scene_shader.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_LIB_UI_PAINTING_SCENE_SCENE_SHADER_H_
#define FLUTTER_LIB_UI_PAINTING_SCENE_SCENE_SHADER_H_
 
#include <string>
#include <vector>
 
#include "flutter/lib/ui/dart_wrapper.h"
#include "flutter/lib/ui/painting/scene/scene_node.h"
#include "flutter/lib/ui/painting/shader.h"
#include "impeller/geometry/matrix.h"
 
#include "third_party/tonic/dart_library_natives.h"
 
namespace flutter {
 
class SceneShader : public Shader {
  DEFINE_WRAPPERTYPEINFO();
  FML_FRIEND_MAKE_REF_COUNTED(SceneShader);
 
 public:
  ~SceneShader() override;
 
  static void Create(Dart_Handle wrapper, Dart_Handle scene_node_handle);
 
  void SetCameraTransform(const tonic::Float64List& matrix4);
 
  void Dispose();
 
  // |Shader|
  std::shared_ptr<DlColorSource> shader(DlImageSampling) override;
 
 private:
  explicit SceneShader(fml::RefPtr<SceneNode> scene_node);
 
  impeller::Matrix camera_transform_;
  fml::RefPtr<SceneNode> scene_node_;
};
 
}  // namespace flutter
 
#endif  // FLUTTER_LIB_UI_PAINTING_SCENE_SCENE_SHADER_H_