javax.swing.text

Class Utilities


public class Utilities
extends Object

A set of utilities to deal with text. This is used by several other classes inside this package.

Constructor Summary

Utilities()
Creates a new Utilities object.

Method Summary

static int
drawTabbedText(Segment s, int x, int y, Graphics g, TabExpander e, int startOffset)
Draws the given text segment.
static int
getTabbedTextWidth(Segment s, FontMetrics metrics, int x, TabExpander e, int startOffset)
Determines the width, that the given text s would take if it was printed with the given FontMetrics on the specified screen position.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Utilities

public Utilities()
Creates a new Utilities object.

Method Details

drawTabbedText

public static final int drawTabbedText(Segment s,
                                       int x,
                                       int y,
                                       Graphics g,
                                       TabExpander e,
                                       int startOffset)
Draws the given text segment. Contained tabs and newline characters are taken into account. Tabs are expanded using the specified TabExpander.

Parameters:
s - the text fragment to be drawn.
x - the x position for drawing.
y - the y position for drawing.
g - the Graphics context for drawing.
e - the TabExpander which specifies the Tab-expanding technique.
startOffset - starting offset in the text.

Returns:
the x coordinate at the end of the drawn text.


getTabbedTextWidth

public static final int getTabbedTextWidth(Segment s,
                                           FontMetrics metrics,
                                           int x,
                                           TabExpander e,
                                           int startOffset)
Determines the width, that the given text s would take if it was printed with the given FontMetrics on the specified screen position.

Parameters:
s - the text fragment
metrics - the font metrics of the font to be used
x - the x coordinate of the point at which drawing should be done
e - the TabExpander to be used
startOffset - the index in s where to start


Utilities.java -- Copyright (C) 2004, 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.