2007-03-22 10:30:00 -07:00
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Foundation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <stuart@mozilla.com>
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* Vladimir Vukicevic <vladimir@pobox.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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2010-05-21 21:10:14 -07:00
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#include "nsIMemoryReporter.h"
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#include "nsMemory.h"
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2011-04-12 12:22:45 -07:00
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#include "CheckedInt.h"
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2010-05-21 21:10:14 -07:00
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2007-03-22 10:30:00 -07:00
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#include "gfxASurface.h"
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2011-03-09 09:27:37 -08:00
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#include "gfxContext.h"
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2007-03-22 10:30:00 -07:00
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#include "gfxImageSurface.h"
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2011-03-09 09:27:37 -08:00
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#include "nsRect.h"
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2007-03-22 10:30:00 -07:00
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#include "cairo.h"
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#ifdef CAIRO_HAS_WIN32_SURFACE
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#include "gfxWindowsSurface.h"
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#endif
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2010-02-25 22:36:07 -08:00
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#ifdef CAIRO_HAS_D2D_SURFACE
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#include "gfxD2DSurface.h"
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#endif
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2007-03-22 10:30:00 -07:00
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2009-06-22 20:50:08 -07:00
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#ifdef MOZ_X11
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2007-03-22 10:30:00 -07:00
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#include "gfxXlibSurface.h"
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#endif
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2007-04-03 18:09:15 -07:00
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#ifdef CAIRO_HAS_QUARTZ_SURFACE
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2007-03-22 10:30:00 -07:00
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#include "gfxQuartzSurface.h"
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2008-02-05 22:48:47 -08:00
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#include "gfxQuartzImageSurface.h"
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2007-03-22 10:30:00 -07:00
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#endif
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2009-06-22 20:50:08 -07:00
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#ifdef MOZ_DFB
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2008-08-06 13:48:55 -07:00
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#include "gfxDirectFBSurface.h"
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#endif
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2010-09-20 16:02:00 -07:00
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#if defined(CAIRO_HAS_QT_SURFACE) && defined(MOZ_WIDGET_QT)
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2008-04-19 06:34:30 -07:00
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#include "gfxQPainterSurface.h"
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#endif
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2007-03-22 10:30:00 -07:00
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#include <stdio.h>
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2007-10-23 23:01:16 -07:00
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#include <limits.h>
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2007-03-22 10:30:00 -07:00
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2011-03-24 15:04:46 -07:00
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#include "imgIEncoder.h"
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#include "nsComponentManagerUtils.h"
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#include "gfxContext.h"
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#include "prmem.h"
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#include "nsISupportsUtils.h"
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#include "plbase64.h"
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#include "nsCOMPtr.h"
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#include "nsIConsoleService.h"
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#include "nsServiceManagerUtils.h"
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2011-04-12 12:22:45 -07:00
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using mozilla::CheckedInt;
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2007-03-22 10:30:00 -07:00
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static cairo_user_data_key_t gfxasurface_pointer_key;
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// Surfaces use refcounting that's tied to the cairo surface refcnt, to avoid
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// refcount mismatch issues.
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nsrefcnt
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gfxASurface::AddRef(void)
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{
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2007-05-10 12:58:09 -07:00
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if (mSurfaceValid) {
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if (mFloatingRefs) {
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// eat a floating ref
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mFloatingRefs--;
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} else {
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cairo_surface_reference(mSurface);
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}
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return (nsrefcnt) cairo_surface_get_reference_count(mSurface);
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2007-03-22 10:30:00 -07:00
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} else {
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2007-05-10 12:58:09 -07:00
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// the surface isn't valid, but we still need to refcount
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// the gfxASurface
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return ++mFloatingRefs;
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2007-03-22 10:30:00 -07:00
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}
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}
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nsrefcnt
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gfxASurface::Release(void)
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{
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2007-05-10 12:58:09 -07:00
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if (mSurfaceValid) {
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NS_ASSERTION(mFloatingRefs == 0, "gfxASurface::Release with floating refs still hanging around!");
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// Note that there is a destructor set on user data for mSurface,
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// which will delete this gfxASurface wrapper when the surface's refcount goes
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// out of scope.
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nsrefcnt refcnt = (nsrefcnt) cairo_surface_get_reference_count(mSurface);
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cairo_surface_destroy(mSurface);
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// |this| may not be valid any more, don't use it!
