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57 lines
1.6 KiB
C++
57 lines
1.6 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 "gfxQuartzImageSurface.h"
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#include "cairo-quartz.h"
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#include "cairo-quartz-image.h"
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gfxQuartzImageSurface::gfxQuartzImageSurface(gfxImageSurface *imageSurface)
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{
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if (imageSurface->CairoSurface() == NULL)
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return;
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cairo_surface_t *surf = cairo_quartz_image_surface_create (imageSurface->CairoSurface());
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Init (surf);
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}
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gfxQuartzImageSurface::gfxQuartzImageSurface(cairo_surface_t *csurf)
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{
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Init (csurf, true);
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}
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gfxQuartzImageSurface::~gfxQuartzImageSurface()
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{
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}
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PRInt32
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gfxQuartzImageSurface::KnownMemoryUsed()
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{
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// This surface doesn't own any memory itself, but we want to report here the
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// amount of memory that the surface it wraps uses.
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nsRefPtr<gfxImageSurface> imgSurface = GetAsImageSurface();
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if (imgSurface)
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return imgSurface->KnownMemoryUsed();
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return 0;
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}
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already_AddRefed<gfxImageSurface>
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gfxQuartzImageSurface::GetAsImageSurface()
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{
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if (!mSurfaceValid)
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return nsnull;
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cairo_surface_t *isurf = cairo_quartz_image_surface_get_image (CairoSurface());
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if (!isurf) {
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NS_WARNING ("Couldn't obtain an image surface from a QuartzImageSurface?!");
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return nsnull;
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}
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nsRefPtr<gfxASurface> asurf = gfxASurface::Wrap(isurf);
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gfxImageSurface *imgsurf = (gfxImageSurface*) asurf.get();
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NS_ADDREF(imgsurf);
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return imgsurf;
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}
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