Refactor AcceleratedStaticBitmapImage

third_party/WebKit/Source/platform/graphics/UnacceleratedStaticBitmapImage.h

+// 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 UnacceleratedStaticBitmapImage_h
+#define UnacceleratedStaticBitmapImage_h
+
+#include "platform/graphics/StaticBitmapImage.h"
+
+namespace blink {
+
+class PLATFORM_EXPORT UnacceleratedStaticBitmapImage final
+    : public StaticBitmapImage {
+ public:
+  ~UnacceleratedStaticBitmapImage() override;
+  static PassRefPtr<UnacceleratedStaticBitmapImage> create(sk_sp<SkImage>);
+
+  bool currentFrameKnownToBeOpaque(MetadataMode = UseCurrentMetadata) override;
+  IntSize size() const override;
+  sk_sp<SkImage> imageForCurrentFrame() override;
+  // In our current design, the SkImage in this class is always *not*
+  // texture-backed.
+  bool isTextureBacked() { return false; }
+
+  void draw(SkCanvas*,
+            const SkPaint&,
+            const FloatRect& dstRect,
+            const FloatRect& srcRect,
+            RespectImageOrientationEnum,
+            ImageClampingMode) override;
+
+  bool originClean() const override { return m_isOriginClean; }
+  void setOriginClean(bool flag) override { m_isOriginClean = flag; }
+  bool isPremultiplied() const override { return m_isPremultiplied; }
+  void setPremultiplied(bool flag) override { m_isPremultiplied = flag; }
+
+ private:
+  UnacceleratedStaticBitmapImage(sk_sp<SkImage>);
+  bool m_isOriginClean = true;
+  // The premultiply info is stored here because the SkImage API
+  // doesn't expose this info.
+  bool m_isPremultiplied = true;
+  sk_sp<SkImage> m_image;
+};
+
+}  // namespace blink
+
+#endif