The Tor Browser: gfx/thebes/gfxTeeSurface.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef GFX_TEESURFACE_H

     7 #define GFX_TEESURFACE_H

     9 #include "gfxASurface.h"

    10 #include "nsTArrayForwardDeclare.h"

    11 #include "nsSize.h"

    13 template<class T> class nsRefPtr;

    15 /**

    16  * Wraps a cairo_tee_surface. The first surface in the surface list is the

    17  * primary surface, which answers all surface queries (including size).

    18  * All drawing is performed on all the surfaces.

    19  *

    20  * The device transform of a tee surface is applied before drawing to the

    21  * underlying surfaces --- which also applies the device transforms of the

    22  * underlying surfaces.

    23  */

    24 class gfxTeeSurface : public gfxASurface {

    25 public:

    26     gfxTeeSurface(cairo_surface_t *csurf);

    27     gfxTeeSurface(gfxASurface **aSurfaces, int32_t aSurfaceCount);

    29     virtual const gfxIntSize GetSize() const;

    31     /**

    32      * Returns the list of underlying surfaces.

    33      */

    34     void GetSurfaces(nsTArray<nsRefPtr<gfxASurface> > *aSurfaces);

    35 };

    37 #endif /* GFX_TEESURFACE_H */

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