1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/gfx/FloatSize.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,54 @@
1.4 +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +package org.mozilla.gecko.gfx;
1.10 +
1.11 +import org.mozilla.gecko.util.FloatUtils;
1.12 +
1.13 +import org.json.JSONException;
1.14 +import org.json.JSONObject;
1.15 +
1.16 +public class FloatSize {
1.17 + public final float width, height;
1.18 +
1.19 + public FloatSize(FloatSize size) { width = size.width; height = size.height; }
1.20 + public FloatSize(IntSize size) { width = size.width; height = size.height; }
1.21 + public FloatSize(float aWidth, float aHeight) { width = aWidth; height = aHeight; }
1.22 +
1.23 + public FloatSize(JSONObject json) {
1.24 + try {
1.25 + width = (float)json.getDouble("width");
1.26 + height = (float)json.getDouble("height");
1.27 + } catch (JSONException e) {
1.28 + throw new RuntimeException(e);
1.29 + }
1.30 + }
1.31 +
1.32 + @Override
1.33 + public String toString() { return "(" + width + "," + height + ")"; }
1.34 +
1.35 + public boolean isPositive() {
1.36 + return (width > 0 && height > 0);
1.37 + }
1.38 +
1.39 + public boolean fuzzyEquals(FloatSize size) {
1.40 + return (FloatUtils.fuzzyEquals(size.width, width) &&
1.41 + FloatUtils.fuzzyEquals(size.height, height));
1.42 + }
1.43 +
1.44 + public FloatSize scale(float factor) {
1.45 + return new FloatSize(width * factor, height * factor);
1.46 + }
1.47 +
1.48 + /*
1.49 + * Returns the size that represents a linear transition between this size and `to` at time `t`,
1.50 + * which is on the scale [0, 1).
1.51 + */
1.52 + public FloatSize interpolate(FloatSize to, float t) {
1.53 + return new FloatSize(FloatUtils.interpolate(width, to.width, t),
1.54 + FloatUtils.interpolate(height, to.height, t));
1.55 + }
1.56 +}
1.57 +
