content: /*
   * Created on Jan 24, 2011
   *
   * 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.
   *
   * Copyright @2011 the original author or authors.
   */
  package org.fest.assertions.error;
  
  import org.fest.assertions.data.Offset;
  
  /**
   * Creates an error message that indicates an assertion that verifies that two images are equal failed.
   *
   * @author Yvonne Wang
   */
  public class ShouldBeEqualImages extends BasicErrorMessageFactory {
  
    /**
     * Creates a new <code>{@link ShouldBeEqualImages}</code>.
     * @param offset helps decide if the color of two pixels are similar: two pixels that are identical to the human eye may still
     *          have slightly different color values. For example, by using an offset of 1 we can indicate that a blue value of 60
     *          is similar to a blue value of 61.
     * @return the created {@code ErrorMessageFactory}.
     */
    public static ErrorMessageFactory shouldBeEqualImages(Offset<Integer> offset) {
      return new ShouldBeEqualImages(offset);
    }
  
    private ShouldBeEqualImages(Offset<Integer> offset) {
      super("expecting:\n images to be equal within offset:<%s>", offset.value);
    }
  }
  