content: /*
   * Copyright (C) 2012 Google Inc.
   *
   * 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.googlecode.leptonica.android.test;
  
  import android.graphics.Bitmap;
  
  /**
   * Utility methods for running Leptonica unit tests.
   *
   * @author alanv@google.com (Alan Viverette)
   */
  public class TestUtils {
      public static float compareBitmaps(Bitmap a, Bitmap b) {
          int found = 0;
  
          for (int y = 0; y < a.getHeight(); y++) {
              for (int x = 0; x < a.getWidth(); x++) {
                  if (a.getPixel(x, y) == a.getPixel(x, y)) {
                      found++;
                  }
              }
          }
  
          return found / (float)(a.getWidth() * a.getHeight());
      }
  }
  