332 lines
8.5 KiB
Java
332 lines
8.5 KiB
Java
/* TextLayout.java --
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Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt.font;
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import gnu.java.awt.ClasspathToolkit;
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import gnu.java.awt.peer.ClasspathTextLayoutPeer;
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import java.awt.Font;
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import java.awt.Graphics2D;
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import java.awt.Shape;
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import java.awt.Toolkit;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Rectangle2D;
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import java.text.AttributedCharacterIterator;
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import java.text.AttributedString;
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import java.util.Map;
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/**
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* @author Michael Koch
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*/
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public final class TextLayout implements Cloneable
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{
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public static final CaretPolicy DEFAULT_CARET_POLICY = new CaretPolicy ();
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ClasspathTextLayoutPeer peer;
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public static class CaretPolicy
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{
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public CaretPolicy ()
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{
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// Do nothing here.
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}
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public TextHitInfo getStrongCaret (TextHitInfo hit1, TextHitInfo hit2,
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TextLayout layout)
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{
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return layout.peer.getStrongCaret(hit1, hit2);
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}
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}
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public TextLayout (AttributedCharacterIterator text, FontRenderContext frc)
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{
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AttributedString as = new AttributedString (text);
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ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ());
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peer = tk.getClasspathTextLayoutPeer(as, frc);
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}
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public TextLayout (String string, Font font, FontRenderContext frc)
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{
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AttributedString as = new AttributedString (string);
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as.addAttribute (TextAttribute.FONT, font);
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ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ());
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peer = tk.getClasspathTextLayoutPeer(as, frc);
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}
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public TextLayout (String string, Map attributes, FontRenderContext frc)
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{
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AttributedString as = new AttributedString (string, attributes);
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ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ());
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peer = tk.getClasspathTextLayoutPeer(as, frc);
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}
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protected Object clone ()
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{
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try
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{
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TextLayout tl = (TextLayout) super.clone ();
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tl.peer = (ClasspathTextLayoutPeer) this.peer.clone();
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return tl;
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}
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catch (CloneNotSupportedException e)
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{
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// This should never occur
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throw new InternalError ();
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}
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}
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public void draw (Graphics2D g2, float x, float y)
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{
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peer.draw(g2, x, y);
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}
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public boolean equals (Object obj)
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{
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if (! (obj instanceof TextLayout))
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return false;
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return equals ((TextLayout) obj);
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}
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public boolean equals (TextLayout tl)
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{
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return this.peer.equals(tl.peer);
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}
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public float getAdvance ()
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{
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return peer.getAdvance();
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}
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public float getAscent ()
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{
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return peer.getAscent();
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}
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public byte getBaseline ()
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{
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return peer.getBaseline();
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}
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public float[] getBaselineOffsets ()
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{
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return peer.getBaselineOffsets();
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}
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public Shape getBlackBoxBounds (int firstEndpoint, int secondEndpoint)
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{
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return peer.getBlackBoxBounds(firstEndpoint, secondEndpoint);
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}
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public Rectangle2D getBounds()
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{
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return peer.getBounds();
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}
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public float[] getCaretInfo (TextHitInfo hit)
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{
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return getCaretInfo(hit, getBounds());
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}
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public float[] getCaretInfo (TextHitInfo hit, Rectangle2D bounds)
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{
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return peer.getCaretInfo(hit, bounds);
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}
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public Shape getCaretShape (TextHitInfo hit)
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{
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return getCaretShape(hit, getBounds());
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}
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public Shape getCaretShape (TextHitInfo hit, Rectangle2D bounds)
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{
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return peer.getCaretShape(hit, bounds);
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}
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public Shape[] getCaretShapes (int offset)
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{
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return getCaretShapes(offset, getBounds());
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}
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public Shape[] getCaretShapes (int offset, Rectangle2D bounds)
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{
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return getCaretShapes(offset, getBounds(), DEFAULT_CARET_POLICY);
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}
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public Shape[] getCaretShapes (int offset, Rectangle2D bounds,
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TextLayout.CaretPolicy policy)
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{
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return peer.getCaretShapes(offset, bounds, policy);
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}
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public int getCharacterCount ()
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{
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return peer.getCharacterCount();
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}
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public byte getCharacterLevel (int index)
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{
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return peer.getCharacterLevel(index);
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}
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public float getDescent ()
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{
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return peer.getDescent();
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}
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public TextLayout getJustifiedLayout (float justificationWidth)
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{
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return peer.getJustifiedLayout(justificationWidth);
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}
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public float getLeading ()
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{
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return peer.getLeading();
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}
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public Shape getLogicalHighlightShape (int firstEndpoint, int secondEndpoint)
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{
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return getLogicalHighlightShape (firstEndpoint, secondEndpoint, getBounds());
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}
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public Shape getLogicalHighlightShape (int firstEndpoint, int secondEndpoint,
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Rectangle2D bounds)
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{
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return peer.getLogicalHighlightShape(firstEndpoint, secondEndpoint, bounds);
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}
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public int[] getLogicalRangesForVisualSelection (TextHitInfo firstEndpoint,
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TextHitInfo secondEndpoint)
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{
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return peer.getLogicalRangesForVisualSelection(firstEndpoint, secondEndpoint);
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}
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public TextHitInfo getNextLeftHit (int offset)
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{
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return getNextLeftHit(offset, DEFAULT_CARET_POLICY);
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}
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public TextHitInfo getNextLeftHit (int offset, TextLayout.CaretPolicy policy)
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{
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return peer.getNextLeftHit(offset, policy);
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}
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public TextHitInfo getNextLeftHit (TextHitInfo hit)
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{
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return getNextLeftHit(hit.getCharIndex());
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}
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public TextHitInfo getNextRightHit (int offset)
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{
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return getNextRightHit(offset, DEFAULT_CARET_POLICY);
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}
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public TextHitInfo getNextRightHit (int offset, TextLayout.CaretPolicy policy)
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{
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return peer.getNextRightHit(offset, policy);
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}
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public TextHitInfo getNextRightHit (TextHitInfo hit)
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{
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return getNextRightHit(hit.getCharIndex());
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}
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public Shape getOutline (AffineTransform tx)
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{
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return peer.getOutline(tx);
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}
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public float getVisibleAdvance ()
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{
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return peer.getVisibleAdvance();
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}
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public Shape getVisualHighlightShape (TextHitInfo firstEndpoint,
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TextHitInfo secondEndpoint)
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{
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return getVisualHighlightShape(firstEndpoint, secondEndpoint, getBounds());
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}
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public Shape getVisualHighlightShape (TextHitInfo firstEndpoint,
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TextHitInfo secondEndpoint,
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Rectangle2D bounds)
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{
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return peer.getVisualHighlightShape(firstEndpoint, secondEndpoint, bounds);
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}
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public TextHitInfo getVisualOtherHit (TextHitInfo hit)
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{
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return peer.getVisualOtherHit(hit);
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}
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protected void handleJustify (float justificationWidth)
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{
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peer.handleJustify(justificationWidth);
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}
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public int hashCode ()
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{
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return peer.hashCode();
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}
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public TextHitInfo hitTestChar (float x, float y)
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{
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return hitTestChar(x, y, getBounds());
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}
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public TextHitInfo hitTestChar (float x, float y, Rectangle2D bounds)
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{
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return peer.hitTestChar(x, y, bounds);
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}
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public boolean isLeftToRight ()
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{
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return peer.isLeftToRight();
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}
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public boolean isVertical ()
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{
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return peer.isVertical();
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}
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public String toString ()
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{
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return peer.toString();
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}
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}
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