gfx/src/thebes/nsThebesRegion.h
author Andrew Sutherland <bugmail@asutherland.org>
Wed, 29 Oct 2008 04:53:19 +0100
changeset 21035 ed7f8c9bd8194701e9fe8db8c3bb337204c1d40a
parent 1 9b2a99adc05e53cd4010de512f50118594756650
child 43136 f2991bf41c20d8d20115d85506828cb0c727078d
permissions -rw-r--r--
Bug 460635 - There should be one async execution thread per mozStorageConnection connection; v1.2; r=(bugmail + sdwilsh)

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Stuart Parmenter <pavlov@pavlov.net>
 *   Vladimir Vukicevic <vladimir@pobox.com>
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#ifndef NSTHEBESREGION__H__
#define NSTHEBESREGION__H__

#include "nsIRegion.h"
#include "nsRegion.h"

class nsThebesRegion : public nsIRegion
{
public:
    nsThebesRegion();

    NS_DECL_ISUPPORTS

    // nsIRegion
    nsresult Init (void);
    void SetTo (const nsIRegion &aRegion);
    void SetTo (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
    void Intersect (const nsIRegion &aRegion);
    void Intersect (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
    void Union (const nsIRegion &aRegion);
    void Union (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
    void Subtract (const nsIRegion &aRegion);
    void Subtract (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
    PRBool IsEmpty (void);
    PRBool IsEqual (const nsIRegion &aRegion);
    void GetBoundingBox (PRInt32 *aX, PRInt32 *aY, PRInt32 *aWidth, PRInt32 *aHeight);
    void Offset (PRInt32 aXOffset, PRInt32 aYOffset);
    PRBool ContainsRect (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
    NS_IMETHOD GetRects (nsRegionRectSet **aRects);
    NS_IMETHOD FreeRects (nsRegionRectSet *aRects);
    NS_IMETHOD GetNativeRegion (void *&aRegion) const;
    NS_IMETHOD GetRegionComplexity (nsRegionComplexity &aComplexity) const;
    NS_IMETHOD GetNumRects (PRUint32 *aRects) const;

protected:
    nsRegion mRegion;
};

#endif