WebCore/TransformOperations.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  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
   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
  25 #ifndef TransformOperations_h
  26 #define TransformOperations_h
  27
  28 #include "TransformOperation.h"
  29 #include <wtf/RefPtr.h>
  30 #include <wtf/Vector.h>
  31
  32 namespace WebCore {
  33
  34 class TransformOperations {
  35 public:
  36     TransformOperations(bool makeIdentity = false);
  37
  38     bool operator==(const TransformOperations& o) const;
  39     bool operator!=(const TransformOperations& o) const
  40     {
  41         return !(*this == o);
  42     }
  43
  44     void apply(const IntSize& sz, TransformationMatrix& t) const
  45     {
  46         for (unsigned i = 0; i < m_operations.size(); ++i)
  47             m_operations[i]->apply(t, sz);
  48     }
  49
  50     // Return true if any of the operation types are 3D operation types (even if the
  51     // values describe affine transforms)
  52     bool has3DOperation() const
  53     {
  54         for (unsigned i = 0; i < m_operations.size(); ++i)
  55             if (m_operations[i]->is3DOperation())
  56                 return true;
  57         return false;
  58     }
  59
  60     Vector<RefPtr<TransformOperation> >& operations() { return m_operations; }
  61     const Vector<RefPtr<TransformOperation> >& operations() const { return m_operations; }
  62
  63 private:
  64     Vector<RefPtr<TransformOperation> > m_operations;
  65 };
  66
  67 } // namespace WebCore
  68
  69 #endif // TransformOperations_h