+++ /dev/null
-/* Copyright (C) 2000, 2002 Free Software Foundation
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-package java.awt.geom;
-
-/** This class implements a rectangle with rounded corners.
- * @author Tom Tromey <tromey@cygnus.com>
- * @date December 3, 2000
- */
-public abstract class RoundRectangle2D extends RectangularShape
-{
- /** Return the arc height of this round rectangle. */
- public abstract double getArcHeight ();
-
- /** Return the arc width of this round rectangle. */
- public abstract double getArcWidth ();
-
- /** Set the values of this round rectangle
- * @param x The x coordinate
- * @param y The y coordinate
- * @param w The width
- * @param h The height
- * @param arcWidth The arc width
- * @param arcHeight The arc height
- */
- public abstract void setRoundRect (double x, double y, double w, double h,
- double arcWidth, double arcHeight);
-
- /** Create a RoundRectangle2D. This is protected because this class
- * is abstract and cannot be instantiated.
- */
- protected RoundRectangle2D ()
- {
- }
-
- /** Return true if this object contains the specified point.
- * @param x The x coordinate
- * @param y The y coordinate
- */
- public boolean contains (double x, double y)
- {
- double mx = getX ();
- double mw = getWidth ();
- if (x < mx || x >= mx + mw)
- return false;
- double my = getY ();
- double mh = getHeight ();
- if (y < my || y >= my + mh)
- return false;
-
- // Now check to see if the point is in range of an arc.
- double dy = Math.min (Math.abs (my - y), Math.abs (my + mh - y));
- double dx = Math.min (Math.abs (mx - x), Math.abs (mx + mw - x));
- double aw = getArcWidth ();
- double ah = getArcHeight ();
- if (dx > aw || dy > ah)
- return true;
-
- // At this point DX represents the distance from the nearest edge
- // of the rectangle. But we want to transform it to represent the
- // scaled distance from the center of the ellipse that forms the
- // arc. Hence this code:
- dy = (ah - dy) / ah;
- dx = (aw - dx) / aw;
-
- return dx * dx + dy * dy <= 1.0;
- }
-
- /** Return true if this object contains the specified rectangle
- * @param x The x coordinate
- * @param y The y coordinate
- * @param w The width
- * @param h The height
- */
- public boolean contains (double x, double y, double w, double h)
- {
- // We have to check all four points here (for ordinary rectangles
- // we can just check opposing corners).
- return (contains (x, y) && contains (x + w, h)
- && contains (x, y + h) && contains (x + w, y + h));
- }
-
- /** Return a new path iterator which iterates over this rectangle.
- * @param at An affine transform to apply to the object
- */
- public PathIterator getPathIterator (AffineTransform at)
- {
- // FIXME.
- return null;
- }
-
- /** Return true if the given rectangle intersects this shape.
- * @param x The x coordinate
- * @param y The y coordinate
- * @param w The width
- * @param h The height
- */
- public boolean intersects (double x, double y, double w, double h)
- {
- // Here we can use the same code we use for an ordinary rectangle.
- double mx = getX ();
- double mw = getWidth ();
- if (x < mx || x >= mx + mw || x + w < mx || x + w >= mx + mw)
- return false;
- double my = getY ();
- double mh = getHeight ();
- return y >= my && y < my + mh && y + h >= my && y + h < my + mh;
- }
-
- /** Set the boundary of this round rectangle.
- * @param x The x coordinate
- * @param y The y coordinate
- * @param w The width
- * @param h The height
- */
- public void setFrame (double x, double y, double w, double h)
- {
- // This is a bit lame.
- setRoundRect (x, y, w, h, getArcWidth (), getArcHeight ());
- }
-
- /** Set the values of this round rectangle to be the same as those
- * of the argument.
