Refactor AcceleratedStaticBitmapImage

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

+// 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.
+
+#include "platform/graphics/UnacceleratedStaticBitmapImage.h"
+
+#include "third_party/skia/include/core/SkImage.h"
+
+namespace blink {
+
+PassRefPtr<UnacceleratedStaticBitmapImage>
+UnacceleratedStaticBitmapImage::create(sk_sp<SkImage> image) {
+  return adoptRef(new UnacceleratedStaticBitmapImage(std::move(image)));
+}
+
+UnacceleratedStaticBitmapImage::UnacceleratedStaticBitmapImage(
+    sk_sp<SkImage> image)
+    : m_image(std::move(image)) {
+  DCHECK(m_image);
+}
+
+UnacceleratedStaticBitmapImage::~UnacceleratedStaticBitmapImage() {}
+
+IntSize UnacceleratedStaticBitmapImage::size() const {
+  return IntSize(m_image->width(), m_image->height());
+}
+
+bool UnacceleratedStaticBitmapImage::currentFrameKnownToBeOpaque(MetadataMode) {
+  return m_image->isOpaque();
+}
+
+void UnacceleratedStaticBitmapImage::draw(SkCanvas* canvas,
+                                          const SkPaint& paint,
+                                          const FloatRect& dstRect,
+                                          const FloatRect& srcRect,
+                                          RespectImageOrientationEnum,
+                                          ImageClampingMode clampMode) {
+  StaticBitmapImage::drawHelper(canvas, paint, dstRect, srcRect, clampMode,
+                                m_image);
+}
+
+sk_sp<SkImage> UnacceleratedStaticBitmapImage::imageForCurrentFrame() {
+  return m_image;
+}
+
+}  // namespace blink