mirror of git://gcc.gnu.org/git/gcc.git
105 lines
3.7 KiB
Java
105 lines
3.7 KiB
Java
/* RasterOp.java --
|
|
Copyright (C) 2000, 2002, 2004, 2005, 2006, Free Software Foundation
|
|
|
|
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.image;
|
|
|
|
import java.awt.RenderingHints;
|
|
import java.awt.geom.Point2D;
|
|
import java.awt.geom.Rectangle2D;
|
|
|
|
/**
|
|
* An operation that is performed on one raster (the source) producing a new
|
|
* raster (the destination).
|
|
*/
|
|
public interface RasterOp
|
|
{
|
|
/**
|
|
* Performs an operation on the source raster, returning the result in a
|
|
* writable raster. If <code>dest</code> is <code>null</code>, a new
|
|
* <code>WritableRaster</code> will be created by calling the
|
|
* {@link #createCompatibleDestRaster(Raster)} method. If <code>dest</code>
|
|
* is not <code>null</code>, the result is written to <code>dest</code> then
|
|
* returned (this avoids creating a new <code>WritableRaster</code> each
|
|
* time this method is called).
|
|
*
|
|
* @param src the source raster.
|
|
* @param dest the destination raster (<code>null</code> permitted).
|
|
*
|
|
* @return The filtered raster.
|
|
*/
|
|
WritableRaster filter(Raster src, WritableRaster dest);
|
|
|
|
/**
|
|
* Returns the bounds of the destination raster on the basis of this
|
|
* <code>RasterOp</code> being applied to the specified source raster.
|
|
*
|
|
* @param src the source raster.
|
|
*
|
|
* @return The destination bounds.
|
|
*/
|
|
Rectangle2D getBounds2D(Raster src);
|
|
|
|
/**
|
|
* Returns a raster that can be used by this <code>RasterOp</code> as the
|
|
* destination raster when operating on the specified source raster.
|
|
*
|
|
* @param src the source raster.
|
|
*
|
|
* @return A new writable raster that can be used as the destination raster.
|
|
*/
|
|
WritableRaster createCompatibleDestRaster(Raster src);
|
|
|
|
/**
|
|
* Returns the point on the destination raster that corresponds to the given
|
|
* point on the source raster.
|
|
*
|
|
* @param srcPoint the source point.
|
|
* @param destPoint the destination point (<code>null</code> permitted).
|
|
*
|
|
* @return The destination point.
|
|
*/
|
|
Point2D getPoint2D(Point2D srcPoint, Point2D destPoint);
|
|
|
|
/**
|
|
* Returns the rendering hints for this operation.
|
|
*
|
|
* @return The rendering hints.
|
|
*/
|
|
RenderingHints getRenderingHints();
|
|
}
|