| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef InterpolatedTransformOperation_h |
| #define InterpolatedTransformOperation_h |
| |
| #include "platform/transforms/TransformOperation.h" |
| #include "platform/transforms/TransformOperations.h" |
| |
| namespace blink { |
| |
| // This class is an implementation detail for deferred interpolations. |
| class PLATFORM_EXPORT InterpolatedTransformOperation : public TransformOperation { |
| public: |
| static PassRefPtr<InterpolatedTransformOperation> create(const TransformOperations& from, const TransformOperations& to, double progress) |
| { |
| return adoptRef(new InterpolatedTransformOperation(from, to, progress)); |
| } |
| |
| virtual bool canBlendWith(const TransformOperation& other) const |
| { |
| return isSameType(other); |
| } |
| |
| private: |
| virtual bool isIdentity() const OVERRIDE { return false; } |
| |
| virtual OperationType type() const OVERRIDE { return Interpolated; } |
| |
| virtual bool operator==(const TransformOperation&) const OVERRIDE; |
| virtual void apply(TransformationMatrix&, const FloatSize& borderBoxSize) const OVERRIDE; |
| |
| virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) OVERRIDE; |
| |
| virtual bool dependsOnBoxSize() const OVERRIDE |
| { |
| return from.dependsOnBoxSize() || to.dependsOnBoxSize(); |
| } |
| |
| InterpolatedTransformOperation(const TransformOperations& from, const TransformOperations& to, double progress) |
| : from(from) |
| , to(to) |
| , progress(progress) |
| { } |
| |
| const TransformOperations from; |
| const TransformOperations to; |
| double progress; |
| }; |
| |
| } // namespace blink |
| |
| #endif // InterpolatedTransformOperation_h |
| |