LCOV - app.info - content/svg/content/src/SVGNumberPairSMILType.cpp

LCOV - code coverage report
| Current view: | directory - content/svg/content/src - SVGNumberPairSMILType.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 47 | 2 | 4.3 %
| Date: | 2012-06-02 | Functions: | 10 | 2 | 20.0 %

           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 the Mozilla SVG project.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is Robert Longson.
          18                 :  * Portions created by the Initial Developer are Copyright (C) 2011
          19                 :  * the Initial Developer. All Rights Reserved.
          20                 :  *
          21                 :  * Contributor(s):
          22                 :  *
          23                 :  * Alternatively, the contents of this file may be used under the terms of
          24                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          25                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          26                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          27                 :  * of those above. If you wish to allow use of your version of this file only
          28                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          29                 :  * use your version of this file under the terms of the MPL, indicate your
          30                 :  * decision by deleting the provisions above and replace them with the notice
          31                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          32                 :  * the provisions above, a recipient may use your version of this file under
          33                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          34                 :  *
          35                 :  * ***** END LICENSE BLOCK ***** */
          36                 :
          37                 : #include "SVGNumberPairSMILType.h"
          38                 : #include "nsSMILValue.h"
          39                 : #include "nsMathUtils.h"
          40                 : #include "nsDebug.h"
          41                 : #include <math.h>
          42                 :
          43                 : namespace mozilla {
          44                 :
          45            1464 : /*static*/ SVGNumberPairSMILType SVGNumberPairSMILType::sSingleton;
          46                 :
          47                 : void
          48               0 : SVGNumberPairSMILType::Init(nsSMILValue& aValue) const
          49                 : {
          50               0 :   NS_ABORT_IF_FALSE(aValue.IsNull(), "Unexpected value type");
          51                 :
          52               0 :   aValue.mU.mNumberPair[0] = 0;
          53               0 :   aValue.mU.mNumberPair[1] = 0;
          54               0 :   aValue.mType = this;
          55               0 : }
          56                 :
          57                 : void
          58               0 : SVGNumberPairSMILType::Destroy(nsSMILValue& aValue) const
          59                 : {
          60               0 :   NS_PRECONDITION(aValue.mType == this, "Unexpected SMIL value");
          61               0 :   aValue.mU.mNumberPair[0] = 0;
          62               0 :   aValue.mU.mNumberPair[1] = 0;
          63               0 :   aValue.mType = &nsSMILNullType::sSingleton;
          64               0 : }
          65                 :
          66                 : nsresult
          67               0 : SVGNumberPairSMILType::Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const
          68                 : {
          69               0 :   NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types");
          70               0 :   NS_PRECONDITION(aDest.mType == this, "Unexpected SMIL value");
          71                 :
          72               0 :   aDest.mU.mNumberPair[0] = aSrc.mU.mNumberPair[0];
          73               0 :   aDest.mU.mNumberPair[1] = aSrc.mU.mNumberPair[1];
          74               0 :   return NS_OK;
          75                 : }
          76                 :
          77                 : bool
          78               0 : SVGNumberPairSMILType::IsEqual(const nsSMILValue& aLeft,
          79                 :                                const nsSMILValue& aRight) const
          80                 : {
          81               0 :   NS_PRECONDITION(aLeft.mType == aRight.mType, "Incompatible SMIL types");
          82               0 :   NS_PRECONDITION(aLeft.mType == this, "Unexpected type for SMIL value");
          83                 :
          84               0 :   return aLeft.mU.mNumberPair[0] == aRight.mU.mNumberPair[0] &&
          85               0 :          aLeft.mU.mNumberPair[1] == aRight.mU.mNumberPair[1];
          86                 : }
          87                 :
          88                 : nsresult
          89               0 : SVGNumberPairSMILType::Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
          90                 :                            PRUint32 aCount) const
          91                 : {
          92               0 :   NS_PRECONDITION(aValueToAdd.mType == aDest.mType,
          93                 :                   "Trying to add invalid types");
          94               0 :   NS_PRECONDITION(aValueToAdd.mType == this, "Unexpected source type");
          95                 :
          96               0 :   aDest.mU.mNumberPair[0] += aValueToAdd.mU.mNumberPair[0] * aCount;
          97               0 :   aDest.mU.mNumberPair[1] += aValueToAdd.mU.mNumberPair[1] * aCount;
          98                 :
          99               0 :   return NS_OK;
         100                 : }
         101                 :
         102                 : nsresult
         103               0 : SVGNumberPairSMILType::ComputeDistance(const nsSMILValue& aFrom,
         104                 :                                        const nsSMILValue& aTo,
         105                 :                                        double& aDistance) const
         106                 : {
         107               0 :   NS_PRECONDITION(aFrom.mType == aTo.mType,"Trying to compare different types");
         108               0 :   NS_PRECONDITION(aFrom.mType == this, "Unexpected source type");
         109                 :
         110                 :   double delta[2];
         111               0 :   delta[0] = aTo.mU.mNumberPair[0] - aFrom.mU.mNumberPair[0];
         112               0 :   delta[1] = aTo.mU.mNumberPair[1] - aFrom.mU.mNumberPair[1];
         113                 :
         114               0 :   aDistance = NS_hypot(delta[0], delta[1]);
         115               0 :   return NS_OK;
         116                 : }
         117                 :
         118                 : nsresult
         119               0 : SVGNumberPairSMILType::Interpolate(const nsSMILValue& aStartVal,
         120                 :                                    const nsSMILValue& aEndVal,
         121                 :                                    double aUnitDistance,
         122                 :                                    nsSMILValue& aResult) const
         123                 : {
         124               0 :   NS_PRECONDITION(aStartVal.mType == aEndVal.mType,
         125                 :                   "Trying to interpolate different types");
         126               0 :   NS_PRECONDITION(aStartVal.mType == this,
         127                 :                   "Unexpected types for interpolation");
         128               0 :   NS_PRECONDITION(aResult.mType == this, "Unexpected result type");
         129                 :
         130                 :   aResult.mU.mNumberPair[0] =
         131               0 :     float(aStartVal.mU.mNumberPair[0] +
         132               0 :           (aEndVal.mU.mNumberPair[0] - aStartVal.mU.mNumberPair[0]) * aUnitDistance);
         133                 :   aResult.mU.mNumberPair[1] =
         134               0 :     float(aStartVal.mU.mNumberPair[1] +
         135               0 :           (aEndVal.mU.mNumberPair[1] - aStartVal.mU.mNumberPair[1]) * aUnitDistance);
         136               0 :   return NS_OK;
         137                 : }
         138                 :
         139            4392 : } // namespace mozilla

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