gecko/gfx/thebes/gfxQuartzImageSurface.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "gfxQuartzImageSurface.h"
#include "cairo-quartz.h"
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#include "cairo-quartz-image.h"
gfxQuartzImageSurface::gfxQuartzImageSurface(gfxImageSurface *imageSurface)
{
if (imageSurface->CairoSurface() == NULL)
return;
cairo_surface_t *surf = cairo_quartz_image_surface_create (imageSurface->CairoSurface());
Init (surf);
}
gfxQuartzImageSurface::gfxQuartzImageSurface(cairo_surface_t *csurf)
{
Init (csurf, true);
}
gfxQuartzImageSurface::~gfxQuartzImageSurface()
{
}
PRInt32
gfxQuartzImageSurface::KnownMemoryUsed()
{
// This surface doesn't own any memory itself, but we want to report here the
// amount of memory that the surface it wraps uses.
nsRefPtr<gfxImageSurface> imgSurface = GetAsImageSurface();
if (imgSurface)
return imgSurface->KnownMemoryUsed();
return 0;
}
already_AddRefed<gfxImageSurface>
gfxQuartzImageSurface::GetAsImageSurface()
{
if (!mSurfaceValid)
return nsnull;
cairo_surface_t *isurf = cairo_quartz_image_surface_get_image (CairoSurface());
if (!isurf) {
NS_WARNING ("Couldn't obtain an image surface from a QuartzImageSurface?!");
return nsnull;
}
nsRefPtr<gfxASurface> asurf = gfxASurface::Wrap(isurf);
gfxImageSurface *imgsurf = (gfxImageSurface*) asurf.get();
NS_ADDREF(imgsurf);
return imgsurf;
}