Mercurial > projects > dwt2
diff org.eclipse.draw2d/src/org/eclipse/draw2d/geometry/PrecisionPoint.d @ 12:bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 14 Mar 2009 18:23:29 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org.eclipse.draw2d/src/org/eclipse/draw2d/geometry/PrecisionPoint.d Sat Mar 14 18:23:29 2009 +0100 @@ -0,0 +1,126 @@ +/******************************************************************************* + * 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.draw2d.geometry.PrecisionPoint; + +import java.lang.all; +import org.eclipse.draw2d.geometry.Point; + +/** + * @author danlee + */ +public class PrecisionPoint : Point { + +/** Double value for X **/ +public double preciseX_; + +/** Double value for Y **/ +public double preciseY_; + +/** + * Constructor for PrecisionPoint. + */ +public this() { + super(); +} + +/** + * Constructor for PrecisionPoint. + * @param copy Point from which the initial values are taken + */ +public this(Point copy) { + preciseX_ = copy.preciseX(); + preciseY_ = copy.preciseY(); + updateInts(); +} + +/** + * Constructor for PrecisionPoint. + * @param x X value + * @param y Y value + */ +public this(int x, int y) { + super(x, y); + preciseX_ = x; + preciseY_ = y; +} + +/** + * Constructor for PrecisionPoint. + * @param x X value + * @param y Y value + */ +public this(double x, double y) { + preciseX_ = x; + preciseY_ = y; + updateInts(); +} + +/** + * @see org.eclipse.draw2d.geometry.Point#getCopy() + */ +public Point getCopy() { + return new PrecisionPoint(preciseX_, preciseY_); +} + + +/** + * @see org.eclipse.draw2d.geometry.Point#performScale(double) + */ +public void performScale(double factor) { + preciseX_ = preciseX_ * factor; + preciseY_ = preciseY_ * factor; + updateInts(); +} + +/** + * @see org.eclipse.draw2d.geometry.Point#performTranslate(int, int) + */ +public void performTranslate(int dx, int dy) { + preciseX_ += dx; + preciseY_ += dy; + updateInts(); +} + +/** + * @see org.eclipse.draw2d.geometry.Point#setLocation(Point) + */ +public Point setLocation(Point pt) { + preciseX_ = pt.preciseX(); + preciseY_ = pt.preciseY(); + updateInts(); + return this; +} + +/** + * Updates the integer fields using the precise versions. + */ +public final void updateInts() { + x = cast(int)Math.floor(preciseX_ + 0.000000001); + y = cast(int)Math.floor(preciseY_ + 0.000000001); +} + +/** + * @see org.eclipse.draw2d.geometry.Point#preciseX() + */ +public double preciseX() { + return preciseX_; +} + +/** + * @see org.eclipse.draw2d.geometry.Point#preciseY() + */ +public double preciseY() { + return preciseY_; +} + +}