texture_layer.h

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// Copyright 2013 The Flutter 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 FLUTTER_FLOW_LAYERS_TEXTURE_LAYER_H_
#define FLUTTER_FLOW_LAYERS_TEXTURE_LAYER_H_
 
#include "flutter/flow/layers/layer.h"
#include "third_party/skia/include/core/SkPoint.h"
#include "third_party/skia/include/core/SkSize.h"
 
namespace flutter {
 
class TextureLayer : public Layer {
 public:
  TextureLayer(const SkPoint& offset,
               const SkSize& size,
               int64_t texture_id,
               bool freeze,
               DlImageSampling sampling);
 
  bool IsReplacing(DiffContext* context, const Layer* layer) const override {
    return layer->as_texture_layer() != nullptr;
  }
 
  void Diff(DiffContext* context, const Layer* old_layer) override;
 
  const TextureLayer* as_texture_layer() const override { return this; }
 
  void Preroll(PrerollContext* context) override;
  void Paint(PaintContext& context) const override;
 
 private:
  SkPoint offset_;
  SkSize size_;
  int64_t texture_id_;
  bool freeze_;
  DlImageSampling sampling_;
 
  FML_DISALLOW_COPY_AND_ASSIGN(TextureLayer);
};
 
}  // namespace flutter
 
#endif  // FLUTTER_FLOW_LAYERS_TEXTURE_LAYER_H_