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      1 /*
      2     Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3     Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
      4     Copyright (C) 2011 Rik Cabanier (cabanier (at) adobe.com)
      5     Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
      6     Copyright (C) 2012 Motorola Mobility, Inc. All rights reserved.
      7 
      8     This library is free software; you can redistribute it and/or
      9     modify it under the terms of the GNU Library General Public
     10     License as published by the Free Software Foundation; either
     11     version 2 of the License, or (at your option) any later version.
     12 
     13     This library is distributed in the hope that it will be useful,
     14     but WITHOUT ANY WARRANTY; without even the implied warranty of
     15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16     Library General Public License for more details.
     17 
     18     You should have received a copy of the GNU Library General Public License
     19     along with this library; see the file COPYING.LIB.  If not, write to
     20     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21     Boston, MA 02110-1301, USA.
     22 */
     23 
     24 #include "config.h"
     25 #include "platform/LengthFunctions.h"
     26 
     27 #include "platform/LayoutUnit.h"
     28 #include "platform/Length.h"
     29 
     30 namespace WebCore {
     31 
     32 // This method is over-ridden in core/css/CSSLengthFunctions.cpp.
     33 // Any changes here most likely also need to be applied there.
     34 float floatValueForLength(const Length& length, float maximumValue)
     35 {
     36     switch (length.type()) {
     37     case Fixed:
     38         return length.getFloatValue();
     39     case Percent:
     40         return static_cast<float>(maximumValue * length.percent() / 100.0f);
     41     case FillAvailable:
     42     case Auto:
     43         return static_cast<float>(maximumValue);
     44     case Calculated:
     45         return length.nonNanCalculatedValue(maximumValue);
     46     case ViewportPercentageWidth:
     47     case ViewportPercentageHeight:
     48     case ViewportPercentageMin:
     49     case ViewportPercentageMax:
     50         return 0;
     51     case Intrinsic:
     52     case MinIntrinsic:
     53     case MinContent:
     54     case MaxContent:
     55     case FitContent:
     56     case ExtendToZoom:
     57     case Undefined:
     58         ASSERT_NOT_REACHED();
     59         return 0;
     60     }
     61     ASSERT_NOT_REACHED();
     62     return 0;
     63 }
     64 
     65 } // namespace WebCore
     66