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authorThomas Fitzsimmons <fitzsim@redhat.com>2006-06-14 03:38:34 +0000
committerThomas Fitzsimmons <fitzsim@redhat.com>2006-06-14 03:38:34 +0000
commit17072930bc6db9abae3719de7567dc2655f818b0 (patch)
tree4ead311615cefc89deebca761f0deb7edf23dcb8 /libjava/classpath/java/awt/font/LineBreakMeasurer.java
parentc93f7068dd0ef7d8715ddb5cfdcd6780d4bbdc09 (diff)
2006-06-13 Thomas Fitzsimmons <fitzsim@redhat.com>
* configure: Regenerate. * Makefile.in: Regenerate. * configure.ac (--enable-plugin): New option. (ac_configure_args): Add --enable-tool-wrappers. (ac_configure_args): Add --disable-plugin unless --enable-plugin was specified. * gcj/Makefile.in: Regenerate. * sources.am (gnu_java_net_source_files): Add classpath/gnu/java/net/IndexListParser.java. (property_files): Remove classpath/resource/gnu/classpath/tools/jarsigner/MessageBundle.properties, classpath/resource/gnu/classpath/tools/keytool/MessageBundle.properties. Add classpath/resource/gnu/classpath/tools/appletviewer/MessagesBundle.properties, classpath/resource/gnu/classpath/tools/appletviewer/MessagesBundle_de.properties, classpath/resource/gnu/classpath/tools/getopt/Messages.properties, classpath/resource/gnu/classpath/tools/jar/messages.properties, classpath/resource/gnu/classpath/tools/jarsigner/messages.properties, classpath/resource/gnu/classpath/tools/keytool/messages.properties, classpath/resource/gnu/classpath/tools/native2ascii/messages.properties, classpath/resource/gnu/classpath/tools/serialver/messages.properties. * classpath/Makefile.in: Regenerate. * classpath/native/jni/gtk-peer/cairographics2d.h, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoGraphics2D.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkPixbufDecoder.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_FreetypeGlyphVector.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_ComponentGraphics.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkVolatileImage.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoSurface.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c: Merge from GNU Classpath. * classpath/native/Makefile.in: Regenerate. * classpath/native/jawt/Makefile.in: Regenerate. * classpath/native/jawt/Makefile.am: Install libjawt.so in GCJ's versioned library directory. * classpath/native/Makefile.am: Add plugin directory if --enable-plugin was specified. * classpath/native/plugin/Makefile.in: Regenerate. * classpath/native/plugin/Makefile.am: Install libgcjwebplugin.so in GCJ's versioned library directory. * classpath/resource/gnu/classpath/tools/native2ascii/messages.properties: New file. * classpath/resource/gnu/classpath/tools/getopt/Messages.properties: Likewise. * classpath/resource/gnu/classpath/tools/jarsigner/messages.properties: Likewise. * classpath/resource/gnu/classpath/tools/jarsigner/MessageBundle.properties: Remove file. * classpath/resource/gnu/classpath/tools/keytool/messages.properties: New file. * classpath/resource/gnu/classpath/tools/keytool/MessageBundle.properties: Remove file. * classpath/resource/gnu/classpath/tools/appletviewer/MessagesBundle_de.properties: New file. * classpath/resource/gnu/classpath/tools/appletviewer/MessagesBundle.properties: Likewise. * classpath/resource/gnu/classpath/tools/jar/messages.properties: Likewise. * classpath/resource/gnu/classpath/tools/serialver/messages.properties: Likewise. * classpath/gnu/java/net/IndexListParser.java: Likewise. * classpath/gnu/java/awt/peer/gtk/VolatileImageGraphics.java, classpath/gnu/java/awt/peer/gtk/CairoGraphics2D.java, classpath/gnu/java/awt/peer/gtk/CairoSurface.java, classpath/gnu/java/awt/peer/gtk/GdkFontPeer.java, classpath/gnu/java/awt/peer/gtk/GdkPixbufDecoder.java, classpath/gnu/java/awt/peer/gtk/FreetypeGlyphVector.java, classpath/gnu/java/awt/peer/gtk/GdkTextLayout.java, classpath/gnu/java/awt/peer/gtk/ComponentGraphics.java, classpath/gnu/java/awt/peer/gtk/CairoSurfaceGraphics.java, classpath/gnu/java/awt/peer/gtk/GtkVolatileImage.java, classpath/gnu/java/awt/font/opentype/truetype/VirtualMachine.java, classpath/gnu/java/awt/java2d/PolyEdge.java, classpath/gnu/java/awt/java2d/AbstractGraphics2D.java: