Java tutorial
// // GuiUtil // // Copyright (C) by Andrea Carboni. // This file may be distributed under the terms of the LGPL license. import java.awt.Color; import java.awt.Component; import java.awt.Cursor; import java.awt.Frame; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; public class GuiUtil { private static Cursor defCursor = Cursor.getDefaultCursor(); private static Cursor waitCursor = Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR); //--------------------------------------------------------------------------- public static void setWaitCursor(Component c, boolean yesno) { c.setCursor(yesno ? waitCursor : defCursor); getFrame(c).setCursor(yesno ? waitCursor : defCursor); } //--------------------------------------------------------------------------- public static void setWaitCursor(boolean yesno) { Frame.getFrames()[0].setCursor(yesno ? waitCursor : defCursor); } //--------------------------------------------------------------------------- public static Frame getFrame(Component c) { Object obj = c; while (!(obj instanceof Frame)) obj = ((Component) obj).getParent(); return (Frame) obj; } //--------------------------------------------------------------------------- public static Color cloneColor(Color c) { return new Color(c.getRed(), c.getGreen(), c.getBlue()); } //--------------------------------------------------------------------------- public static final void setTextAntiAliasing(Graphics g, boolean yesno) { Object obj = yesno ? RenderingHints.VALUE_TEXT_ANTIALIAS_ON : RenderingHints.VALUE_TEXT_ANTIALIAS_OFF; ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, obj); } //--------------------------------------------------------------------------- public static final void setAntiAliasing(Graphics g, boolean yesno) { Object obj = yesno ? RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF; ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, obj); } }