mirror of git://gcc.gnu.org/git/gcc.git
127 lines
3.6 KiB
Java
127 lines
3.6 KiB
Java
/* 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)
|
|
{
|
|
return (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;
|
|
}
|
|
}
|
|
|