80 lines
3.3 KiB
Java
80 lines
3.3 KiB
Java
/* Paint.java -- generate colors for Graphics2D operations
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Copyright (C) 2000, 2002 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Rectangle2D;
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import java.awt.image.ColorModel;
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/**
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* Defines how color patterns are generated for Graphics2D operations. This
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* is used to perform the <code>draw</code> and <code>fill</code> methods
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* of the graphics object. Instances must be immutable, because the graphics
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* object does not clone them.
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*
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* @author Warren Levy (warrenl@cygnus.com)
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* @see PaintContext
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* @see Color
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* @see GradientPaint
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* @see TexturePaint
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* @see Graphics2D#setPaint(Paint)
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* @since 1.1
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* @status updated to 1.4
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*/
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public interface Paint extends Transparency
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{
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/**
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* Create the context necessary for performing the color pattern generation.
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* The color model is a hint, and may be null for Classpath implementations;
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* however some legacy code may throw a NullPointerException when passed a
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* null. Leaving the color model null provides the most efficiency and leeway
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* in the generation of the color pattern.
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*
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* @param cm the color model, used as a hint
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* @param deviceBounds the device space bounding box of the painted area
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* @param userBounds the user space bounding box of the painted area
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* @param xform the transformation from user space to device space
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* @param hints any hints for choosing between rendering alternatives
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* @return the context for performing the paint
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*/
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PaintContext createContext(ColorModel cm, Rectangle deviceBounds,
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Rectangle2D userBounds, AffineTransform xform,
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RenderingHints hints);
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} // interface Paint
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