gfx/thebes/gfxTeeSurface.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

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

michael@0 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0 2 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "gfxTeeSurface.h"
michael@0 7 #include "nsAutoPtr.h"
michael@0 8 #include "nsTArray.h"
michael@0 9
michael@0 10 #include "cairo-tee.h"
michael@0 11
michael@0 12 gfxTeeSurface::gfxTeeSurface(cairo_surface_t *csurf)
michael@0 13 {
michael@0 14 Init(csurf, true);
michael@0 15 }
michael@0 16
michael@0 17 gfxTeeSurface::gfxTeeSurface(gfxASurface **aSurfaces, int32_t aSurfaceCount)
michael@0 18 {
michael@0 19 NS_ASSERTION(aSurfaceCount > 0, "Must have a least one surface");
michael@0 20 cairo_surface_t *csurf = cairo_tee_surface_create(aSurfaces[0]->CairoSurface());
michael@0 21 Init(csurf, false);
michael@0 22
michael@0 23 for (int32_t i = 1; i < aSurfaceCount; ++i) {
michael@0 24 cairo_tee_surface_add(csurf, aSurfaces[i]->CairoSurface());
michael@0 25 }
michael@0 26 }
michael@0 27
michael@0 28 const gfxIntSize
michael@0 29 gfxTeeSurface::GetSize() const
michael@0 30 {
michael@0 31 nsRefPtr<gfxASurface> master = Wrap(cairo_tee_surface_index(mSurface, 0));
michael@0 32 return master->GetSize();
michael@0 33 }
michael@0 34
michael@0 35 void
michael@0 36 gfxTeeSurface::GetSurfaces(nsTArray<nsRefPtr<gfxASurface> >* aSurfaces)
michael@0 37 {
michael@0 38 for (int32_t i = 0; ; ++i) {
michael@0 39 cairo_surface_t *csurf = cairo_tee_surface_index(mSurface, i);
michael@0 40 if (cairo_surface_status(csurf))
michael@0 41 break;
michael@0 42 nsRefPtr<gfxASurface> *elem = aSurfaces->AppendElement();
michael@0 43 if (!elem)
michael@0 44 return;
michael@0 45 *elem = Wrap(csurf);
michael@0 46 }
michael@0 47 }

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