1;
        }

        if(widthConstraining) {
            return widthShrinkRatio;
        } else {
            return heightShrinkRatio;
        }
    };