diff org.eclipse.draw2d/src/org/eclipse/draw2d/geometry/Insets.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
parents
children 6f068362a363
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.draw2d/src/org/eclipse/draw2d/geometry/Insets.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,190 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 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.Insets;
+
+import java.lang.all;
+import tango.text.convert.Format;
+
+/**
+ * Stores four integers for top, left, bottom, and right measurements.
+ */
+public class Insets
+    : Cloneable/+, java.io.Serializable+/
+{
+
+/** distance from left  */
+public int left;
+/** distance from top*/
+public int top;
+/** distance from bottom*/
+public int bottom;
+/** distance from right */
+public int right;
+
+static final long serialVersionUID = 1;
+
+/**
+ * Constructs an Insets with all zeroes.
+ * @since 2.0
+ */
+public this() { }
+
+/**
+ * Constructs a new Insets with initial values the same as the provided Insets.
+ * @param i  The insets to copy.
+ * @since 2.0
+ */
+public this(Insets i) {
+    this(i.top, i.left, i.bottom, i.right);
+}
+
+/**
+ * Constructs a new Insets with all the sides set to the speicifed value.
+ * @param i  Value applied to all sides of new Insets.
+ * @since 2.0
+ */
+public this(int i) {
+    this(i, i, i, i);
+}
+
+/**
+ * Creates a new Insets with the specified top, left, bottom, and right values.
+ * @param top  Value of the top space.
+ * @param left  Value of the left space.
+ * @param bottom  Value of the bottom space.
+ * @param right  Value of the right space.
+ * @since 2.0
+ */
+public this(int top, int left, int bottom, int right) {
+    this.top = top;
+    this.left = left;
+    this.bottom = bottom;
+    this.right = right;
+}
+
+/**
+ * Adds the values of the specified Insets to this Insets' values.
+ * @return <code>this</code> for convenience
+ * @param insets the Insets being added
+ * @since 2.0
+ */
+public Insets add(Insets insets) {
+    top    += insets.top;
+    bottom += insets.bottom;
+    left   += insets.left;
+    right  += insets.right;
+    return this;
+}
+
+/**
+ * Test for equality.
+ * The Insets are equal if their top, left, bottom, and
+ * right values are equivalent.
+ *
+ * @param o  Object being tested for equality.
+ * @return  true if all values are the same.
+ * @since 2.0
+ */
+public override int opEquals(Object o) {
+    if (auto i = cast(Insets)o ) {
+        return i.top is top
+            && i.bottom is bottom
+            && i.left is left
+            && i.right is right;
+    }
+    return false;
+}
+
+/**
+ * Creates an Insets representing the sum of this Insets with the specified Insets.
+ * @param insets  Insets to be added
+ * @return  A new Insets
+ * @since 2.0
+ */
+public Insets getAdded(Insets insets) {
+    return (new Insets(this)).add(insets);
+}
+
+/**
+ * Returns the height for this Insets, equal to <code>top</code> + <code>bottom</code>.
+ * @return The sum of top + bottom
+ * @see  #getWidth()
+ * @since 2.0
+ */
+public int getHeight() {
+    return top + bottom;
+}
+
+/**
+ * Creates a new Insets with transposed values.
+ * Top and Left are transposed.
+ * Bottom and Right are transposed.
+ * @return  New Insets with the transposed values.
+ * @since 2.0
+ */
+public Insets getTransposed() {
+    return (new Insets(this)).transpose();
+}
+
+/**
+ * Returns the width for this Insets, equal to <code>left</code> + <code>right</code>.
+ * @return The sum of left + right
+ * @see  #getHeight()
+ * @since 2.0
+ */
+public int getWidth() {
+    return left + right;
+}
+
+/**
+ * @see java.lang.Object#toHash()
+ */
+public override hash_t toHash() {
+    return top * 7 + left * 2 + bottom * 31 + right * 37;
+}
+
+
+/**
+ * Returns true if all values are 0.
+ * @return true if all values are 0
+ * @since 2.0
+ */
+public bool isEmpty() {
+    return (left is 0 && right is 0 && top is 0 && bottom is 0);
+}
+
+/**
+ * @return String representation.
+ * @since 2.0
+ */
+public override String toString() {
+    return Format( "Insets(t={}, l={}, b={}, r={})", top, left, bottom, right );
+}
+
+/**
+ * Transposes this object.  Top and Left are exchanged.  Bottom and Right are exchanged.
+ * Can be used in orientation changes.
+ * @return <code>this</code> for convenience
+ * @since 2.0
+ */
+public Insets transpose() {
+    int temp = top;
+    top = left;
+    left = temp;
+    temp = right;
+    right = bottom;
+    bottom = temp;
+    return this;
+}
+
+}