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return --refcnt;
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} else {
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if (--mFloatingRefs == 0) {
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delete this;
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return 0;
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}
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2007-03-22 10:30:00 -07:00
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2007-05-10 12:58:09 -07:00
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return mFloatingRefs;
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|
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}
|
2007-03-22 10:30:00 -07:00
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}
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void
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gfxASurface::SurfaceDestroyFunc(void *data) {
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gfxASurface *surf = (gfxASurface*) data;
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// fprintf (stderr, "Deleting wrapper for %p (wrapper: %p)\n", surf->mSurface, data);
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delete surf;
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}
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gfxASurface*
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gfxASurface::GetSurfaceWrapper(cairo_surface_t *csurf)
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{
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return (gfxASurface*) cairo_surface_get_user_data(csurf, &gfxasurface_pointer_key);
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}
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void
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gfxASurface::SetSurfaceWrapper(cairo_surface_t *csurf, gfxASurface *asurf)
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{
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cairo_surface_set_user_data(csurf, &gfxasurface_pointer_key, asurf, SurfaceDestroyFunc);
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}
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already_AddRefed<gfxASurface>
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gfxASurface::Wrap (cairo_surface_t *csurf)
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{
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gfxASurface *result;
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/* Do we already have a wrapper for this surface? */
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result = GetSurfaceWrapper(csurf);
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if (result) {
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// fprintf(stderr, "Existing wrapper for %p -> %p\n", csurf, result);
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NS_ADDREF(result);
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return result;
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}
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/* No wrapper; figure out the surface type and create it */
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cairo_surface_type_t stype = cairo_surface_get_type(csurf);
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if (stype == CAIRO_SURFACE_TYPE_IMAGE) {
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result = new gfxImageSurface(csurf);
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}
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#ifdef CAIRO_HAS_WIN32_SURFACE
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2007-09-24 15:50:44 -07:00
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else if (stype == CAIRO_SURFACE_TYPE_WIN32 ||
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stype == CAIRO_SURFACE_TYPE_WIN32_PRINTING) {
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2007-03-22 10:30:00 -07:00
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result = new gfxWindowsSurface(csurf);
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}
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#endif
|
2010-02-25 22:36:07 -08:00
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#ifdef CAIRO_HAS_D2D_SURFACE
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else if (stype == CAIRO_SURFACE_TYPE_D2D) {
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result = new gfxD2DSurface(csurf);
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}
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#endif
|
2009-06-22 20:50:08 -07:00
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#ifdef MOZ_X11
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2007-03-22 10:30:00 -07:00
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else if (stype == CAIRO_SURFACE_TYPE_XLIB) {
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result = new gfxXlibSurface(csurf);
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}
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#endif
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2007-04-03 18:09:15 -07:00
