/usr/include/thunderbird/nsICanvasElementExternal.h is in thunderbird-dev 1:24.4.0+build1-0ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /* -*- Mode: C++; tab-width: 40; 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/. */
#ifndef nsICanvasElementExternal_h___
#define nsICanvasElementExternal_h___
#include "nsISupports.h"
#include "gfxPattern.h"
class gfxContext;
class nsIFrame;
struct gfxRect;
#define NS_ICANVASELEMENTEXTERNAL_IID \
{ 0x51870f54, 0x6c4c, 0x469a, {0xad, 0x46, 0xf0, 0xa9, 0x8e, 0x32, 0xa7, 0xe2 } }
class nsRenderingContext;
class nsICanvasRenderingContextInternal;
struct _cairo_surface;
/*
* This interface contains methods that are needed outside of the content/layout
* modules, specifically widget. It should eventually go away when we support
* libxul builds, and HTMLCanvasElement be used directly.
*
* Code internal to content/layout should /never/ use this interface; if the
* same functionality is needed in both places, two separate methods should be
* used.
*/
class nsICanvasElementExternal : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICANVASELEMENTEXTERNAL_IID)
enum {
RenderFlagPremultAlpha = 0x1
};
/**
* Get the size in pixels of this canvas element
*/
NS_IMETHOD_(nsIntSize) GetSizeExternal() = 0;
/*
* Ask the canvas element to tell the contexts to render themselves
* to the given gfxContext at the origin of its coordinate space.
*/
NS_IMETHOD RenderContextsExternal(gfxContext *ctx,
gfxPattern::GraphicsFilter aFilter,
uint32_t aFlags = RenderFlagPremultAlpha) = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsICanvasElementExternal, NS_ICANVASELEMENTEXTERNAL_IID)
#endif /* nsICanvasElementExternal_h___ */
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