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A themeable Look and Feel for java swing
There is a newer version: 3.0.2
/*
 * MIT License
 *
 * Copyright (c) 2020 Jannis Weis
 *
 * 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 com.github.weisj.darklaf.util;

import java.awt.*;
import java.util.Map;

/**
 * @author Konstantin Bulenkov
 * @author Jannis Weis
 */
public class GraphicsContext {
    private final Graphics2D graphics2D;
    private final Composite composite;
    private final Map hintsMap;
    private final Stroke stroke;
    private final Color color;
    private final Paint paint;
    private final Font font;
    private final Shape clip;

    public GraphicsContext(final Graphics g) {
        graphics2D = (Graphics2D) g;
        hintsMap = (Map) graphics2D.getRenderingHints().clone();
        composite = graphics2D.getComposite();
        stroke = graphics2D.getStroke();
        color = graphics2D.getColor();
        paint = graphics2D.getPaint();
        font = graphics2D.getFont();
        clip = graphics2D.getClip();
    }

    public GraphicsContext setAntialiasing(final boolean on) {
        graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                    on ? RenderingHints.VALUE_ANTIALIAS_ON
                                       : RenderingHints.VALUE_ANTIALIAS_OFF);
        return this;
    }

    public Graphics2D getGraphics() {
        return this.graphics2D;
    }

    public void restore() {
        graphics2D.setRenderingHints(this.hintsMap);
        graphics2D.setComposite(composite);
        graphics2D.setStroke(stroke);
        graphics2D.setColor(color);
        graphics2D.setPaint(paint);
        graphics2D.setFont(font);
        graphics2D.setClip(clip);
    }
}