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#ifdef CAIRO_HAS_QUARTZ_SURFACE
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else if (stype == CAIRO_SURFACE_TYPE_QUARTZ) {
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2007-03-22 10:30:00 -07:00
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result = new gfxQuartzSurface(csurf);
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}
|
2008-02-05 22:48:47 -08:00
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else if (stype == CAIRO_SURFACE_TYPE_QUARTZ_IMAGE) {
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result = new gfxQuartzImageSurface(csurf);
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}
|
2008-04-19 06:34:30 -07:00
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#endif
|
2009-06-22 20:50:08 -07:00
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#ifdef MOZ_DFB
|
2008-08-06 13:48:55 -07:00
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else if (stype == CAIRO_SURFACE_TYPE_DIRECTFB) {
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result = new gfxDirectFBSurface(csurf);
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}
|
2008-08-08 03:05:00 -07:00
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#endif
|
2010-09-20 16:02:00 -07:00
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|
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#if defined(CAIRO_HAS_QT_SURFACE) && defined(MOZ_WIDGET_QT)
|
2009-09-26 08:51:08 -07:00
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else if (stype == CAIRO_SURFACE_TYPE_QT) {
|
2008-04-19 06:34:30 -07:00
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result = new gfxQPainterSurface(csurf);
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}
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2007-03-22 10:30:00 -07:00
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#endif
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else {
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result = new gfxUnknownSurface(csurf);
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}
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// fprintf(stderr, "New wrapper for %p -> %p\n", csurf, result);
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NS_ADDREF(result);
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return result;
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}
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void
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gfxASurface::Init(cairo_surface_t* surface, PRBool existingSurface)
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{
|
2007-05-10 12:58:09 -07:00
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if (cairo_surface_status(surface)) {
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// the surface has an error on it
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mSurfaceValid = PR_FALSE;
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cairo_surface_destroy(surface);
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return;
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}
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|
2007-03-22 10:30:00 -07:00
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SetSurfaceWrapper(surface, this);
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mSurface = surface;
|
2007-05-10 12:58:09 -07:00
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mSurfaceValid = PR_TRUE;
|
2007-03-22 10:30:00 -07:00
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if (existingSurface) {
|
2007-05-10 12:58:09 -07:00
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mFloatingRefs = 0;
|
2007-03-22 10:30:00 -07:00
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} else {
|
2007-05-10 12:58:09 -07:00
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mFloatingRefs = 1;
|
2011-02-07 10:52:40 -08:00
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#ifdef MOZ_TREE_CAIRO
|
2011-01-02 17:48:08 -08:00
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|
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if (cairo_surface_get_content(surface) != CAIRO_CONTENT_COLOR) {
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cairo_surface_set_subpixel_antialiasing(surface, CAIRO_SUBPIXEL_ANTIALIASING_DISABLED);
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}
|
2011-02-07 10:52:40 -08:00
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#endif
|
2007-03-22 10:30:00 -07:00
|
|
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}
|
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|
|
}
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gfxASurface::gfxSurfaceType
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gfxASurface::GetType() const
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{
|
2007-08-09 11:54:17 -07:00
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|
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if (!mSurfaceValid)
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return (gfxSurfaceType)-1;
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|
