dl_image_impeller.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_IMPELLER_DISPLAY_LIST_DL_IMAGE_IMPELLER_H_
#define FLUTTER_IMPELLER_DISPLAY_LIST_DL_IMAGE_IMPELLER_H_
 
#include "flutter/display_list/image/dl_image.h"
#include "impeller/core/texture.h"
 
namespace impeller {
 
class AiksContext;
 
class DlImageImpeller final : public flutter::DlImage {
 public:
  static sk_sp<DlImageImpeller> Make(
      std::shared_ptr<Texture> texture,
      OwningContext owning_context = OwningContext::kIO
#if FML_OS_IOS_SIMULATOR
      ,
      bool is_fake_image = false
#endif  // FML_OS_IOS_SIMULATOR
  );
 
  static sk_sp<DlImageImpeller> MakeFromYUVTextures(
      AiksContext* aiks_context,
      std::shared_ptr<Texture> y_texture,
      std::shared_ptr<Texture> uv_texture,
      YUVColorSpace yuv_color_space);
 
  // |DlImage|
  ~DlImageImpeller() override;
 
  // |DlImage|
  sk_sp<SkImage> skia_image() const override;
 
  // |DlImage|
  std::shared_ptr<impeller::Texture> impeller_texture() const override;
 
  // |DlImage|
  bool isOpaque() const override;
 
  // |DlImage|
  bool isTextureBacked() const override;
 
  // |DlImage|
  bool isUIThreadSafe() const override;
 
  // |DlImage|
  SkISize dimensions() const override;
 
  // |DlImage|
  size_t GetApproximateByteSize() const override;
 
  // |DlImage|
  OwningContext owning_context() const override { return owning_context_; }
 
#if FML_OS_IOS_SIMULATOR
  // |DlImage|
  bool IsFakeImage() const override { return is_fake_image_; }
#endif  // FML_OS_IOS_SIMULATOR
 
 private:
  std::shared_ptr<Texture> texture_;
  OwningContext owning_context_;
#if FML_OS_IOS_SIMULATOR
  bool is_fake_image_ = false;
#endif  // FML_OS_IOS_SIMULATOR
 
  explicit DlImageImpeller(std::shared_ptr<Texture> texture,
                           OwningContext owning_context = OwningContext::kIO
#if FML_OS_IOS_SIMULATOR
                           ,
                           bool is_fake_image = false
#endif  // FML_OS_IOS_SIMULATOR
  );
 
  DlImageImpeller(const DlImageImpeller&) = delete;
 
  DlImageImpeller& operator=(const DlImageImpeller&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_DISPLAY_LIST_DL_IMAGE_IMPELLER_H_