All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.formkiq.vision.comparator.DocumentBlockDistanceComparator Maven / Gradle / Ivy

/*
 * Copyright (C) 2018 FormKiQ 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.formkiq.vision.comparator;

import java.io.Serializable;
import java.util.Comparator;

import com.formkiq.vision.document.DocumentBlockRectangle;

/**
 * {@link DocumentBlockRectangle} {@link Comparator} for distance.
 *
 */
public class DocumentBlockDistanceComparator
        implements Comparator, Serializable {

    /** serialVersionUID. */
    private static final long serialVersionUID = 5017459634232423132L;

    /** {@link DocumentBlockRectangle}. */
    private DocumentBlockRectangle rectangle;

    /**
     * constructor.
     * @param rect {@link DocumentBlockRectangle}
     */
    public DocumentBlockDistanceComparator(final DocumentBlockRectangle rect) {
        this.rectangle = rect;
    }

    @Override
    public int compare(final DocumentBlockRectangle r1,
            final DocumentBlockRectangle r2) {

        double d1 = Math.hypot(
                this.rectangle.getLowerLeftX() - r1.getLowerLeftX(),
                this.rectangle.getLowerLeftY() - r1.getLowerLeftY());

        double d2 = Math.hypot(
                this.rectangle.getLowerLeftX() - r2.getLowerLeftX(),
                this.rectangle.getLowerLeftY() - r2.getLowerLeftY());

        return Double.compare(d1, d2);
    }
}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy