content: /*******************************************************************************
   * Copyright 2011 See AUTHORS file.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *   http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   ******************************************************************************/
  package com.badlogic.gdx.backends.android.surfaceview;
  
  import android.view.View;
  
  /**
   * This {@link ResolutionStrategy} will maintain a given aspect ratio and stretch the GLSurfaceView to the maximum available screen size.
   *
   * @author christoph widulle
   */
  public class RatioResolutionStrategy implements ResolutionStrategy {
  
      private final float ratio;
  
      public RatioResolutionStrategy(float ratio) {
          this.ratio = ratio;
      }
  
      public RatioResolutionStrategy(final float width, final float height) {
          this.ratio = width / height;
      }
  
      @Override
      public MeasuredDimension calcMeasures(int widthMeasureSpec, int heightMeasureSpec) {
  
          final int specWidth = View.MeasureSpec.getSize(widthMeasureSpec);
          final int specHeight = View.MeasureSpec.getSize(heightMeasureSpec);
  
          final float desiredRatio = ratio;
          final float realRatio = (float) specWidth / specHeight;
  
          int width;
          int height;
          if (realRatio < desiredRatio) {
              width = specWidth;
              height = Math.round(width / desiredRatio);
          } else {
              height = specHeight;
              width = Math.round(height * desiredRatio);
          }
  
          return new MeasuredDimension(width, height);
      }
  }
  