| /* |
| * Copyright (C) 2009 Apple 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_PERSPECTIVE_TRANSFORM_OPERATION_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_PERSPECTIVE_TRANSFORM_OPERATION_H_ |
| |
| #include "third_party/blink/renderer/platform/transforms/transform_operation.h" |
| |
| namespace blink { |
| |
| class PLATFORM_EXPORT PerspectiveTransformOperation final |
| : public TransformOperation { |
| public: |
| static scoped_refptr<PerspectiveTransformOperation> Create(double p) { |
| return base::AdoptRef(new PerspectiveTransformOperation(p)); |
| } |
| |
| double Perspective() const { return p_; } |
| |
| bool CanBlendWith(const TransformOperation& other) const override { |
| return IsSameType(other); |
| } |
| |
| static bool IsMatchingOperationType(OperationType type) { |
| return type == kPerspective; |
| } |
| |
| private: |
| OperationType GetType() const override { return kPerspective; } |
| |
| bool operator==(const TransformOperation& o) const override { |
| if (!IsSameType(o)) |
| return false; |
| const PerspectiveTransformOperation* p = |
| static_cast<const PerspectiveTransformOperation*>(&o); |
| return p_ == p->p_; |
| } |
| |
| void Apply(TransformationMatrix& transform, const FloatSize&) const override { |
| transform.ApplyPerspective(p_); |
| } |
| |
| scoped_refptr<TransformOperation> Blend( |
| const TransformOperation* from, |
| double progress, |
| bool blend_to_identity = false) override; |
| scoped_refptr<TransformOperation> Zoom(double factor) final; |
| |
| PerspectiveTransformOperation(double p) : p_(p) {} |
| |
| double p_; |
| }; |
| |
| DEFINE_TRANSFORM_TYPE_CASTS(PerspectiveTransformOperation); |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_PERSPECTIVE_TRANSFORM_OPERATION_H_ |