Initial Contribution

1 files changed, 162 insertions, 0 deletions

diff --git a/awt/java/awt/Shape.java b/awt/java/awt/Shape.java
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+/*
+ *  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.
+ */
+/**
+ * @author Alexey A. Petrenko
+ * @version $Revision$
+ */
+package java.awt;
+
+import java.awt.geom.AffineTransform;
+import java.awt.geom.PathIterator;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+
+/**
+ * The Shape interface defines a geometric shape defined by a boundary 
+ * (outline) path. The path outline can be accessed through a 
+ * PathIterator object. The Shape 
+ * interface provides methods for obtaining the bounding box (which is 
+ * the smallest rectangle containing the shape and for obtaining a PathIterator 
+ * object for current Shape, as well as utility methods which 
+ * determine if the Shape contains or intersects a Rectangle or contains a Point.
+ */
+public interface Shape {
+    
+    /**
+     * Checks whether or not the point with specified coordinates lies inside 
+     * the Shape.
+     * 
+     * @param x the X coordinate.
+     * @param y the Y coordinate.
+     * 
+     * @return true, if the specified coordinates lie inside the Shape,
+     * otherwise false.
+     */
+    public boolean contains(double x, double y);
+
+    /**
+     * Checks whether or not the rectangle with specified 
+     * [x, y, width, height] parameters lies inside the Shape.
+     * 
+     * @param x the X double coordinate of the rectangle's upper left 
+     * corner.
+     * @param y the Y double coordinate of the rectangle's upper left 
+     * corner.
+     * @param w the width of rectangle.
+     * @param h the height of rectangle.
+     * 
+     * @return true, if the specified rectangle lies inside the Shape,
+     * otherwise false.
+     */
+    public boolean contains(double x, double y, double w, double h);
+
+    /**
+     * Checks whether or not the specified Point2D lies inside the Shape.
+     * 
+     * @param point the Point2D object.
+     * 
+     * @return true, if the specified Point2D lies inside the Shape,
+     * otherwise false.
+     */
+    public boolean contains(Point2D point);
+
+    /**
+     * Checks whether or not the specified rectangle lies inside the Shape.
+     * 
+     * @param r the Rectangle2D object.
+     * 
+     * @return true, if the specified rectangle lies inside the Shape,
+     * otherwise false.
+     */
+    public boolean contains(Rectangle2D r);
+
+    /**
+     * Gets the bounding rectangle of the Shape. The bounding rectangle
+     * is the smallest rectangle which contains the Shape.
+     * 
+     * @return the bounding rectangle of the Shape.
+     */
+    public Rectangle getBounds();
+
+    /**
+     * Gets the Rectangle2D which represents Shape bounds.
+     * The bounding rectangle is the smallest rectangle which contains 
+     * the Shape.
+     * 
+     * @return the bounding rectangle of the Shape.
+     */
+    public Rectangle2D getBounds2D();
+
+    /**
+     * Gets the PathIterator object of the Shape which provides 
+     * access to the shape's boundary modified 
+     * by the specified AffineTransform.
+     * 
+     * @param at the specified AffineTransform object, or null.
+     * 
+     * @return PathIterator object for the Shape.
+     */
+    public PathIterator getPathIterator(AffineTransform at);
+
+    /**
+     * Gets the PathIterator object of the Shape which provides 
+     * access to the coordinates of the shapes boundary modified 
+     * by the specified AffineTransform. The flatness parameter
+     * defines the amount of subdivision of the curved segments and
+     * specifies the maximum distance which every point on the 
+     * unflattened transformed curve can deviate from the returned 
+     * flattened path segments.  
+     * 
+     * @param at the specified AffineTransform object, or null.
+     * @param flatness the maximum number of the control points for 
+     * a given curve which varies from colinear before a subdivided 
+     * curve is replaced by a straight line connecting the endpoints. 
+     * 
+     * @return PathIterator object for the Shape.
+     */
+    public PathIterator getPathIterator(AffineTransform at, double flatness);
+
+    /**
+     * Checks whether or not the interior of rectangular specified by 
+     * [x, y, width, height] parameters intersects the interior of
+     * the Shape.
+     * 
+     * @param x the X double coordinate of the rectangle's upper left
+     * corner.
+     * @param y the Y double coordinate of the rectangle's upper left 
+     * corner.
+     * @param w the width of rectangle.
+     * @param h the height of rectangle.
+     * 
+     * @return true, if the rectangle specified by 
+     * [x, y, width, height] parameters intersects the interior of
+     * the Shape, otherwise false.
+     * 
+     */
+    public boolean intersects(double x, double y, double w, double h);
+
+    /**
+     * Checks whether or not the interior of rectangl specified by 
+     * Rectangle2D object intersects the interior of the Shape.
+     * 
+     * @param r the Rectangle2D object.
+     * 
+     * @return true, if the Rectangle2D intersects the interior of
+     * the Shape, otherwise false.
+     */
+    public boolean intersects(Rectangle2D r);
+}