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Copy pathShape.java
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162 lines (149 loc) · 5.86 KB
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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.
*
* @since Android 1.0
*/
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, false
* otherwise.
*/
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, false
* otherwise.
*/
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, false
* otherwise.
*/
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, false
* otherwise.
*/
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, false otherwise.
*/
public boolean intersects(double x, double y, double w, double h);
/**
* Checks whether or not the interior of rectangle 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);
}