gradientpainter.java

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/*
 * Created on Jul 6, 2005
 */
package org.flexdock.demos.util;

import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;

import javax.swing.JComponent;

/**
 * @author Christopher Butler
 */
public class GradientPainter {
	private Color startColor;
	private Color midColor;

	
	public GradientPainter(Color start, Color mid) {
		startColor = start;
		midColor = mid;
	}
	
	public void paintGradient(JComponent comp, Graphics g) {
		int h = comp.getHeight();
		int w = comp.getWidth();
		int mid = w/2;

		Color bgColor = comp.getBackground();
		Color start = startColor==null? bgColor: startColor;
		Color middle = midColor==null? bgColor: midColor;

		GradientPaint firstHalf = new GradientPaint(0, 0, start, mid, 0, middle);
		GradientPaint secondHalf = new GradientPaint(mid, 0, middle, w, 0, bgColor);
		
		Graphics2D g2 = (Graphics2D)g;
		g2.setPaint(firstHalf);
		g2.fillRect(0, 0, mid, h);
		g2.setPaint(secondHalf);
		g2.fillRect(mid-1, 0, mid, h);
	}

	public Color getMidColor() {
		return midColor;
	}
	public void setMidColor(Color midColor) {
		this.midColor = midColor;
	}
	public Color getStartColor() {
		return startColor;
	}
	public void setStartColor(Color startColor) {
		this.startColor = startColor;
	}
}