2007-03-22 10:30:00 -07:00
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return (gfxSurfaceType)cairo_surface_get_type(mSurface);
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}
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|
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gfxASurface::gfxContentType
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|
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gfxASurface::GetContentType() const
|
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|
|
{
|
2007-08-09 11:54:17 -07:00
|
|
|
if (!mSurfaceValid)
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|
|
return (gfxContentType)-1;
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|
2007-03-22 10:30:00 -07:00
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|
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return (gfxContentType)cairo_surface_get_content(mSurface);
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|
|
}
|
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|
|
void
|
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|
|
gfxASurface::SetDeviceOffset(const gfxPoint& offset)
|
|
|
|
{
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|
|
cairo_surface_set_device_offset(mSurface,
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|
|
offset.x, offset.y);
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|
|
|
}
|
|
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|
|
gfxPoint
|
|
|
|
gfxASurface::GetDeviceOffset() const
|
|
|
|
{
|
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|
|
gfxPoint pt;
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|
|
cairo_surface_get_device_offset(mSurface, &pt.x, &pt.y);
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|
|
return pt;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2010-08-08 19:19:17 -07:00
|
|
|
gfxASurface::Flush() const
|
2007-03-22 10:30:00 -07:00
|
|
|
{
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|
|
|
cairo_surface_flush(mSurface);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
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|
|
|
gfxASurface::MarkDirty()
|
|
|
|
{
|
|
|
|
cairo_surface_mark_dirty(mSurface);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
gfxASurface::MarkDirty(const gfxRect& r)
|
|
|
|
{
|
|
|
|
cairo_surface_mark_dirty_rectangle(mSurface,
|
2011-04-18 20:07:21 -07:00
|
|
|
(int) r.X(), (int) r.Y(),
|
|
|
|
(int) r.Width(), (int) r.Height());
|
2007-03-22 10:30:00 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
void
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|
|
|
gfxASurface::SetData(const cairo_user_data_key_t *key,
|
|
|
|
void *user_data,
|
|
|
|
thebes_destroy_func_t destroy)
|
|
|
|
{
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|
|
|
cairo_surface_set_user_data(mSurface, key, user_data, destroy);
|
|
|
|
}
|
|
|
|
|
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|
|
void *
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|
|
gfxASurface::GetData(const cairo_user_data_key_t *key)
|
|
|
|
{
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|
|
return cairo_surface_get_user_data(mSurface, key);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
gfxASurface::Finish()
|
|
|
|
{
|
|
|
|
cairo_surface_finish(mSurface);
|
|
|
|
}
|
2007-05-10 12:58:09 -07:00
|
|
|
|
2010-05-31 16:37:44 -07:00
|
|
|
already_AddRefed<gfxASurface>
|
|
|
|
gfxASurface::CreateSimilarSurface(gfxContentType aContent,
|
|
|
|
const gfxIntSize& aSize)
|
|
|
|
{
|
2010-12-16 00:07:20 -08:00
|
|
|
if (!mSurface || !mSurfaceValid) {
|
|
|
|
return nsnull;
|
|
|
|
}
|
|
|
|
|
2010-05-31 16:37:44 -07:00
|
|
|
cairo_surface_t *surface =
|
|
|
|
cairo_surface_create_similar(mSurface, cairo_content_t(aContent),
|
|
|
|
aSize.width, aSize.height);
|
|
|
|
if (cairo_surface_status(surface)) {
|
|
|
|
cairo_surface_destroy(surface);
|
|
|
|
return nsnull;
|
|
|
|
}
|
|
|
|
|
2010-06-18 02:21:15 -07:00
|
|
|
nsRefPtr<gfxASurface> result = Wrap(surface);
|
|
|
|
cairo_surface_destroy(surface);
|
|
|
|
return result.forget();
|
2010-05-31 16:37:44 -07:00
|
|
|
}
|
|
|
|
|
2007-05-10 12:58:09 -07:00
|
|
|
int
|
2007-05-10 13:50:16 -07:00
|
|
|
gfxASurface::CairoStatus()
|
2007-05-10 12:58:09 -07:00
|
|
|
{
|
|
|
|
if (!mSurfaceValid)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
return cairo_surface_status(mSurface);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* static */
|
|
|
|
PRBool
|
|
|
|
gfxASurface::CheckSurfaceSize(const gfxIntSize& sz, PRInt32 limit)
|
|
|
|
{
|
2007-05-15 13:27:10 -07:00
|
|
|
if (sz.width < 0 || sz.height < 0) {
|
2007-07-03 02:16:50 -07:00
|
|
|
NS_WARNING("Surface width or height < 0!");
|
2007-05-10 12:58:09 -07:00
|
|
|
return PR_FALSE;
|
2007-05-15 13:27:10 -07:00
|
|
|
}
|
2007-05-10 12:58:09 -07:00
|
|
|
|
2011-04-12 12:22:45 -07:00
|
|
|
// reject images with sides bigger than limit
|
|
|
|
if (limit && (sz.width > limit || sz.height > limit)) {
|
|
|
|
NS_WARNING("Surface size too large (exceeds caller's limit)!");
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
2007-10-23 23:01:16 -07:00
|
|
|
