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48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "gfxTeeSurface.h"
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#include "nsAutoPtr.h"
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#include "nsTArray.h"
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#include "cairo-tee.h"
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gfxTeeSurface::gfxTeeSurface(cairo_surface_t *csurf)
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{
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Init(csurf, true);
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}
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gfxTeeSurface::gfxTeeSurface(gfxASurface **aSurfaces, int32_t aSurfaceCount)
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{
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NS_ASSERTION(aSurfaceCount > 0, "Must have a least one surface");
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cairo_surface_t *csurf = cairo_tee_surface_create(aSurfaces[0]->CairoSurface());
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Init(csurf, false);
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for (int32_t i = 1; i < aSurfaceCount; ++i) {
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cairo_tee_surface_add(csurf, aSurfaces[i]->CairoSurface());
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}
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}
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const mozilla::gfx::IntSize
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gfxTeeSurface::GetSize() const
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{
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nsRefPtr<gfxASurface> master = Wrap(cairo_tee_surface_index(mSurface, 0));
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return master->GetSize();
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}
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void
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gfxTeeSurface::GetSurfaces(nsTArray<nsRefPtr<gfxASurface> >* aSurfaces)
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{
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for (int32_t i = 0; ; ++i) {
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cairo_surface_t *csurf = cairo_tee_surface_index(mSurface, i);
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if (cairo_surface_status(csurf))
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break;
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nsRefPtr<gfxASurface> *elem = aSurfaces->AppendElement();
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if (!elem)
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return;
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*elem = Wrap(csurf);
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}
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}
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