gecko-dev/dom/interfaces/canvas/nsIDOMCanvasRenderingContex...

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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/. */
#include "nsISupports.idl"
/**
* This interface remains only for the constants, for a context, use the
* WebIDL/Paris bindings instead (CanvasRenderingContext2D.webidl).
* The constants are used by CanvasRenderingContext2D::DrawWindow and are
* used in WindowsPreviewPerTab.jsm and some extensions. The constants can
* be referenced directly via a canvas context 2d rather than this interface,
* and that should be preferred in new code.
*/
[uuid(4417cab7-c7eb-4e0c-b00a-c43842f0cba8)]
interface nsIDOMCanvasRenderingContext2D : nsISupports
{
// Show the caret if appropriate when drawing
const unsigned long DRAWWINDOW_DRAW_CARET = 0x01;
// Don't flush pending layout notifications that could otherwise
// be batched up
const unsigned long DRAWWINDOW_DO_NOT_FLUSH = 0x02;
// Draw scrollbars and scroll the viewport if they are present
const unsigned long DRAWWINDOW_DRAW_VIEW = 0x04;
// Use the widget layer manager if available. This means hardware
// acceleration may be used, but it might actually be slower or
// lower quality than normal. It will however more accurately reflect
// the pixels rendered to the screen.
const unsigned long DRAWWINDOW_USE_WIDGET_LAYERS = 0x08;
// Don't synchronously decode images - draw what we have
const unsigned long DRAWWINDOW_ASYNC_DECODE_IMAGES = 0x10;
};