summaryrefslogtreecommitdiffstats
path: root/dom/canvas/ImageData.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/canvas/ImageData.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/ImageData.h')
-rw-r--r--dom/canvas/ImageData.h89
1 files changed, 89 insertions, 0 deletions
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 <cstdint>
+#include <utility>
+#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 <typename T>
+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<JSObject*> mData;
+
+ public:
+ ImageData(uint32_t aWidth, uint32_t aHeight, JSObject& aData)
+ : mWidth(aWidth), mHeight(aHeight), mData(&aData) {
+ HoldData();
+ }
+
+ static already_AddRefed<ImageData> Constructor(const GlobalObject& aGlobal,
+ const uint32_t aWidth,
+ const uint32_t aHeight,
+ ErrorResult& aRv);
+
+ static already_AddRefed<ImageData> Constructor(
+ const GlobalObject& aGlobal, const Uint8ClampedArray& aData,
+ const uint32_t aWidth, const Optional<uint32_t>& aHeight,
+ ErrorResult& aRv);
+
+ uint32_t Width() const { return mWidth; }
+ uint32_t Height() const { return mHeight; }
+ void GetData(JSContext* cx, JS::MutableHandle<JSObject*> aData) const {
+ aData.set(GetDataObject());
+ }
+ JSObject* GetDataObject() const { return mData; }
+
+ bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
+ JS::MutableHandle<JSObject*> aReflector);
+
+ //[Serializable] implementation
+ static already_AddRefed<ImageData> 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