From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- dom/canvas/ImageData.h | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 dom/canvas/ImageData.h (limited to 'dom/canvas/ImageData.h') diff --git a/dom/canvas/ImageData.h b/dom/canvas/ImageData.h new file mode 100644 index 0000000000..71a1e80375 --- /dev/null +++ b/dom/canvas/ImageData.h @@ -0,0 +1,89 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 et tw=78: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_dom_ImageData_h +#define mozilla_dom_ImageData_h + +#include +#include +#include "js/RootingAPI.h" +#include "mozilla/AlreadyAddRefed.h" +#include "mozilla/Assertions.h" +#include "mozilla/dom/TypedArray.h" +#include "nsCycleCollectionParticipant.h" +#include "nsISupports.h" + +class JSObject; +class nsIGlobalObject; +struct JSContext; +struct JSStructuredCloneReader; +struct JSStructuredCloneWriter; + +namespace mozilla { +class ErrorResult; + +namespace dom { + +class GlobalObject; +template +class Optional; + +class ImageData final : public nsISupports { + public: + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ImageData) + + const uint32_t mWidth; + const uint32_t mHeight; + + private: + JS::Heap mData; + + public: + ImageData(uint32_t aWidth, uint32_t aHeight, JSObject& aData) + : mWidth(aWidth), mHeight(aHeight), mData(&aData) { + HoldData(); + } + + static already_AddRefed Constructor(const GlobalObject& aGlobal, + const uint32_t aWidth, + const uint32_t aHeight, + ErrorResult& aRv); + + static already_AddRefed Constructor( + const GlobalObject& aGlobal, const Uint8ClampedArray& aData, + const uint32_t aWidth, const Optional& aHeight, + ErrorResult& aRv); + + uint32_t Width() const { return mWidth; } + uint32_t Height() const { return mHeight; } + void GetData(JSContext* cx, JS::MutableHandle aData) const { + aData.set(GetDataObject()); + } + JSObject* GetDataObject() const { return mData; } + + bool WrapObject(JSContext* aCx, JS::Handle aGivenProto, + JS::MutableHandle aReflector); + + //[Serializable] implementation + static already_AddRefed ReadStructuredClone( + JSContext* aCx, nsIGlobalObject* aGlobal, + JSStructuredCloneReader* aReader); + bool WriteStructuredClone(JSContext* aCx, + JSStructuredCloneWriter* aWriter) const; + + private: + void HoldData(); + void DropData(); + + ImageData() = delete; + ~ImageData() { DropData(); } +}; + +} // namespace dom +} // namespace mozilla + +#endif // mozilla_dom_ImageData_h -- cgit v1.2.3