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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/swing/border/Border.java | |
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Diffstat (limited to 'libjava/classpath/javax/swing/border/Border.java')
-rw-r--r-- | libjava/classpath/javax/swing/border/Border.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/border/Border.java b/libjava/classpath/javax/swing/border/Border.java new file mode 100644 index 000000000..da25832ad --- /dev/null +++ b/libjava/classpath/javax/swing/border/Border.java @@ -0,0 +1,103 @@ +/* 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(); +} |