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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/canvas/imagebitmap/image_bitmap_rendering_context.h"
#include <utility>
#include "third_party/blink/renderer/bindings/modules/v8/v8_union_offscreen_rendering_context.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_union_rendering_context.h"
#include "third_party/blink/renderer/core/imagebitmap/image_bitmap.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/graphics/gpu/shared_gpu_context.h"
#include "third_party/blink/renderer/platform/graphics/static_bitmap_image.h"
namespace blink {
ImageBitmapRenderingContext::ImageBitmapRenderingContext(
CanvasRenderingContextHost* host,
const CanvasContextCreationAttributesCore& attrs)
: ImageBitmapRenderingContextBase(host, attrs) {}
ImageBitmapRenderingContext::~ImageBitmapRenderingContext() = default;
V8RenderingContext* ImageBitmapRenderingContext::AsV8RenderingContext() {
return MakeGarbageCollected<V8RenderingContext>(this);
}
V8OffscreenRenderingContext*
ImageBitmapRenderingContext::AsV8OffscreenRenderingContext() {
return MakeGarbageCollected<V8OffscreenRenderingContext>(this);
}
void ImageBitmapRenderingContext::transferFromImageBitmap(
ImageBitmap* image_bitmap,
ExceptionState& exception_state) {
if (image_bitmap && image_bitmap->IsNeutered()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidStateError,
"The input ImageBitmap has been detached");
return;
}
if (image_bitmap && image_bitmap->WouldTaintOrigin()) {
Host()->SetOriginTainted();
}
SetImage(image_bitmap);
}
ImageBitmap* ImageBitmapRenderingContext::TransferToImageBitmap(
ScriptState*,
ExceptionState&) {
scoped_refptr<StaticBitmapImage> image = GetImageAndResetInternal();
if (!image)
return nullptr;
image->Transfer();
return MakeGarbageCollected<ImageBitmap>(std::move(image));
}
CanvasRenderingContext* ImageBitmapRenderingContext::Factory::Create(
CanvasRenderingContextHost* host,
const CanvasContextCreationAttributesCore& attrs) {
CanvasRenderingContext* rendering_context =
MakeGarbageCollected<ImageBitmapRenderingContext>(host, attrs);
DCHECK(rendering_context);
return rendering_context;
}
} // namespace blink
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