1 : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 : * ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Thebes code.
16 : *
17 : * The Initial Developer of the Original Code is Mozilla Foundation
18 : * Portions created by the Initial Developer are Copyright (C) 2010
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : * Robert O'Callahan <robert@ocallahan.org>
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either the GNU General Public License Version 2 or later (the "GPL"), or
26 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
28 : * of those above. If you wish to allow use of your version of this file only
29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #ifndef GFX_TEESURFACE_H
39 : #define GFX_TEESURFACE_H
40 :
41 : #include "gfxASurface.h"
42 : #include "nsTArray.h"
43 :
44 : /**
45 : * Wraps a cairo_tee_surface. The first surface in the surface list is the
46 : * primary surface, which answers all surface queries (including size).
47 : * All drawing is performed on all the surfaces.
48 : *
49 : * The device transform of a tee surface is applied before drawing to the
50 : * underlying surfaces --- which also applies the device transforms of the
51 : * underlying surfaces.
52 : */
53 0 : class THEBES_API gfxTeeSurface : public gfxASurface {
54 : public:
55 : gfxTeeSurface(cairo_surface_t *csurf);
56 : gfxTeeSurface(gfxASurface **aSurfaces, PRInt32 aSurfaceCount);
57 :
58 : virtual const gfxIntSize GetSize() const;
59 :
60 : /**
61 : * Returns the list of underlying surfaces.
62 : */
63 : void GetSurfaces(nsTArray<nsRefPtr<gfxASurface> > *aSurfaces);
64 : };
65 :
66 : #endif /* GFX_TEESURFACE_H */
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