#if defined(XP_MACOSX)
|
2011-04-12 12:22:45 -07:00
|
|
|
// CoreGraphics is limited to images < 32K in *height*,
|
|
|
|
// so clamp all surfaces on the Mac to that height
|
2007-10-23 23:01:16 -07:00
|
|
|
if (sz.height > SHRT_MAX) {
|
2011-04-12 12:22:45 -07:00
|
|
|
NS_WARNING("Surface size too large (exceeds CoreGraphics limit)!");
|
2007-10-23 23:01:16 -07:00
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2011-04-12 12:22:45 -07:00
|
|
|
// make sure the surface area doesn't overflow a PRInt32
|
|
|
|
CheckedInt<PRInt32> tmp = sz.width;
|
|
|
|
tmp *= sz.height;
|
|
|
|
if (!tmp.valid()) {
|
2007-07-03 02:16:50 -07:00
|
|
|
NS_WARNING("Surface size too large (would overflow)!");
|
2007-05-10 12:58:09 -07:00
|
|
|
return PR_FALSE;
|
2007-05-15 13:27:10 -07:00
|
|
|
}
|
2007-05-10 12:58:09 -07:00
|
|
|
|
2011-04-12 12:22:45 -07:00
|
|
|
// assuming 4-byte stride, make sure the allocation size
|
|
|
|
// doesn't overflow a PRInt32 either
|
|
|
|
tmp *= 4;
|
|
|
|
if (!tmp.valid()) {
|
|
|
|
NS_WARNING("Allocation too large (would overflow)!");
|
2007-05-10 12:58:09 -07:00
|
|
|
return PR_FALSE;
|
2007-05-15 13:27:10 -07:00
|
|
|
}
|
2007-05-10 12:58:09 -07:00
|
|
|
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
2007-09-25 13:46:08 -07:00
|
|
|
|
2011-03-15 15:01:00 -07:00
|
|
|
/* static */
|
|
|
|
PRInt32
|
|
|
|
gfxASurface::FormatStrideForWidth(gfxImageFormat format, PRInt32 width)
|
|
|
|
{
|
|
|
|
return cairo_format_stride_for_width((cairo_format_t)format, (int)width);
|
|
|
|
}
|
|
|
|
|
2007-09-25 13:46:08 -07:00
|
|
|
nsresult
|
|
|
|
gfxASurface::BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName)
|
|
|
|
{
|
2008-03-28 00:13:37 -07:00
|
|
|
return NS_OK;
|
2007-09-25 13:46:08 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
gfxASurface::EndPrinting()
|
|
|
|
{
|
2008-03-28 00:13:37 -07:00
|
|
|
return NS_OK;
|
2007-09-25 13:46:08 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
gfxASurface::AbortPrinting()
|
|
|
|
{
|
2008-03-28 00:13:37 -07:00
|
|
|
return NS_OK;
|
2007-09-25 13:46:08 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
gfxASurface::BeginPage()
|
|
|
|
{
|
2008-03-28 00:13:37 -07:00
|
|
|
return NS_OK;
|
2007-09-25 13:46:08 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
gfxASurface::EndPage()
|
|
|
|
{
|
2008-03-28 00:13:37 -07:00
|
|
|
return NS_OK;
|
2007-09-25 13:46:08 -07:00
|
|
|
}
|
2008-04-28 18:15:30 -07:00
|
|
|
|
|
|
|
gfxASurface::gfxContentType
|
|
|
|
gfxASurface::ContentFromFormat(gfxImageFormat format)
|
|
|
|
{
|
|
|
|
switch (format) {
|
|
|
|
case ImageFormatARGB32:
|
|
|
|
return CONTENT_COLOR_ALPHA;
|
|
|
|
case ImageFormatRGB24:
|
2010-06-11 02:33:22 -07:00
|
|
|
case ImageFormatRGB16_565:
|
2008-04-28 18:15:30 -07:00
|
|
|
return CONTENT_COLOR;
|
|
|
|
case ImageFormatA8:
|
|
|
|
case ImageFormatA1:
|
|
|
|
return CONTENT_ALPHA;
|
|
|
|
|
|
|
|
case ImageFormatUnknown:
|
|
|
|
default:
|
|
|
|
return CONTENT_COLOR;
|
|
|
|
}
|
|
|
|
}
|
2010-05-21 21:10:14 -07:00
|
|
|
|
2010-09-16 14:34:53 -07:00
|
|
|
gfxASurface::gfxImageFormat
|
|
|
|
gfxASurface::FormatFromContent(gfxASurface::gfxContentType type)
|
|
|
|
{
|
|
|
|
switch (type) {
|
|
|
|
case CONTENT_COLOR_ALPHA:
|
|
|
|
return ImageFormatARGB32;
|
|
|
|
case CONTENT_ALPHA:
|
|
|
|
return ImageFormatA8;
|
|
|
|
case CONTENT_COLOR:
|
|
|
|
default:
|
|
|
|
return ImageFormatRGB24;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-01-02 17:48:08 -08:00
|
|
|
void
|
|
|
|
gfxASurface::SetSubpixelAntialiasingEnabled(PRBool aEnabled)
|
|
|
|
{
|
2011-02-07 10:52:40 -08:00
|
|
|
#ifdef MOZ_TREE_CAIRO
|
2011-01-02 17:48:08 -08:00
|
|
|
if (!mSurfaceValid)
|
|
|
|
return;
|
|
|
|
cairo_surface_set_subpixel_antialiasing(mSurface,
|
|
|
|
aEnabled ? CAIRO_SUBPIXEL_ANTIALIASING_ENABLED : CAIRO_SUBPIXEL_ANTIALIASING_DISABLED);
|
2011-02-07 10:52:40 -08:00
|
|
|
#endif
|
2011-01-02 17:48:08 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
PRBool
|
|
|
|
gfxASurface::GetSubpixelAntialiasingEnabled()
|
|
|
|
{
|
|
|
|
if (!mSurfaceValid)
|
|
|
|
return PR_FALSE;
|
2011-02-07 10:52:40 -08:00
|
|
|
#ifdef MOZ_TREE_CAIRO
|
2011-01-02 17:48:08 -08:00
|
|
|
return cairo_surface_get_subpixel_antialiasing(mSurface) == CAIRO_SUBPIXEL_ANTIALIASING_ENABLED;
|
2011-02-07 10:52:40 -08:00
|
|
|
#else
|
|
|
|
return PR_TRUE;
|
|
|
|
#endif
|
2011-01-02 17:48:08 -08:00
|
|
|
}
|
|
|
|
|
2010-06-11 02:33:22 -07:00
|
|
|
PRInt32
|
|
|
|
gfxASurface::BytePerPixelFromFormat(gfxImageFormat format)
|
|
|
|
{
|
|
|
|
switch (format) {
|
|
|
|
case ImageFormatARGB32:
|
|
|
|
case ImageFormatRGB24:
|
|
|
|
return 4;
|
|
|
|
case ImageFormatRGB16_565:
|
|
|
|
return 2;
|
|
|
|
case ImageFormatA8:
|
|
|
|
return 1;
|
|
|
|
default:
|
|
|
|
NS_WARNING("Unknown byte per pixel value for Image format");
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-03-09 09:27:37 -08:00
|
|
|
void
|
2011-05-07 18:19:11 -07:00
|
|
|
gfxASurface::FastMovePixels(const nsIntRect& aSourceRect,
|
|
|
|
const nsIntPoint& aDestTopLeft)
|
2011-03-09 09:27:37 -08:00
|
|
|
{
|
2011-05-07 18:19:11 -07:00
|
|
|
// Used when the backend can internally handle self copies.
