WebCore/TextSizeAdjustment.h

   1 /*
   2  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public License
  15  * along with this library; see the file COPYING.LIB.  If not, write to
  16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA 02110-1301, USA.
  18  *
  19  */
  20
  21 #ifndef TextSizeAdjustment_h
  22 #define TextSizeAdjustment_h
  23
  24 enum TextSizeAdjustmentType { AutoTextSizeAdjustment = -1, NoTextSizeAdjustment = -2 };
  25
  26 class TextSizeAdjustment {
  27 public:
  28     TextSizeAdjustment() : m_value(AutoTextSizeAdjustment) { }
  29     TextSizeAdjustment(float value) : m_value(value) { }
  30
  31     float percentage() { return m_value; }
  32     float multiplier() { return m_value / 100; }
  33
  34     bool isAuto() { return m_value == AutoTextSizeAdjustment; }
  35     bool isNone() { return m_value == NoTextSizeAdjustment; }
  36
  37     bool operator == (const TextSizeAdjustment & anAdjustment) const { return m_value == anAdjustment.m_value; }
  38     bool operator != (const TextSizeAdjustment & anAdjustment) const { return m_value != anAdjustment.m_value; }
  39
  40 private:
  41     float m_value;
  42 };
  43
  44 #endif // TextSizeAdjustment_h