/*
 * Copyright 2012 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2, or (at your
 * option) any later version.
 *
 * Thermostat is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.swing.laf.dolphin.themes;

import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.geom.RoundRectangle2D;

import com.redhat.swing.laf.dolphin.DolphinLookAndFeel;

/**
 */
public class DolphinThemeUtils {
    
    private static final boolean aaOff;
    
    static {
       aaOff = Boolean.getBoolean("dolphin.aa.off");
    }
    
    /**
     * Sets the Antialiasing hint on this graphics object.
     * 
     * The AA hint is on by default, but can be turned of by setting the system
     * property: {@code icedlook.aa.off}
     */
    public static void setAntialiasing(Graphics2D graphics) {
        if (!aaOff) {
            graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                      RenderingHints.VALUE_ANTIALIAS_ON);   
        }
    }
    
    public static void setGradientPaint(Graphics2D g, int x, int height,
                                        Color start, Color stop)
    {
        Paint paint = new GradientPaint(x, 0, start, 0, height, stop);
        g.setPaint(paint);
    }
        
    public static DolphinTheme getCurrentTheme() {
        return DolphinLookAndFeel.getTheme();
    }

    public static Shape getRoundShape(int width, int height) {
        return new RoundRectangle2D.Double(0, 0, width - 2, height - 1, 4, 4);
    }
    
    public static Shape getRoundShape(int width, int height, int arcx, int arcy) {
        return new RoundRectangle2D.Double(0, 0, width - 2, height - 1, arcx, arcy);
    }
    
    public static Graphics2D createAAGraphics(Graphics graphics) {
        Graphics2D result = (Graphics2D) graphics.create();
        setAntialiasing(result);
        return result;
    }
}