LCOV - code coverage report
Current view: directory - content/svg/content/src - SVGTransformList.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 33 0 0.0 %
Date: 2012-06-02 Functions: 5 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2                 :  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
       3                 :  * ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is Mozilla SVG Project code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is the Mozilla Foundation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Brian Birtles <birtles@gmail.com>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "SVGTransformList.h"
      40                 : #include "SVGTransformListParser.h"
      41                 : #include "nsString.h"
      42                 : #include "nsDOMError.h"
      43                 : 
      44                 : namespace mozilla {
      45                 : 
      46                 : gfxMatrix
      47               0 : SVGTransformList::GetConsolidationMatrix() const
      48                 : {
      49                 :   // To benefit from Return Value Optimization and avoid copy constructor calls
      50                 :   // due to our use of return-by-value, we must return the exact same object
      51                 :   // from ALL return points. This function must only return THIS variable:
      52               0 :   gfxMatrix result;
      53                 : 
      54               0 :   if (mItems.IsEmpty())
      55               0 :     return result;
      56                 : 
      57               0 :   result = mItems[0].Matrix();
      58                 : 
      59               0 :   if (mItems.Length() == 1)
      60               0 :     return result;
      61                 : 
      62               0 :   for (PRUint32 i = 1; i < mItems.Length(); ++i) {
      63               0 :     result.PreMultiply(mItems[i].Matrix());
      64                 :   }
      65                 : 
      66               0 :   return result;
      67                 : }
      68                 : 
      69                 : nsresult
      70               0 : SVGTransformList::CopyFrom(const SVGTransformList& rhs)
      71                 : {
      72               0 :   return CopyFrom(rhs.mItems);
      73                 : }
      74                 : 
      75                 : nsresult
      76               0 : SVGTransformList::CopyFrom(const nsTArray<SVGTransform>& aTransformArray)
      77                 : {
      78               0 :   if (!mItems.SetCapacity(aTransformArray.Length())) {
      79                 :     // Yes, we do want fallible alloc here
      80               0 :     return NS_ERROR_OUT_OF_MEMORY;
      81                 :   }
      82               0 :   mItems = aTransformArray;
      83               0 :   return NS_OK;
      84                 : }
      85                 : 
      86                 : void
      87               0 : SVGTransformList::GetValueAsString(nsAString& aValue) const
      88                 : {
      89               0 :   aValue.Truncate();
      90               0 :   PRUint32 last = mItems.Length() - 1;
      91               0 :   for (PRUint32 i = 0; i < mItems.Length(); ++i) {
      92               0 :     nsAutoString length;
      93               0 :     mItems[i].GetValueAsString(length);
      94                 :     // We ignore OOM, since it's not useful for us to return an error.
      95               0 :     aValue.Append(length);
      96               0 :     if (i != last) {
      97               0 :       aValue.Append(' ');
      98                 :     }
      99                 :   }
     100               0 : }
     101                 : 
     102                 : nsresult
     103               0 : SVGTransformList::SetValueFromString(const nsAString& aValue)
     104                 : {
     105               0 :   SVGTransformListParser parser;
     106               0 :   nsresult rv = parser.Parse(aValue);
     107                 : 
     108               0 :   if (NS_FAILED(rv)) {
     109                 :     // there was a parse error.
     110               0 :     return NS_ERROR_DOM_SYNTAX_ERR;
     111                 :   }
     112                 : 
     113               0 :   return CopyFrom(parser.GetTransformList());
     114                 : }
     115                 : 
     116                 : } // namespace mozilla

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