Initial revision

From-SVN: r102074

libjava/classpath/java/awt/font/TextLayout.java

@@ -0,0 +1,332 @@
+/* TextLayout.java --
+   Copyright (C) 2003, 2004  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 java.awt.font;
+
+import gnu.java.awt.ClasspathToolkit;
+import gnu.java.awt.peer.ClasspathTextLayoutPeer;
+
+import java.awt.Font;
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import java.awt.Toolkit;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
+import java.text.AttributedCharacterIterator;
+import java.text.AttributedString;
+import java.util.Map;
+
+/**
+ * @author Michael Koch
+ */
+public final class TextLayout implements Cloneable
+{
+  public static final CaretPolicy DEFAULT_CARET_POLICY = new CaretPolicy ();
+  ClasspathTextLayoutPeer peer;
+
+  public static class CaretPolicy
+  {
+    public CaretPolicy ()
+    {
+      // Do nothing here.
+    }
+
+    public TextHitInfo getStrongCaret (TextHitInfo hit1, TextHitInfo hit2,
+                                       TextLayout layout)
+    {
+      return layout.peer.getStrongCaret(hit1, hit2);
+    }
+  }
+
+  public TextLayout (AttributedCharacterIterator text, FontRenderContext frc)
+  {    
+    AttributedString as = new AttributedString (text);
+    ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ());
+    peer = tk.getClasspathTextLayoutPeer(as, frc);
+  }
+
+  public TextLayout (String string, Font font, FontRenderContext frc) 
+  {
+    AttributedString as = new AttributedString (string);
+    as.addAttribute (TextAttribute.FONT, font);
+    ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ());
+    peer = tk.getClasspathTextLayoutPeer(as, frc);
+  }
+
+  public TextLayout (String string, Map attributes, FontRenderContext frc)  
+  {
+    AttributedString as = new AttributedString (string, attributes);
+    ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ());
+    peer = tk.getClasspathTextLayoutPeer(as, frc);
+  }
+
+  protected Object clone ()
+  {
+    try
+      {
+        TextLayout tl = (TextLayout) super.clone ();
+        tl.peer = (ClasspathTextLayoutPeer) this.peer.clone();
+        return tl;
+      }
+    catch (CloneNotSupportedException e)
+      {
+        // This should never occur
+        throw new InternalError ();
+      }
+  }
+
+
+  public void draw (Graphics2D g2, float x, float y) 
+  {
+    peer.draw(g2, x, y);
+  }
+
+  public boolean equals (Object obj)
+  {
+    if (! (obj instanceof TextLayout))
+      return false;
+
+    return equals ((TextLayout) obj);
+  }
+
+  public boolean equals (TextLayout tl)
+  {
+    return this.peer.equals(tl.peer);
+  }
+
+  public float getAdvance ()
+  {
+    return peer.getAdvance();
+  }
+
+  public float getAscent ()
+  {
+    return peer.getAscent();
+  }
+
+  public byte getBaseline ()
+  {
+    return peer.getBaseline();
+  }
+
+  public float[] getBaselineOffsets ()
+  {
+    return peer.getBaselineOffsets();
+  }
+
+  public Shape getBlackBoxBounds (int firstEndpoint, int secondEndpoint)
+  {
+    return peer.getBlackBoxBounds(firstEndpoint, secondEndpoint);
+  }
+
+  public Rectangle2D getBounds()
+  {
+    return peer.getBounds();
+  }
+
+  public float[] getCaretInfo (TextHitInfo hit)
+  {
+    return getCaretInfo(hit, getBounds());
+  }
+
+  public float[] getCaretInfo (TextHitInfo hit, Rectangle2D bounds)
+  {
+    return peer.getCaretInfo(hit, bounds);
+  }
+
+  public Shape getCaretShape (TextHitInfo hit)
+  {
+    return getCaretShape(hit, getBounds());
+  }
+
+  public Shape getCaretShape (TextHitInfo hit, Rectangle2D bounds)
+  {
+    return peer.getCaretShape(hit, bounds);
+  }
+
+  public Shape[] getCaretShapes (int offset)
+  {
+    return getCaretShapes(offset, getBounds());
