diff options
Diffstat (limited to 'libjava/java/awt/font/TextLayout.java')
| -rw-r--r-- | libjava/java/awt/font/TextLayout.java | 259 |
1 files changed, 63 insertions, 196 deletions
diff --git a/libjava/java/awt/font/TextLayout.java b/libjava/java/awt/font/TextLayout.java index b58b5a58349..7d6c4d8c635 100644 --- a/libjava/java/awt/font/TextLayout.java +++ b/libjava/java/awt/font/TextLayout.java @@ -1,5 +1,5 @@ -/* TextLayout.java - Copyright (C) 2003 Free Software Foundation, Inc. +/* TextLayout.java -- + Copyright (C) 2003, 2004 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,17 +38,18 @@ 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.CharacterIterator; import java.text.AttributedCharacterIterator; import java.text.AttributedString; import java.util.Map; -import java.awt.font.TextAttribute; - /** * @author Michael Koch @@ -56,6 +57,7 @@ import java.awt.font.TextAttribute; public final class TextLayout implements Cloneable { public static final CaretPolicy DEFAULT_CARET_POLICY = new CaretPolicy (); + ClasspathTextLayoutPeer peer; public static class CaretPolicy { @@ -67,37 +69,39 @@ public final class TextLayout implements Cloneable public TextHitInfo getStrongCaret (TextHitInfo hit1, TextHitInfo hit2, TextLayout layout) { - throw new Error ("not implemented"); + return layout.peer.getStrongCaret(hit1, hit2); } } - private AttributedString attributedString; - private FontRenderContext fontRenderContext; - public TextLayout (AttributedCharacterIterator text, FontRenderContext frc) { - attributedString = new AttributedString (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 = new AttributedString (string); - attributedString.addAttribute (TextAttribute.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) + public TextLayout (String string, Map attributes, FontRenderContext frc) { - attributedString = new AttributedString (string, attributes); - fontRenderContext = frc; + AttributedString as = new AttributedString (string, attributes); + ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ()); + peer = tk.getClasspathTextLayoutPeer(as, frc); } protected Object clone () { try { - return super.clone (); + TextLayout tl = (TextLayout) super.clone (); + tl.peer = (ClasspathTextLayoutPeer) this.peer.clone(); + return tl; } catch (CloneNotSupportedException e) { @@ -107,146 +111,9 @@ public final class TextLayout implements Cloneable } - protected class CharacterIteratorProxy - implements CharacterIterator - { - public CharacterIterator target; - public int begin; - public int limit; - public int index; - - public CharacterIteratorProxy (CharacterIterator ci) - { - target = ci; - } - - public int getBeginIndex () - { - return begin; - } - - public int getEndIndex () - { - return limit; - } - - public int getIndex () - { - return index; - } - - public char setIndex (int idx) - throws IllegalArgumentException - { - if (idx < begin || idx >= limit) - throw new IllegalArgumentException (); - char ch = target.setIndex (idx); - index = idx; - return ch; - } - - public char first () - { - int save = target.getIndex (); - char ch = target.setIndex (begin); - target.setIndex (save); - return ch; - } - - public char last () - { - if (begin == limit) - return this.first (); - - int save = target.getIndex (); - char ch = target.setIndex (limit - 1); - target.setIndex (save); - return ch; - } - - public char current () - { - return target.current(); - } - - public char next () - { - if (index >= limit - 1) - return CharacterIterator.DONE; - else - { - index++; - return target.next(); - } - } - - public char previous () - { - if (index <= begin) - return CharacterIterator.DONE; - else - { - index--; - return target.previous (); - } - } - - public Object clone () - { - CharacterIteratorProxy cip = new CharacterIteratorProxy (this.target); - cip.begin = this.begin; - cip.limit = this.limit; - cip.index = this.index; - return cip; - } - - } - - public void draw (Graphics2D g2, float x, float y) { - AttributedCharacterIterator ci = attributedString.getIterator (); - CharacterIteratorProxy proxy = new CharacterIteratorProxy (ci); - Font defFont = g2.getFont (); - - /* Note: this implementation currently only interprets FONT text - * attributes. There is a reasonable argument to be made for some - * attributes being interpreted out here, where we have control of the - * Graphics2D and can construct or derive new fonts, and some - * attributes being interpreted by the GlyphVector itself. So far, for - * all attributes except FONT we do neither. - */ - - for (char c = ci.first (); - c != CharacterIterator.DONE; - c = ci.next ()) - { - proxy.begin = ci.getIndex (); - proxy.limit = ci.getRunLimit(TextAttribute.FONT); - if (proxy.limit <= proxy.begin) - continue; - - proxy.index = proxy.begin; - - Object fnt = ci.getAttribute(TextAttribute.FONT); - GlyphVector gv; - if (fnt instanceof Font) - gv = ((Font)fnt).createGlyphVector (fontRenderContext, proxy); - else - gv = defFont.createGlyphVector (fontRenderContext, proxy); - - g2.drawGlyphVector (gv, x, y); - - int n = gv.getNumGlyphs (); - for (int i = 0; i < n; ++i) - { - GlyphMetrics gm = gv.getGlyphMetrics (i); - if (gm.getAdvanceX() == gm.getAdvance ()) - x += gm.getAdvanceX (); - else - y += gm.getAdvanceY (); - } - } + peer.draw(g2, x, y); } public boolean equals (Object obj) @@ -259,207 +126,207 @@ public final class TextLayout implements Cloneable public boolean equals (TextLayout tl) { - throw new Error ("not implemented"); + return this.peer.equals(tl.peer); } public float