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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "JSDOMPromiseDeferred.h"
#include "ScriptWrappable.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class Blob;
class HTMLCanvasElement;
class HTMLImageElement;
class HTMLVideoElement;
class ImageBitmapImageObserver;
class ImageBuffer;
class ImageData;
class IntRect;
class IntSize;
class PendingImageBitmap;
class ScriptExecutionContext;
class TypedOMCSSImageValue;
struct ImageBitmapOptions;
class ImageBitmap final : public ScriptWrappable, public RefCounted<ImageBitmap> {
WTF_MAKE_ISO_ALLOCATED(ImageBitmap);
public:
using Source = Variant<
RefPtr<HTMLImageElement>,
#if ENABLE(VIDEO)
RefPtr<HTMLVideoElement>,
#endif
RefPtr<HTMLCanvasElement>,
RefPtr<ImageBitmap>,
#if ENABLE(CSS_TYPED_OM)
RefPtr<TypedOMCSSImageValue>,
#endif
RefPtr<Blob>,
RefPtr<ImageData>
>;
using Promise = DOMPromiseDeferred<IDLInterface<ImageBitmap>>;
static void createPromise(ScriptExecutionContext&, Source&&, ImageBitmapOptions&&, Promise&&);
static void createPromise(ScriptExecutionContext&, Source&&, ImageBitmapOptions&&, int sx, int sy, int sw, int sh, Promise&&);
static Ref<ImageBitmap> create(IntSize);
static Ref<ImageBitmap> create(std::pair<std::unique_ptr<ImageBuffer>, bool>&&);
~ImageBitmap();
unsigned width() const;
unsigned height() const;
void close();
bool isDetached() const { return m_detached; }
ImageBuffer* buffer() { return m_bitmapData.get(); }
bool originClean() const { return m_originClean; }
std::unique_ptr<ImageBuffer> transferOwnershipAndClose();
static Vector<std::pair<std::unique_ptr<ImageBuffer>, bool>> detachBitmaps(Vector<RefPtr<ImageBitmap>>&&);
private:
friend class ImageBitmapImageObserver;
friend class PendingImageBitmap;
static Ref<ImageBitmap> create(std::unique_ptr<ImageBuffer>&&);
ImageBitmap(std::unique_ptr<ImageBuffer>&&);
static void createPromise(ScriptExecutionContext&, RefPtr<HTMLImageElement>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&);
#if ENABLE(VIDEO)
static void createPromise(ScriptExecutionContext&, RefPtr<HTMLVideoElement>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&);
#endif
static void createPromise(ScriptExecutionContext&, RefPtr<HTMLCanvasElement>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&);
static void createPromise(ScriptExecutionContext&, RefPtr<ImageBitmap>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&);
static void createPromise(ScriptExecutionContext&, RefPtr<Blob>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&);
static void createPromise(ScriptExecutionContext&, RefPtr<ImageData>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&);
static void createPromise(ScriptExecutionContext&, RefPtr<TypedOMCSSImageValue>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&);
static void createFromBuffer(Ref<ArrayBuffer>&&, String mimeType, long long expectedContentLength, const URL&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&);
std::unique_ptr<ImageBuffer> m_bitmapData;
bool m_detached { false };
bool m_originClean { true };
};
}