|
2011-03-09 09:27:37 -08:00
|
|
|
gfxIntSize size = GetSize();
|
|
|
|
nsIntRect dest(aDestTopLeft, aSourceRect.Size());
|
2011-05-07 18:19:11 -07:00
|
|
|
|
2011-03-09 09:27:37 -08:00
|
|
|
nsRefPtr<gfxContext> ctx = new gfxContext(this);
|
|
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
|
|
nsIntPoint srcOrigin = dest.TopLeft() - aSourceRect.TopLeft();
|
|
|
|
ctx->SetSource(this, gfxPoint(srcOrigin.x, srcOrigin.y));
|
|
|
|
ctx->Rectangle(gfxRect(dest.x, dest.y, dest.width, dest.height));
|
|
|
|
ctx->Fill();
|
|
|
|
}
|
|
|
|
|
2011-05-07 18:19:11 -07:00
|
|
|
void
|
|
|
|
gfxASurface::MovePixels(const nsIntRect& aSourceRect,
|
|
|
|
const nsIntPoint& aDestTopLeft)
|
|
|
|
{
|
|
|
|
// Assume the backend can't handle self copying well and allocate
|
|
|
|
// a temporary surface instead.
|
|
|
|
nsRefPtr<gfxASurface> tmp =
|
|
|
|
CreateSimilarSurface(GetContentType(),
|
|
|
|
gfxIntSize(aSourceRect.width, aSourceRect.height));
|
|
|
|
nsRefPtr<gfxContext> ctx = new gfxContext(tmp);
|
|
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
|
|
ctx->SetSource(this, gfxPoint(-aSourceRect.x, -aSourceRect.y));
|
|
|
|
ctx->Paint();
|
|
|
|
|
|
|
|
ctx = new gfxContext(this);
|
|
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
|
|
ctx->SetSource(tmp, gfxPoint(aDestTopLeft.x, aDestTopLeft.y));
|
|
|
|
ctx->Rectangle(gfxRect(aDestTopLeft.x,
|
|
|
|
aDestTopLeft.y,
|
|
|
|
aSourceRect.width,
|
|
|
|
aSourceRect.height));
|
|
|
|
ctx->Fill();
|
|
|
|
}
|
|
|
|
|
2010-05-21 21:10:14 -07:00
|
|
|
/** Memory reporting **/
|
|
|
|
|
|
|
|
static const char *sSurfaceNamesForSurfaceType[] = {
|
2011-06-06 19:17:01 -07:00
|
|
|
"gfx-surface-image",
|
|
|
|
"gfx-surface-pdf",
|
|
|
|
"gfx-surface-ps",
|
|
|
|
"gfx-surface-xlib",
|
|
|
|
"gfx-surface-xcb",
|
|
|
|
"gfx-surface-glitz",
|
|
|
|
"gfx-surface-quartz",
|
|
|
|
"gfx-surface-win32",
|
|
|
|
"gfx-surface-beos",
|
|
|
|
"gfx-surface-directfb",
|
|
|
|
"gfx-surface-svg",
|
|
|
|
"gfx-surface-os2",
|
|
|
|
"gfx-surface-win32printing",
|
|
|
|
"gfx-surface-quartzimage",
|
|
|
|
"gfx-surface-script",
|
|
|
|
"gfx-surface-qpainter",
|
|
|
|
"gfx-surface-recording",
|
|
|
|
"gfx-surface-vg",
|
|
|
|
"gfx-surface-gl",
|
|
|
|
"gfx-surface-drm",
|
|
|
|
"gfx-surface-tee",
|
|
|
|
"gfx-surface-xml",
|
|
|
|
"gfx-surface-skia",
|
|
|
|
"gfx-surface-subsurface",
|
|
|
|
"gfx-surface-d2d"
|
2010-05-21 21:10:14 -07:00
|
|
|
};
|
|
|
|
|
|
|
|
PR_STATIC_ASSERT(NS_ARRAY_LENGTH(sSurfaceNamesForSurfaceType) == gfxASurface::SurfaceTypeMax);
|
2010-09-09 00:50:18 -07:00
|
|
|
#ifdef CAIRO_HAS_D2D_SURFACE
|
2010-12-05 10:38:12 -08:00
|
|
|
PR_STATIC_ASSERT(PRUint32(CAIRO_SURFACE_TYPE_D2D) == PRUint32(gfxASurface::SurfaceTypeD2D));
|
2010-09-09 00:50:18 -07:00
|
|
|
#endif
|
2010-12-05 10:38:12 -08:00
|
|
|
PR_STATIC_ASSERT(PRUint32(CAIRO_SURFACE_TYPE_SKIA) == PRUint32(gfxASurface::SurfaceTypeSkia));
|
2010-05-21 21:10:14 -07:00
|
|
|
|
|
|
|
static const char *
|
|
|
|
SurfaceMemoryReporterPathForType(gfxASurface::gfxSurfaceType aType)
|
|
|
|
{
|
|
|
|
if (aType < 0 ||
|
|
|
|
aType >= gfxASurface::SurfaceTypeMax)
|
2011-06-06 19:17:01 -07:00
|
|
|
return "gfx-surface-unknown";
|
2010-05-21 21:10:14 -07:00
|
|
|
|
|
|
|
return sSurfaceNamesForSurfaceType[aType];
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Surface size memory reporting */
|
|
|
|
static nsIMemoryReporter *gSurfaceMemoryReporters[gfxASurface::SurfaceTypeMax] = { 0 };
|
|
|
|
static PRInt64 gSurfaceMemoryUsed[gfxASurface::SurfaceTypeMax] = { 0 };
|
|
|
|
|
|
|
|
class SurfaceMemoryReporter :
|
|
|
|
