author Ehsan Akhgari <>
Wed, 01 Jun 2011 16:18:15 -0400
changeset 70259 749feb2a61a4c09a62a5dd513e4d445e0168e72a
parent 68402 848c520e915846251f41a2ac5505007c7aa12007
child 70640 ba8071654f2d6ab82cd9247d2e49cc31ba54a858
permissions -rw-r--r--
Back out bug 10209 and bug 656875 (its regression fix) from Aurora because the work on this bug has not been finished yet

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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
 * 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 code.
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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 ***** */

#ifndef NSSIZE_H
#define NSSIZE_H

#include "nsCoord.h"
#include "mozilla/BaseSize.h"

// Maximum allowable size
#define NS_MAXSIZE nscoord_MAX

struct nsSize : public mozilla::BaseSize<nscoord, nsSize> {
  typedef mozilla::BaseSize<nscoord, nsSize> Super;

  nsSize() : Super() {}
  nsSize(const nsSize& aSize) : Super(aSize) {}
  nsSize(nscoord aWidth, nscoord aHeight) : Super(aWidth, aHeight) {}

  // Converts this size from aFromAPP, an appunits per pixel ratio, to aToAPP.
  inline nsSize ConvertAppUnits(PRInt32 aFromAPP, PRInt32 aToAPP) const;

struct nsIntSize : public mozilla::BaseSize<PRInt32, nsIntSize> {
  typedef mozilla::BaseSize<PRInt32, nsIntSize> Super;

  nsIntSize() : Super() {}
  nsIntSize(const nsIntSize& aSize) : Super(aSize) {}
  nsIntSize(PRInt32 aWidth, PRInt32 aHeight) : Super(aWidth, aHeight) {}

inline nsSize
nsSize::ConvertAppUnits(PRInt32 aFromAPP, PRInt32 aToAPP) const {
  if (aFromAPP != aToAPP) {
    nsSize size;
    size.width = NSToCoordRound(NSCoordScale(width, aFromAPP, aToAPP));
    size.height = NSToCoordRound(NSCoordScale(height, aFromAPP, aToAPP));
    return size;
  return *this;

#endif /* NSSIZE_H */