RetroZilla/gfx/thebes/public/gfxASurface.h

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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 Oracle Corporation code.
*
* The Initial Developer of the Original Code is Oracle Corporation.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Stuart Parmenter <pavlov@pavlov.net>
*
* 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 ***** */
#ifndef GFX_ASURFACE_H
#define GFX_ASURFACE_H
#include <cairo.h>
#include "gfxTypes.h"
class gfxASurface {
THEBES_DECL_REFCOUNTING_ABSTRACT
public:
/*** this DOES NOT addref the surface */
cairo_surface_t* CairoSurface() { return mSurface; }
protected:
void Init(cairo_surface_t* surface) {
mDestroyed = PR_FALSE;
mSurface = surface;
}
void Destroy() {
if (mDestroyed) {
NS_WARNING("Calling Destroy on an already-destroyed surface!");
return;
}
cairo_surface_destroy(mSurface);
mDestroyed = PR_TRUE;
}
PRBool Destroyed() {
return mDestroyed;
}
virtual ~gfxASurface() {
if (!mDestroyed) {
NS_WARNING("gfxASurface::~gfxASurface called, but cairo surface was not destroyed! (Did someone forget to call Destroy()?)");
}
}
private:
cairo_surface_t* mSurface;
PRBool mDestroyed;
};
#endif /* GFX_ASURFACE_H */