Here you can find the source of drawActiveButtonBorder(Graphics g, int x, int y, int w, int h)
static void drawActiveButtonBorder(Graphics g, int x, int y, int w, int h)
//package com.java2s; import javax.swing.plaf.metal.MetalLookAndFeel; import java.awt.*; public class Main { static void drawActiveButtonBorder(Graphics g, int x, int y, int w, int h) { drawFlush3DBorder(g, x, y, w, h); g.setColor(MetalLookAndFeel.getPrimaryControl()); g.drawLine(x + 1, y + 1, x + 1, h - 3); g.drawLine(x + 1, y + 1, w - 3, x + 1); g.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); g.drawLine(x + 2, h - 2, w - 2, h - 2); g.drawLine(w - 2, y + 2, w - 2, h - 2); }//from www .ja v a 2s . c o m /** * This draws the "Flush 3D Border" which is used throughout the Metal L&F */ static void drawFlush3DBorder(Graphics g, int x, int y, int w, int h) { g.translate(x, y); g.setColor(MetalLookAndFeel.getControlDarkShadow()); g.drawRect(0, 0, w - 2, h - 2); g.setColor(MetalLookAndFeel.getControlHighlight()); g.drawRect(1, 1, w - 2, h - 2); g.setColor(MetalLookAndFeel.getControl()); g.drawLine(0, h - 1, 1, h - 2); g.drawLine(w - 1, 0, w - 2, 1); g.translate(-x, -y); } }