gecko-dev/gfx/thebes/gfxQuartzImageSurface.cpp

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * 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
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 * The Original Code is Mozilla Corporation code.
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 * The Initial Developer of the Original Code is Mozilla Foundation.
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 * Contributor(s):
 *   Vladimir Vukicevic <vladimir@pobox.com>
 *
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#include "gfxQuartzImageSurface.h"

#include "cairo-quartz.h"
#include "cairo-quartz-image.h"

gfxQuartzImageSurface::gfxQuartzImageSurface(gfxImageSurface *imageSurface)
{
    if (imageSurface->CairoStatus() || 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, PR_TRUE);
}

gfxQuartzImageSurface::~gfxQuartzImageSurface()
{
}

already_AddRefed<gfxImageSurface>
gfxQuartzImageSurface::GetImageSurface()
{
    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;
}