LCOV - code coverage report
Current view: directory - content/svg/content/src - SVGIntegerPairSMILType.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 49 2 4.1 %
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 "SVGIntegerPairSMILType.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*/ SVGIntegerPairSMILType SVGIntegerPairSMILType::sSingleton;
      46                 : 
      47                 : void
      48               0 : SVGIntegerPairSMILType::Init(nsSMILValue& aValue) const
      49                 : {
      50               0 :   NS_ABORT_IF_FALSE(aValue.IsNull(), "Unexpected value type");
      51                 : 
      52               0 :   aValue.mU.mIntPair[0] = 0;
      53               0 :   aValue.mU.mIntPair[1] = 0;
      54               0 :   aValue.mType = this;
      55               0 : }
      56                 : 
      57                 : void
      58               0 : SVGIntegerPairSMILType::Destroy(nsSMILValue& aValue) const
      59                 : {
      60               0 :   NS_PRECONDITION(aValue.mType == this, "Unexpected SMIL value");
      61               0 :   aValue.mU.mIntPair[0] = 0;
      62               0 :   aValue.mU.mIntPair[1] = 0;
      63               0 :   aValue.mType = &nsSMILNullType::sSingleton;
      64               0 : }
      65                 : 
      66                 : nsresult
      67               0 : SVGIntegerPairSMILType::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.mIntPair[0] = aSrc.mU.mIntPair[0];
      73               0 :   aDest.mU.mIntPair[1] = aSrc.mU.mIntPair[1];
      74               0 :   return NS_OK;
      75                 : }
      76                 : 
      77                 : bool
      78               0 : SVGIntegerPairSMILType::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.mIntPair[0] == aRight.mU.mIntPair[0] &&
      85               0 :          aLeft.mU.mIntPair[1] == aRight.mU.mIntPair[1];
      86                 : }
      87                 : 
      88                 : nsresult
      89               0 : SVGIntegerPairSMILType::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.mIntPair[0] += aValueToAdd.mU.mIntPair[0] * aCount;
      97               0 :   aDest.mU.mIntPair[1] += aValueToAdd.mU.mIntPair[1] * aCount;
      98                 : 
      99               0 :   return NS_OK;
     100                 : }
     101                 : 
     102                 : nsresult
     103               0 : SVGIntegerPairSMILType::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.mIntPair[0] - aFrom.mU.mIntPair[0];
     112               0 :   delta[1] = aTo.mU.mIntPair[1] - aFrom.mU.mIntPair[1];
     113                 : 
     114               0 :   aDistance = NS_hypot(delta[0], delta[1]);
     115               0 :   return NS_OK;
     116                 : }
     117                 : 
     118                 : nsresult
     119               0 : SVGIntegerPairSMILType::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                 :   double currentVal[2];
     131               0 :   currentVal[0] = aStartVal.mU.mIntPair[0] +
     132               0 :                   (aEndVal.mU.mIntPair[0] - aStartVal.mU.mIntPair[0]) * aUnitDistance;
     133               0 :   currentVal[1] = aStartVal.mU.mIntPair[1] +
     134               0 :                   (aEndVal.mU.mIntPair[1] - aStartVal.mU.mIntPair[1]) * aUnitDistance;
     135                 : 
     136               0 :   aResult.mU.mIntPair[0] = NS_lround(currentVal[0]);
     137               0 :   aResult.mU.mIntPair[1] = NS_lround(currentVal[1]);
     138               0 :   return NS_OK;
     139                 : }
     140                 : 
     141            4392 : } // namespace mozilla

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