138 lines
5.9 KiB
C++
138 lines
5.9 KiB
C++
/*
|
|
* 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 "IDLTypes.h"
|
|
#include "ImageBitmapBacking.h"
|
|
#include "ScriptWrappable.h"
|
|
#include <wtf/RefCounted.h>
|
|
|
|
namespace JSC {
|
|
class ArrayBuffer;
|
|
}
|
|
|
|
using JSC::ArrayBuffer;
|
|
|
|
namespace WebCore {
|
|
|
|
class Blob;
|
|
class CanvasBase;
|
|
class HTMLCanvasElement;
|
|
class HTMLImageElement;
|
|
class HTMLVideoElement;
|
|
class ImageBitmapImageObserver;
|
|
class ImageData;
|
|
class IntRect;
|
|
class IntSize;
|
|
#if ENABLE(OFFSCREEN_CANVAS)
|
|
class OffscreenCanvas;
|
|
#endif
|
|
class PendingImageBitmap;
|
|
class ScriptExecutionContext;
|
|
class CSSStyleImageValue;
|
|
struct ImageBitmapOptions;
|
|
|
|
template<typename IDLType> class DOMPromiseDeferred;
|
|
|
|
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(OFFSCREEN_CANVAS)
|
|
RefPtr<OffscreenCanvas>,
|
|
#endif
|
|
#if ENABLE(CSS_TYPED_OM)
|
|
RefPtr<CSSStyleImageValue>,
|
|
#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 RefPtr<ImageBuffer> createImageBuffer(ScriptExecutionContext&, const FloatSize&, RenderingMode, float resolutionScale = 1);
|
|
|
|
static Ref<ImageBitmap> create(ScriptExecutionContext&, const IntSize&);
|
|
static Ref<ImageBitmap> create(std::optional<ImageBitmapBacking>&&);
|
|
|
|
~ImageBitmap();
|
|
|
|
ImageBuffer* buffer() const { return m_backingStore ? m_backingStore->buffer() : nullptr; }
|
|
// This function has the implicit side-effect of detaching the backing store.
|
|
// It returns nullptr if the ImageBitmap's already detached.
|
|
RefPtr<ImageBuffer> takeImageBuffer();
|
|
OptionSet<SerializationState> serializationState() const { return m_backingStore ? m_backingStore->serializationState() : SerializationState(); }
|
|
|
|
unsigned width() const { return m_backingStore ? m_backingStore->width() : 0; }
|
|
unsigned height() const { return m_backingStore ? m_backingStore->height() : 0; }
|
|
|
|
bool originClean() const { return m_backingStore && m_backingStore->originClean(); }
|
|
bool premultiplyAlpha() const { return m_backingStore && m_backingStore->premultiplyAlpha(); }
|
|
bool forciblyPremultiplyAlpha() const { return m_backingStore && m_backingStore->forciblyPremultiplyAlpha(); }
|
|
|
|
std::optional<ImageBitmapBacking> takeImageBitmapBacking();
|
|
bool isDetached() const { return !m_backingStore; }
|
|
void close() { takeImageBitmapBacking(); }
|
|
|
|
static Vector<std::optional<ImageBitmapBacking>> detachBitmaps(Vector<RefPtr<ImageBitmap>>&&);
|
|
|
|
private:
|
|
friend class ImageBitmapImageObserver;
|
|
friend class PendingImageBitmap;
|
|
|
|
ImageBitmap(std::optional<ImageBitmapBacking>&&);
|
|
|
|
static void resolveWithBlankImageBuffer(ScriptExecutionContext&, bool originClean, Promise&&);
|
|
|
|
static void createPromise(ScriptExecutionContext&, RefPtr<HTMLImageElement>&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
#if ENABLE(VIDEO)
|
|
static void createPromise(ScriptExecutionContext&, RefPtr<HTMLVideoElement>&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
#endif
|
|
static void createPromise(ScriptExecutionContext&, RefPtr<ImageBitmap>&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
static void createPromise(ScriptExecutionContext&, RefPtr<HTMLCanvasElement>&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
#if ENABLE(OFFSCREEN_CANVAS)
|
|
static void createPromise(ScriptExecutionContext&, RefPtr<OffscreenCanvas>&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
#endif
|
|
static void createPromise(ScriptExecutionContext&, CanvasBase&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
static void createPromise(ScriptExecutionContext&, RefPtr<Blob>&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
static void createPromise(ScriptExecutionContext&, RefPtr<ImageData>&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
static void createPromise(ScriptExecutionContext&, RefPtr<CSSStyleImageValue>&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
static void createFromBuffer(ScriptExecutionContext&, Ref<ArrayBuffer>&&, String mimeType, long long expectedContentLength, const URL&, ImageBitmapOptions&&, std::optional<IntRect>, Promise&&);
|
|
|
|
std::optional<ImageBitmapBacking> m_backingStore;
|
|
};
|
|
|
|
}
|