public nsIMemoryReporter
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
SurfaceMemoryReporter(gfxASurface::gfxSurfaceType aType)
|
|
|
|
: mType(aType)
|
|
|
|
{ }
|
|
|
|
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
|
2011-06-05 18:22:45 -07:00
|
|
|
NS_IMETHOD GetProcess(char **process) {
|
|
|
|
*process = strdup("");
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2010-05-21 21:10:14 -07:00
|
|
|
NS_IMETHOD GetPath(char **memoryPath) {
|
|
|
|
*memoryPath = strdup(SurfaceMemoryReporterPathForType(mType));
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2011-05-22 19:49:56 -07:00
|
|
|
NS_IMETHOD GetKind(PRInt32 *kind) {
|
2011-06-06 19:17:01 -07:00
|
|
|
*kind = MR_OTHER;
|
2011-05-22 19:49:56 -07:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2010-05-21 21:10:14 -07:00
|
|
|
NS_IMETHOD GetDescription(char **desc) {
|
2011-05-22 19:49:56 -07:00
|
|
|
*desc = strdup("Memory used by gfx surface of the given type.");
|
2010-05-21 21:10:14 -07:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHOD GetMemoryUsed(PRInt64 *memoryUsed) {
|
|
|
|
*memoryUsed = gSurfaceMemoryUsed[mType];
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
gfxASurface::gfxSurfaceType mType;
|
|
|
|
};
|
|
|
|
|
|
|
|
NS_IMPL_ISUPPORTS1(SurfaceMemoryReporter, nsIMemoryReporter)
|
|
|
|
|
|
|
|
void
|
|
|
|
gfxASurface::RecordMemoryUsedForSurfaceType(gfxASurface::gfxSurfaceType aType,
|
|
|
|
PRInt32 aBytes)
|
|
|
|
{
|
|
|
|
if (aType < 0 || aType >= SurfaceTypeMax) {
|
|
|
|
NS_WARNING("Invalid type to RecordMemoryUsedForSurfaceType!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (gSurfaceMemoryReporters[aType] == 0) {
|
|
|
|
gSurfaceMemoryReporters[aType] = new SurfaceMemoryReporter(aType);
|
|
|
|
NS_RegisterMemoryReporter(gSurfaceMemoryReporters[aType]);
|
|
|
|
}
|
|
|
|
|
|
|
|
gSurfaceMemoryUsed[aType] += aBytes;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
gfxASurface::RecordMemoryUsed(PRInt32 aBytes)
|
|
|
|
{
|
|
|
|
RecordMemoryUsedForSurfaceType(GetType(), aBytes);
|
|
|
|
mBytesRecorded += aBytes;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
gfxASurface::RecordMemoryFreed()
|
|
|
|
{
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|
|
|
if (mBytesRecorded) {
|
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|
|
RecordMemoryUsedForSurfaceType(GetType(), -mBytesRecorded);
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|
|
mBytesRecorded = 0;
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|
}
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|
}
|
2011-03-24 15:04:46 -07:00
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|
|
void
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|
|
|
gfxASurface::DumpAsDataURL()
|
|
|
|
{
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|
|
|
gfxIntSize size = GetSize();
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|
|
if (size.width == -1 && size.height == -1) {
|
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|
|
printf("Could not determine surface size\n");
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|
|
return;
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|
|
}
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|
|
nsAutoArrayPtr<PRUint8> imageBuffer(new (std::nothrow) PRUint8[size.width *
|
|
|
|
size.height *
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|
|
4]);
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|
|
if (!imageBuffer) {
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|
|
printf("Could not allocate image buffer\n");
