Requirements: HTML, BootstrapCSS, LESScss & ANGULARJScontroller

Angular centered image inside div (not background image))

HTML
<div class="banner">
		<div class="img-container">
			<img id="bannerImg" src="/img/banners/testimonial.jpg" alt="Medisource Testimonial Banner" ng-class="ngClass('bannerImg')"/>
		</div>
		<div class="content">
			<table>
				<tr>
					<td class="valign-m">
						<p class="text-center">
							<span class="title">"TESTIMONIAL"</span>
						</p>
					</td>
				</tr>
			</table>
		</div>
	</div>
  
  ========================================
  
  LESScss
  .valign-m { vertical-align:middle; }
  .banner {
    position:relative;
    height:32.5vw; 
    width:100%;

    .img-container {
        position:relative;
        display:inline-block; 
        height:inherit; 
        width:inherit;
        overflow:hidden;

        img {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translateY(-50%) translateX(-50%);
            -moz-transform: translateY(-50%) translateX(-50%);
            -webkit-transform: translateY(-50%) translateX(-50%);
        }

        .portrait {
            width:100%; 
        }

        .landscape {
            height:100%;
        }
    }

    .content {
        position: absolute; 
        top:0; 
        width:100%; 
        height:100%;
    
        table {
            width:100%; height:100%;
        }

        .title {
            font-weight: bold;
            font-size:45px;
        }
    }
}
        width:100%; 
        margin-top:-33.33%;
    }

    .landscape {
        height:100%;
    }
}

  ========================================
  
  ANGULARcontroller
  
  $scope.ngClass = function(imgId){
        var img = angular.element("#" + imgId);
        var imgH = img.height();
        var imgW = img.width();

        if (imgH > imgW || imgH == imgW) {
            return {
                'portrait': true
            };
        } else {
            return {
                'landscape': true
            };
        }
    };