michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef GFX_TEESURFACE_H
michael@0: #define GFX_TEESURFACE_H
michael@0: 
michael@0: #include "gfxASurface.h"
michael@0: #include "nsTArrayForwardDeclare.h"
michael@0: #include "nsSize.h"
michael@0: 
michael@0: template<class T> class nsRefPtr;
michael@0: 
michael@0: /**
michael@0:  * Wraps a cairo_tee_surface. The first surface in the surface list is the
michael@0:  * primary surface, which answers all surface queries (including size).
michael@0:  * All drawing is performed on all the surfaces.
michael@0:  *
michael@0:  * The device transform of a tee surface is applied before drawing to the
michael@0:  * underlying surfaces --- which also applies the device transforms of the
michael@0:  * underlying surfaces.
michael@0:  */
michael@0: class gfxTeeSurface : public gfxASurface {
michael@0: public:
michael@0:     gfxTeeSurface(cairo_surface_t *csurf);
michael@0:     gfxTeeSurface(gfxASurface **aSurfaces, int32_t aSurfaceCount);
michael@0: 
michael@0:     virtual const gfxIntSize GetSize() const;
michael@0: 
michael@0:     /**
michael@0:      * Returns the list of underlying surfaces.
michael@0:      */
michael@0:     void GetSurfaces(nsTArray<nsRefPtr<gfxASurface> > *aSurfaces);
michael@0: };
michael@0: 
michael@0: #endif /* GFX_TEESURFACE_H */