Merge from GNU Classpath. * classpath/tools/toolwrapper.c: Replace tools.zip reference with libgcj-tools-4.2.0.jar. * classpath/tools/Makefile.in: Regenerate. * classpath/tools/Makefile.am: Rename tools.zip to libgcj-tools-4.2.0.jar. Install libgcj-tools-4.2.0.jar in $(datadir)/java. * classpath/javax/swing/JTabbedPane.java, classpath/javax/swing/text/DefaultStyledDocument.java, classpath/javax/swing/text/html/HTMLDocument.java, classpath/javax/swing/text/GapContent.java, classpath/javax/swing/JComponent.java, classpath/javax/swing/RepaintManager.java, classpath/javax/swing/plaf/basic/BasicComboBoxRenderer.java, classpath/javax/swing/plaf/basic/BasicScrollBarUI.java, classpath/javax/swing/plaf/basic/BasicTabbedPaneUI.java, classpath/javax/swing/plaf/basic/BasicScrollPaneUI.java, classpath/javax/swing/plaf/basic/BasicLookAndFeel.java, classpath/javax/swing/plaf/metal/MetalButtonUI.java, classpath/java/text/Bidi.java, classpath/java/awt/image/BufferedImage.java, classpath/java/awt/datatransfer/DataFlavor.java, classpath/java/awt/geom/AffineTransform.java, classpath/java/awt/dnd/DropTargetDropEvent.java, classpath/java/awt/dnd/DropTargetContext.java, classpath/java/awt/font/TextLayout.java, classpath/include/gnu_java_awt_peer_gtk_ComponentGraphics.h, classpath/include/gnu_java_awt_peer_gtk_CairoGraphics2D.h, classpath/include/gnu_java_awt_peer_gtk_FreetypeGlyphVector.h, classpath/include/gnu_java_awt_peer_gtk_GdkTextLayout.h, classpath/include/gnu_java_awt_peer_gtk_GtkVolatileImage.h, classpath/include/gnu_java_awt_peer_gtk_CairoSurface.h: Merge from GNU Classpath. * classpath/include/gnu_java_awt_peer_gtk_GdkGraphics.h, classpath/include/gnu_java_awt_peer_gtk_GdkGraphics2D.h, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics2D.c, classpath/native/jni/gtk-peer/gtkcairopeer.h, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics.c: Remove files. * classpath/Makefile.am (SUBDIRS, DIST_SUBDIRS): Include tools directory. * include/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@114633 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/classpath/java/awt/font/LineBreakMeasurer.java')
-rw-r--r--libjava/classpath/java/awt/font/LineBreakMeasurer.java165
1 files changed, 121 insertions, 44 deletions
diff --git a/libjava/classpath/java/awt/font/LineBreakMeasurer.java b/libjava/classpath/java/awt/font/LineBreakMeasurer.java
index 14985b44cb9..c2a6d45d9f5 100644
--- a/libjava/classpath/java/awt/font/LineBreakMeasurer.java
+++ b/libjava/classpath/java/awt/font/LineBreakMeasurer.java
@@ -1,5 +1,5 @@
/* LineBreakMeasurer.java
- Copyright (C) 2003 Free Software Foundation, Inc.
+ Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -38,84 +38,161 @@ exception statement from your version. */
package java.awt.font;
-import gnu.classpath.NotImplementedException;
-
import java.text.AttributedCharacterIterator;
+import java.text.AttributedString;
import java.text.BreakIterator;
+import java.awt.font.TextLayout;
+import java.awt.font.FontRenderContext;
+import java.awt.Shape;
public final class LineBreakMeasurer
{
- private AttributedCharacterIterator ci;
+ private AttributedCharacterIterator text;
+ private int position;
private FontRenderContext frc;
- private BreakIterator bi;
+ private TextLayout totalLayout;
+ private int numChars;
- /**
- * Constructs a <code>LineBreakMeasurer</code> object.
- */
- public LineBreakMeasurer (AttributedCharacterIterator text,
- FontRenderContext frc)
+ public LineBreakMeasurer(AttributedCharacterIterator text,
+ BreakIterator breakIter, FontRenderContext frc)
{
- this (text, null, frc);
+ this.text = text;
+ this.frc = frc;
+ position = 0;
+ totalLayout = new TextLayout(text, frc);
+ numChars = totalLayout.getCharacterCount();
}
- /**
- * Constructs a <code>LineBreakMeasurer</code> object.
