third_party/WebKit/Source/platform/transforms/Matrix3DTransformOperation.h

   1 /*
   2  * Copyright (C) 2009 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef Matrix3DTransformOperation_h
  27 #define Matrix3DTransformOperation_h
  28
  29 #include "platform/transforms/TransformOperation.h"
  30
  31 namespace blink {
  32
  33 class PLATFORM_EXPORT Matrix3DTransformOperation : public TransformOperation {
  34 public:
  35     static PassRefPtr<Matrix3DTransformOperation> create(const TransformationMatrix& matrix)
  36     {
  37         return adoptRef(new Matrix3DTransformOperation(matrix));
  38     }
  39
  40     TransformationMatrix matrix() const {return m_matrix; }
  41
  42     virtual bool canBlendWith(const TransformOperation& other) const
  43     {
  44         return false;
  45     }
  46
  47 private:
  48     OperationType type() const override { return Matrix3D; }
  49
  50     bool operator==(const TransformOperation& o) const override
  51     {
  52         if (!isSameType(o))
  53             return false;
  54         const Matrix3DTransformOperation* m = static_cast<const Matrix3DTransformOperation*>(&o);
  55         return m_matrix == m->m_matrix;
  56     }
  57
  58     void apply(TransformationMatrix& transform, const FloatSize&) const override
  59     {
  60         transform.multiply(TransformationMatrix(m_matrix));
  61     }
  62
  63     PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) override;
  64     PassRefPtr<TransformOperation> zoom(double factor) final;
  65
  66     Matrix3DTransformOperation(const TransformationMatrix& mat)
  67     {
  68         m_matrix = mat;
  69     }
  70
  71     TransformationMatrix m_matrix;
  72 };
  73
  74 } // namespace blink
  75
  76 #endif // Matrix3DTransformOperation_h