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+/* GraphicAttribute.java
+ Copyright (C) 2003 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 java.awt.Graphics2D;
+import java.awt.geom.Rectangle2D;
+
+/**
+ * This class represents a graphic embedded in text.
+ *
+ * @author Michael Koch
+ * @author Lillian Angel (langel at redhat dot com)
+ */
+public abstract class GraphicAttribute
+{
+ public static final int BOTTOM_ALIGNMENT = - 2;
+ public static final int CENTER_BASELINE = 1;
+ public static final int HANGING_BASELINE = 2;
+ public static final int ROMAN_BASELINE = 0;
+ public static final int TOP_ALIGNMENT = - 1;
+
+ private int alignment;
+
+ /**
+ * Constructor.
+ *
+ * @param alignment - the alignment to use for the graphic
+ */
+ protected GraphicAttribute(int alignment)
+ {
+ if (alignment < BOTTOM_ALIGNMENT || alignment > HANGING_BASELINE)
+ throw new IllegalArgumentException("Invalid alignment");
+ this.alignment = alignment;
+ }
+
+ /**
+ * Draws the graphic.
+ *
+ * @param graphics - the graphics configuration to use
+ * @param x - the x location
+ * @param y - the y location
+ */
+ public abstract void draw(Graphics2D graphics, float x, float y);
+
+ /**
+ * Gets the distance from the origin of its graphic to the right side of the
+ * bounds of its graphic.
+ *
+ * @return the advance
+ */
+ public abstract float getAdvance();
+
+ /**
+ * Gets the positive distance from the origin of its graphic to the top of
+ * bounds.
+ *
+ * @return the ascent
+ */
+ public abstract float getAscent();
+
+ /**
+ * Gets the distance from the origin of its graphic to the bottom of the bounds.
+ *
+ * @return the descent
+ */
+ public abstract float getDescent();
+
+ /**
+ * Gets the alignment.
+ *
+ * @return the alignment
+ */
+ public final int getAlignment()
+ {
+ return alignment;
+ }
+
+ /**
+ * Returns a Rectangle2D that encloses the rendered area.
+ * Default bounds is the rectangle (0, -ascent, advance, ascent+descent).
+ *
+ * @return the bounds of the rendered area
+ */
+ public Rectangle2D getBounds()
+ {
+ float asc = getAscent();
+ return new Rectangle2D.Float(0, - asc, getAdvance(), asc + getDescent());
+ }
+
+ /**
+ * Returns the justification information for this object.
+ *
+ * @return the justification information
+ */
+ public GlyphJustificationInfo getJustificationInfo()
+ {
+ float adv = getAdvance();
+ return new GlyphJustificationInfo(adv, false, 2, adv / 3, adv / 3, false,
+ 1, 0, 0);
+ }
+}