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: #include "gfxTeeSurface.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsTArray.h"
michael@0: 
michael@0: #include "cairo-tee.h"
michael@0: 
michael@0: gfxTeeSurface::gfxTeeSurface(cairo_surface_t *csurf)
michael@0: {
michael@0:     Init(csurf, true);
michael@0: }
michael@0: 
michael@0: gfxTeeSurface::gfxTeeSurface(gfxASurface **aSurfaces, int32_t aSurfaceCount)
michael@0: {
michael@0:     NS_ASSERTION(aSurfaceCount > 0, "Must have a least one surface");
michael@0:     cairo_surface_t *csurf = cairo_tee_surface_create(aSurfaces[0]->CairoSurface());
michael@0:     Init(csurf, false);
michael@0: 
michael@0:     for (int32_t i = 1; i < aSurfaceCount; ++i) {
michael@0:         cairo_tee_surface_add(csurf, aSurfaces[i]->CairoSurface());
michael@0:     }
michael@0: }
michael@0: 
michael@0: const gfxIntSize
michael@0: gfxTeeSurface::GetSize() const
michael@0: {
michael@0:     nsRefPtr<gfxASurface> master = Wrap(cairo_tee_surface_index(mSurface, 0));
michael@0:     return master->GetSize();
michael@0: }
michael@0: 
michael@0: void
michael@0: gfxTeeSurface::GetSurfaces(nsTArray<nsRefPtr<gfxASurface> >* aSurfaces)
michael@0: {
michael@0:     for (int32_t i = 0; ; ++i) {
michael@0:         cairo_surface_t *csurf = cairo_tee_surface_index(mSurface, i);
michael@0:         if (cairo_surface_status(csurf))
michael@0:             break;
michael@0:         nsRefPtr<gfxASurface> *elem = aSurfaces->AppendElement();
michael@0:         if (!elem)
michael@0:             return;
michael@0:         *elem = Wrap(csurf);
michael@0:     }
michael@0: }