/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.code.appengine.awt;
import org.apache.harmony.awt.internal.nls.Messages;
import com.google.code.appengine.awt.Color;
import com.google.code.appengine.awt.GradientPaintContext;
import com.google.code.appengine.awt.Paint;
import com.google.code.appengine.awt.PaintContext;
import com.google.code.appengine.awt.Rectangle;
import com.google.code.appengine.awt.RenderingHints;
import com.google.code.appengine.awt.geom.AffineTransform;
import com.google.code.appengine.awt.geom.Point2D;
import com.google.code.appengine.awt.geom.Rectangle2D;
import com.google.code.appengine.awt.image.ColorModel;
public class GradientPaint implements Paint {
/**
* The start point color
*/
Color color1;
/**
* The end color point
*/
Color color2;
/**
* The location of the start point
*/
Point2D point1;
/**
* The location of the end point
*/
Point2D point2;
/**
* The indicator of cycle filling. If TRUE filling repeated outside points
* stripe, if FALSE solid color filling outside.
*/
boolean cyclic;
public GradientPaint(Point2D point1, Color color1, Point2D point2,
Color color2, boolean cyclic) {
if (point1 == null || point2 == null) {
// awt.6D=Point is null
throw new NullPointerException(Messages.getString("awt.6D")); //$NON-NLS-1$
}
if (color1 == null || color2 == null) {
// awt.6E=Color is null
throw new NullPointerException(Messages.getString("awt.6E")); //$NON-NLS-1$
}
this.point1 = point1;
this.point2 = point2;
this.color1 = color1;
this.color2 = color2;
this.cyclic = cyclic;
}
public GradientPaint(float x1, float y1, Color color1, float x2, float y2, Color color2,
boolean cyclic) {
this(new Point2D.Float(x1, y1), color1, new Point2D.Float(x2, y2), color2, cyclic);
}
public GradientPaint(float x1, float y1, Color color1, float x2, float y2, Color color2) {
this(x1, y1, color1, x2, y2, color2, false);
}
public GradientPaint(Point2D point1, Color color1, Point2D point2, Color color2) {
this(point1, color1, point2, color2, false);
}
public PaintContext createContext(ColorModel cm, Rectangle deviceBounds,
Rectangle2D userBounds, AffineTransform t, RenderingHints hints) {
return new GradientPaintContext(cm, t, point1, color1, point2, color2, cyclic);
}
public Color getColor1() {
return color1;
}
public Color getColor2() {
return color2;
}
public Point2D getPoint1() {
return point1;
}
public Point2D getPoint2() {
return point2;
}
public int getTransparency() {
int a1 = color1.getAlpha();
int a2 = color2.getAlpha();
return (a1 == 0xFF && a2 == 0xFF) ? OPAQUE : TRANSLUCENT;
}
public boolean isCyclic() {
return cyclic;
}
}