| /* FontRenderContext.java |
| Copyright (C) 2002, 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.geom.AffineTransform; |
| |
| /** |
| * @author Michael Koch |
| */ |
| public class FontRenderContext |
| { |
| private AffineTransform affineTransform; |
| private boolean isAntiAliased; |
| private boolean usesFractionalMetrics; |
| |
| /** |
| * Construct a new <code>FontRenderContext</code>. |
| */ |
| protected FontRenderContext() |
| { |
| // Do nothing here. |
| } |
| |
| /** |
| * Construct a new <code>FontRenderContext</code>. |
| */ |
| public FontRenderContext (AffineTransform tx, boolean isAntiAliased, |
| boolean usesFractionalMetrics) |
| { |
| if (tx != null |
| && !tx.isIdentity ()) |
| { |
| this.affineTransform = new AffineTransform (tx); |
| } |
| |
| this.isAntiAliased = isAntiAliased; |
| this.usesFractionalMetrics = usesFractionalMetrics; |
| } |
| |
| public boolean equals (Object obj) |
| { |
| if (! (obj instanceof FontRenderContext)) |
| return false; |
| |
| return equals ((FontRenderContext) obj); |
| } |
| |
| public boolean equals (FontRenderContext rhs) |
| { |
| if (rhs == null) |
| return false; |
| |
| if (affineTransform == null && rhs.affineTransform != null |
| || affineTransform != null && rhs.affineTransform == null) |
| return false; |
| |
| return ((affineTransform == rhs.affineTransform |
| || affineTransform.equals (rhs.getTransform ())) |
| && isAntiAliased == rhs.isAntiAliased () |
| && usesFractionalMetrics == rhs.usesFractionalMetrics ()); |
| } |
| |
| |
| /** |
| * Retrieves the affine transform for scaling typographical points |
| * to raster pixels. |
| * |
| * @return a clone of the transform object. |
| */ |
| public AffineTransform getTransform () |
| { |
| if (affineTransform == null) |
| return new AffineTransform (); |
| else |
| return new AffineTransform (affineTransform); |
| } |
| |
| |
| /** |
| * Returns the hash code of the font render context. |
| */ |
| public int hashCode () |
| { |
| // FIXME: check what SUN does here. |
| return affineTransform == null ? 0 : affineTransform.hashCode (); |
| } |
| |
| public boolean isAntiAliased () |
| { |
| return isAntiAliased; |
| } |
| |
| public boolean usesFractionalMetrics () |
| { |
| return usesFractionalMetrics; |
| } |
| } |
| |