Vendor things

third-party/vendor/web-sys/webidls/enabled/ImageBitmap.webidl

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+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is
+ * https://html.spec.whatwg.org/multipage/webappapis.html#images
+ */
+
+typedef (CanvasImageSource or
+         Blob or
+         ImageData) ImageBitmapSource;
+
+[Exposed=(Window,Worker)]
+interface ImageBitmap {
+  [Constant]
+  readonly attribute unsigned long width;
+  [Constant]
+  readonly attribute unsigned long height;
+};
+
+// It's crucial that there be a way to explicitly dispose of ImageBitmaps
+// since they refer to potentially large graphics resources. Some uses
+// of this API proposal will result in repeated allocations of ImageBitmaps,
+// and garbage collection will not reliably reclaim them quickly enough.
+// Here we reuse close(), which also exists on another Transferable type,
+// MessagePort. Potentially, all Transferable types should inherit from a
+// new interface type "Closeable".
+partial interface ImageBitmap {
+  // Dispose of all graphical resources associated with this ImageBitmap.
+  undefined close();
+};
+
+enum ImageOrientation { "from-image", "flipY" };
+enum PremultiplyAlpha { "none", "premultiply", "default" };
+enum ColorSpaceConversion { "none", "default" };
+enum ResizeQuality { "pixelated", "low", "medium", "high" };
+
+dictionary ImageBitmapOptions {
+  ImageOrientation imageOrientation = "from-image";
+  PremultiplyAlpha premultiplyAlpha = "default";
+  ColorSpaceConversion colorSpaceConversion = "default";
+  [EnforceRange] unsigned long resizeWidth;
+  [EnforceRange] unsigned long resizeHeight;
+  ResizeQuality resizeQuality = "low";
+};