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>
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_;
+}
+
+}