+  }
+
+  public Shape[] getCaretShapes (int offset, Rectangle2D bounds)
+  {
+    return getCaretShapes(offset, getBounds(), DEFAULT_CARET_POLICY);
+  }
+
+  public Shape[] getCaretShapes (int offset, Rectangle2D bounds,
+                                 TextLayout.CaretPolicy policy)
+  {
+    return peer.getCaretShapes(offset, bounds, policy);
+  }
+
+  public int getCharacterCount ()
+  {
+    return peer.getCharacterCount();
+  }
+
+  public byte getCharacterLevel (int index)
+  {
+    return peer.getCharacterLevel(index);
+  }
+
+  public float getDescent ()
+  {
+    return peer.getDescent();
+  }
+
+  public TextLayout getJustifiedLayout (float justificationWidth)
+  {
+    return peer.getJustifiedLayout(justificationWidth);
+  }
+
+  public float getLeading ()
+  {
+    return peer.getLeading();
+  }
+
+  public Shape getLogicalHighlightShape (int firstEndpoint, int secondEndpoint)
+  {
+    return getLogicalHighlightShape (firstEndpoint, secondEndpoint, getBounds());
+  }
+
+  public Shape getLogicalHighlightShape (int firstEndpoint, int secondEndpoint,
+                                         Rectangle2D bounds)
+  {
+    return peer.getLogicalHighlightShape(firstEndpoint, secondEndpoint, bounds);
+  }
+
+  public int[] getLogicalRangesForVisualSelection (TextHitInfo firstEndpoint,
+                                                   TextHitInfo secondEndpoint)
+  {
+    return peer.getLogicalRangesForVisualSelection(firstEndpoint, secondEndpoint);
+  }
+
+  public TextHitInfo getNextLeftHit (int offset)
+  {
+    return getNextLeftHit(offset, DEFAULT_CARET_POLICY);
+  }
+
+  public TextHitInfo getNextLeftHit (int offset, TextLayout.CaretPolicy policy)
+  {
+    return peer.getNextLeftHit(offset, policy);
+  }
+
+  public TextHitInfo getNextLeftHit (TextHitInfo hit)
+  {
+    return getNextLeftHit(hit.getCharIndex());
+  }
+
+  public TextHitInfo getNextRightHit (int offset)
+  {
+    return getNextRightHit(offset, DEFAULT_CARET_POLICY);
+  }
+
+  public TextHitInfo getNextRightHit (int offset, TextLayout.CaretPolicy policy)
+  {
+    return peer.getNextRightHit(offset, policy);
+  }
+
+  public TextHitInfo getNextRightHit (TextHitInfo hit)
+  {
+    return getNextRightHit(hit.getCharIndex());
+  }
+
+  public Shape getOutline (AffineTransform tx)
+  {
+    return peer.getOutline(tx);
+  }
+
+  public float getVisibleAdvance ()
+  {
+    return peer.getVisibleAdvance();
+  }
+
+  public Shape getVisualHighlightShape (TextHitInfo firstEndpoint,
+                                        TextHitInfo secondEndpoint)
+  {
+    return getVisualHighlightShape(firstEndpoint, secondEndpoint, getBounds());
+  }
+
+  public Shape getVisualHighlightShape (TextHitInfo firstEndpoint,
+                                        TextHitInfo secondEndpoint,
+                                        Rectangle2D bounds)
+  {
+    return peer.getVisualHighlightShape(firstEndpoint, secondEndpoint, bounds);
+  }
+
+  public TextHitInfo getVisualOtherHit (TextHitInfo hit)
+  {
+    return peer.getVisualOtherHit(hit);
+  }
+
+  protected void handleJustify (float justificationWidth)
+  {
+    peer.handleJustify(justificationWidth);
+  }
+
+  public int hashCode ()
+  {
+    return peer.hashCode();
+  }
+
+  public TextHitInfo hitTestChar (float x, float y)
+  {
+    return hitTestChar(x, y, getBounds());
+  }
+
+  public TextHitInfo hitTestChar (float x, float y, Rectangle2D bounds)
+  {
+    return peer.hitTestChar(x, y, bounds);
+  }
+
+  public boolean isLeftToRight ()
+  {
+    return peer.isLeftToRight();
+  }
+
+  public boolean isVertical ()
+  {
+    return peer.isVertical();
+  }
+
+  public String toString ()
+  {
+    return peer.toString();
+  }
+}