/**
    * This file Copyright (c) 2015-2018 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.templating.imaging.variation;
  
  import info.magnolia.imaging.ParameterProvider;
  import info.magnolia.imaging.operations.ImageOperationChain;
  import info.magnolia.imaging.operations.cropresize.AutoCropAndResize;
  import info.magnolia.imaging.operations.cropresize.BoundedResize;
  import info.magnolia.imaging.operations.cropresize.resizers.MultiStepResizer;
  import info.magnolia.imaging.operations.load.FromBinaryNode;
  import info.magnolia.module.site.SiteManager;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  
  
  /**
   * Simple {@link info.magnolia.imaging.variation.Variation} that enables to resize an imaging to provided
   * <code>width</code> and <code>height</code>.
   */
  public class SimpleResizeVariation extends ImageOperationProvidingVariation {
  
      private Integer width;
  
      private Integer height;
  
      private boolean crop = true;
      
      private boolean expand = false;
  
      @Inject
      public SimpleResizeVariation(SiteManager siteManager) {
          super(siteManager);
      }
  
      public void init() {
          if (getImageOperation() == null) {
              final ImageOperationChain<ParameterProvider<Node>> chain = new ImageOperationChain<ParameterProvider<Node>>();
              chain.addOperation(new FromBinaryNode());
  
              if (crop) {
                  final AutoCropAndResize resize = new AutoCropAndResize();
                  resize.setResizer(new MultiStepResizer());
  
                  if (getWidth() != null) {
                      resize.setTargetWidth(getWidth());
                  }
                  if (getHeight() != null) {
                      resize.setTargetHeight(getHeight());
                  }
                  chain.addOperation(resize);
              } else {
                  final BoundedResize resize = new BoundedResize();
                  resize.setResizer(new MultiStepResizer());
                  
                  resize.setExpand(expand);
  
                  if (getWidth() != null) {
                      resize.setMaxWidth(getWidth());
                  }
                  if (getHeight() != null) {
                      resize.setMaxHeight(getHeight());
                  }
                  chain.addOperation(resize);
              }
  
              setImageOperation(chain);
          }
     }
 
     public Integer getWidth() {
         return this.width;
     }
 
     public void setWidth(Integer width) {
         this.width = width;
     }
 
     public Integer getHeight() {
         return this.height;
     }
 
     public void setHeight(Integer height) {
         this.height = height;
     }
 
     public boolean isCrop() {
         return this.crop;
     }
 
     public void setCrop(boolean crop) {
         this.crop = crop;
     }
     
     public boolean isExpand() {
         return this.expand;
     }
 
     public void setExpand(boolean expand) {
         this.expand = expand;
     }
 
 }