getAdvance () { - throw new Error ("not implemented"); + return peer.getAdvance(); } public float getAscent () { - throw new Error ("not implemented"); + return peer.getAscent(); } public byte getBaseline () { - throw new Error ("not implemented"); + return peer.getBaseline(); } public float[] getBaselineOffsets () { - throw new Error ("not implemented"); + return peer.getBaselineOffsets(); } public Shape getBlackBoxBounds (int firstEndpoint, int secondEndpoint) { - throw new Error ("not implemented"); + return peer.getBlackBoxBounds(firstEndpoint, secondEndpoint); } public Rectangle2D getBounds() { - throw new Error ("not implemented"); + return peer.getBounds(); } public float[] getCaretInfo (TextHitInfo hit) { - throw new Error ("not implemented"); + return getCaretInfo(hit, getBounds()); } public float[] getCaretInfo (TextHitInfo hit, Rectangle2D bounds) { - throw new Error ("not implemented"); + return peer.getCaretInfo(hit, bounds); } public Shape getCaretShape (TextHitInfo hit) { - throw new Error ("not implemented"); + return getCaretShape(hit, getBounds()); } public Shape getCaretShape (TextHitInfo hit, Rectangle2D bounds) { - throw new Error ("not implemented"); + return peer.getCaretShape(hit, bounds); } public Shape[] getCaretShapes (int offset) { - throw new Error ("not implemented"); + return getCaretShapes(offset, getBounds()); } public Shape[] getCaretShapes (int offset, Rectangle2D bounds) { - throw new Error ("not implemented"); + return getCaretShapes(offset, getBounds(), DEFAULT_CARET_POLICY); } public Shape[] getCaretShapes (int offset, Rectangle2D bounds, TextLayout.CaretPolicy policy) { - throw new Error ("not implemented"); + return peer.getCaretShapes(offset, bounds, policy); } public int getCharacterCount () { - throw new Error ("not implemented"); + return peer.getCharacterCount(); } public byte getCharacterLevel (int index) { - throw new Error ("not implemented"); + return peer.getCharacterLevel(index); } public float getDescent () { - throw new Error ("not implemented"); + return peer.getDescent(); } public TextLayout getJustifiedLayout (float justificationWidth) { - throw new Error ("not implemented"); + return peer.getJustifiedLayout(justificationWidth); } public float getLeading () { - throw new Error ("not implemented"); + return peer.getLeading(); } public Shape getLogicalHighlightShape (int firstEndpoint, int secondEndpoint) { - throw new Error ("not implemented"); + return getLogicalHighlightShape (firstEndpoint, secondEndpoint, getBounds()); } public Shape getLogicalHighlightShape (int firstEndpoint, int secondEndpoint, Rectangle2D bounds) { - throw new Error ("not implemented"); + return peer.getLogicalHighlightShape(firstEndpoint, secondEndpoint, bounds); } public int[] getLogicalRangesForVisualSelection (TextHitInfo firstEndpoint, TextHitInfo secondEndpoint) { - throw new Error ("not implemented"); + return peer.getLogicalRangesForVisualSelection(firstEndpoint, secondEndpoint); } public TextHitInfo getNextLeftHit (int offset) { - throw new Error ("not implemented"); + return getNextLeftHit(offset, DEFAULT_CARET_POLICY); } public TextHitInfo getNextLeftHit (int offset, TextLayout.CaretPolicy policy) { - throw new Error ("not implemented"); + return peer.getNextLeftHit(offset, policy); } public TextHitInfo getNextLeftHit (TextHitInfo hit) { - throw new Error ("not implemented"); + return getNextLeftHit(hit.getCharIndex()); } public TextHitInfo getNextRightHit (int offset) { - throw new Error ("not implemented"); + return getNextRightHit(offset, DEFAULT_CARET_POLICY); } public TextHitInfo getNextRightHit (int offset, TextLayout.CaretPolicy policy) { - throw new Error ("not implemented"); + return peer.getNextRightHit(offset, policy); } public TextHitInfo getNextRightHit (TextHitInfo hit) { - throw new Error ("not implemented"); + return getNextRightHit(hit.getCharIndex()); } public Shape getOutline (AffineTransform tx) { - throw new Error ("not implemented"); + return peer.getOutline(tx); } public float getVisibleAdvance () { - throw new Error ("not implemented"); + return peer.getVisibleAdvance(); } public Shape getVisualHighlightShape (TextHitInfo firstEndpoint, TextHitInfo secondEndpoint) { - throw new Error ("not implemented"); + return getVisualHighlightShape(firstEndpoint, secondEndpoint, getBounds()); } public Shape getVisualHighlightShape (TextHitInfo firstEndpoint, TextHitInfo secondEndpoint, Rectangle2D bounds) { - throw new Error ("not implemented"); + return peer.getVisualHighlightShape(firstEndpoint, secondEndpoint, bounds); } public TextHitInfo getVisualOtherHit (TextHitInfo hit) { - throw new Error ("not implemented"); + return peer.getVisualOtherHit(hit); } protected void handleJustify (float justificationWidth) { - throw new Error ("not implemented"); + peer.handleJustify(justificationWidth); } public int hashCode () { - throw new Error ("not implemented"); + return peer.hashCode(); } public TextHitInfo hitTestChar (float x, float y) { - throw new Error ("not implemented"); + return hitTestChar(x, y, getBounds()); } public TextHitInfo hitTestChar (float x, float y, Rectangle2D bounds) { - throw new Error ("not implemented"); + return peer.hitTestChar(x, y, bounds); } public boolean isLeftToRight () { - throw new Error ("not implemented"); + return peer.isLeftToRight(); } public boolean isVertical () { - throw new Error ("not implemented"); + return peer.isVertical(); } public String toString () { - throw new Error ("not implemented"); + return peer.toString(); } } |
