diff options
Diffstat (limited to 'libjava/gnu/java/awt/peer/gtk/GdkTextLayout.java')
-rw-r--r-- | libjava/gnu/java/awt/peer/gtk/GdkTextLayout.java | 434 |
1 files changed, 0 insertions, 434 deletions
diff --git a/libjava/gnu/java/awt/peer/gtk/GdkTextLayout.java b/libjava/gnu/java/awt/peer/gtk/GdkTextLayout.java deleted file mode 100644 index ff51745f26c..00000000000 --- a/libjava/gnu/java/awt/peer/gtk/GdkTextLayout.java +++ /dev/null @@ -1,434 +0,0 @@ -/* GdkTextLayout.java - Copyright (C) 2003, 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. */ - - -package gnu.java.awt.peer.gtk; - -import gnu.classpath.Configuration; -import gnu.java.awt.peer.ClasspathTextLayoutPeer; - -import java.awt.Font; -import java.awt.Graphics2D; -import java.awt.Shape; -import java.awt.font.FontRenderContext; -import java.awt.font.GlyphMetrics; -import java.awt.font.GlyphVector; -import java.awt.font.TextAttribute; -import java.awt.font.TextHitInfo; -import java.awt.font.TextLayout; -import java.awt.geom.AffineTransform; -import java.awt.geom.GeneralPath; -import java.awt.geom.Rectangle2D; -import java.text.AttributedCharacterIterator; -import java.text.AttributedString; -import java.text.CharacterIterator; - -/** - * This is an implementation of the text layout peer interface which - * delegates all the hard work to pango. - * - * @author Graydon Hoare - */ - -public class GdkTextLayout - implements ClasspathTextLayoutPeer -{ - // native side, plumbing, etc. - static - { - if (Configuration.INIT_LOAD_LIBRARY) - { - System.loadLibrary("gtkpeer"); - } - initStaticState (); - } - private native void setText(String str); - private native void getExtents(double[] inkExtents, - double[] logExtents); - private native void indexToPos(int idx, double[] pos); - private native void initState (); - private native void dispose (); - static native void initStaticState(); - private final int native_state = GtkGenericPeer.getUniqueInteger (); - protected void finalize () - { - dispose (); - } - - // we hold on to these to make sure we can render when presented - // with non-GdkGraphics2D paint targets - private AttributedString attributedString; - private FontRenderContext fontRenderContext; - - public GdkTextLayout(AttributedString str, FontRenderContext frc) - { - initState(); - attributedString = str; - fontRenderContext = frc; - } - - 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 side - - public void draw (Graphics2D g2, float x, float y) - { - if (g2 instanceof GdkGraphics2D) - { - // we share pango structures directly with GdkGraphics2D - // when legal - GdkGraphics2D gg2 = (GdkGraphics2D) g2; - gg2.drawGdkTextLayout(this, x, y); - } - else - { - // falling back to a rather tedious layout algorithm when - // not legal - 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 (); - } - } - } - } - - public TextHitInfo getStrongCaret (TextHitInfo hit1, - TextHitInfo hit2) - { - throw new Error("not implemented"); - } - - public byte getBaseline () - { - throw new Error("not implemented"); - } - - public boolean isLeftToRight () - { - throw new Error("not implemented"); - } - - public boolean isVertical () - { - throw new Error("not implemented"); - } - - public float getAdvance () - { - throw new Error("not implemented"); - } - - public float getAscent () - { - throw new Error("not implemented"); - } - - public float getDescent () - { - throw new Error("not implemented"); - } - - public float getLeading () - { - throw new Error("not implemented"); - } - - public int getCharacterCount () - { - throw new Error("not implemented"); - } - - public byte getCharacterLevel (int index) - { - throw new Error("not implemented"); - } - - public float[] getBaselineOffsets () - { - throw new Error("not implemented"); - } - - public Shape getBlackBoxBounds (int firstEndpoint, int secondEndpoint) - { - throw new Error("not implemented"); - } - - public Rectangle2D getBounds () - { - double[] inkExtents = new double[4]; - double[] logExtents = new double[4]; - getExtents(inkExtents, logExtents); - return new Rectangle2D.Double(logExtents[0], logExtents[1], - logExtents[2], logExtents[3]); - } - - public float[] getCaretInfo (TextHitInfo hit, Rectangle2D bounds) - { - throw new Error("not implemented"); - } - - public Shape getCaretShape (TextHitInfo hit, Rectangle2D bounds) - { - throw new Error("not implemented"); - } - - public Shape[] getCaretShapes (int offset, Rectangle2D bounds, - TextLayout.CaretPolicy policy) - { - throw new Error("not implemented"); - } - - public Shape getLogicalHighlightShape (int firstEndpoint, int secondEndpoint, - Rectangle2D bounds) - { - AffineTransform at = new AffineTransform(); - GeneralPath gp = new GeneralPath(); - double [] rect = new double[4]; - Rectangle2D tmp = new Rectangle2D.Double(); - for (int i = firstEndpoint; i <= secondEndpoint; ++i) - { - indexToPos(i, rect); - tmp.setRect(rect[0], rect[1], rect[2], rect[3]); - Rectangle2D.intersect(tmp, bounds, tmp); - gp.append(tmp.getPathIterator(at), false); - } - return gp; - } - - public int[] getLogicalRangesForVisualSelection (TextHitInfo firstEndpoint, - TextHitInfo secondEndpoint) - { - throw new Error("not implemented"); - } - - public TextHitInfo getNextLeftHit (int offset, TextLayout.CaretPolicy policy) - { - throw new Error("not implemented"); - } - public TextHitInfo getNextRightHit (int offset, TextLayout.CaretPolicy policy) - { - throw new Error("not implemented"); - } - public TextHitInfo hitTestChar (float x, float y, Rectangle2D bounds) - { - throw new Error("not implemented"); - } - public TextHitInfo getVisualOtherHit (TextHitInfo hit) - { - throw new Error("not implemented"); - } - - public float getVisibleAdvance () - { - throw new Error("not implemented"); - } - - public Shape getOutline (AffineTransform tx) - { - throw new Error("not implemented"); - } - - public Shape getVisualHighlightShape (TextHitInfo firstEndpoint, - TextHitInfo secondEndpoint, - Rectangle2D bounds) - { - throw new Error("not implemented"); - } - - - public TextLayout getJustifiedLayout (float justificationWidth) - { - throw new Error("not implemented"); - } - - public void handleJustify (float justificationWidth) - { - throw new Error("not implemented"); - } - - public Object clone () - { - throw new Error("not implemented"); - } - - public int hashCode () - { - throw new Error("not implemented"); - } - - public boolean equals (ClasspathTextLayoutPeer tl) - { - throw new Error("not implemented"); - } - - public String toString () - { - throw new Error("not implemented"); - } - -} |