- * @param rr The round rectangle to copy
- */
- public void setRoundRect (RoundRectangle2D rr)
- {
- setRoundRect (rr.getX (), rr.getY (), rr.getWidth (), rr.getHeight (),
- rr.getArcWidth (), rr.getArcHeight ());
- }
-
- /** A subclass of RoundRectangle which keeps its parameters as
- * floats. */
- public static class Float extends RoundRectangle2D
- {
- /** The height of the corner arc. */
- public float archeight;
-
- /** The width of the corner arc. */
- public float arcwidth;
-
- /** The x coordinate of this object. */
- public float x;
-
- /** The y coordinate of this object. */
- public float y;
-
- /** The width of this object. */
- public float width;
-
- /** The height of this object. */
- public float height;
-
- /** Construct a new instance, with all parameters set to 0. */
- public Float ()
- {
- this (0, 0, 0, 0, 0, 0);
- }
-
- /** Construct a new instance with the given arguments.
- * @param x The x coordinate
- * @param y The y coordinate
- * @param w The width
- * @param h The height
- * @param arcWidth The arc width
- * @param arcHeight The arc height
- */
- public Float (float x, float y, float w, float h,
- float arcWidth, float arcHeight)
- {
- this.x = x;
- this.y = y;
- this.width = w;
- this.height = h;
- this.arcwidth = arcWidth;
- this.archeight = arcHeight;
- }
-
- public double getArcHeight ()
- {
- return archeight;
- }
-
- public double getArcWidth ()
- {
- return arcwidth;
- }
-
- public Rectangle2D getBounds2D ()
- {
- return new Rectangle2D.Float (x, y, width, height);
- }
-
- public double getX ()
- {
- return x;
- }
-
- public double getY ()
- {
- return y;
- }
-
- public double getWidth ()
- {
- return width;
- }
-
- public double getHeight ()
- {
- return height;
- }
-
- public boolean isEmpty ()
- {
- return width <= 0 || height <= 0;
- }
-
- public void setRoundRect (float x, float y, float w, float h,
- float arcWidth, float arcHeight)
- {
- this.x = x;
- this.y = y;
- this.width = w;
- this.height = h;
- this.arcwidth = arcWidth;
- this.archeight = arcHeight;
- }
-
- public void setRoundRect (double x, double y, double w, double h,
- double arcWidth, double arcHeight)
- {
- this.x = (float) x;
- this.y = (float) y;
- this.width = (float) w;
- this.height = (float) h;
- this.arcwidth = (float) arcWidth;
- this.archeight = (float) arcHeight;
- }
- }
-
- /** A subclass of RoundRectangle which keeps its parameters as
- * doubles. */
- public static class Double extends RoundRectangle2D
- {
- /** The height of the corner arc. */
- public double archeight;
-
- /** The width of the corner arc. */
- public double arcwidth;
-
- /** The x coordinate of this object. */
- public double x;
-
- /** The y coordinate of this object. */
- public double y;
-
- /** The width of this object. */
- public double width;
-
- /** The height of this object. */
- public double height;
-
- /** Construct a new instance, with all parameters set to 0. */
- public Double ()
- {
- this (0, 0, 0, 0, 0, 0);
- }
-
- /** Construct a new instance with the given arguments.
- * @param x The x coordinate
- * @param y The y coordinate
- * @param w The width
- * @param h The height
- * @param arcWidth The arc width
- * @param arcHeight The arc height
- */
- public Double (double x, double y, double w, double h,
- double arcWidth, double arcHeight)
- {
- this.x = x;
- this.y = y;
- this.width = w;
- this.height = h;
- this.arcwidth = arcWidth;
- this.archeight = arcHeight;
- }
-
- public double getArcHeight ()
- {
- return archeight;
- }
-
- public double getArcWidth ()
- {
- return arcwidth;
- }
-
- public Rectangle2D getBounds2D ()
- {
- return new Rectangle2D.Double (x, y, width, height);
- }
-
- public double getX ()
- {
- return x;
- }
-
- public double getY ()
- {
- return y;
- }
-
- public double getWidth ()
- {
- return width;
- }
-
- public double getHeight ()
- {
- return height;
- }
-
- public boolean isEmpty ()
- {
- return width <= 0 || height <= 0;
- }
-
- public void setRoundRect (double x, double y, double w, double h,
- double arcWidth, double arcHeight)
- {
- this.x = x;
- this.y = y;
- this.width = w;
- this.height = h;
- this.arcwidth = arcWidth;
- this.archeight = arcHeight;
- }
- }
-}
projects / msp430-gcc.git / blobdiff