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+/* Border.java --
+ Copyright (C) 2003 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.border;
+
+import java.awt.Component;
+import java.awt.Graphics;
+import java.awt.Insets;
+
+
+/**
+ * An public interface for decorative or spacing borders around a Component.
+ *
+ * <p>To reduce memory consumption, several Components may share a
+ * single Border instance. {@link javax.swing.BorderFactory} is a
+ * factory class for producing commonly used shared borders.
+ *
+ * @see javax.swing.BorderFactory
+ * @see EmptyBorder
+ * @see CompoundBorder
+ * @see BevelBorder
+ * @see EtchedBorder
+ * @see LineBorder
+ * @see MatteBorder
+ * @see SoftBevelBorder
+ * @see TitledBorder
+ * @see AbstractBorder
+ *
+ * @author Ronald Veldema (rveldema@cs.vu.nl)
+ * @author Michael Koch (konqueror@gmx.de)
+ * @author Sascha Brawer (brawer@dandelis.ch)
+ */
+public interface Border
+{
+ /**
+ * Paints the border for a given component.
+ *
+ * @param c the component whose border is to be painted.
+ * @param g the graphics for painting.
+ * @param x the horizontal position for painting the border.
+ * @param y the vertical position for painting the border.
+ * @param width the width of the available area for painting the border.
+ * @param height the height of the available area for painting the border.
+ */
+ void paintBorder(Component c, Graphics g,
+ int x, int y, int width, int height);
+
+
+ /**
+ * Measures the width of this border.
+ *
+ * @param c the component whose border is to be measured.
+ *
+ * @return an Insets object whose <code>left</code>, <code>right</code>,
+ * <code>top</code> and <code>bottom</code> fields indicate the
+ * width of the border at the respective edge.
+ */
+ Insets getBorderInsets(Component c);
+
+
+ /**
+ * Determines whether this border fills every pixel in its area
+ * when painting.
+ *
+ * @return <code>true</code> if the border is fully opaque, or
+ * <code>false</code> if some pixels of the background
+ * can shine through the border.
+ */
+ boolean isBorderOpaque();
+}
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