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/* -*- 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) 2009-2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Patrick Walton <pcwalton@mozilla.com>
* Chris Lord <chrislord.net@gmail.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 ***** */
package org.mozilla.gecko.gfx;
import org.json.JSONException;
import org.json.JSONObject;
import org.mozilla.gecko.util.FloatUtils;
public class FloatSize {
public final float width, height;
public FloatSize(FloatSize size) {
width = size.width;
height = size.height;
}
public FloatSize(IntSize size) {
width = size.width;
height = size.height;
}
public FloatSize(float aWidth, float aHeight) {
width = aWidth;
height = aHeight;
}
public FloatSize(JSONObject json) {
try {
width = (float) json.getDouble("width");
height = (float) json.getDouble("height");
} catch (JSONException e) {
throw new RuntimeException(e);
}
}
@Override
public String toString() {
return "(" + width + "," + height + ")";
}
public boolean isPositive() {
return (width > 0 && height > 0);
}
public boolean fuzzyEquals(FloatSize size) {
return (FloatUtils.fuzzyEquals(size.width, width) &&
FloatUtils.fuzzyEquals(size.height, height));
}
public FloatSize scale(float factor) {
return new FloatSize(width * factor, height * factor);
}
/*
* Returns the size that represents a linear transition between this size and `to` at time `t`,
* which is on the scale [0, 1).
*/
public FloatSize interpolate(FloatSize to, float t) {
return new FloatSize(FloatUtils.interpolate(width, to.width, t),
FloatUtils.interpolate(height, to.height, t));
}
}
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