Mercurial > projects > dwt2
diff org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/graphics/Point.d @ 0:6dd524f61e62
add dwt win and basic java stuff
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 02 Mar 2009 14:44:16 +0100 |
parents | |
children | 6bf2837c50fe |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/graphics/Point.d Mon Mar 02 14:44:16 2009 +0100 @@ -0,0 +1,114 @@ +/******************************************************************************* + * Copyright (c) 2000, 2008 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + * Port to the D programming language: + * Frank Benoit <benoit@tionex.de> + *******************************************************************************/ +module org.eclipse.swt.graphics.Point; + + +public import org.eclipse.swt.internal.SerializableCompatibility; + +import tango.text.convert.Format; +import java.lang.all; + +/** + * Instances of this class represent places on the (x, y) + * coordinate plane. + * <p> + * The coordinate space for rectangles and points is considered + * to have increasing values downward and to the right from its + * origin making this the normal, computer graphics oriented notion + * of (x, y) coordinates rather than the strict mathematical one. + * </p> + * <p> + * The hashCode() method in this class uses the values of the public + * fields to compute the hash value. When storing instances of the + * class in hashed collections, do not modify these fields after the + * object has been inserted. + * </p> + * <p> + * Application code does <em>not</em> need to explicitly release the + * resources managed by each instance when those instances are no longer + * required, and thus no <code>dispose()</code> method is provided. + * </p> + * + * @see Rectangle + * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> + */ + +public final class Point : SerializableCompatibility { + + /** + * the x coordinate of the point + */ + public int x; + + /** + * the y coordinate of the point + */ + public int y; + + //static final long serialVersionUID = 3257002163938146354L; + +/** + * Constructs a new point with the given x and y coordinates. + * + * @param x the x coordinate of the new point + * @param y the y coordinate of the new point + */ +public this (int x, int y) { + this.x = x; + this.y = y; +} + +/** + * Compares the argument to the receiver, and returns true + * if they represent the <em>same</em> object using a class + * specific comparison. + * + * @param object the object to compare with this object + * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise + * + * @see #hashCode() + */ +public override int opEquals (Object object) { + if (object is this) return true; + if ( auto p = cast(Point)object ){ + return (p.x is this.x) && (p.y is this.y); + } + return false; +} + +/** + * Returns an integer hash code for the receiver. Any two + * objects that return <code>true</code> when passed to + * <code>equals</code> must return the same value for this + * method. + * + * @return the receiver's hash + * + * @see #equals(Object) + */ +override public hash_t toHash () { + return x ^ y; +} + +/** + * Returns a string containing a concise, human-readable + * description of the receiver. + * + * @return a string representation of the point + */ +override public String toString () { + return Format( "Point {{{}, {}}", x, y );; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ +} + +} +