mirror of
https://github.com/rn10950/RetroZilla.git
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90 lines
3.0 KiB
C++
90 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Vladimir Vukicevic <vladimir@pobox.com>
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsICanvasElement_h___
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#define nsICanvasElement_h___
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#include "nsISupports.h"
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#include "nsIFrame.h"
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// {C234660C-BD06-493e-8583-939A5A158B37}
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#define NS_ICANVASELEMENT_IID \
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{ 0xc234660c, 0xbd06, 0x493e, { 0x85, 0x83, 0x93, 0x9a, 0x5a, 0x15, 0x8b, 0x37 } }
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class nsIRenderingContext;
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struct _cairo_surface;
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class nsICanvasElement : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICANVASELEMENT_IID)
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/**
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* Ask the canvas Element to return the primary frame, if any
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*/
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NS_IMETHOD GetPrimaryCanvasFrame (nsIFrame **aFrame) = 0;
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/**
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* Get the size in pixels of this canvas element
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*/
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NS_IMETHOD GetSize (PRUint32 *width, PRUint32 *height) = 0;
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/*
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* Ask the canvas element to tell the contexts to render themselves
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* into the given nsIRenderingContext at the origin.
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*/
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NS_IMETHOD RenderContexts (nsIRenderingContext *rc) = 0;
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/*
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* Ask the canvas element to tell the contexts to render themselves
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* into to given cairo_surface_t.
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*/
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NS_IMETHOD RenderContextsToSurface (struct _cairo_surface *surf) = 0;
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/**
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* Determine whether the canvas is write-only.
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*/
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virtual PRBool IsWriteOnly() = 0;
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/**
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* Force the canvas to be write-only.
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*/
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virtual void SetWriteOnly() = 0;
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};
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#endif /* nsICanvasElement_h___ */
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