- */
- public LineBreakMeasurer (AttributedCharacterIterator text,
- BreakIterator breakIter, FontRenderContext frc)
+ public LineBreakMeasurer(AttributedCharacterIterator text,
+ FontRenderContext frc)
{
- this.ci = text;
- this.bi = breakIter;
+ this.text = text;
this.frc = frc;
+ position = 0;
+ totalLayout = new TextLayout(text, frc);
+ numChars = totalLayout.getCharacterCount();
}
- public void deleteChar (AttributedCharacterIterator newParagraph,
- int deletePos)
- throws NotImplementedException
+ public void deleteChar(AttributedCharacterIterator newParagraph,
+ int deletePos)
{
- throw new Error ("not implemented");
+ totalLayout = new TextLayout(newParagraph, frc);
+ if( deletePos < 0 || deletePos > totalLayout.getCharacterCount() )
+ throw new NullPointerException("Invalid deletePos:"+deletePos);
+ numChars = totalLayout.getCharacterCount();
+ text = newParagraph;
+ position = 0;
}
- public int getPosition ()
+ public void insertChar(AttributedCharacterIterator newParagraph,
+ int insertPos)
{
- return ci.getIndex ();
+ totalLayout = new TextLayout(newParagraph, frc);
+ if( insertPos < 0 || insertPos > totalLayout.getCharacterCount() )
+ throw new NullPointerException("Invalid insertPos:"+insertPos);
+ numChars = totalLayout.getCharacterCount();
+ text = newParagraph;
+ position = 0;
}
- public void insertChar (AttributedCharacterIterator newParagraph,
- int insertPos)
- throws NotImplementedException
+ public TextLayout nextLayout(float wrappingWidth)
{
- throw new Error ("not implemented");
+ return nextLayout( wrappingWidth, numChars, false );
}
- public TextLayout nextLayout (float wrappingWidth)
- throws NotImplementedException
+ public TextLayout nextLayout(float wrappingWidth, int offsetLimit,
+ boolean requireNextWord)
{
- throw new Error ("not implemented");
+ int next = nextOffset( wrappingWidth, offsetLimit, requireNextWord );
+ AttributedCharacterIterator aci = (new AttributedString( text,
+ position, next )
+ ).getIterator();
+ position = next;
+ return new TextLayout( aci, frc );
}
- public TextLayout nextLayout (float wrappingWidth, int offsetLimit,
- boolean requireNextWord)
- throws NotImplementedException
+ public int nextOffset(float wrappingWidth)
{
- throw new Error ("not implemented");
+ return nextOffset( wrappingWidth, numChars, false );
}
- public int nextOffset (float wrappingWidth)
- throws NotImplementedException
+ public int nextOffset(float wrappingWidth, int offsetLimit,
+ boolean requireNextWord)
{
- throw new Error ("not implemented");
+ Shape s = totalLayout.getBlackBoxBounds( position, offsetLimit );
+ double remainingLength = s.getBounds2D().getWidth();
+
+ int guessOffset = (int)( ( (double)wrappingWidth / (double)remainingLength)
+ * ( (double)numChars - (double)position ) );
+ guessOffset += position;
+ if( guessOffset > offsetLimit )
+ guessOffset = offsetLimit;
+
+ s = totalLayout.getBlackBoxBounds( position, guessOffset );
+ double guessLength = s.getBounds2D().getWidth();
+
+ boolean makeSmaller = ( guessLength > wrappingWidth );
+ int inc = makeSmaller ? -1 : 1;
+ boolean keepGoing = true;
+
+ do
+ {
+ guessOffset = guessOffset + inc;
+ if( guessOffset <= position || guessOffset > offsetLimit )
+ {
+ keepGoing = false;
+ }
+ else
+ {
+ s = totalLayout.getBlackBoxBounds( position, guessOffset );
+ guessLength = s.getBounds2D().getWidth();
+ if( makeSmaller && ( guessLength <= wrappingWidth) )
+ keepGoing = false;
+ if( !makeSmaller && ( guessLength >= wrappingWidth) )
+ keepGoing = false;
+ }
+ }
+ while( keepGoing );
+
+ if( !makeSmaller )
+ guessOffset--;
+
+ if( guessOffset >= offsetLimit )
+ return offsetLimit;
+
+ text.setIndex( guessOffset );
+ if( !requireNextWord )
+ {
+ char c = text.previous();
+ while( !Character.isWhitespace( c ) && c != '-' &&
+ guessOffset > position )
+ {
+ guessOffset--;
+ c = text.previous();
+ }
+ }
+ else
+ {
+ char c = text.next();
+ while( !Character.isWhitespace( c ) && c != '-' &&
+ guessOffset < offsetLimit )
+ {
+ guessOffset++;
+ c = text.next();
+ }
+ }
+
+ return guessOffset;
}
- public int nextOffset (float wrappingWidth, int offsetLimit,
- boolean requireNextWord)
- throws NotImplementedException
+ public void setPosition(int newPosition)
{
- throw new Error ("not implemented");
+ position = newPosition;
}
- public void setPosition (int newPosition)
+ public int getPosition()
{
- ci.setIndex (newPosition);
+ return position;
}
}
+