WebCore/NinePieceImage.h

   1 /*
   2  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
   3  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
   4  *           (C) 2000 Dirk Mueller (mueller@kde.org)
   5  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public License
  18  * along with this library; see the file COPYING.LIB.  If not, write to
  19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20  * Boston, MA 02110-1301, USA.
  21  *
  22  */
  23
  24 #ifndef NinePieceImage_h
  25 #define NinePieceImage_h
  26
  27 #include "LengthBox.h"
  28 #include "StyleImage.h"
  29
  30 namespace WebCore {
  31
  32 enum ENinePieceImageRule {
  33     StretchImageRule, RoundImageRule, RepeatImageRule
  34 };
  35
  36 class NinePieceImage {
  37 public:
  38     NinePieceImage()
  39         : m_image(0)
  40         , m_horizontalRule(StretchImageRule)
  41         , m_verticalRule(StretchImageRule)
  42     {
  43     }
  44
  45     NinePieceImage(StyleImage* image, LengthBox slices, ENinePieceImageRule h, ENinePieceImageRule v)
  46       : m_image(image)
  47       , m_slices(slices)
  48       , m_horizontalRule(h)
  49       , m_verticalRule(v)
  50     {
  51     }
  52
  53     bool operator==(const NinePieceImage& o) const;
  54     bool operator!=(const NinePieceImage& o) const { return !(*this == o); }
  55
  56     bool hasImage() const { return m_image != 0; }
  57     StyleImage* image() const { return m_image.get(); }
  58
  59     ENinePieceImageRule horizontalRule() const { return static_cast<ENinePieceImageRule>(m_horizontalRule); }
  60     ENinePieceImageRule verticalRule() const { return static_cast<ENinePieceImageRule>(m_verticalRule); }
  61
  62     RefPtr<StyleImage> m_image;
  63     LengthBox m_slices;
  64     unsigned m_horizontalRule : 2; // ENinePieceImageRule
  65     unsigned m_verticalRule : 2; // ENinePieceImageRule
  66 };
  67
  68 } // namespace WebCore
  69
  70 #endif // NinePieceImage_h