1// Copyright 2013 The Flutter Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef FLUTTER_FLOW_LAYERS_TRANSFORM_LAYER_H_
6#define FLUTTER_FLOW_LAYERS_TRANSFORM_LAYER_H_
7
8#include "flutter/flow/layers/container_layer.h"
9
10namespace flutter {
11
12// Be careful that SkMatrix's default constructor doesn't initialize the matrix
13// at all. Hence |set_transform| must be called with an initialized SkMatrix.
14class TransformLayer : public ContainerLayer {
15 public:
16 TransformLayer(const SkMatrix& transform);
17
18 void Preroll(PrerollContext* context, const SkMatrix& matrix) override;
19
20 void Paint(PaintContext& context) const override;
21
22#if defined(LEGACY_FUCHSIA_EMBEDDER)
23 void UpdateScene(SceneUpdateContext& context) override;
24#endif
25
26 private:
27 SkMatrix transform_;
28
29 FML_DISALLOW_COPY_AND_ASSIGN(TransformLayer);
30};
31
32} // namespace flutter
33
34#endif // FLUTTER_FLOW_LAYERS_TRANSFORM_LAYER_H_
35