Here you can find the source of drawVistaBackground(Graphics g, Component b, Color start, Color mid, Color end)
public static void drawVistaBackground(Graphics g, Component b, Color start, Color mid, Color end)
//package com.java2s; /*/* w ww. j av a2 s . c o m*/ * Copyright 2005 Patrick Gotthardt * * 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. */ import javax.swing.*; import java.awt.*; public class Main { public static void drawVistaBackground(Graphics g, Component b, String prefix) { drawVistaBackground(g, 0, 0, b.getWidth(), b.getHeight(), UIManager.getColor(prefix + ".gradientStart"), UIManager.getColor(prefix + ".gradientMiddle"), UIManager.getColor(prefix + ".gradientEnd")); } public static void drawVistaBackground(Graphics g, Component b, Color start, Color mid, Color end) { drawVistaBackground(g, 0, 0, b.getWidth(), b.getHeight(), start, mid, end); } public static void drawVistaBackground(Graphics g, int x, int y, int width, int height, Color start, Color mid, Color end) { g.setColor(start); g.fillRect(x, y, width, height / 2); g.setColor(end); g.fillRect(x, y + height / 2, width, height / 2 + 1); g.setColor(mid); g.drawLine(x, y + height / 2, width, y + height / 2); } }