summaryrefslogtreecommitdiff
path: root/libjava/classpath/java/awt/Point.java
diff options
context:
space:
mode:
authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/awt/Point.java
downloadcbb-gcc-4.6.4-554fd8c5195424bdbcabf5de30fdc183aba391bd.tar.bz2
cbb-gcc-4.6.4-554fd8c5195424bdbcabf5de30fdc183aba391bd.tar.xz
obtained gcc-4.6.4.tar.bz2 from upstream website;upstream
verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository.
Diffstat (limited to 'libjava/classpath/java/awt/Point.java')
-rw-r--r--libjava/classpath/java/awt/Point.java250
1 files changed, 250 insertions, 0 deletions
diff --git a/libjava/classpath/java/awt/Point.java b/libjava/classpath/java/awt/Point.java
new file mode 100644
index 000000000..871202491
--- /dev/null
+++ b/libjava/classpath/java/awt/Point.java
@@ -0,0 +1,250 @@
+/* Point.java -- represents a point in 2-D space
+ Copyright (C) 1999, 2002, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 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;
+
+import java.awt.geom.Point2D;
+import java.io.Serializable;
+
+/**
+ * This class represents a point on the screen using cartesian coordinates.
+ * Remember that in screen coordinates, increasing x values go from left to
+ * right, and increasing y values go from top to bottom.
+ *
+ * <p>There are some public fields; if you mess with them in an inconsistent
+ * manner, it is your own fault when you get invalid results. Also, this
+ * class is not threadsafe.
+ *
+ * @author Per Bothner (bothner@cygnus.com)
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ * @author Eric Blake (ebb9@email.byu.edu)
+ * @since 1.0
+ * @status updated to 1.4
+ */
+public class Point extends Point2D implements Serializable
+{
+ /**
+ * Compatible with JDK 1.0+.
+ */
+ private static final long serialVersionUID = -5276940640259749850L;
+
+ /**
+ * The x coordinate.
+ *
+ * @see #getLocation()
+ * @see #move(int, int)
+ * @serial the X coordinate of the point
+ */
+ public int x;
+
+ /**
+ * The y coordinate.
+ *
+ * @see #getLocation()
+ * @see #move(int, int)
+ * @serial The Y coordinate of the point
+ */
+ public int y;
+
+ /**
+ * Initializes a new instance of <code>Point</code> representing the
+ * coordinates (0, 0).
+ *
+ * @since 1.1
+ */
+ public Point()
+ {
+ }
+
+ /**
+ * Initializes a new instance of <code>Point</code> with coordinates
+ * identical to the coordinates of the specified point.
+ *
+ * @param p the point to copy the coordinates from
+ * @throws NullPointerException if p is null
+ */
+ public Point(Point p)
+ {
+ x = p.x;
+ y = p.y;
+ }
+
+ /**
+ * Initializes a new instance of <code>Point</code> with the specified
+ * coordinates.
+ *
+ * @param x the X coordinate
+ * @param y the Y coordinate
+ */
+ public Point(int x, int y)
+ {
+ this.x = x;
+ this.y = y;
+ }
+
+ /**
+ * Get the x coordinate.
+ *
+ * @return the value of x, as a double
+ */
+ public double getX()
+ {
+ return x;
+ }
+
+ /**
+ * Get the y coordinate.
+ *
+ * @return the value of y, as a double
+ */
+ public double getY()
+ {
+ return y;
+ }
+
+ /**
+ * Returns the location of this point. A pretty useless method, as this
+ * is already a point.
+ *
+ * @return a copy of this point
+ * @see #setLocation(Point)
+ * @since 1.1
+ */
+ public Point getLocation()
+ {
+ return new Point(x, y);
+ }
+
+ /**
+ * Sets this object's coordinates to match those of the specified point.
+ *
+ * @param p the point to copy the coordinates from
+ * @throws NullPointerException if p is null
+ * @since 1.1
+ */
+ public void setLocation(Point p)
+ {
+ x = p.x;
+ y = p.y;
+ }
+
+ /**
+ * Sets this object's coordinates to the specified values. This method
+ * is identical to the <code>move()</code> method.
+ *
+ * @param x the new X coordinate
+ * @param y the new Y coordinate
+ */
+ public void setLocation(int x, int y)
+ {
+ this.x = x;
+ this.y = y;
+ }
+
+ /**
+ * Sets this object's coordinates to the specified values. This method
+ * rounds to the nearest integer coordinates by adding 0.5 and calling
+ * {@link Math#floor(double)}.
+ *
+ * @param x the new X coordinate
+ * @param y the new Y coordinate
+ */
+ public void setLocation(double x, double y)
+ {
+ this.x = (int) Math.floor(x + 0.5);
+ this.y = (int) Math.floor(y + 0.5);
+ }
+
+ /**
+ * Sets this object's coordinates to the specified values. This method
+ * is identical to the <code>setLocation(int, int)</code> method.
+ *
+ * @param x the new X coordinate
+ * @param y the new Y coordinate
+ */
+ public void move(int x, int y)
+ {
+ this.x = x;
+ this.y = y;
+ }
+
+ /**
+ * Changes the coordinates of this point such that the specified
+ * <code>dx</code> parameter is added to the existing X coordinate and
+ * <code>dy</code> is added to the existing Y coordinate.
+ *
+ * @param dx the amount to add to the X coordinate
+ * @param dy the amount to add to the Y coordinate
+ */
+ public void translate(int dx, int dy)
+ {
+ x += dx;
+ y += dy;
+ }
+
+ /**
+ * Tests whether or not this object is equal to the specified object.
+ * This will be true if and only if the specified object is an instance
+ * of Point2D and has the same X and Y coordinates.
+ *
+ * @param obj the object to test against for equality
+ * @return true if the specified object is equal
+ */
+ public boolean equals(Object obj)
+ {
+ // NOTE: No special hashCode() method is required for this class,
+ // as this equals() implementation is functionally equivalent to
+ // super.equals(), which does define a proper hashCode().
+
+ if (! (obj instanceof Point2D))
+ return false;
+ Point2D p = (Point2D) obj;
+ return x == p.getX() && y == p.getY();
+ }
+
+ /**
+ * Returns a string representation of this object. The format is:
+ * <code>getClass().getName() + "[x=" + x + ",y=" + y + ']'</code>.
+ *
+ * @return a string representation of this object
+ */
+ public String toString()
+ {
+ return getClass().getName() + "[x=" + x + ",y=" + y + ']';
+ }
+} // class Point