diff options
Diffstat (limited to 'android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/PointUtils.java')
-rw-r--r-- | android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/PointUtils.java | 65 |
1 files changed, 15 insertions, 50 deletions
diff --git a/android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/PointUtils.java b/android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/PointUtils.java index bff9f9f345a1..cdacc317ee13 100644 --- a/android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/PointUtils.java +++ b/android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/PointUtils.java @@ -1,52 +1,17 @@ /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- - * ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Mozilla Android code. - * - * The Initial Developer of the Original Code is Mozilla Foundation. - * Portions created by the Initial Developer are Copyright (C) 2011 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * Kartikaya Gupta <kgupta@mozilla.com> - * - * Alternatively, the contents of this file may be used under the terms of - * either the GNU General Public License Version 2 or later (the "GPL"), or - * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - * ***** END LICENSE BLOCK ***** */ + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ package org.mozilla.gecko.gfx; import android.graphics.Point; import android.graphics.PointF; -import android.util.FloatMath; -import org.json.JSONObject; import org.json.JSONException; +import org.json.JSONObject; import org.mozilla.gecko.util.FloatUtils; -import java.lang.Math; - public final class PointUtils { public static PointF add(PointF one, PointF two) { return new PointF(one.x + two.x, one.y + two.y); @@ -64,19 +29,19 @@ public final class PointUtils { return new Point(Math.round(point.x), Math.round(point.y)); } - /* Returns a new point that is a linear interpolation between start and end points. weight conrols the weighting - * of each of the original points (weight = 1 returns endPoint, weight = 0 returns startPoint) - */ - public static PointF interpolate(PointF startPoint, PointF endPoint, float weight) { - float x = FloatUtils.interpolate(startPoint.x, endPoint.x, weight); - float y = FloatUtils.interpolate(startPoint.y, endPoint.y, weight); - return new PointF(x, y); - } + /* Returns a new point that is a linear interpolation between start and end points. weight conrols the weighting + * of each of the original points (weight = 1 returns endPoint, weight = 0 returns startPoint) + */ + public static PointF interpolate(PointF startPoint, PointF endPoint, float weight) { + float x = FloatUtils.interpolate(startPoint.x, endPoint.x, weight); + float y = FloatUtils.interpolate(startPoint.y, endPoint.y, weight); + return new PointF(x, y); + } - /* Computes the magnitude of the given vector. */ - public static float distance(PointF point) { + /* Computes the magnitude of the given vector. */ + public static float distance(PointF point) { return (float)Math.sqrt(point.x * point.x + point.y * point.y); - } + } /** Computes the scalar distance between two points. */ public static float distance(PointF one, PointF two) { |