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Diffstat (limited to 'libjava/classpath/javax/swing/plaf/metal/MetalUtils.java')
-rw-r--r-- | libjava/classpath/javax/swing/plaf/metal/MetalUtils.java | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/plaf/metal/MetalUtils.java b/libjava/classpath/javax/swing/plaf/metal/MetalUtils.java new file mode 100644 index 00000000000..a342ee02bd3 --- /dev/null +++ b/libjava/classpath/javax/swing/plaf/metal/MetalUtils.java @@ -0,0 +1,87 @@ +/* Metaltils.java +Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath 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. + +GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library 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 library. If you modify this library, 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 javax.swing.plaf.metal; + +import java.awt.Color; +import java.awt.Graphics; + +/** + * Some utility and helper methods for the Metal Look & Feel. + * + * @author Roman Kennke (roman@kennke.org) + */ +class MetalUtils +{ + + /** + * Fills a rectangle with the typical Metal pattern. + * + * @param g the <code>Graphics</code> context to use + * @param x the X coordinate of the upper left corner of the rectangle to + * fill + * @param y the Y coordinate of the upper left corner of the rectangle to + * fill + * @param w the width of the rectangle to fill + * @param w the height of the rectangle to fill + * @param light the light color to use + * @param dark the dark color to use + */ + static void fillMetalPattern(Graphics g, int x, int y, int w, int h, + Color light, Color dark) + { + int xOff = 0; + for (int mY = y; mY < (y + h); mY++) + { + // set color alternating with every line + if ((mY % 2) == 0) + g.setColor(light); + else + g.setColor(dark); + + for (int mX = x + (xOff); mX < (x + w); mX += 4) + { + g.drawLine(mX, mY, mX, mY); + } + + // increase x offset + xOff++; + if (xOff > 3) + xOff = 0; + } + } +} |