org.netbeans.modeler.anchorshape.crow.ZeroOrMoreCrowShape Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jeddict

Jeddict is an open source Jakarta EE application development platform that accelerates developers productivity and simplifies development tasks of creating complex entity relationship models.

There is a newer version: 6.5.0

Show newest version

/**
 * Copyright [2016] Gaurav Gupta
 *
 * 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 org.netbeans.modeler.anchorshape.crow;

import java.awt.Graphics2D;
import java.awt.Stroke;

/**
 * @author Shiwani Gupta
 */
public class ZeroOrMoreCrowShape extends CrowAnchorShape {

    public ZeroOrMoreCrowShape(int size) {
        super(size);
        int degrees = 300;
        double radians = Math.PI * degrees / 180.0;
        double cos = Math.cos(radians / 2.0);
        double sin = -size * Math.sqrt(1 - cos * cos);

        float centerX = 0.0f + size;
        float centerY = 0.0f;

        path.moveTo(centerX, centerY);
        path.lineTo(centerX - size, -sin);
        path.moveTo(centerX, centerY);
        path.lineTo(centerX - size, sin);
        path.moveTo(centerX, centerY);
        path.lineTo(centerX - size, 0.0f);
    }

    public void paint(Graphics2D graphics, boolean source) {
        super.paint(graphics, source);
        Stroke previousStroke = graphics.getStroke();
        graphics.setStroke(STROKE);
        int radius = (int) (size * 0.87);//equals to circle of ZeroOrOneCrowShape
        graphics.drawOval(size, -radius / 2, radius, radius);
        graphics.setStroke(previousStroke);
    }
}