Revert of Adds SVGImageElement as a ImageBitmapSource

third_party/WebKit/Source/core/html/canvas/ImageElementBase.cpp

-// Copyright 2017 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 "core/html/canvas/ImageElementBase.h"
-
-#include "core/frame/ImageBitmap.h"
-#include "core/frame/LocalDOMWindow.h"
-#include "core/layout/LayoutObject.h"
-#include "core/loader/ImageLoader.h"
-#include "core/svg/graphics/SVGImageForContainer.h"
-
-namespace blink {
-
-ImageResourceContent* ImageElementBase::CachedImage() const {
-  return GetImageLoader().GetImage();
-}
-
-const Element& ImageElementBase::GetElement() const {
-  return *GetImageLoader().GetElement();
-}
-
-bool ImageElementBase::IsSVGSource() const {
-  return CachedImage() && CachedImage()->GetImage()->IsSVGImage();
-}
-
-PassRefPtr<Image> ImageElementBase::GetSourceImageForCanvas(
-    SourceImageStatus* status,
-    AccelerationHint,
-    SnapshotReason,
-    const FloatSize& default_object_size) const {
-  if (!GetImageLoader().ImageComplete() || !CachedImage()) {
-    *status = kIncompleteSourceImageStatus;
-    return nullptr;
-  }
-
-  if (CachedImage()->ErrorOccurred()) {
-    *status = kUndecodableSourceImageStatus;
-    return nullptr;
-  }
-
-  RefPtr<Image> source_image;
-  if (CachedImage()->GetImage()->IsSVGImage()) {
-    UseCounter::Count(GetElement().GetDocument(), UseCounter::kSVGInCanvas2D);
-    SVGImage* svg_image = ToSVGImage(CachedImage()->GetImage());
-    IntSize image_size =
-        RoundedIntSize(svg_image->ConcreteObjectSize(default_object_size));
-    source_image = SVGImageForContainer::Create(
-        svg_image, image_size, 1,
-        GetElement().GetDocument().CompleteURL(GetElement().ImageSourceURL()));
-  } else {
-    source_image = CachedImage()->GetImage();
-  }
-
-  *status = kNormalSourceImageStatus;
-  return source_image->ImageForDefaultFrame();
-}
-
-bool ImageElementBase::WouldTaintOrigin(
-    SecurityOrigin* destination_security_origin) const {
-  return CachedImage() &&
-         !CachedImage()->IsAccessAllowed(destination_security_origin);
-}
-
-FloatSize ImageElementBase::ElementSize(
-    const FloatSize& default_object_size) const {
-  ImageResourceContent* image = CachedImage();
-  if (!image)
-    return FloatSize();
-
-  if (image->GetImage() && image->GetImage()->IsSVGImage()) {
-    return ToSVGImage(CachedImage()->GetImage())
-        ->ConcreteObjectSize(default_object_size);
-  }
-
-  return FloatSize(image->ImageSize(LayoutObject::ShouldRespectImageOrientation(
-                                        GetElement().GetLayoutObject()),
-                                    1.0f));
-}
-
-FloatSize ImageElementBase::DefaultDestinationSize(
-    const FloatSize& default_object_size) const {
-  ImageResourceContent* image = CachedImage();
-  if (!image)
-    return FloatSize();
-
-  if (image->GetImage() && image->GetImage()->IsSVGImage()) {
-    return ToSVGImage(CachedImage()->GetImage())
-        ->ConcreteObjectSize(default_object_size);
-  }
-
-  LayoutSize size;
-  size = image->ImageSize(LayoutObject::ShouldRespectImageOrientation(
-                              GetElement().GetLayoutObject()),
-                          1.0f);
-  return FloatSize(size);
-}
-
-bool ImageElementBase::IsAccelerated() const {
-  return false;
-}
-
-const KURL& ImageElementBase::SourceURL() const {
-  return CachedImage()->GetResponse().Url();
-}
-
-int ImageElementBase::SourceWidth() {
-  SourceImageStatus status;
-  RefPtr<Image> image = GetSourceImageForCanvas(&status, kPreferNoAcceleration,
-                                                kSnapshotReasonUnknown,
-                                                SourceDefaultObjectSize());
-  return image->width();
-}
-
-int ImageElementBase::SourceHeight() {
-  SourceImageStatus status;
-  RefPtr<Image> image = GetSourceImageForCanvas(&status, kPreferNoAcceleration,
-                                                kSnapshotReasonUnknown,
-                                                SourceDefaultObjectSize());
-  return image->height();
-}
-
-bool ImageElementBase::IsOpaque() const {
-  Image* image = const_cast<Element&>(GetElement()).ImageContents();
-  return image && image->CurrentFrameKnownToBeOpaque();
-}
-
-IntSize ImageElementBase::BitmapSourceSize() const {
-  ImageResourceContent* image = CachedImage();
-  if (!image)
-    return IntSize();
-  LayoutSize lSize =
-      image->ImageSize(LayoutObject::ShouldRespectImageOrientation(
-                           GetElement().GetLayoutObject()),
-                       1.0f);
-  DCHECK(lSize.Fraction().IsZero());
-  return IntSize(lSize.Width().ToInt(), lSize.Height().ToInt());
-}
-
-ScriptPromise ImageElementBase::CreateImageBitmap(
-    ScriptState* script_state,
-    EventTarget& event_target,
-    Optional<IntRect> crop_rect,
-    const ImageBitmapOptions& options,
-    ExceptionState& exception_state) {
-  DCHECK(event_target.ToLocalDOMWindow());
-  if ((crop_rect &&
-       !ImageBitmap::IsSourceSizeValid(crop_rect->Width(), crop_rect->Height(),
-                                       exception_state)) ||
-      !ImageBitmap::IsSourceSizeValid(BitmapSourceSize().Width(),
-                                      BitmapSourceSize().Height(),
-                                      exception_state))
-    return ScriptPromise();
-  if (!ImageBitmap::IsResizeOptionValid(options, exception_state))
-    return ScriptPromise();
-  return ImageBitmapSource::FulfillImageBitmap(
-      script_state, ImageBitmap::Create(
-                        this, crop_rect,
-                        event_target.ToLocalDOMWindow()->document(), options));
-}
-
-}  // namespace blink