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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_TRANSFORM_OPERATIONS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_TRANSFORM_OPERATIONS_H_
#include "cc/animation/transform_operations.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
class SkMatrix44;
namespace blink {
class PLATFORM_EXPORT CompositorTransformOperations {
STACK_ALLOCATED();
public:
const cc::TransformOperations& AsCcTransformOperations() const;
cc::TransformOperations ReleaseCcTransformOperations();
// Returns true if these operations can be blended. It will only return
// false if we must resort to matrix interpolation, and matrix interpolation
// fails (this can happen if either matrix cannot be decomposed).
bool CanBlendWith(const CompositorTransformOperations& other) const;
void AppendTranslate(double x, double y, double z);
void AppendRotate(double x, double y, double z, double degrees);
void AppendScale(double x, double y, double z);
void AppendSkewX(double x);
void AppendSkewY(double y);
void AppendSkew(double x, double y);
void AppendPerspective(double depth);
void AppendMatrix(const SkMatrix44&);
bool IsIdentity() const;
private:
cc::TransformOperations transform_operations_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_TRANSFORM_OPERATIONS_H_
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