mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-09 11:25:00 +00:00
679b5e2db1
Backed out changeset b417c2d937e8 (bug 1485040) Backed out changeset c567c4c7438f (bug 1485040) Backed out changeset 806c36cb2c4c (bug 1485040) Backed out changeset 0fbb490ffc7f (bug 1485040) Backed out changeset a9622e7761eb (bug 1485040)
41 lines
1.9 KiB
Plaintext
41 lines
1.9 KiB
Plaintext
/* -*- 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://wiki.whatwg.org/wiki/OffscreenCanvas
|
|
*
|
|
* © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
|
|
* Opera Software ASA. You are granted a license to use, reproduce
|
|
* and create derivative works of this document.
|
|
*/
|
|
|
|
// The new ImageBitmapRenderingContext is a canvas rendering context
|
|
// which only provides the functionality to replace the canvas's
|
|
// contents with the given ImageBitmap. Its context id (the first argument
|
|
// to getContext) is "bitmaprenderer".
|
|
[Exposed=(Window,Worker)]
|
|
interface ImageBitmapRenderingContext {
|
|
// Displays the given ImageBitmap in the canvas associated with this
|
|
// rendering context. Ownership of the ImageBitmap is transferred to
|
|
// the canvas. The caller may not use its reference to the ImageBitmap
|
|
// after making this call. (This semantic is crucial to enable prompt
|
|
// reclamation of expensive graphics resources, rather than relying on
|
|
// garbage collection to do so.)
|
|
//
|
|
// The ImageBitmap conceptually replaces the canvas's bitmap, but
|
|
// it does not change the canvas's intrinsic width or height.
|
|
//
|
|
// The ImageBitmap, when displayed, is clipped to the rectangle
|
|
// defined by the canvas's instrinsic width and height. Pixels that
|
|
// would be covered by the canvas's bitmap which are not covered by
|
|
// the supplied ImageBitmap are rendered transparent black. Any CSS
|
|
// styles affecting the display of the canvas are applied as usual.
|
|
void transferFromImageBitmap(ImageBitmap bitmap);
|
|
|
|
// Deprecated version of transferFromImageBitmap
|
|
[Deprecated="ImageBitmapRenderingContext_TransferImageBitmap"]
|
|
void transferImageBitmap(ImageBitmap bitmap);
|
|
};
|