LCOV - app.info - objdir/dist/include/nsSize.h

LCOV - code coverage report
| Current view: | directory - objdir/dist/include - nsSize.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 14 | 2 | 14.3 %
| Date: | 2012-04-21 | Functions: | 6 | 2 | 33.3 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is mozilla.org code.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * Netscape Communications Corporation.
          19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *
          24                 :  * Alternatively, the contents of this file may be used under the terms of
          25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          28                 :  * of those above. If you wish to allow use of your version of this file only
          29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          30                 :  * use your version of this file under the terms of the MPL, indicate your
          31                 :  * decision by deleting the provisions above and replace them with the notice
          32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          33                 :  * the provisions above, a recipient may use your version of this file under
          34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          35                 :  *
          36                 :  * ***** END LICENSE BLOCK ***** */
          37                 :
          38                 : #ifndef NSSIZE_H
          39                 : #define NSSIZE_H
          40                 :
          41                 : #include "nsCoord.h"
          42                 : #include "mozilla/gfx/BaseSize.h"
          43                 :
          44                 : // Maximum allowable size
          45                 : #define NS_MAXSIZE nscoord_MAX
          46                 :
          47                 : struct nsIntSize;
          48                 :
          49                 : struct nsSize : public mozilla::gfx::BaseSize<nscoord, nsSize> {
          50                 :   typedef mozilla::gfx::BaseSize<nscoord, nsSize> Super;
          51                 :
          52               0 :   nsSize() : Super() {}
          53               0 :   nsSize(nscoord aWidth, nscoord aHeight) : Super(aWidth, aHeight) {}
          54                 :
          55                 :   inline nsIntSize ScaleToNearestPixels(float aXScale, float aYScale,
          56                 :                                         nscoord aAppUnitsPerPixel) const;
          57                 :
          58                 :   // Converts this size from aFromAPP, an appunits per pixel ratio, to aToAPP.
          59                 :   inline nsSize ConvertAppUnits(PRInt32 aFromAPP, PRInt32 aToAPP) const;
          60                 : };
          61                 :
          62                 : struct nsIntSize : public mozilla::gfx::BaseSize<PRInt32, nsIntSize> {
          63                 :   typedef mozilla::gfx::BaseSize<PRInt32, nsIntSize> Super;
          64                 :
          65              19 :   nsIntSize() : Super() {}
          66              75 :   nsIntSize(PRInt32 aWidth, PRInt32 aHeight) : Super(aWidth, aHeight) {}
          67                 : };
          68                 :
          69                 : inline nsIntSize
          70               0 : nsSize::ScaleToNearestPixels(float aXScale, float aYScale,
          71                 :                              nscoord aAppUnitsPerPixel) const
          72                 : {
          73                 :   return nsIntSize(
          74               0 :       NSToIntRoundUp(NSAppUnitsToDoublePixels(width, aAppUnitsPerPixel) * aXScale),
          75               0 :       NSToIntRoundUp(NSAppUnitsToDoublePixels(height, aAppUnitsPerPixel) * aYScale));
          76                 : }
          77                 :
          78                 : inline nsSize
          79               0 : nsSize::ConvertAppUnits(PRInt32 aFromAPP, PRInt32 aToAPP) const {
          80               0 :   if (aFromAPP != aToAPP) {
          81               0 :     nsSize size;
          82               0 :     size.width = NSToCoordRound(NSCoordScale(width, aFromAPP, aToAPP));
          83               0 :     size.height = NSToCoordRound(NSCoordScale(height, aFromAPP, aToAPP));
          84               0 :     return size;
          85                 :   }
          86               0 :   return *this;
          87                 : }
          88                 :
          89                 : #endif /* NSSIZE_H */

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