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 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package javafx.geometry;

/**
 * The base class for objects that are used to describe the bounds of a node or
 * other scene graph object. One interesting characteristic of a Bounds object
 * is that it may have a negative width, height, or depth. A negative value
 * for any of these indicates that the Bounds are "empty".
 *
 * @since JavaFX 2.0
 */
public abstract class Bounds {
    /**
     * The x coordinate of the upper-left corner of this {@code Bounds}.
     *
     * @defaultValue 0.0
     */
    public final double getMinX() { return minX; }
    private double minX;

    /**
     * The y coordinate of the upper-left corner of this {@code Bounds}.
     *
     * @defaultValue 0.0
     */
    public final double getMinY() { return minY; }
    private double minY;
    /**
     * The minimum z coordinate of this {@code Bounds}.
     *
     * @defaultValue 0.0
     */
    public final double getMinZ() { return minZ; }
    private double minZ;
    /**
     * The width of this {@code Bounds}.
     *
     * @defaultValue 0.0
     */
    public final double getWidth() { return width; }
    private double width;
    /**
     * The height of this {@code Bounds}.
     *
     * @defaultValue 0.0
     */
    public final double getHeight() { return height; }
    private double height;
    /**
     * The depth of this {@code Bounds}.
     *
     * @defaultValue 0.0
     */
    public final double getDepth() { return depth; }
    private double depth;
    /**
     * The x coordinate of the lower-right corner of this {@code Bounds}.
     *
     * @defaultValue {@code minX + width}
     */
    public final double getMaxX() { return maxX; }
    private double maxX;
    /**
     * The y coordinate of the lower-right corner of this {@code Bounds}.
     *
     * @defaultValue {@code minY + height}
     */
    public final double getMaxY() { return maxY; }
    private double maxY;
    /**
     * The maximum z coordinate of this {@code Bounds}.
     *
     * @defaultValue {@code minZ + depth}
     */
    public final double getMaxZ() { return maxZ; }
    private double maxZ;

    /**
     * Indicates whether any of the dimensions(width, height or depth) of this bounds
     * is less than zero.
     * @return true if any of the dimensions(width, height or depth) of this bounds
     * is less than zero.
     */
    public abstract boolean isEmpty();

    /**
     * Tests if the specified point is inside the boundary of {@code Bounds}.
     *
     * @param p the specified point to be tested
     * @return true if the specified point is inside the boundary of this
     * {@code Bounds}; false otherwise.
     */
    public abstract boolean contains(Point2D p);

    /**
     * Tests if the specified point is inside the boundary of {@code Bounds}.
     *
     * @param p the specified 3D point to be tested
     * @return true if the specified point is inside the boundary of this
     * {@code Bounds}; false otherwise.
     */
    public abstract boolean contains(Point3D p);

    /**
     * Tests if the specified {@code (x, y)} coordinates are inside the boundary
     * of {@code Bounds}.
     *
     * @param x the specified x coordinate to be tested
     * @param y the specified y coordinate to be tested
     * @return true if the specified {@code (x, y)} coordinates are inside the
     * boundary of this {@code Bounds}; false otherwise.
     */
    public abstract boolean contains(double x, double y);

    /**
     * Tests if the specified {@code (x, y, z)} coordinates are inside the boundary
     * of {@code Bounds}.
     *
     * @param x the specified x coordinate to be tested
     * @param y the specified y coordinate to be tested
     * @return true if the specified {@code (x, y)} coordinates are inside the
     * boundary of this {@code Bounds}; false otherwise.
     */
    public abstract boolean contains(double x, double y, double z);

    /**
     * Tests if the interior of this {@code Bounds} entirely contains the
     * specified Bounds, {@code b}.
     *
     * @param b The specified Bounds
     * @return true if the specified Bounds, {@code b}, is inside the
     * boundary of this {@code Bounds}; false otherwise.
     */
    public abstract boolean contains(Bounds b);

    /**
     * Tests if the interior of this {@code Bounds} entirely contains the
     * specified rectangular area.
     *
     * @param x the x coordinate of the upper-left corner of the specified
     * rectangular area
     * @param y the y coordinate of the upper-left corner of the specified
     * rectangular area
     * @param w the width of the specified rectangular area
     * @param h the height of the specified rectangular area
     * @return true if the interior of this {@code Bounds} entirely contains
     * the specified rectangular area; false otherwise.
     */
    public abstract boolean contains(double x, double y, double w, double h);

    /**
     * Tests if the interior of this {@code Bounds} entirely contains the
     * specified rectangular area.
     *
     * @param x the x coordinate of the upper-left corner of the specified
     * rectangular volume
     * @param y the y coordinate of the upper-left corner of the specified
     * rectangular volume
     * @param z the z coordinate of the upper-left corner of the specified
     * rectangular volume
     * @param w the width of the specified rectangular volume
     * @param h the height of the specified rectangular volume
     * @param d the depth of the specified rectangular volume
     * @return true if the interior of this {@code Bounds} entirely contains
     * the specified rectangular area; false otherwise.
     */
    public abstract boolean contains(double x, double y, double z,
            double w, double h, double d);

    /**
     * Tests if the interior of this {@code Bounds} intersects the interior
     * of a specified Bounds, {@code b}.
     *
     * @param b The specified Bounds
     * @return true if the interior of this {@code Bounds} and the interior
     * of the specified Bounds, {@code b}, intersect.
     */
    public abstract boolean intersects(Bounds b);

    /**
     * Tests if the interior of this {@code Bounds} intersects the interior
     * of a specified rectangular area.
     *
     * @param x the x coordinate of the upper-left corner of the specified
     * rectangular area
     * @param y the y coordinate of the upper-left corner of the specified
     * rectangular area
     * @param w the width of the specified rectangular area
     * @param h the height of the specified rectangular area
     * @return true if the interior of this {@code Bounds} and the interior
     * of the rectangular area intersect.
     */
    public abstract boolean intersects(double x, double y, double w, double h);

    /**
     * Tests if the interior of this {@code Bounds} intersects the interior
     * of a specified rectangular area.
     *
     * @param x the x coordinate of the upper-left corner of the specified
     * rectangular volume
     * @param y the y coordinate of the upper-left corner of the specified
     * rectangular volume
     * @param z the z coordinate of the upper-left corner of the specified
     * rectangular volume
     * @param w the width of the specified rectangular volume
     * @param h the height of the specified rectangular volume
     * @param d the depth of the specified rectangular volume
     * @return true if the interior of this {@code Bounds} and the interior
     * of the rectangular area intersect.
     */
    public abstract boolean intersects(double x, double y, double z,
            double w, double h, double d);

    /**
     * Creates a new instance of {@code Bounds} class.
     * @param minX the X coordinate of the upper-left corner
     * @param minY the Y coordinate of the upper-left corner
     * @param minZ the minimum z coordinate of the {@code Bounds}
     * @param width the width of the {@code Bounds}
     * @param height the height of the {@code Bounds}
     * @param depth the depth of the {@code Bounds}
     */
    protected Bounds(double minX, double minY, double minZ, double width, double height, double depth) {
        this.minX = minX;
        this.minY = minY;
        this.minZ = minZ;
        this.width = width;
        this.height = height;
        this.depth = depth;
        this.maxX = minX + width;
        this.maxY = minY + height;
        this.maxZ = minZ + depth;
    }
}