mdlaf.shadows.RoundedCornerBorder Maven / Gradle / Ivy

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/**
 * MIT License
 *
 * Copyright (c) 2019-2020 Vincenzo Palazzo [email protected]
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package mdlaf.shadows;

import mdlaf.utils.MaterialColors;

import javax.swing.*;
import javax.swing.border.AbstractBorder;
import java.awt.*;
import java.awt.geom.Area;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.util.Objects;

/**
 * @author https://github.com/vincenzopalazzo
 */
public class RoundedCornerBorder extends AbstractBorder {

    protected  int arch = 12; //default value
    protected Color colorLine;
    protected float withBorder = 1.2f;

    public RoundedCornerBorder() {
        colorLine = MaterialColors.LIGHT_BLUE_400;
    }

    public RoundedCornerBorder(Color colorLine) {
        this.colorLine = colorLine;
        //alphaZero = new Color(0x0, true);
    }

    public RoundedCornerBorder(Color colorLine, int arch) {
        this.colorLine = colorLine;
        this.arch = arch;
    }

    public RoundedCornerBorder(int arch, Color colorLine, float withBorder) {
        this.arch = arch;
        this.colorLine = colorLine;
        this.withBorder = withBorder;
    }

    @Override
    public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
        Graphics2D g2 = (Graphics2D) g.create();
        g2.setStroke(new BasicStroke(withBorder));
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        int r = arch;
        int w = width - 1;
        int h = height - 1;

        Area round = new Area(new RoundRectangle2D.Float(x, y, w, h, r, r));
        if (c instanceof JPopupMenu) {
            g2.setPaint(c.getBackground());
            g2.fill(round);
        } else {
            Container parent = c.getParent();
            if (Objects.nonNull(parent)) {
                g2.setPaint(parent.getBackground());
                Area corner = new Area(new Rectangle2D.Float(x, y, width, height));
                corner.subtract(round);
                g2.fill(corner);
            }
        }
        g2.setPaint(colorLine);
        g2.draw(round);
        g2.dispose();
    }

    @Override
    public Insets getBorderInsets(Component c) {
        return new Insets(4, 8, 4, 8);
    }

    @Override
    public Insets getBorderInsets(Component c, Insets insets) {
        insets.set(4, 8, 4, 8);
        return insets;
    }
}