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|
|
|
return;
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|
|
|
}
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|
|
|
|
|
|
nsRefPtr<gfxImageSurface> imgsurf =
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|
|
new gfxImageSurface(imageBuffer.get(),
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|
|
gfxIntSize(size.width, size.height),
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|
|
size.width * 4,
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|
|
|
gfxASurface::ImageFormatARGB32);
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|
|
if (!imgsurf || imgsurf->CairoStatus()) {
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|
|
|
printf("Could not allocate image surface\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsRefPtr<gfxContext> ctx = new gfxContext(imgsurf);
|
|
|
|
if (!ctx || ctx->HasError()) {
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|
|
|
printf("Could not allocate image context\n");
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|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
|
|
ctx->SetSource(this, gfxPoint(0, 0));
|
|
|
|
ctx->Paint();
|
|
|
|
|
|
|
|
nsCOMPtr<imgIEncoder> encoder =
|
|
|
|
do_CreateInstance("@mozilla.org/image/encoder;2?type=image/png");
|
|
|
|
if (!encoder) {
|
|
|
|
PRInt32 w = NS_MIN(size.width, 8);
|
|
|
|
PRInt32 h = NS_MIN(size.height, 8);
|
|
|
|
printf("Could not create encoder. Printing %dx%d pixels.\n", w, h);
|
|
|
|
for (PRInt32 y = 0; y < h; ++y) {
|
|
|
|
for (PRInt32 x = 0; x < w; ++x) {
|
|
|
|
printf("%x ", reinterpret_cast<PRUint32*>(imageBuffer.get())[y*size.width + x]);
|
|
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult rv = encoder->InitFromData(imageBuffer.get(),
|
|
|
|
size.width * size.height * 4,
|
|
|
|
size.width,
|
|
|
|
size.height,
|
|
|
|
size.width * 4,
|
|
|
|
imgIEncoder::INPUT_FORMAT_HOSTARGB,
|
|
|
|
NS_LITERAL_STRING(""));
|
|
|
|
if (NS_FAILED(rv))
|
|
|
|
return;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIInputStream> imgStream;
|
|
|
|
CallQueryInterface(encoder.get(), getter_AddRefs(imgStream));
|
|
|
|
if (!imgStream)
|
|
|
|
return;
|
|
|
|
|
|
|
|
PRUint32 bufSize;
|
|
|
|
rv = imgStream->Available(&bufSize);
|
|
|
|
if (NS_FAILED(rv))
|
|
|
|
return;
|
|
|
|
|
|
|
|
// ...leave a little extra room so we can call read again and make sure we
|
|
|
|
// got everything. 16 bytes for better padding (maybe)
|
|
|
|
bufSize += 16;
|
|
|
|
PRUint32 imgSize = 0;
|
|
|
|
char* imgData = (char*)PR_Malloc(bufSize);
|
|
|
|
if (!imgData)
|
|
|
|
return;
|
|
|
|
PRUint32 numReadThisTime = 0;
|
|
|
|
while ((rv = imgStream->Read(&imgData[imgSize],
|
|
|
|
bufSize - imgSize,
|
|
|
|
&numReadThisTime)) == NS_OK && numReadThisTime > 0)
|
|
|
|
{
|
|
|
|
imgSize += numReadThisTime;
|
|
|
|
if (imgSize == bufSize) {
|
|
|
|
// need a bigger buffer, just double
|
|
|
|
bufSize *= 2;
|
|
|
|
char* newImgData = (char*)PR_Realloc(imgData, bufSize);
|
|
|
|
if (!newImgData) {
|
|
|
|
PR_Free(imgData);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
imgData = newImgData;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// base 64, result will be NULL terminated
|
|
|
|
char* encodedImg = PL_Base64Encode(imgData, imgSize, nsnull);
|
|
|
|
PR_Free(imgData);
|
|
|
|
if (!encodedImg) // not sure why this would fail
|
|
|
|
return;
|
|
|
|
|
|
|
|
printf("data:image/png;base64,");
|
|
|
|
printf("%s", encodedImg);
|
|
|
|
printf("\n");
|
|
|
|
PR_Free(encodedImg);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|