text: // 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_GRAPHICS_UNACCELERATED_STATIC_BITMAP_IMAGE_H_
  #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_UNACCELERATED_STATIC_BITMAP_IMAGE_H_
  
  #include "base/memory/weak_ptr.h"
  #include "base/single_thread_task_runner.h"
  #include "base/threading/thread_checker.h"
  #include "third_party/blink/renderer/platform/graphics/static_bitmap_image.h"
  #include "third_party/blink/renderer/platform/scheduler/public/thread.h"
  
  namespace blink {
  
  class PLATFORM_EXPORT UnacceleratedStaticBitmapImage final
      : public StaticBitmapImage {
   public:
    ~UnacceleratedStaticBitmapImage() override;
  
    // The ImageOrientation should be derived from the source of the image data.
    static scoped_refptr<UnacceleratedStaticBitmapImage> Create(
        sk_sp<SkImage>,
        ImageOrientation orientation = ImageOrientationEnum::kDefault);
    static scoped_refptr<UnacceleratedStaticBitmapImage> Create(
        PaintImage,
        ImageOrientation orientation = ImageOrientationEnum::kDefault);
  
    bool CurrentFrameKnownToBeOpaque() override;
    IntSize Size() const override;
    bool IsPremultiplied() const override;
    scoped_refptr<StaticBitmapImage> ConvertToColorSpace(sk_sp<SkColorSpace>,
                                                         SkColorType) override;
  
    void Draw(cc::PaintCanvas*,
              const cc::PaintFlags&,
              const FloatRect& dst_rect,
              const FloatRect& src_rect,
              const SkSamplingOptions&,
              RespectImageOrientationEnum,
              ImageClampingMode,
              ImageDecodingMode) override;
  
    PaintImage PaintImageForCurrentFrame() override;
  
    void Transfer() final;
  
   private:
    UnacceleratedStaticBitmapImage(sk_sp<SkImage>, ImageOrientation);
    UnacceleratedStaticBitmapImage(PaintImage, ImageOrientation);
  
    PaintImage paint_image_;
    THREAD_CHECKER(thread_checker_);
  
    sk_sp<SkImage> original_skia_image_;
    scoped_refptr<base::SingleThreadTaskRunner> original_skia_image_task_runner_;
  };
  
  }  // namespace blink
  
  #endif
  